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Table of Contents

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TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.2. Before Repair and Adjustment ------------------------- 4
1.3. Protection Circuitry ---------------------------------------- 4
1.4. Caution For AC Cord (For E) --------------------------- 5
1.5. Safety Parts Information -------------------------------- 6
2 Warning -------------------------------------------------------------- 7
(PbF)---------------------------------------------------------- 8
3 Service Navigation ----------------------------------------------- 9
PAGE
electrostatic
breakdown
Wireless Speaker System
SC-UA7E
Model No.
SC-UA7PC
SC-UA7PH
SC-UA7PR
Product Color: (K)...Black Type
3.1. Service Information ----------------------------------------9
3.2. Software Update Procedure-----------------------------9
4 Specifications ---------------------------------------------------- 10
PH/PR)------------------------------------------------------ 11
PC)----------------------------------------------------------- 12
5.3. Main Unit Key Button Operation---------------------- 13
6 Service Mode ----------------------------------------------------- 14
6.1. Self Diagnostic Mode ----------------------------------- 14
6.2. Doctor Mode----------------------------------------------- 15
7 Troubleshooting Guide --------------------------------------- 18
© Panasonic Corporation 2016. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
PSG1606004CE
A6
PAGE

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Summary of Contents for Panasonic SC-UA7E

  • Page 1: Table Of Contents

    6.2. Doctor Mode----------------------------------------------- 15 prevention --------------------------------------------------- 8 6.3. Self-Diagnostic Error Code Table -------------------- 17 3 Service Navigation ----------------------------------------------- 9 7 Troubleshooting Guide --------------------------------------- 18 © Panasonic Corporation 2016. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 7.1. No Power or No Display ------------------------------- 18 12.22. AC Inlet and SMPS Circuit (1/2) --------------------- 65 7.2. Bluetooth® Pairing Failure----------------------------- 18 12.23. SMPS Circuit (2/2)--------------------------------------- 66 7.3. No Key Function (Touch Panel) ---------------------- 18 13 Printed Circuit Board------------------------------------------ 67 7.4.
  • Page 3: Safety Precautions

    1 Safety Precautions 1.1. General Guidelines 1. IMPORTANT SAFETY NOTICE There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams, Circuit Board Layout, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent X-RADIATION, shock, fire, or other hazards.
  • Page 4: Before Repair And Adjustment

    1.2. Before Repair and Adjustment Disconnect AC power to discharge AC capacitor (in SMPS P.C.B.) as indicate below diagram through a 10 , 10 W resistor to ground. Figure 1-2 Caution: DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid overcurrent.
  • Page 5: Caution For Ac Cord (For E)

    1.4. Caution For AC Cord (For E) Figure 1-3...
  • Page 6: Safety Parts Information

    1.5. Safety Parts Information Safety Parts List: There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams, Exploded View & Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards.
  • Page 7: Warning

    2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi- tive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. The following techniques should be used to help reduce the incidence of component damage caused by electrostatic discharge (ESD).
  • Page 8: General Description About Lead Free Solder (Pbf)

    2.2. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation. The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy mainly consists of tin (Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30 degrees C (86F) more than that of the normal solder.
  • Page 9: Service Navigation

    3 Service Navigation 3.1. Service Information This service manual contains technical information which will allow service personnel’s to understand and service this model. Please place orders using the parts list and not the drawing reference numbers. If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service manual.
  • Page 10: Specifications

    4 Specifications General Power supply Amplifier section AC 220 V to 240 V, 50 Hz (for E) RMS output power stereo mode AC 120 V, 60 Hz (for PC) Front (Left/Right Ch) AC 110 to 127/220 to 240 V, 50/60 Hz (for PH) 375 W per channel (3 Ω), 1 kHz, 30% THD AC 220 to 240 V, 50/60 Hz (for PR) Subwoofer Ch (2 Ch)
  • Page 11: Location Of Controls And Components

    5 Location of Controls and Components 5.1. Remote Control Key Button Operation (For E/PH/PR)
  • Page 12: Remote Control Key Button Operation (For Pc)

    5.2. Remote Control Key Button Operation (For PC)
  • Page 13: Main Unit Key Button Operation

    5.3. Main Unit Key Button Operation...
  • Page 14: Service Mode

    6 Service Mode 6.1. Self Diagnostic Mode Step 1 : Select [ ] and [>] on main set for 2 seconds. Step 2 : When [SERVICE? ] appear, press [SELECT] on main set to confirm. Step 1 : In service mode, Press [OK] on main unit for more than 5 seconds.
  • Page 15: Doctor Mode

    6.2. Doctor Mode Note: To enter the Doctor Mode, please use SC-UA7 remote control. (Part No : N2QAYB001082) 6.2.1. Doctor Mode Table 1 Item Key Operation FL Display Mode Name Description Front Key Doctor Mode FM, USB or Bluetooth Mode: To enter into Doctor Mode for (Display 1) 1.
  • Page 16 6.2.2. Doctor Mode Table 2 Item Key Operation FL Display Mode Name Description Front Key Bluetooth mac Bluetooth Address Check In Doctor Mode: Address Checking 1. Press [10] [1] and display will show. 2. To cancel this mode press Display of BlueTooth MAC Address will scroll [POWER, /I] button on forever Main Unit...
  • Page 17: Self-Diagnostic Error Code Table

    6.3. Self-Diagnostic Error Code Table Self-Diagnostic Function (Refer Section 6.4. Self-Diagnostic Mode) provides information on any problems occurring for the unit and its respective components by displaying the error codes. These error code such as U**, H** and F** are stored in memory and held unless it is cleared.
  • Page 18: Troubleshooting Guide

    7 Troubleshooting Guide 7.1. No Power or No Display Caution: Press the Power Button Check Secondary Diode (D1601) Check Primary E-Cap (C1403) No Display on 1. AC Cord Plug-out of Unit or Remote Control Measured +5 Measured 200V or more FL Panel 2.
  • Page 19: No Nfc

    7.5. No NFC Press [ SELECTOR and choose Check and Do Setting of NFC. Press the Power Button No Problem Set ON when Tap the Set will Display BLUETOOTH] OFF the Set and Tap the Phone of Unit or Remote Control Found Phone on NFC Logo "BLUETOOTH"...
  • Page 20: No Output Sound

    7.8. No Output Sound D-IN Play [Optical In] Press the Power Button Press Play No Problem Output Sound of Unit or Remote Control D-IN Mode FL Display " D-IN" Found to Turn ON the Unit Change input source to USB Change Main PCB Change DAMP PCB USB Play...
  • Page 21: Check Point

    7.9. Check Point 7.9.1. SMPS P.C.B. F1501 Q1501 D1601 IC1402 C1706 F1401 C1403 D1001 F1001 C1224 D1506 Q1502 Q1103 D1402...
  • Page 22 7.9.2. Main P.C.B. IC2108 IC2107 IC2104 7.9.3. DAMP P.C.B. IC2101 C2155+...
  • Page 23: Disassembly And Assembly Instructions

    8 Disassembly and Assembly Instructions • This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main compo- nents for the unit. (You may refer to the section of “Main components and P.C.B Locations” as described in this service manual) •...
  • Page 24: Disassembly Flow Chart

    8.2. Disassembly Flow Chart Rear Panel Top Panel Unit Left & Right Side Panel Panel Block Assembly Upper Front Panel Touch Sensor P.C.B. Assembly Assembly USB P.C.B. Top Speaker Block Speaker Units Mic P.C.B. Panel/IR Sensor P.C.B. Lighting P.C.B. NFC P.C.B. Main P.C.B.
  • Page 25: Main Components And P.c.b. Locations

    8.3. Main Components and P.C.B. Locations...
  • Page 26: Disassembly Of Rear Panel

    8.4. Disassembly of Rear Panel 8.5. Disassembly of Top Panel Unit Step 1 Remove 14 screws. • Refer to “Disassembly of Rear Panel”. Step 1 Lift up Top Panel Unit. Step 2 Slightly lift up Rear Panel. Step 3 Detach 2P Cable at connector (CN2102) on DAMP Step 2 Detach 7P Cable at connector (CN2507) on Main P.C.B..
  • Page 27: Disassembly Of Left & Right Side Panel Assembly

    8.6. Disassembly of Left & Right Step 4 Push upward to remove Right Side Panel Assembly. Side Panel Assembly • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Top Panel Unit”. Step 1 Remove 3 screws at left side. Step 2 Remove 3 screws at right side.
  • Page 28: Disassembly Panel Block

    8.8. Disassembly Panel Block 8.9. Disassembly of Mic P.C.B. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Top Panel Unit”. • Refer to “Disassembly of Top Panel Unit”. • Refer to “Disassembly of Panel Block”. Step 1 Remove 7 screws.
  • Page 29: Disassembly Of Usb P.c.b

    8.11. Disassembly of USB P.C.B. 8.12. Disassembly of NFC P.C.B. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Top Panel Unit”. • Refer to “Disassembly of Top Panel Unit”. •...
  • Page 30: Disassembly Of Touch Sensor P.c.b

    8.13. Disassembly of Touch Sensor 8.14. Disassembly of Main P.C.B. P.C.B. Assembly • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Top Panel Unit”. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Top Panel Unit”. Step 1 Detach 20P FFC at connector (CN2503) on Main P.C.B..
  • Page 31: Disassembly Of Damp P.c.b

    8.15. Disassembly of DAMP P.C.B. Step 4 Detach 4P Cable at connector (CN3501) on DAMP P.C.B.. • Refer to “Disassembly of Rear Panel”. Step 5 Detach 4P Cable at connector (CN3502) on DAMP • Refer to “Disassembly of Top Panel Unit”. P.C.B..
  • Page 32: Disassembly Of Smps/Ac Inlet P.c.b

    8.16. Disassembly of SMPS/AC Inlet Step 5 Remove 2 screws on AC Inlet P.C.B.. Step 6 Remove SMPS/AC Inlet P.C.B.. P.C.B. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Top Panel Unit”. • Refer to “Disassembly of Left & Right Panel”. Step 1 Remove 6 screws.
  • Page 33: Disassembly Of Speaker Units

    8.18. Disassembly of Speaker Units 8.19. Disassembly of Lighting P.C.B. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Rear Panel”. • Refer to “Disassembly of Top Panel Unit”. • Refer to “Disassembly of Top Panel Unit”. •...
  • Page 34: Service Position

    9 Service Position Note: For description of the disassembly procedures, refer Section 8 of the Service Manual. 9.1. Checking of SMPS/AC Inlet, DAMP, Main and Panel/IR Sensor P.C.B. Step 1 Place Main and Panel/IR Sensor P.C.B. on the insulated material. Step 2 Attach 27P FFC at connector (CN2500) on Main P.C.B..
  • Page 35: Block Diagram

    CN6401 D+ A D+ A USB A (PLAY) 3 USB A D+ CN8000* CN2501 BT LDO ON BT HOST WAKE USB P.C.B. TOUCH SENSOR P.C.B. NOTE: “ * ” REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR SYSTEM CONTROL (1/2) BLOCK DIAGRAM...
  • Page 36 FL CLK HOLD#(DQ3) FL DAT3 IR SENSOR P.C.B. IC2001 IR6500 4GB NAND REMOTE SENSOR FLASH MEMORY REM IN CN2500 CN6801 CN6501 CN6500 REM IN +3.3V REM IN DAT1 SD DAT1 DAT3 SD DAT3 DAT3 SC-UA7E/PC/PH/PR SYSTEM CONTROL (2/2) BLOCK DIAGRAM...
  • Page 37: Audio

    DOUT 13 TUN SDO SYSTEM CONTROL TUN INT TUN INT GCGPO2 18 TUN INT TUN RST TUN RST TUN RST TUN LRCK TUN LRCK TUN LRCK DFS 14 TUN BCK TUN BCK DCLK 17 TUN BCK SC-UA7E/PC/PH/PR AUDIO (1/2) BLOCK DIAGRAM...
  • Page 38 TO AUDIO AUDIO OUT LINE OUT BCK BLOCK (1/2) BCKO R-CH OUT R-CH OUT B OUTPUT OUTR 5 B+INPUT XSMT Q2001 MUTING +3.3V FROM QR2002 SYSTEM CONTROL Q2002 ADAC MUTE MUTING ADAC MUTE MUTING CONTROL SC-UA7E/PC/PH/PR AUDIO (2/2) BLOCK DIAGRAM...
  • Page 39: Power Supply

    POWER MODE CN2105 CN2503 CS2 8 SWITCH D1502 FEEDBACK CIRCUIT VB 14 D1503 IC1701 VC2 10 SHUNT REGULATOR D1705 Q1505 IC1501 +35.8V CN1851 CN2103 PW +38V +38V 5,6,7 5,6,7 SWITCHING POWER SUPPLY D1703 PRIMARY SECONDARY SC-UA7E/PC/PH/PR POWER SUPPLY (1/2) BLOCK DIAGRAM...
  • Page 40 USB B SW5R1V USB B SW5R1V CN2505 CN6401 PW USBB 5V USB OVC 3 /OC VOUT USB B PCONT 4 EN USB P.C.B. IC9003 5 VIN USB SWITCH NOTE: “ * ” REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR POWER SUPPLY (2/2) BLOCK DIAGRAM...
  • Page 41: Wiring Connection Diagram

    PANEL P.C.B. CN1851 AC INLET TO FAN UNIT SMPS P.C.B. P.C.B. CN2503 CN2501 CN2504 BLACK CN2500 CN8000 MAIN P.C.B. TOUCH SENSOR P.C.B. CN2506 CN2507 CN2505 CN2502 CN1404 MIC P.C.B. CN800 CN800 CN6401 CN6402 USB P.C.B. LIGHTING P.C.B. SC-UA7E/PC/PH/PR WIRING CONNECTION DIAGRAM...
  • Page 43: Schematic Diagram

    12 Schematic Diagram 12.1. Schematic Diagram Notes (All schematic diagrams may be modified at any time with the development of new technology) • Important safety notice: Components identified by mark have special characteris- tics important for safety. Furthermore, special parts which have purposes of fire-retar- dant (resistors), high quality sound (capacitors), low-noise (resistors), etc are used.
  • Page 45: Main (Aux Tuner) Circuit (1/2)

    VUEALLPT093...E 1000P VUEALLPT087...PC/PH/PR FM ANT R6168 FM RADIO RECEIVER G1CR18JA0020 LB52 VA51 LB51 J0JYC0000118 EZAEG2A50AX 2.2K J0JBC0000032 TUN_LRCK R6163 TUN_SDO DOUT THERMAL RFGND C6217 PW_+3R3V R6169 G1C1R0MA0204 R6170 DGND R6171 I2C_SDA_1 I2C_SCL_1 R6164 DGND1 TUN_RST SC-UA7E/PC/PH/PR MAIN (AUX TUNER) CIRCUIT...
  • Page 46: Main (Aux Tuner) Circuit (2/2)

    DS: MAIN (DSP): SCHEMATIC DIAGRAM - 5 LD: MAIN (LDO): SCHEMATIC DIAGRAM - 6 OP: MAIN (OPTICAL): SCHEMATIC DIAGRAM - 7 MI: MAIN (MICON): SCHEMATIC DIAGRAM - 8 ~ 10 US: MAIN (USB): SCHEMATIC DIAGRAM - 11 SC-UA7E/PC/PH/PR MAIN (AUX TUNER) CIRCUIT...
  • Page 47: Main (Connector) Circuit (1/2)

    OP: MAIN (OPTICAL): SCHEMATIC DIAGRAM - 7 FR+_HI FR+_HI MI: MAIN (MICON): SCHEMATIC DIAGRAM - 8 ~ 10 FL-_LO FL-_LO US: MAIN (USB): SCHEMATIC DIAGRAM - 11 FL+_LO FL+_LO DGND R2554 DGND C2559 0.01 ZJ6002 K4AA01H00010 SC-UA7E/PC/PH/PR MAIN (CONNECTOR) CIRCUIT...
  • Page 48: Main (Connector) Circuit (2/2)

    J0JBC0000015 C2556 C2525 0.01 1000P ZJ6001 K4AA01H00010 C2568 C2567 CN2502 LB2500 J0JYC0000656 PW_+5R6V PW_+5R6V J0JYC0000656 LB2501 PWM_X0 LIGHTING P.C.B. QR2500 R2513 PW_+5R6V B1GBCFGN0018 PWM_X0 PWM_X0 INVERTER LB2502 R2514 J0JYC0000656 C2512 C2513 C2514 QR2501 B1GBCFGN0016 INVERTER SC-UA7E/PC/PH/PR MAIN (CONNECTOR) CIRCUIT ILLUMINATION_GND...
  • Page 49: Main (Dsp) Circuit

    CO: MAIN (CONNECTOR): SCHEMATIC DIAGRAM - 3 ~ 4 LD: MAIN (LDO): SCHEMATIC DIAGRAM - 6 OP: MAIN (OPTICAL): SCHEMATIC DIAGRAM - 7 MI: MAIN (MICON): SCHEMATIC DIAGRAM - 8 ~ 10 LINE_OUT_SDO US: MAIN (USB): SCHEMATIC DIAGRAM - 11 LINE_OUT_LRCK LINE_OUT_BCK SC-UA7E/PC/PH/PR MAIN (DSP) CIRCUIT...
  • Page 50: Main (Ldo) Circuit

    PW_STDBY_5V OP: MAIN (OPTICAL): SCHEMATIC DIAGRAM - 7 R2301 MI: MAIN (MICON): SCHEMATIC DIAGRAM - 8 ~ 10 4.7K US: MAIN (USB): SCHEMATIC DIAGRAM - 11 R2302 R2300 4.7K QR2102 PCONT2 B1GBCFJJ0040 +5V STANDBY R2306 2.2K SC-UA7E/PC/PH/PR MAIN (LDO) CIRCUIT...
  • Page 51: Main (Optical) Circuit

    CO: MAIN (CONNECTOR): SCHEMATIC DIAGRAM - 3 ~ 4 DS: MAIN (DSP): SCHEMATIC DIAGRAM - 5 LD: MAIN (LDO): SCHEMATIC DIAGRAM - 6 MI: MAIN (MICON): SCHEMATIC DIAGRAM - 8 ~ 10 US: MAIN (USB): SCHEMATIC DIAGRAM - 11 SC-UA7E/PC/PH/PR MAIN (OPTICAL) CIRCUIT...
  • Page 52: Main (Micon) Circuit (1/3)

    DS: MAIN (DSP): SCHEMATIC DIAGRAM - 5 J0JYC0000656 LD: MAIN (LDO): SCHEMATIC DIAGRAM - 6 SYS_GND1 OP: MAIN (OPTICAL): SCHEMATIC DIAGRAM - 7 C2116 PWM_X1 US: MAIN (USB): SCHEMATIC DIAGRAM - 11 PWM_X0 PWM_X2 FSOUT1 FSOUT1 SC-UA7E/PC/PH/PR MAIN (MICON) CIRCUIT...
  • Page 53: Main (Micon) Circuit (2/3)

    US: MAIN (USB): SCHEMATIC DIAGRAM - 11 DATA TO MAIN (MICON) CIRCUIT (3/3) C1042 0.22 RX1002 RX1003 LB1045 VOUT J0JBD0000052 J0JBD0000052 J0JCC0000286 IC1002 R1015 C0EBY0000664 VOLTAGE DETECTOR FL_DAT C2139 C2141 C1041 FL_CLK TP_ALERT FL_CS BT_UART_RTS BT_UART_RX BT_UART_TX SC-UA7E/PC/PH/PR MAIN (MICON) CIRCUIT...
  • Page 54: Main (Micon) Circuit (3/3)

    DS: MAIN (DSP): SCHEMATIC DIAGRAM - 5 LD: MAIN (LDO): SCHEMATIC DIAGRAM - 6 OP: MAIN (OPTICAL): SCHEMATIC DIAGRAM - 7 US: MAIN (USB): SCHEMATIC DIAGRAM - 11 R1155 ...E NOTE: “ * ” REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR MAIN (MICON) CIRCUIT...
  • Page 55: Main (Usb) Circuit

    CO: MAIN (CONNECTOR): SCHEMATIC DIAGRAM - 3 ~ 4 DS: MAIN (DSP): SCHEMATIC DIAGRAM - 5 LD: MAIN (LDO): SCHEMATIC DIAGRAM - 6 OP: MAIN (OPTICAL): SCHEMATIC DIAGRAM - 7 MI: MAIN (MICON): SCHEMATIC DIAGRAM - 8 ~ 10 SC-UA7E/PC/PH/PR MAIN (USB) CIRCUIT...
  • Page 56: Panel Circuit (1/2)

    C6838 PW_STDBY_3R3V 1000P PW_STDBY_3R3V IN SCHEMATIC DIAGRAM - 15 RL6800* PW_ILLUM R9000 D9000 B3AAA0001129 USBLED_PLAY1 D9001 R9001 B3AAA0001129 USBLED_REC PW_ILLUM D9008 R9010 B3AAA0001129 EQLED_RED R9009 D9007 B3AAA0001129 DBASSLED_RED NOTE: “ * ” REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR PANEL CIRCUIT...
  • Page 57: Panel Circuit (2/2)

    NFC_SCL TO NFC NFC_IRQ C6803 NFC_IRQ C6802 R6806 C6805 C6807 P.C.B. DGND1 DGND1 PW_+3R3V PW_+3R3V DGND PW_MUX_+12V LB6803 J0JHC0000118 LB6805 J0JHC0000118 PW_+5R6V PW_ILLUM D9003 R9003 B3AFA0000131 D9004 R9004 B3AFA0000131 R9007 Q9000 LED_WHITE B1ABGC000005 R9008 LED DRIVE DGND SC-UA7E/PC/PH/PR PANEL CIRCUIT...
  • Page 58: Mic Circuit

    ...E C1463 R1476 R1431 C1464 16V100 R1443 R1441 2.2K C1469 C1457 C1460 50V0.1 16V47 50V0.1 R1445 FOR SC-UA7E R1444 C1458 JK1402 R1454 R1481 C1472 0.022 MIC 2 R1457 C1473 J0JYC0000656 1000P R1410 C1416 0.01 R1458 FOR SC-UA7E SC-UA7E/PC/PH/PR MIC CIRCUIT...
  • Page 59: Ir Sensor And Usb Circuit

    R6402 C6401 470K DGND JK6300 C6319 C6318 C6322 330P 330P 0.01 L6302 J0JBC0000019 AUX IN 2 L6301 J0JBC0000019 CN6402 MPORT_L MAIN (CONNECTOR) AGND L6300 CIRCUIT (CN2506) MPORT_R J0JBC0000019 IN SCHEMATIC MPORT_DET DIAGRAM - 4 SC-UA7E/PC/PH/PR IR SENSOR / USB CIRCUIT...
  • Page 60: Damp Circuit (1/3)

    SYNC SMPS_ID PCONT1 DC_DET_PWR DC_DET_AMP FAN_OUT1 FAN_OUT2 POWER_MODE DAMP_RST DAMP_RST MAIN (CONNECTOR) DGND DGND CIRCUIT (CN2503) FL-_HI FL-_HI IN SCHEMATIC FL+_HI FL+_HI DIAGRAM - 3 FR-_HI FR-_HI FR+_HI FR+_HI FL-_LO FL+_LO DGND DGND C3572 0.01 ZJ2104 SC-UA7E/PC/PH/PR DAMP CIRCUIT K4AA01H00010...
  • Page 61: Damp Circuit (2/3)

    C3220 /FAULT PVDD_CD /OTW 1000P /OTW OUT_D SW2- R3114 R3541 /CLIP OUT_D C3221 1000P C3222 0.033 R3205 R3209 R3546 BST_C C3223 0.033 GVDD_CD BST_D DV: DAMP (VREG): SCHEMATIC DIAGRAM - 19 ~ 20 C3206 R3210 R3211 HEATSINK SC-UA7E/PC/PH/PR DAMP CIRCUIT...
  • Page 62: Damp Circuit (3/3)

    100K SW2- SW2+ C3526 C3515 0.01 R3522 100K C3508 C3509 C3527 C3510 0.01 C3511 R3512 R3510 R3521 100K 100K SW1+ SW2+ C3571 0.01 R3523 C3538 0.01 C3539 0.01 R3600 ...E/PC ZJ2100 K4AA01H00010 R3524 R3601 ...PH/PR SW2- C3548 SC-UA7E/PC/PH/PR DAMP CIRCUIT...
  • Page 63: Damp (Vreg) Circuit (1/2)

    R2164 PW_+38V C2179 C2142 C2134 D2106 C2144 C2188 B0JCPG000032 390P 50V22 R2165 PCONT1 COMP 120K R2157 C2139 R2167 0.01 C2115 VSENSE SS/TR 25V33 R2166 C2156 C2138 PWGND RT/CLK R2168 150K C2135 25V220 R2180 AGND DAMPGND R2251 SC-UA7E/PC/PH/PR DAMP (VREG) CIRCUIT...
  • Page 64: Damp (Vreg) Circuit (2/2)

    C2146 C2155 C2180 D2107 C2189 K4AA01H00010 R2179 10V100 B0JCPG000032 50V22 R2176 COMP ZJ2102 C2150 0.01 K4AA01H00010 VSENSE SS/TR R2248 R2175 PWGND RT/CLK C2181 R2178 150K C2187 R2181 680P DA: DAMP: SCHEMATIC DIAGRAM - 16 ~ 18 SC-UA7E/PC/PH/PR DAMP (VREG) CIRCUIT...
  • Page 65: Ac Inlet And Smps Circuit (1/2)

    R1503 C1214 R1246 470K 0.01 R1504 470K R1257 R1259 VSEN QR1267 B1GBCFJJ0041 R1255 R1258 C1263 3.9K Q1265 R1205 B1ADCE000012 Q1266 R1256 SWITCH B1ABCF000176 SWITCH C1262 NOTE: “ * ” REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR AC INLET / SMPS CIRCUIT...
  • Page 66: Smps Circuit (2/2)

    R1701 VSEN R1511 1.5K C1708 R1710 R1716 R1721 R1515 0.022 1.8K QR1720 6.8K B1GBCFLL0037 C1704 R1706 C1502 C1503 R1711 C1512 C1508 Q1701 50V100 0.033 1500P 2.4K B3PBA0000579 FEEDBACK R1724 QR1701 B1GBCFLL0037 R1725 PCONT 4.7K R1726 C1721 0.01 SC-UA7E/PC/PH/PR SMPS CIRCUIT...
  • Page 67: Printed Circuit Board

    R4214 R4220 C2139 LB2508 LB2509 C2520 R2513 R2514 C2147 C4307 QR2500 QR2501 C2569 C6421 R1061 C2119 R6147 C6420 C6412 LB6405 R6164 R6118 3904AA PbF 3904AA C4301 C6407 R6166 C4209 R6117 LB6119 R6156 C6122 R6165 LB51 (SIDE A) SC-UA7E/PC/PH/PR MAIN P.C.B.
  • Page 68: Main P.c.b. (Side B)

    R6110 C6120 C6108 R6115 R6169 QR6100 R6150 C6414 IC6100 R6112 JK51 R6167 VA51 C6106 R6100 OPTICAL DIGITAL AUDIO OUT AUX IN 1 FM ANT (SIDE B) AUDIO IN NOTE: " * " REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR MAIN P.C.B.
  • Page 69: Panel And Ir Sensor P.c.b

    LB6803 R6803 LB6802 W116 DP6801 C6807 R6820 C6815 C6817 PbF 3905AA 3905AA IR SENSOR P.C.B. (REP5345AA...E) (REP5345BA...PC/PH/PR) CN6500 C6818 C6820 C6819 IR6500 PbF 3905AD 3905AD NOTE: " * " REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR PANEL / IR SENSOR P.C.B.
  • Page 70: Mic And Usb P.c.b

    13.4. Mic and USB P.C.B. MIC P.C.B. (REP5345AB...E) USB P.C.B. (REP5345AC...E) (REP5345BC...PC/PH/PR) (REP5345BB...PC/PH/PR) CN6401 CN9002* CN6402 FOR SC-UA7E FOR SC-UA7E Q2022 C1457 W201 R1437 R1443 R1432 C6319 W301 FOR SC-UA7E W303 W302 C1470 R1459 C1449 R1460 FOR SC-UA7E JK1402 C1447...
  • Page 71: Damp P.c.b. (Side A)

    R 3 1 1 2 R 3 1 1 4 R 3 1 0 3 R 3 0 0 3 R 3 2 0 3 D 3 0 0 1 D 3 0 0 0 PbF 3903AA 3903AA (SIDE A) SC-UA7E/PC/PH/PR DAMP P.C.B.
  • Page 72: Damp P.c.b. (Side B)

    L2102 C2146 D2111 D2107 R2174 Q2110 C2180 C2187 C2181 ZJ2103 R2248 QR2100 R2104 C2152 C2189 C2130 R2149 QR2102 C2153 R2150 R2253 CN2101 CN2105 R3600 ...E/PC CN2100 D2105 IC2101 C2150 R3601 ...PH/PR R2176 R2178 R2232 D2112 (SIDE B) SC-UA7E/PC/PH/PR DAMP P.C.B.
  • Page 73: Smps P.c.b

    D1204 C1406 D1201 R1420 Q1103 L1201 TH1201 R1238 R1417 K1213* ...PH/PR D1402 R1418 LB1213 ...E/PC ZA1001*...PC/PH/PR HEATSINK D1001 D1203 TL11* TO AC INLET P.C.B. TL21* PbF 3912AA 3912AA NOTE: " * " REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR SMPS P.C.B.
  • Page 74: Ac Inlet P.c.b

    AC IN ~ K1002* 220V ~ 240V 50Hz...E 120V 60Hz...PC 110V ~ 127V/220V ~ 240V 50/60Hz...PH 220V ~ 240V 50/60Hz...PR K1001* TL10* LB1004...E/PC K1004* 3912AB PbF 3912AB NOTE: " * " REF IS FOR INDICATION ONLY SC-UA7E/PC/PH/PR AC INLET P.C.B.
  • Page 75: Voltage And Waveform Measurement

    STANDBY IC1001 REF NO. MODE PLAY STANDBY IC1001 REF NO. MODE PLAY STANDBY REF NO. IC1001 MODE PLAY STANDBY IC1002 REF NO. MODE PLAY STANDBY IC1006 REF NO. MODE PLAY STANDBY IC1006 REF NO. MODE PLAY STANDBY SC-UA7E/PC/PH/PR MAIN P.C.B.
  • Page 76 REF NO. MODE PLAY 22.6 STANDBY 22.6 QR1201 QR1203 QR1204 QR1205 QR2002 REF NO. MODE PLAY STANDBY QR6100 REF NO. MODE PLAY 12.9 STANDBY 12.9 QR6101 QR9001 QR9002 QR9003 QR9004 REF NO. MODE PLAY 12.9 STANDBY 12.9 SC-UA7E/PC/PH/PR MAIN P.C.B.
  • Page 77 MODE PLAY 12.2 12.1 STANDBY 12.2 12.1 IC3201 REF NO. MODE PLAY 30.1 30.1 39.5 39.5 39.5 39.5 39.5 39.5 STANDBY 30.1 30.1 39.5 39.5 39.5 39.5 39.5 39.5 REF NO. IC3201 MODE PLAY 30.1 STANDBY 30.1 SC-UA7E/PC/PH/PR DAMP P.C.B.
  • Page 78 Q3503 MODE PLAY 19.7 19.7 19.7 19.7 39.5 39.4 STANDBY 19.7 19.7 19.7 19.7 39.5 39.4 SC-UA7E/PC/PH/PR DAMP P.C.B. 14.1.5. PANEL P.C.B. IC6800 REF NO. MODE PLAY STANDBY IC6801 REF NO. MODE PLAY STANDBY REF NO. MODE PLAY 12.6 31.5 31.5 30.8 STANDBY 12.6...
  • Page 79 -28.0 -28.0 17.6 STANDBY 196.8 4.2 -28.0 -28.0 17.6 Q1765 Q1766 QR1267 QR1601 QR1701 REF NO. MODE PLAY -40.1 -40.1 17.6 STANDBY -40.1 -40.1 17.6 QR1720 QR1767 REF NO. MODE PLAY -40.1 -36.9 -40.1 STANDBY -40.1 -36.9 -40.1 SC-UA7E/PC/PH/PR SMPS P.C.B.
  • Page 81: Exploded View And Replacement Parts List

    15 Exploded View and Replacement Parts List 15.1. Cabinet Parts Location 1 CN6500 (IR P.C.B.) *(TOUCH SENSOR P.C.B.) *CN8000 JK6300 JK6400 (USB P.C.B.) *(NFC P.C.B.) JK6401 CN6402 *CN9000 CN6401 *(P.C.B.) DP6801 JK1402 JK1401 (FOR E ONLY) (PANEL P.C.B.) CN1404 (MIC P.C.B.) CN6501 CN6801 CN6802...
  • Page 82: Cabinet Parts Location

    15.2. Cabinet Parts Location 2 2(FOR E & PC ONLY) JK51 JK6002 CN2502 JK3003 CN2505 JK6104 CN2506 CN2500 (MAIN P.C.B.) CN2507 CN2504 CN2501 CN2503 *HEATSINK *HEATSINK *HEATSINK FOR PC,PH,PR ONLY *HEATSINK CN3502 CN3501 *HEATSINK CN2103 CN2102 CN1851 P1001 (DAMP P.C.B.) CN2100 F1001 CN2101...
  • Page 83: Cabinet Parts Location

    15.3. Cabinet Parts Location 3 SC-UA7 CABINET DRAWING...
  • Page 84: Cabinet Parts Location

    15.4. Cabinet Parts Location 4 (LIGHTING P.C.B.) (LIGHTING P.C.B.) 100-4 100-4 100-4 100-4 100-4 100-4 100-4 100-4 100-3 100-1 100-1 100-2 100-1 100-1 SC-UA7 CABINET DRAWING...
  • Page 85: Packaging

    15.5. Packaging AC CORD (FOR E ONLY) **LAYER PAD ACCESSORIES BAG **FANBAG PAD AC CORD (FOR PR ONLY) AC CORD (FOR PC ONLY) AC CORD (FOR E/PH ONLY) O/I BOOK SC-UA7 FM INDOOR ANTENNA AC PLUG ADAPTOR (FOR PH ONLY) FERRITE CORE (FOR E ONLY) ANTENNA PLUG ADAPTOR...
  • Page 87: Mechanical Replacement Part List

    15.6. Mechanical Replacement Part List Safety Ref. Part No. Part Name & Qty Remarks Description RGP1759-Q FRONT PANEL Safety Ref. Part No. Part Name & Qty Remarks RGP1759A-Q FRONT PANEL PH,PR Description RGP1759B-Q FRONT PANEL CABINET RFKHCUA7PHK PANEL PCB HOLDER E,PH,PR CHASSIS ASS'Y...
  • Page 88 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description TMKB349 SEALER K2CA2YY00039 AC CORD HOLDER K2CQ2YY00119 AC CORD E,PH TMKB350 SEALER K2CT2YY00097 AC CORD HOLDER RFA3683 AC CORD TMKB351 SIDE PANEL RQT0B12-1B...
  • Page 89: Electrical Replacement Part List

    15.7. Electrical Replacement Part List Safety Ref. Part No. Part Name & Qty Remarks Description Safety Ref. Part No. Part Name & Qty Remarks IC52 VUEALLPT093 Description IC1001 C1AB00004409 IC1002 C0EBY0000664 PRINTED CIRCUIT IC1003 RFKWFCUA7LM BOARDS IC1004 RFKV5346BB PH,PR IC1004 RFKV5346AB E,PC PCB1...
  • Page 90 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description Q1002 B1GBCFJJ0041 TRANSISTOR D1406 B0ECET000006 DIODE Q1003 B1ABGC000005 TRANSISTOR D1416 DZ2J100M0L DIODE Q1103 B1CERR000155 TRANSISTOR D1502 DZ2J120M0L DIODE Q1206 B1ABCF000176 TRANSISTOR D1503 B0HAMP000094...
  • Page 91 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description L1001 G0B223J00001 LINE FILTER E,PC LB6400 J0JGC0000063 INDUCTOR LB6401 J0JGC0000063 INDUCTOR L1002 G0B502J00005 LINE FILTER PH,PR LB6404 J0JBC0000019 INDUCTOR L1003 G0B223J00001 LINE FILTER E,PC...
  • Page 92 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description JACKS W216 D0GFR00J0005 1/4W W217 D0GFR00J0005 1/4W JK51 K4ZZ01000276 W218 D0GFR00J0005 1/4W JK1401 K2HB107B0001 W219 D0GBR00J0004 1/10W JK1402 K2HB107B0001 W220 D0GDR00J0004 1/8W JK3003...
  • Page 93 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description R1040 D0GB122JA065 1.2K 1/10W R1236 D0GD680JA052 1/8W R1041 D0GA101JA023 1/16W R1237 D1BD6803A066 680K 1/8W R1042 D0GA103JA023 1/16W R1238 D1BD6803A066 680K 1/8W R1043 D0GA101JA023...
  • Page 94 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description R1471 D0GBR00J0004 1/10W PC,PH, R2104 D0GB153JA065 1/10W R2105 D0GB471JA065 1/10W R1472 D0GB681JA065 1/10W R2113 D0GDR00J0004 1/8W R1473 D0GB564JA065 560K 1/10W R2117 D0GB681JA065 1/10W...
  • Page 95 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description R2504 J0JYC0000656 INDUCTOR R3107 D0GD220JA052 1/8W R2505 D0GB473JA065 1/10W R3108 D0GD220JA052 1/8W R2506 J0JBC0000015 INDUCTOR R3109 D0GD220JA052 1/8W R2507 J0JBC0000015 INDUCTOR R3110 D0GBR00J0004...
  • Page 96 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description R4005 D0GB103JA065 1/10W R6107 D0GB472JA065 4.7K 1/10W R4006 D0GAR00J0005 1/16W R6108 D0GB102JA065 1/10W R4007 D0GB101JA065 1/10W R6109 D0GB102JA065 1/10W R4008 D0GB101JA065 1/10W R6110...
  • Page 97 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description RX1002 J0JBD0000052 INDUCTOR C1203 F1H1H472B047 4700pF RX1003 J0JBD0000052 INDUCTOR C1204 F1H0J4750004 4.7uF 6.3V RX1005 J0JBD0000052 INDUCTOR C1205 F1H1C104A178 0.1uF RX1006 J0JBD0000052 INDUCTOR C1206...
  • Page 98 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description C1472 F1H1H223B047 0.022uF 50V C2130 F2A0J101B034 100uF 6.3V C1473 F1H1H102A219 1000pF C2131 F1H1E105A153 C1474 F1H1H102A219 1000pF C2131 F1H1H104B047 0.1uF C1502 F2A1H101A147 100uF C2132...
  • Page 99 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description C2520 F1H1A105A113 C3204 F1H1H104B047 0.1uF C2525 F1H1H102A219 1000pF C3205 F1H1H104B047 0.1uF C2529 F1H1H102A219 1000pF C3206 F1H1H104B047 0.1uF C2530 F1H1H102A219 1000pF C3207 F1H1H333A954 0.033uF 50V...
  • Page 100 Safety Ref. Part No. Part Name & Qty Remarks Safety Ref. Part No. Part Name & Qty Remarks Description Description C4018 F2A1C470B454 47uF C6408 F1H1A105A113 C4019 F2A1C220A243 22uF C6412 F1H1H104B047 0.1uF C4020 F2A1C220A243 22uF C6413 F1H1H104B047 0.1uF C4021 F2A1E221B422 220uF C6414 F1H1H104B047 0.1uF...

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