hit counter script
Panasonic TX-22LX2 Service Manual
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. LCD TV
  5. TX-22LX2
  6. Service manual
Panasonic TX-22LX2 Service Manual

Panasonic TX-22LX2 Service Manual

Wide lcd tv
Hide thumbs Also See for TX-22LX2:
Table of Contents

Advertisement

Quick Links

Download this manual
Power Source
AC 220-240V, 50/60Hz
Power Consumption
Average use: 90W
Standby condition: 1.3W
LCD
Wide XGA (1,280 × 720 pixels)
16 : 9 aspect ratio LCD panel
Screen Size
487.7mm(W) × 274.3mm(H)
Sound
Speaker
12cm × 4cm, 2pcs, 16W
Audio Output
6W (3W + 3W), 10% THD
Headphones
M3 (3.5 mm) Jack x 1
Receiving Systems/ Band name
PAL I
UHF E21 - 68.
PAL 525/60
Playback of NTSC tape from some PAL Video recorders
(VCR).
M.NTSC
Playback from M.NTSC Video recorders (VCR).
NTSC (AV input only)
Playback from NTSC Video recorders (VCR).
Aerial-Rear
TX-22LX2
LH35 Chassis
UHF
Operating Conditions
Temperature: 5°C-35°C
Humidity: 5%-90% RH (non-condensing)
Connection Terminals
AV1 (Scart connecter)
21 Pin terminal (Audio/Video in, Audio/Video out, RGB in,
Q-Link)
AV2 (Scart connecter)
21 Pin terminal (Audio/Video in, Audio/Video out, S-Video
in, Q-Link)
AV3
VIDEO
RCA PIN Type × 1
S-VIDEO
Mini DIN 4-pin
AUDIO L-R
RCA PIN Type × 2
Dimensions (W x H x D)
Including TV Stand
592mm × 503.1mm × 260mm
TV Set Only
592mm × 420mm × 99mm
Weight
10kg Net
Note:
Design and Specifications are subject to change without notice.
Weight and Dimensions shown are approximate.
© 2004 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. PCZ0408011C2
Wide LCD TV
Unauthorized
copying
and

Advertisement

Table of Contents
loading

Related Manuals for Panasonic TX-22LX2

Summary of Contents for Panasonic TX-22LX2

  • Page 1 ORDER NO. PCZ0408011C2 Wide LCD TV TX-22LX2 LH35 Chassis Power Source AC 220-240V, 50/60Hz Operating Conditions Power Consumption Temperature: 5°C-35°C Average use: 90W Humidity: 5%-90% RH (non-condensing) Standby condition: 1.3W Connection Terminals AV1 (Scart connecter) Wide XGA (1,280 × 720 pixels)

  • Page 2: Self Check

    4 Self Check TOP PREVIOUS NEXT 1. Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set. 2. To get into the Self -Check mode press the Down ) button on the customer controls at the front of the set, at the same time pressing the Recall button on theremote control, and the screen will show : 3.
  • Page 3 8.1 How to enter SERVICE 1 TOP PREVIOUS NEXT 1. In main menu, move to choose sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM. 2. Simultaneously press INDEX button on remote control and DOWN button [ ] on the TV set. TOP PREVIOUS NEXT http://servis-manual.com/...

  • Page 4: How To Enter Service

    8.2 How to enter SERVICE 2 TOP PREVIOUS NEXT 1. Select the TEXT Clamp Level (service 1). 2. Set the channel to CH99. 3. Press HOLD button on remote control. Note: To exit to Service mode, press N or Power button on remote control. http://servis-manual.com/...
  • Page 5 TOP PREVIOUS NEXT http://servis-manual.com/...

  • Page 6: Option Description

    8.3 Option Description TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 7 TOP PREVIOUS NEXT http://servis-manual.com/...
  • Page 8 9.1.1 RF video TOP PREVIOUS NEXT Instrument Name Connect to Remarks Remote controller RF input Internal signal (studio color bar) 1. Receive full color bar by RF signal input. (Aspect mode : wide, Viewing mode: standard, LCD AI: OFF) 2. Go to "Auto Y Gain" under Service 1 and make automatic adjustment of video signal level by the blue key.
  • Page 9 9.2 WB Adjustment TOP PREVIOUS NEXT Instrument Name Connect to Remarks 1. Remote controller Correlation can be also taken by CA-110 or equivalent 2. LCD WB meter (Minolta CS-1000 equivalent) 3. Communication jig 4. Computer for external control Basically perform checking using the production software and make automatic adjustment using external computer.
  • Page 10 0C30h - 0C33h, 0C34h - 0C37h ...B(color temperature Normal) 0C50h - 0C53h, 0C54h - 0C57h ...R(color temperature Warm) 0C00h - 0C03h, 0C04h - 0C07h ...G(color temperature Warm) 0C28h - 0C2Bh, 0C2Ch - 0C2Fh ...B(color temperature Warm) 0C60h - 0C63h, 0C64h - 0C67h ...R(color temperature Cool) 0C10h - 0C13h, 0C14h - 0C17h ...G(color temperature Cool) 0C38h - 0C3Bh, 0C3Ch - 0C3Fh ...B(color temperature Cool) 7.

  • Page 11: Block And Schematic Diagrams

    11 Block and Schematic Diagrams 11.1. Schematic DiagramNotes...
  • Page 12 TX-22LX2...

  • Page 13: Main Block Diagram

    TX-22LX2 11.2. Main Block Diagram UNIT STB5V/REG5V INTERTER15V UNREG32V IC2100 IC2200 Left Audio Amp. Amp. Right PANEL VCC Sound STB5V,MAIN5V IC2501 STB3.3V,MAIN3.3V processor MAIN1.8V,MAIN9V TU101 RF in Tuner TV_V IC4002 RGB AD SCART SCART V/R/G/B R/G/B AV3/S S-VIDEO IC3001 IC1115...

  • Page 14: Lcd Panel

    AC IN 220-240V 50/60Hz LCD Panel (W-XGA) INV_VCC IC4023 IC4022 SDRAM SDRAM IC4017 IC4025 GC3FM LVDS IC4003 Driver IC4002 GC3I RGB AD cont IC1107 EEPROM IC4001 RGB AD IC1104 Text/OSD Remote Control Headphones TX-22LX2 Main Block Diagram...

  • Page 15: Power Block Diagram

    PLL3_AVD AC17 BUFFER VDDE MAIN_9V AC18 OP AMP VDDE PLL2_AVD1 MAIN_9V AC19 VDDE PLL2-AVD2 AC23 VDDE Q4077 LCD BL0 MAIN POW MAIN POW Q4081 Q4094,Q4095 LCD BL2 HSOE IC4014 PANEL HS AI_PWM INV_POW OP AMP INVPOW TX-22LX2 Power Block Diagram...
  • Page 16 TX-22LX2 TUNER TU101 STAND BY V SUPPLY STBY 3.3V STB_5V D205 REG_5V Q201 REG_5V LED R REG_5V REG_5V POWER UNREG_32V SUPPLY UNIT MAIN POW POWER ON V-BOARD INVERTER_15V B-BOARD INVERTER_15V INVERTER_15V INVERTER_15V INVERTER_15V IC802 IC801 MAIN 9V MAIN 12V SW OUT...

  • Page 17: Signal Block Diagram

    TX-22LX2 11.4. Signal Block Diagram IC3001 AV SELECTOR AV1-V TV-VOUT VOUT AV1-L SCART JK3001 AV1-FB AV1-R AV1 SCART AV1-SLOW AV2-V GREEN GREEN AV1-QLINK Q_LINK AV2-Y SLOW AV2-C BLUE BLUE SCART LOUT1 AV2-L AV2-R ROUT1 TV-LOUT LOUT AV2-SLOW VOUT1 TV-ROUT ROUT...
  • Page 18 SC1-OUT L AV-R TV1_R SC1 IN R SC1-OUT R SP-LCH MONO IN DACM L SP-RCH DACM R ANA IN HP-LCH XTAL IN DACA L HP-RCH DACA R XTAL OUT 12CDA SDA1 SCL1 RESETQ 12CCL POWER OFF-MUTE Q2507 TX-22LX2 Signal Block Diagram...
  • Page 19 SCL1(5V) SCL1(5V) SCL1 HP_RCH OUT1 MUTE HP-RCH Q2202 MUTE Q2201 MUTE MT/SW MUTE Q2200 MUTE RES_Q RES_Q Q2006 D2008 STB5V AV2_QLINK QLINK(AV2) Q2010 AV1_QLINK QLINK(AV1) Q2007 Q2009 Q2008 AV1_FB D2003 SCART_R GREEN SCART_G BLUE SCART B TX-22LX2 Signal Block Diagram...
  • Page 20 TX-22LX2 V-BOARD D205 Q201 STAND BY LED RM201 REMOTE RECEIVER JK201 HEADPHONES REMOTE LED_R KEY_SCAN Q4091 C/PB Q4045,Q4069,Q4073 C/PB Q4046,Q4067,Q4075 IC4002 SCART RGB A/D Q1108 SDA1(5V) YSOUT0 Q1109 Q1105,Q1106 PRIN SCL1(5V) PBIN YSOUT6 IC1105 RSTN GC3_RST Q-LINK SW MUTE SDA0(3.3V)
  • Page 21 TX-22LX2 IC1114 IC1115 64Mbit SDRAM 16Mbit FLASH DG-BOARD IC1108 IC1113 RESET OR GATE STB3.3V RESET IC1104 RST IN LED_R LED R CSROM REMOTE Q1102 RMCN GC3 RST INV POW GC3 RST Q4089 Q4088 PANEL HS INV ON MAIN POW MAIN ON...
  • Page 22 SCL0 SCL0(5V) SDA1 SDA1(5V) SCL1 SCL1(5V) SDA2 SDA2(5V) SCL2 SCL2(5V) IC1107 EEPROM IC4025 LVDS RX0+ RX0- RX1+ RX1- RX2+ LCD PANEL RX2- RX3+ RX3- TCLK+ RXCLK+ TCLK- RXCLK- Q4093 PANEL 5V PANEL 5V PANEL 5V Q4092 TX-22LX2 Signal Block Diagram...
  • Page 23 AB_AV3_R AV3/S AE_AV2_L R3003 C3054 AE_AV2_Y R3084 180k K1KA12A00176 AE_AV2_R R3004 AE_AV2_C AE_AV2_SLOW DG-BOARD AB_AV3_V R3005 220 (DG2) AB_AV3_L R3008 1k R3006 220 AB_AV3S_Y AB_AV3_R R3009 1k R3007 220 AB_AV3S_C A-BOARD TNPH0582AA (1/2) TX-22LX2 A-Board (1 of 2) Schematic Diagram...
  • Page 24 TX-22LX2 MAIN9V MAIN9V TNR_5V TNR_5V MSP_5V MSP_5V AG_SCL1 C2528 AG_SDA1 0.47u TP809 C2518 L2507 G1C330K00017 C2512 0.1u L2503 ELESN180JA C2516 C2517 C814 C813 C2511 C2508 JS2006 3.3u 0.1u 470u 0.1u 0.1u C2510 C2519 6.3V JS2003 100u IC803 C2520 AN77L08M-E1 AVR 8V...
  • Page 25 TX-22LX2 11.6. A-Board (2 of 2) Schematic Diagram TO SPEAKER K1KA04A00195 MAIN9V IC807 TNR5V C0DBZHE00019 C2122 IC2100 C2121 C2123 TNR 5V 560p 560p 560p AN17821A C2120 560p SP AMP TP2201 TP2202 C2203 C2204 6.3V 6.3V 100u 100u TP834 C2209 C2210 0.1u...
  • Page 26 GND_V TP803 TP3040 MAIN1.8V STB_5V TP812 K1KB04Z00002 K-BOARD (K1) TP3060 AA_LED_OFF TP805 LED_OFF TP820 TP3059 TP808 TP825 TP806 REG5V TP814 TP822 TP832 C812 TP807 TP823 TP824 TP821 330u TP813 TP817 K1KA20A00272 TO INVERTER TX-22LX2 A-Board (2 of 2) Schematic Diagram...
  • Page 27 INVPOW TP9012 TP9013 IDTV_LED TP9015 REMOTE TP9016 JPEG_RESET JPEG_IDO JPEG_TDX JPEG_RX TP9021 SCL_1 TP9022 SDA_1 TP9023 TP9024 RESQ TP9025 MUTE TP9038 TP9026 FL1019 GND_V J0HABB000004 AA_C TP9027 C/Pb FL1020 GND_V J0HABB000004 GND_V TP9039 TX-22LX2 DG-Board (1 of 7) Schematic Diagram...
  • Page 28 TX-22LX2 IC9001 C0CBAYG00011 STB 2.5V STB2.5V TP9050 R1017 24.9k TP9030 AH_BLUE BULE TP9031 FL1029 J0HABB000004 AH_GREEN GREEN FL1030 TP9032 J0HABB000004 R1018 23.7k AH_RED C1012 C9001 FL9032 C1011 FL9031 J0HABB000004 J0HABB000004 0.1u AH_FB TP9033 0.1u TP9034 IDTV_SW TP9035 JS1034 QLINK_2 TP9036...

  • Page 29: Dg-Board (2 Of 7) Schematic Diagram

    TX-22LX2 11.8. DG-Board (2 of 7) Schematic Diagram MAIN9V L4057 G1C330K00017 MAIN5V C1016 C4085 Q4023 C4052 C4062 R4077 C4068 R4089 R4130 C4087 2SC584500L 0.01u 6.3V 0.1u AH_GREEN 6.3V R4110 R4118 R4142 R4078 DG-BOARD TNPA3167AA (2/7) R4151 L4008 C4049 C4057 Q4037...
  • Page 30 0.1u 0.1u 0.1u 220u 0.1u 0.1u 0.1u 0.1u C4283 C4161 C4297 0.1u 0.1u 0.1u R4384 R4223 R4392 C4274 C4256 6.3V C4497 6.3V L4056 L4028 C0000078 J0JCC0000241 0.1u C4258 C4267 C4269 6.3V 6.3V 0.01u TX-22LX2 DG-Board (2 of 7) Schematic Diagram...

  • Page 31: Dg-Board (3 Of 7) Schematic Diagram

    0.01u C4079 R4140 IC4004 SDA_0 1000p C4031 SCL_0 C0CBCBD00008 0.1u R4141 ADRS0 AD 3.3V R4136 ADRS1 C4032 L4061 MAIN5V C4080 J0JCC0000241 0.1u R4137 C4036 1000p L4004 C4055 C4059 J0JCC0000241 0.1u R4149 0.1u C4044 TX-22LX2 DG-Board (3 of 7) Schematic Diagram...
  • Page 32 TX-22LX2 DG-BOARD TNPA3167AA (3/7) R4761 C4041 0.1u R4170 R4181 D1HG6808A002 D1HG6808A002 C4498 0.1u R4737 AS_BLK C4091 C4094 C4106 1000p 1000p 1000p IC4024 MAIN3.3V C0JBAZ001769 R4762 BUFFER YOUT7 PROUT2 AVDAD1 PROUT1 AVDAD4 C4082 PROUT0 R4212 C4118 6.3V 0.1u R4222 VRH1 VRH4...

  • Page 33: Dg-Board (4 Of 7) Schematic Diagram

    TX-22LX2 11.10. DG-Board (4 of 7) Schematic Diagram LCD_ENB IC4003 IC4003 GOE0 LCD_BL2 IC4003 GOE1 C1AB00001926 VDDI R4431 MAIN1.8V IC4003 GOE2 L4034 GC3I J0JHC0000078 IC4003 IC4003 IC4003 IC4003 AF26 - IC4003 GOE3 C4331 C4330 R4442 IC4003 GOE4 220u 0.1u IC4003...
  • Page 34 J0JGC0000021 R4441 G1C100KA0008 5.6k Q4089 R4165 1OUT C4549 UNR521100L R4447 C4371 C4372 2OUT 1IN- Q4088 0.1u 0.1u UNR521100L 2IN- 1IN+ AB_AI_PWM R4461 2IN+ Q4077 R4470 UNR521100L IC4014 C4370 C0ABBA000134 Q4081 OP AMP UNR221L00L TX-22LX2 DG-Board (4 of 7) Schematic Diagram...

  • Page 35: Dg-Board (5 Of 7) Schematic Diagram

    DA4_COMP 0.1u C4404 IC4003 AD1_AVS C4417 0.1u 6.3V MAIN3.3V IC4003 AD1_VR L4040 J0JCC0000241 C4418 IC4003 AD1_AVD 6.3V C4519 C4520 IC4003 AD1_VIN3 0.1u 0.1u IC4003 AD1_VIN2 TP4069 TP4071 (VM) TP4070 TP4068 DG-BOARD TNPA3167AA (5/7) TX-22LX2 DG-Board (5 of 7) Schematic Diagram...
  • Page 36 TX-22LX2 SDRAM A SDRAM B DQA16 IC4003 AF12 DQA0 IC4003 DQA16 IC4003 DQB0 DQB16 IC4003 DQB0 IC4003 AE26 DQB16 IC4003 AC24 AB0 DQA17 IC4003 AE12 DQA1 IC4003 DQA17 IC4003 DQB1 DQB17 IC4003 DQB1 IC4003 AF25 DQB17 IC4003 AD26 AB1 DQA18...

  • Page 37: Dg-Board (6 Of 7) Schematic Diagram

    TX-22LX2 11.12. DG-Board (6 of 7) Schematic Diagram C4440 MAIN3.3V SDRAM A SDRAM B 0.1u R4581 C4501 EXB38V680JV 2.2u DQB15 6.3V DQB12 C4441 DQB8 C4502 220u 50V 1000p DQB11 R4570 DQB0 C4447 C4499 DQ15 0.01u R4548 1000p VDDQ VSSQ D1HG6808A002...
  • Page 38 DQB29 R4574 /PDWN Rx0+ R4580 68 TP4110 DQB31 CLK_IN TP4100 Rx0- TP4117 DQB28 DQB27 R4597 DQB26 LCD PANEL TP4112 DQB25 IC4025 DQB24 R4568 K1KA20A00272 C0JBCZ000512 D1HG6808A002 LVDS TP4150 AS_SHARP_DCC1 AS_SHARP_DCC2 TP4151 AS_SHARP_50_60 TP4152 TX-22LX2 DG-Board (6 of 7) Schematic Diagram...

  • Page 39: Dg-Board (7 Of 7) Schematic Diagram

    AQ_D VDD33-6 AO_A11 1000p VSS33-6 R1200 AO_A12 EXB38V680JV C1120 C1149 AQ_D R1123 EXB38V680JV 1000p 0.1u C1121 0.1u R1203 EXB38V680JV L1113 J0JHC0000078 STB3.3V C1119 C1196 0.1u STB3.3V R1174 EXB38V680JV R1167 AQ_M2_RESET DG-BOARD TNPA3167AA (7/7) TX-22LX2 DG-Board (7 of 7) Schematic Diagram...
  • Page 40 TX-22LX2 STB3.3V STB3.3V L1109 J0JHC0000078 STB3.3V AO_A16 AO_A15 AO_A14 BYTE AO_A13 AO_A12 AQ_D15 DQ15/A-1 R1312 AO_A11 AQ_D7 AO_A10 AQ_D14 DQ14 C1171 AO_A9 AQ_D6 0.1u STB3.3V AO_A8 AQ_D13 DQ13 C1153 AO_A19 AQ_D5 16V 0.1u AQ_D12 DQ12 AQ_D4 R1234 4.7k TP4082 RESET...
  • Page 41 TX-22LX2 11.14. B, K, and V-Board Schematic Diagram TP101 R102 R105 R107 TP102 SCL1 TP103 SDA1 R108 TP104 D104 D103 MAZ80620ML MAZ80620ML TP105 V SUPPLY L101 C103 C105 ELJPA330KF 6.3V 4MHz OUT 330u TP106 L102 30.0 C106 ELJPA330KF 0.1u TP107...
  • Page 42 STB_3.3V D205 R213 B3CKE0000006 R203 C207 2.2k 6.3V L201 J0JCC0000364 R204 GREEN L202 J0JCC0000364 R212 Q201 D210 D211 UNR521900L MAZ80560ML MAZ80560ML D209 D212 R211 MAZ80560ML MAZ80560ML TP206 JS201 JS202 TP202 TP201 K1KA09B00019 A-BOARD (A5) TX-22LX2 B,K and V-Board Schematic Diagram...

Table of Contents