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JVC UX-P5R Service Manual
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JVC UX-P5R Service Manual

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SERVICE MANUAL
MICRO COMPONENT SYSTEM
STANDBY/ON
DIMMER
DISPLAY
SLEEP
MD/AUX
PROG
RANDOM
REPEAT
SOUND
AUTO
FM/AM
MODE
PRESET
FM MODE
CD
TAPE
CD
CANCEL
MULTI KEY
SET
PTY
DISPLAY
MODE
/EON
AHB
VOLUME
PRO
RM-SUXP5R REMOTE CONTROL
Contents
Safety precautions
until TOC read (CD)
UX-P5R
COMPACT
DIGITAL AUDIO
C D - R / R W P L A Y B A C K
STANDBY/ON
M I C R O
C O M P O N E N T
S Y S T E M
U X · P 5 R
STANDBY
/
ON
AHB PRO
CD
TAPE
FM/AM
MD/AUX
/
DIRECT OPERATING
FUNCTION
SOUND
REC
PHONES
A U T O R E V E R S E
1-2
1-4
1-6
1-7
1-15
1-19
This service manual is printed on 100% recycled paper.
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
CLOCK
VOLUME
TIMER
REV .MODE
REC
B
E
EN
UX-P5R
UX-P5R
Area Suffix
U.K.
Continental Europe
Northern Europe
1-20
1-20
1-21
1-40
No.20917
1-1
Mar. 2001

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Summary of Contents for JVC UX-P5R

  • Page 1: Table Of Contents

    UX-P5R UX-P5R SERVICE MANUAL MICRO COMPONENT SYSTEM UX-P5R COMPACT DIGITAL AUDIO C D - R / R W P L A Y B A C K STANDBY/ON M I C R O C O M P O N E N T S Y S T E M U X ·...
  • Page 2 UX-P5R 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.
  • Page 3 UX-P5R (U.K only) 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer.

  • Page 4: Preventing Static Electricity

    UX-P5R Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.1. Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as DVD players.
  • Page 5 UX-P5R 1.3. Cautions on removing the CD traverse unit * For removing the CD traverse unit in detail, refer to the "Adjustment Method" section of this manual. 1. Before disconnecting the flexible wire from the connector CN601 on the CD SERVO board, solder the part shown in the figure below.

  • Page 6: Important For Laser Products

    UX-P5R Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam.

  • Page 7: Disassembly Method

    UX-P5R Disassembly method Metal cover <Main body> Removing the metal cover (See Fig.1 and 2) Remove the six screws A on the back of the body. Remove the two screws B on the side of the body. Pull both sides of the metal cover outward and lift the rear part of the cover.
  • Page 8 UX-P5R Removing the tuner board (See Fig.4 and 5) Tuner board Prior to performing the following procedure, remove the metal cover. Disconnect the card wire from connector CN1 on the tuner board. Remove the screw D on the right side of the body.
  • Page 9 UX-P5R Remove the rear panel (See Fig.8 to 11) Joint a Joint a Prior to performing the following procedure, remove Rear panel the metal cover, rear cover and the CD mechanism assembly. Remove the seven screws G attaching the rear panel.
  • Page 10 UX-P5R CN931 CN901 CN900 Removing the power amplifier board / Main board CN933 Front panel assembly power amplifier sub board / main board / heat sink (See Fig.13 to 21) Prior to performing the following procedure, remove the metal cover, the rear cover, the CD mechanism assembly and the rear panel.
  • Page 11 UX-P5R Removing the power amplifier board Main board (See Fig.19 and 21) Disconnect the power amplifier board from connector CN941 on the power amplifier sub board. Removing the power amplifier sub board (See Fig.19 to 21) Disconnect the two wires from connector CN944,...
  • Page 12 UX-P5R Removing power transformer J1000 assembly (See Fig.22 and 23) Prior to performing the following procedure, remove the metal cover, the rear cover, the CD mechanism assembly and the rear panel. Power transformer assembly Remove the assembly consisting of the power...
  • Page 13 UX-P5R Removing the display board / switch Front panel assembly board (See Fig.26 to 28) Prior to performing the following procedure, remove the front panel assembly. Pull out the VOLUME knob on the front panel. VOLUME knob Remove the fifteen screws N on the back of the front panel and remove the display board with the switch board.
  • Page 14 UX-P5R Removing the headphone board Display board (See Fig.29) Prior to performing the following procedure, remove the front panel assembly. Band Remove the screw P on the back of the front panel. If necessary, remove the band bundling the wire extending from the headphone board and the display board.

  • Page 15: Main Adjustment

    UX-P5R Main adjustment Tuner section Measurement Instruments Required for Adjustment B/E/EN version 1. Low frequency oscillator FM Band cover: 87.5 108MHz This oscillator should have a capacity to output MW Band cover: 522 1,629kHz LW Band cover: 144 288kHz 0dBs to 600 at an oscillation frequency of 50Hz-20kHz.
  • Page 16 UX-P5R << >> Arrangement of Adjusting Position Cassette mechanism section Cassette mechanism section (Back side) Head azimuth Head azimuth adjusting screw adjusting screw (Forward side) (Reverse side) Head azimuth Head azimuth Playback/Recording & adjusting screw adjusting screw eraser head (Forward side)
  • Page 17 UX-P5R Tape Recorder Section Measurement Adjusting Standard Items Measurement method conditions positions Values Adjust the head Confirmation Test tape 1 Playback the test tape VTT703L (8kHz) Maximum azimuth screw of head angle : VTT703L (8kHz) 2 With the recording & playback mechanism,...
  • Page 18 UX-P5R Electrical Performance Adjusting Measurement Standard Items Measurement method positions conditions Values VR31 AC-225 Adjustment of Mode: Forward or 1 With the recording and playback : 4.20 recording bias reverse mode mechanism, load the test tapes (AC-514 to AC-514 current...

  • Page 19: Flow Of Functional Operation

    UX-P5R Flow of functional operation until TOC read (CD) Check Point Slider turns REST Power Key Power ON Check that the voltage at the pin4 SW ON. of CN601 is 0V (a moment)? Automatic tuning of TE offset Check that the voltage at the...

  • Page 20: Maintenance Of Laser Pickup

    UX-P5R Maintenance of laser pickup Replacement of laser pickup (1) Cleaning the pick up lens Befor you replace the pick up, please try to Turn off the power switch and,disconnect the clean the lens with a alcohol soaked cotton power cord from the ac outlet.

  • Page 21: Description Of Major Ics

    UX-P5R Description of major ICs UPD780058 (IC931 ) : Main micon 1. Pin layout 80 ~ 25 ~ 2. Pin function Port Name Function Function SAFETY0 P15/AN15 Irregular voltage detection 0 Safety P16/AN16 DOOR_RST REST/CLOSE switch detect port Door CDSAFETY...
  • Page 22 UX-P5R Port Name Function Function LEDRV Lite LED indicate Reverse P64/RD LED_REC P65/WR Lite LED indicate REC LEDFR Lite LED indicate Forward P66/WAIT STTA Tape IC Strobe Tape P67/ASTB LCDAT P30/TO0 LCD data LMODE LCD date mode control P31/TO1 LCDCK...
  • Page 23 UX-P5R LA6541 (IC801) : Foucus & Spindle & Feed & Tracking BTL driver 1. Pin Layout & block diagram Vref Vin4 Vin3 Level B T L B T L Level RESET shift driver driver shift Level B T L B T L...
  • Page 24 UX-P5R MN662748RPM (IC651) : Digital servo & digital signal processer 1. Pin layout 20 ~ 41 ~ 2.Block diagram AVSS1 LRCKIN(MSEL) 8TIMES AVDD1 BCLK(SSEL) DIGITAL OVER SAMPUNC OUTR SRDATAIN DEEMPHSIS 1BIT DIGITAL FILTER (PSEL) LOGIC IOSEL CLVS BLKCK OUTL CLDCK...
  • Page 25 UX-P5R 3. Pin function Symbol I/O Symbol I/O Function Function Not used Tracking error shunt signal output (H:shunt) BCLK LRCK Not used PLAY Not used SRDATA WVEL Not used Not used DVDD1 Power supply (Digital) RF signal input DVSS1 Connected to GND...
  • Page 26 UX-P5R BA15218F-XE (IC904) : Dual operation amplifier 1. Pin layout OUT1 1 8 Vcc -IN1 2 7 OUT2 +IN1 3 6 -IN2 VEE 4 5 +IN2 2. Block diagram OTHER Q114 OUTPUT 1-26...
  • Page 27 UX-P5R KIA78S06P-T (IC933) : Regulator 1. Pin layout 2. Block diagram 3 INPUT 1 2 3 1 OUTPUT 2 COMMON 1-27...
  • Page 28 UX-P5R TDA7294 (IC940, IC941) : Power amp 1. Pin layout 2. Block diagram 1-28...
  • Page 29 UX-P5R AN22000A(IC601):RF & SERVO AMP 1. Pin layout 2. Block OFTR RF IN RF OUT C.AGC CBDO COFTR OFTR RF_EQ 3TENV NRFDET 3TOUT NRFDET SUBT FEOUT SUBT TEOUT TEBPF VDET VDET VREF GCTL TBAL FBAL CDDG VCC 3. Function Symbol...
  • Page 30 UX-P5R LA1838 (IC1): FM AM IF AMP&detector, FM MPX decoder 1. Block Diagram DECODER RF.AMP ANIT-BIRDIE MUTE BUFF STEREO P-DET AM IF PILOT 384KHz COMP S-METER AM/FM S-CLRVE S-METER IF-BUFF TUNING STEREO DRIVE DRIVE FM IF 2. Pin Function Symbol...
  • Page 31 UX-P5R LC72136N (IC2) : PLL frequency synthesizer 1. Pin layout FM/AM LPFOUT LPFIN CLOCK FM/ST/VCO FMIN AM/FM AMIN IFCONT SDIN IFIN 2. Block diagram Phase Reference Detector Driver Charge Pump Swallow Counter Swallow Counter 1/16,1/17 4bit 1/16,1/17 4bit Unlock Detector...
  • Page 32 UX-P5R LC72723(IC3):RDS Pin Assignment Block diagram VREF FLOUT CIN Vdda CLOCK Vddd RECOVERY REFERENCE (57kHz) (1187.5kHz) VOLTAGE Vssa VREF Vssd 57kHz ANTIALIASING DATA SMOOTHING RDDA MPXIN (SCF) FILTER FILTER DECODER RDCL MDDE (128-bits) CLK(4.332MHz) RDS-ID RDS-ID/ TEST TEST DETECT READY XDUT 3.
  • Page 33 UX-P5R LB1641 (IC802) : DC Motor driver 1. Pin layout GND OUT1 P1 IN2 VCC1 VCC2 P2 OUT2 2. Pin function Input Output Mode OUT1 OUT2 Brake CLOCKWISE COUNTER-CLOCKWISE Brake BU4094BC(IC33):Serial to parallel port extension 1.Pin layout 2.Block diagram STROBE...
  • Page 34 UX-P5R BA3126N(IC31) : R/P Switch GP1U26X (IC933) 1-34...
  • Page 35 UX-P5R NJU6433FG1 (IC934) 1. Pin layout 2. Bock diagram Common Latch Circuit/Segment Driver Driver Divider Input Input Input Input Shift Register 4 Shift Register 3 Shift Register 2 Circuit Switching Shift Register 1 Switching Switching Switching Circuit Circuit Circuit Circuit...
  • Page 36 UX-P5R LC75345M (IC901) 1. Pin layout 2. Block Diagram 1-36...
  • Page 37 UX-P5R 3. Descriptions 1-37...
  • Page 38 UX-P5R 1-38...
  • Page 39 UX-P5R AN7317 (IC32) : PB/REC amp 1-39...

  • Page 40: Internal Connection Of Display

    UX-P5R Internal connection of display QLD0160-001 (D1934) 1-40...
  • Page 41 UX-P5R UX-P5R VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan No.20917 1-41 200103(O)
  • Page 42 UX-P5R Block diagram...
  • Page 43 UX-P5R UX-P5R Standard schematic diagrams Front circuit CN904 CN903 QGF1205F1-16 QGF1205F1-13 REST/OP_SW/CL_SW DI934 QLD0160-001 Q7031 2SC2412K/R/-X 0.001 C7123 RECR RECL R7218 R7217 JS731 QSW0917-001 TAPE1 R7215 TAPE0 R7065 R7064 R7214 SEG32 SEG31 R7117 2.2K DTC114EKA-X 2.2K R7159 LEDREC CLOSE R7341...
  • Page 44 UX-P5R Main circuit CN908 FW901 QGA2501C1-02 QUM158-11DGZ4 FW902 FW904 QUM152-15Z4Z4 FW904 C2119 0.27 2SA1037AK/RS/-X Q3500 22/16 C2117 C2215 R3502 22/16 150K R2147 R3500 0.012 C2126 R3505 J902 R3506 D3501 GP1FA550TZ IC901 330K 100K R3504 LC75345M R2228 D3500 MTZJ3.0B-T2 0.012 150K...
  • Page 45 UX-P5R UX-P5R Subwoofer circuit IC940 IC941 L4002 QQR0797-001 R4000 C4004 C4005 R4001 22/50 22/50 C4002 10/35 R4012 R4010 R4013 R4011 C4013 1.2K 10/35 1.2K L4003 C4018 QQR0797-001 10/50 C4010 C4011 R4027 C4037 C4038 10/35 10/35 Q4001 2SC3576 R4026 Q4000 2SC3576...
  • Page 46 UX-P5R CD servo circuit W605 QJP001-03201 R601 220K TBAL R602 270K FBAL GCTRL R604 180K C606 R643 C604 0.022 CN651 QGF1201F1-16 C641 C603 STAT C601 390K 0.001 R642 VDET SQCK C602 0.001 LDON SUBQ C653 MCLK 0.1/16 150P 150P 150P...
  • Page 47 UX-P5R UX-P5R Cassette amplifier circuit 1SR139-400-T2 SG-105F3-BB,C Q201 C211 R212 DTC114TKA 2.2K 0.0015 C208 R208 R211 C204 R203 R202 5.6K 4.7/25 0.033 2.4K 1.8K R204 1.2K MSI-5U2LWA QGB2011L1-10 Q203 DTC114TKA IC31 BA3126N R304 FW31 CN32 QGB2011M1-10 VWS304-06A13K R301 IC32 AN7317...
  • Page 48 UX-P5R Tuner circuit (E) QAU0160-001 0.0039 0.47/50 0.0022 0.047 22/16 0.27 470P 1/50 0.047 22/16 0.001 10/16 10/16 1SS133-T2 100/10 1000P 1SS133-T2 0.0018 0.0018 3.3K QAX0420-001 LC72136N 1SS133-T2 LA1838 2SC2412K/R/-X 2SC2412K/R/-X 1SS133-T2 QNB0014-001 DTA114YKA-X QAX0458-001Z 5.6K DTA114YKA-X 150P QQR0793-001 150P...
  • Page 49 UX-P5R UX-P5R Tuner circuit (EE) QAU0036-001 0.0039 0.47/50 0.0022 0.047 22/16 0.27 1/50 0.047 22/16 0.001 10/16 10/16 100/10 1000P 0.0018 0.0018 3.3K QAX0403-001 LC72136N LA1838 2SC2412K/R/-X 2SC2412K/R/-X QNB0014-001 DTA114YKA-X QAX0403-001 5.6K DTA114YKA-X QQR0793-001 150P 150P 150P 1/50 1.2K QQR1094-001 0.047...
  • Page 50 UX-P5R Power supply circuit D1010 Q1000 1SS133 2SC2785 2SC2235 Q1001 MTZJ6.2A C1009 D1011 0.0047 T1000 470/16 T1000 QQT0323-003 QQT0323-001 R1002 C1010 C1011 1000/25 D1012 R1003 R1004 4.7K 1SS133-T2 R1004 D1012 R1003 R1004 D1012 R1003 F1000 4.7K 4.7K 1SS133-T2 1SS133-T2 F1000...
  • Page 51 UX-P5R UX-P5R Printed circuit boards Main board Block No. 01 Q7003 SW9V SW9V R7232 CLOSE C7010 R7160 D7007 OPEN R7159 OP-SW CN931 CL-SW R7078 R7236 CD+B CD+B R7077 K7003 R7076 D7004 R7010 D7005 R7202 C7123 R2034 R2134 R7123 Q2215 Q2216...
  • Page 52 UX-P5R Front board Block No. 02 CD servo board Block No. 03 T001A W5000 W5000 H.P board L5030 L5030 L5033 L5033 J5000 J5000 HPSW HPSW LED board ROUT ROUT R710 R708 LOUT LOUT C7305 B618 HPGND HPGND D831 D7403 D7401...
  • Page 53 UX-P5R UX-P5R Tuner board Block No. 04 Head amplifier board Block No. 05 B102 R371 C376 Q375 CN32 R375 CN34 B152 D375 Q376 C307 Q371 Q372 R372 R373 C375 R205 R112 B198 C113 R111 R105 C213 R110 R212 C105 R210...

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