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JVC UX-A52 Service Manual
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JVC UX-A52 Service Manual

JVC UX-A52 Service Manual

Micro componenet system
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SERVICE MANUAL
MICRO COMPONENET SYSTEM
COLOR
DIMMER
STANDBY/ON
CLOCK
/TIMER
FM MODE
SLEEP
1
2
3
4
5
6
DISPLAY
7
8
9
10
0
10
SET
+
CANCEL
REV.MODE
REPEAT
PLAY MODE
CD
FM/AM
AUX/MD
TAPE
BEEP
SOUND
AHB
MODE
PRO
VOLUME
RM-SUXA52U
Contents
Safety precautions
UX-A52
MICRO COMPONENT SYSTEM UX-A52
STANDBY/ON
COMPACT
DIGITAL AUDIO
PHONES
1-2
1-3
1-4
1-5
1-24
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
US ----------------- Singapore
UJ ---------------- U.S.Military
UP ----------------------- Korea
UW ------ Brazil,Mexico,Peru
until TOC read (CD)
UX-A52
1-28
1-29
1-29
1-30~48
No.21074
1-1
Feb. 2002

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  • Page 1: Table Of Contents

    UX-A52 UX-A52 SERVICE MANUAL MICRO COMPONENET SYSTEM UX-A52 COLOR DIMMER STANDBY/ON CLOCK /TIMER FM MODE SLEEP DISPLAY MICRO COMPONENT SYSTEM UX-A52 CANCEL REV.MODE REPEAT PLAY MODE FM/AM AUX/MD TAPE STANDBY/ON COMPACT BEEP DIGITAL AUDIO SOUND MODE VOLUME RM-SUXA52U PHONES Area Suffix US ----------------- Singapore UJ ---------------- U.S.Military...
  • Page 2 UX-A52 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: Preventing Static Electricity

    UX-A52 Preventing static electricity 1.Grounding to prevent damage by 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.

  • Page 4: Important For Laser Products

    UX-A52 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 5: Disassembly Method

    UX-A52 Disassembly method Rear cover <Main body> Removing the rear cover (See Fig.1 and 2) Remove the nine screws A on the back of the body. Remove the two screws B on the bottom of the body. Antenna terminal Unlock the speaker terminal and the antenna...
  • Page 6 UX-A52 Removing the top panel (See Fig.6 and 7) Top panel Prior to performing the following procedure, remove Joint the rear cover and the side panels. Remove the two screws D on each side of the body. Release the two joints b on each side of the body and remove the top panel in the direction of the arrow.
  • Page 7 UX-A52 Removing the system control board (See Fig.9) Prior to performing the following procedure, remove CN716 the rear cover, the side panels and the top panel. CN715 CN701 CN706 CN712 Disconnect the card wire from connector CN701 and CN711 the wire from connector CN706, CN715, CN716 on the system control board.
  • Page 8 UX-A52 Front panel assembly Removing the front panel assembly (See Fig.11 and 12) Prior to performing the following procedure, remove the rear cover, the side panels, the top panel and the system control board. Release the two joints d on the lower right and left sides of the front panel assembly, then remove the front panel assembly toward the front.
  • Page 9 UX-A52 Main board Removing the main board / the heat sink CN804 (See Fig.15 to 17) Prior to performing the following procedure, remove the rear cover, the side panels, the top panel, the cassette mechanism assembly section and and the system control board.
  • Page 10 UX-A52 Power transformer assembly AC jack board Removing the AC jack board CN809 (See Fig.18 and 19) Prior to performing the following procedure, remove the rear cover, the side panels, the top panel, the cassette mechanism assembly section, the system control board and the main board / the tuner board.
  • Page 11 UX-A52 Removing the CD mechanism assembly CD mechanism cover CD mechanism assembly (See Fig.21 to 23) Spacer Prior to performing the following procedure, remove Band the rear cover, the side panels, the top panel, the cassette mechanism assembly section, the system control board, the front panel assembly section, the main board / the tuner board and the AC jack board.
  • Page 12 UX-A52 <Front panel assembly section> Prior to performing the following procedure, remove CN907 the rear cover, the side panels, the top panel, the system control board and the front panel assembly section. Relay board CN906 Removing the relay board (See Fig. 24)
  • Page 13 UX-A52 Removing the door switch board Drive motor assembly Door switch board (See Fig.27 and 28) Prior to performing the following procedure, remove the relay board. Loosen the screw S attaching the door switch. Joint e Remove the door switch board while releasing it from the joint e.
  • Page 14 UX-A52 Removing the LCD board assembly Case cover (See Fig.32 to 36) Prior to performing the following procedure, remove the relay board and the LCD section. Remove the four screws U attaching the case cover. Remove the four screws V attaching the LCD panel on the back of the LCD section.
  • Page 15 UX-A52 <Top panel section> Operation switch board Prior to performing the following procedure, remove the rear cover, the side panels and the top panel. Removing the operation switch board (See Fig.37) Remove the seven screws W attaching the operation switch board on the reverse side of the top panel.
  • Page 16 UX-A52 CL. base assembly <CD Mechanism Assembly> Hook a Removing the CL. Base Assembly and Tray Hook a (Refer to Figs. 1 to 5.) 1. Remove the two screws A fastening the CL. base assembly from the top of the CD mechanism assembly.
  • Page 17 UX-A52 Removing the TRAMECHA Assembly (Refer to Figs. 6 to 9.) Remove the CL. base assembly and tray. Reference: The TRAMECHA assembly can be Idle gear removed without removal of the mechanism board. 1. If the TRAMECHA assembly is lowered and it is...
  • Page 18 UX-A52 Removing the Mechanism Board (Refer to Fig 10.) Flexible wire Reference:The mechanism board can be removed without removal of the TRAMECHA assembly. Shorting round Note: Before disconnecting the flexible wire coming CN601 on Soldered from the pickup from the connector, be sure to...
  • Page 19 UX-A52 Flexible wire Removing the Pickup (Refer to Figs. 11 to 14.) Shorting round Remove the CL. base assembly and tray. Remove the TRAMECHA assembly. Reference: The pickup can be removed without CN601 on removal of the mechanism board. mechanism...
  • Page 20 UX-A52 Reinstalling the Pickup Assembly Part k (Refer to Figs. 15 and 16.) Part j Reference: Refer to the explanation of "Removing the Pickup" on the preceding page. Pickup assembly 1. Fit the P.S. spring and rack plate to the pickup.
  • Page 21 UX-A52 <Cassette mechanism section> Load arm CAUTION: Prior performing following procedures, turn the mode gear in the E-washer direction of the arrow to move each section to the eject position. Removing the side bracket (L) and (R) / load board (See Fig.1 to 4)
  • Page 22 UX-A52 Removing the cassette hanger assembly / cassette holder (See Fig.5) Cassette hanger assembly Prior to performing the following procedure, remove the side bracket (L) and (R). Cassette holder Remove the slit washer attaching the cassette hanger assembly and pull out the pin.
  • Page 23 UX-A52 Removing the head assembly / head Head assembly board (See Fig.9 and 10) Prior to performing the following procedure, remove the side bracket (L), (R), cassette hanger assembly / cassette holder. Remove the spring on the lower side of the head assembly.

  • Page 24: Adjustment Method

    UX-A52 Adjustment Method 1. Jigs and test instruments Test disc (CTS-1000) Test tape (VT712) Test tape (VT703) Test tape (AC225) 2. Adjustment and check items 1) Indications in the modes that all LCD's are on 2) CD section (1) Indication of the C1 error (2) Cancel of the C1 error indication 3.
  • Page 25 UX-A52 Cassette section Playback/Recording & eraser head Head azimuth Head azimuth adjusting screw adjusting screw (Reverse side) (Forward side) Head azimuth Head azimuth adjusting screw adjusting screw (Reverse side) (Forward side) Playback/Recording & eraser head Removing the Cassette Mechanism Assembly 1.
  • Page 26 UX-A52 Check and adjustment of the Head amplifier section Standard Adjusting Item Check/Adjustment Method Value Point 1) Play back the end part of the test tape VT703 (10 kHz). 1. Head azimuth Head Maximum 2) Adjust the head azimuth screws so that the output becomes...
  • Page 27 UX-A52 Extension code connecting method System control board (CN706, CN715, CN716) Cassette mechanism assembly QUQ110-1940BJ CD mechanism assembly CD servo control board System control board (CN651) (CN704) Extension wire 1-27...

  • Page 28: Flow Of Functional Operation

    UX-A52 Flow of functional operation until TOC read (CD) Check Point Slider turns REST Power Key Power ON Check to see if the voltage at the SW ON. pin 72 of IC701 or pin 5 of CN602 becomes 0 V for an instant. (The...

  • Page 29: Maintenance Of Laser Pickup

    UX-A52 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 30: Description Of Major Ics

    UX-A52 Description of major ICs UPD784216AGF (IC701) : System micon 1. Pin layout 2. Block diagram RxD1/SI1 INTP2/NMI PROGRAMMABLE UART/IOE1 TxD1/SO1 INTP0.INTP1. INTERRUPT BAUD-RATE INTP3-INTP6 ASCK1/SCK1 CONTROLLER GENERATOR RxD2/SI2 TI00 TIMER/EVENT UART/IOE2 TxD2/SO2 TI01 COUNTER BAUD-RATE ASCK2/SCK2 (16BITS) GENERATOR CLOCKED...
  • Page 31 UX-A52 3. Pin function (1/2) Symbol Pin No. Description Not connected FAUX2 Not connected Not connected RDSDATA Stereo detection Stereo indicator detection TUST Not connected Tuner switch output FTUNER CD switch output Connected with VDD Not connected PB mute output...
  • Page 32 UX-A52 3. Pin function (2/2) UPD784216AGF(2/2) Pin No. Symbol Description Reference power supply +5 V AVREF Reference power supply +5 V AVREF0 Current detection SEFTY2 Current detection SEFTY3 LDCK Function switch key input FKEY1 Destination switch input VERSION Function switch key input...
  • Page 33 UX-A52 AN22000A-W (IC601) : RF head amp. 1. Pin layout 9 10 11 12 13 14 15 16 2. Block diagram 3TOUT NRFDET FEOUT TEOUT TEBPF VDET VREF 3. Pin function Pin No. Function Pin No. Function APC amp input terminal.
  • Page 34 UX-A52 UPD780024AGKB21 (IC251) : Unit micon 1. Pin layout 2. Pin function (1/2) Symbol Description P50/A8 Connected to GND P59/A9 Not used Pull-up +B MRDY Not used CDINDEX Not used CDEMP CD emphasis detection CDTNO CD track No. detection CDCOPY...
  • Page 35 UX-A52 2. Pin function (2/2) Symbol Function Connected to GND P10/AN10 Analog circuit reference voltage. Connected with analog circuit power supply AVREF Analog circuit power supply AVDD CD control reset input from IC801 /RESET Not used Connected with power supply...
  • Page 36 UX-A52 LC75345M-X (IC702) : E.volume 1. Pin layout 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 2. Block diagram LINP LINM LVref LOPOUT CONTROL CIRCUIT LOGIC Vref INTERFACE CIRCUIT CONTROL...
  • Page 37 UX-A52 3. Pin function Pin No. Symbol Function Serial data and clock input pin for control. Chip enable pin. Ground pin. LOPOUT Output pin of general-purpose operation amplifier. LINM Non-inverted input pin of general-purpuse operation amplifier. LINP Non-inverted input pin of general-purpuse operation amplifier.
  • Page 38 UX-A52 MN662790RSC (IC651) : Digital servo & processor 1.Pin layout 2.Pin function MN662790RSC (1/2) Pin No. Symbol Description BCLK Bit clock output for SRDATA LRCK Identifying signal output of L,R SRDATA Serial data output DVDD1 Power supply for digital circuit...
  • Page 39 UX-A52 2.Pin function MN662790RSC (2/2) Pin No. Symbol Functions PLLF2 Terminal for loop filter characteristic switch for PLL DSLBDA Non connect WVEL Non connect RF Signal output IREF Standard electric current input terminal Bias terminal for DSL DSLF Loop filter terminal for DSL...
  • Page 40 UX-A52 LA6541-X (IC801) : Servo 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 Level Regulator shift driver driver...
  • Page 41 UX-A52 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...
  • Page 42 UX-A52 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 43 UX-A52 LA72723 (IC3) : RDS demodulation 1. Pin layout RDS-ID/READY VREF RDCL MPXIN RDDA Vdda Vssa MODE FLOUT Vddd Vssd XOUT 2. Block Diagram FLOUT VREF Vdda CLOCK Vddd RECOVERY (1187.5Hz) REFERENCE (57kHz) VOLTAGE Vssa Vssd VREF 57kHz MPXIN (SCF)
  • Page 44 UX-A52 LA4628 (IC801) : Power amp. 1. Pin layout 2. Block diagram OUTPUT PPIN TO VCC RIPPLE SHORT PROTECTOR FILTER PREDRIVER -OUT1 POWER LOAD SHORT POWER PROTECTOR PREDRIVER POWER +OUT1 OUTPUT PIN TO GND PRE GND BIAS OVER VOLTAGE/ SHORT PROTECTOR...
  • Page 45 UX-A52 L4909 (IC802) : Regulator 1. Pin layout 9 10 11 12 13 14 15 2. Block diagram VINA THERMAL REFERENCE VINB REF+20% 3,13 SHUTDOWN GENERATOR REG1 REG1 ENABLE REG2 CONTROL REG3 REG2 OVER CURRENT CHECK TRIG REG3 3. Pin functions Pin No.
  • Page 46 UX-A52 KIA78S05P-T (IC803) : Reglator 1. Pin layout 2. Block diagram 3 INPUT 1 2 3 1 OUTPUT 2 COMMON XC62HR3502P-X (IC291) : Regulator 1. Pin layout 2. Block diagram VOUT Current Limit Output Voltage Control Reference 3. Pin function Pin No.
  • Page 47 UX-A52 BA3126N (IC331) : R / P switch 1. Pin layout & Block diagram AN7317 (IC332) : R / P amp 1. Pin layout & Block diagram 112k Mute 112k 2. Pin function Pin No. Function CH1 playback amp input...
  • Page 48 UX-A52 GP1UM271XK (IC901) : Remocon 1. Block diagram Com- Limiter B.P.F Demodu- Integrra- para- lator Vout BU4094BCF-X (IC333) : Shift / Store registor 1. Pin layout 2. Block diagram DATA VDD OUTPUT 8-STAGE SERIAL ENABLE SHIFT REGISTER OUTPUT CLOCK 8-BIT...
  • Page 49 UX-A52 < M E M O > 1-49...
  • Page 50 UX-A52 UX-A52 VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan 1-50 (No.21074) 200202...
  • Page 51 UX-A52 Block diagram IC901 MATRIX REMOCON L1006 FMA-006 IFOUT FMB-031-1 AC INPUT LEDCTL OSCOUT LOUT BLUE SCL,RS MUTE/IFOUT FM RF ROUT TUL,TUR GREEN RESET FM/AM S1001 FM/AM FMDET SQIN CN918 ST/MONO AM DET WITHOUT UP AMOSC CN908 AMRF TUDATA AM RF...

  • Page 52: Ux-A52

    UX-A52 UX-A52 Standard schematic diagrams Main & control circuit IC901 GP1UM271XK C2904 100P C2909 100P C2908 100P C2907 RESET 100P D2731 D2732 D2723 D2724 D2725 D2726 V5OUT J2003 CN701 GP1FA550TZ QGF1205C1-13 R2620 R2621 CN918 QGF1016F1-14 CN908 CN906 FW907 QUM024-10DGZ3 QGD2504C1-04Z...
  • Page 53 UX-A52 Power amplifier & Power supply circuit Q1701 DTA144WSA-T R1702 5.6K QQR0797-001 IC801 L1201 R1703 LA4628 5.6K DTA144WSA-T DTA144WSA-T R1704 5.6K C1205 INR4 R1705 R1101 10/35 R1201 3.9K 5.6K INL4 330P K1010 QQR0779-001Z 10/35 330P DTA144WSA-T 3.9K C1105 Q1704 L1101...
  • Page 54 UX-A52 UX-A52 Power amplifier & Power supply circuit (UP only) Q1701 DTA144WSA-T R1702 5.6K IC801 L1201 R1703 LA4628 5.6K DTA144WSA-T DTA144WSA-T R1704 5.6K C1205 INR4 R1705 R1101 10/35 3.9K 5.6K QQR0779-001Z R1201 INL4 330P K1010 10/35 330P DTA144WSA-T 3.9K C1105...
  • Page 55 UX-A52 CD control circuit R601 180k TBAL R602 FBAL C604 QGF1016F2-06 0.022 CN671 C603 0.022 C271 C272 C601 C602 0.001 0.001 SQCK R257 GCTL KCMND MSTAT KCLK R259 R263 IC251 R251 MCLK R262 R252 MDATA UPD7800F0034A R253 C256 0.1/25 R254...
  • Page 56 UX-A52 UX-A52 Tape circuit SG-105F3-BB,C Q3201 C3211 R3212 DTC114TKA 2.2K 0.0015 R3208 C3208 R3211 C3204 R3203 R3202 5.6K 4.7/25 0.033 2.4K 1.8K IC331 BA3126N R3304 R3378 CN715 QGA2001C1-13 R3301 IC332 AN7317 C3210 R3207 0.0068 R3371 C3110 0.0068 R3107 C3104 0.033...
  • Page 57 UX-A52 Tuner circuit 0.0039 0.47/50 0.0022 470P 0.047 22/16 0.27 1/50 0.047 22/16 0.001 10/16 10/16 100/10 1000P R8( D2) *C43 *C42 3.3K VCF2L3B-105Z LC72136N 1SS133-T2 LA1838 1SS133-T2 QNB0014-001 VCF2L3B-105Z 5.6K DTA114YKA-X QQR0793-001 150P 150P 150P 1/50 1.2K 0.022 QQR0796-002 0.047...
  • Page 58 UX-A52 UX-A52 Printed circuit boards Main board...
  • Page 59 UX-A52 Power amplifier board...
  • Page 60 UX-A52 UX-A52 Tuner board CD servo control board Forward side M851 CN651 R604 IC291 C658 CN601 Q631 C821 C606 R632 C605 R603 R805 R291 R292 R293 R809 C812 C802 R801 C611 C801 R804 C608 R803 R257 C657 R617 C612 R652...
  • Page 61 UX-A52 Traverse mechanism board (Forward side) (Reverse side) S602 CN601 (Traverse mechanism board) Cassette switch board 2-11...

  • Page 62: Area Suffix

    UX-A52 PARTS LIST [ UX-A52 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix US ---------------------- Singapore UP ---------------------------- Korea UW ---------- Brazil,Mexico,Peru UJ --------------------- U.S.Military - Contents - 3- 3 Exploded view of general assembly and parts list (Block No.M1) 3- 6 Cassette mechanism assembly and parts list (Block No.MP)
  • Page 63 UX-A52 < M E M O >...
  • Page 64 UX-A52 Exploded view of general assembly and parts list Block No. K1901 12 117...

  • Page 65: Ux-A52

    UX-A52 UX-A52 Parts list (General assembly) Block No. M1MM Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area Item Parts number Parts name Q'ty Description Area GV10076-019A FRONT PANEL QYSBST3006Z T.SCREW 1 TUNER PWB+ BTTM...
  • Page 66 UX-A52 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area QJA003-132520 WIRE QJA003-051700 SIN ID C-C WIRE WJN0074-001A E-SH C WIRE C-C --------------- TUNER MODULE 1 TUNER MODULE QMF51W2-R63-J8 FUSE QMF51W2-1R25-J8 FUSE US,UJ,UW FUSE...

  • Page 67: Cassette Mechanism Assembly And Parts List (Block No.mp)

    UX-A52 Cassette mechanism assembly and parts list Block No. Grease EM-60L FL-721 Caccette mecha Loading mecha...
  • Page 68 UX-A52 Parts list (Cassette mechanism) Block No. MPMM Item Parts number Parts name Q'ty Description Area C MECHA UNIT BDL1141-001M F513-884 HEAD BLOCK FF19Y MAIN BELT UJ16F-11 WASHER FLYWHEEL F522-064 FR26K FLYWHEEL F514-129 PINCH ROLLER PINCH ROLLER F514-130 TT.SCREW 1 2.6X4...
  • Page 69 UX-A52 CD mechanism assembly and parts list Block No. FMU-N1H-2M BACK SIDE Grease UD-24H2 EM-30L LEN-320M CD servo board BACK SIDE...
  • Page 70 UX-A52 Parts list (CD mechanism) Block No. MBMM Item Parts number Parts name Q'ty Description Area L.BASE ASSY LV32649-005A LV32651-002A CH.BASE ASSY QAR0176-001 FEED MOTOR VKZ4743-001 SPECIAL SCREW MOTOR GEAR LV42229-001A OPTIMA-725B1 CD PICK UP LV20993-002A RACK PLATE MINI SCREW QYSPSGT1735M C.D SHAFT...
  • Page 71 UX-A52 Electrical parts list (Mein board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area BZ201 QAN0045-001 BUZZER SOUNDER C1709 QDYB1CM-103Y C CAPACITOR CN801 QGB2510K2-12 CONNECTOR C1710 QETN1EM-337Z E CAPACITOR 330MF 20% 25V...

  • Page 72: Electrical Parts List (Block No.01~04)

    UX-A52 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area Q1701 DTA144WSA-T D.TR.I.M R2607 QRE141J-392Y C RESISTOR 3.9K 5% 1/4W Q1702 DTA144WSA-T D.TR.I.M R2608 QRE141J-102Y C RESISTOR 1.0K 5% 1/4W...
  • Page 73 UX-A52 Electrical parts list (Front board) Block No. 02 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area CN701 QGF1205C1-09 CONNECTOR TO TUNER C2601 NCB31CK-823X C CAPACITOR CN704 QGF1016C1-19 CONNECTOR TO CD MECHA C2602 NCB31CK-823X...
  • Page 74 UX-A52 Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C3319 QFLM1HJ-472Z M CAPACITOR TANK Q2705 KTC3875/GR/-X TRANSISTOR BACKUP CONT C3331 QEKJ1CM-476Z E CAPACITOR 47MF 20% 16V...
  • Page 75 UX-A52 Electrical parts list (Front board) Block No. 02 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area R2052 NRSA63J-222X MG RESISTOR R2228 QRE141J-472Y C RESISTOR 4.7K 5% 1/4W R2057 NRSA63J-222X MG RESISTOR R2229 NRSA63J-752X...
  • Page 76 UX-A52 Block No. 02 Electrical parts list (Front board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R2752 NRSA63J-221X MG RESISTOR R3376 NRSA02J-683X MG RESISTOR R2852 NRSA63J-100X MG RESISTOR SP709 LV30064-092A SPACER R2853 NRSA63J-222X...
  • Page 77 UX-A52 Electrical parts list (Tuner board) Block No. 03 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area NCB21HK-223X C CAPACITOR IC 2 LC72136N NCB21HK-103X C CAPACITOR QNB0014-001 ANT TERMINAL EETC1CM-106ZJC E.CAPACITOR QQR0796-002 COIL BLOCK...
  • Page 78 UX-A52 Electrical parts list (CD servo board) Block No. 04 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 254 QERF1AM-476Z E CAPACITOR 47MF 20% 10V C 862 NCB31HK-102X C CAPACITOR C 255 NCB31CK-104X...
  • Page 79 UX-A52 Electrical parts list (CD servo board) Block No. 04 Item Remarks Parts number Parts name Area R 634 NRSA63J-3R9X MG RESISTOR R 635 NRSA63J-100X MG RESISTOR R 636 NRSA63J-151X MG RESISTOR R 651 NRSA63J-102X MG RESISTOR R 652 NRSA63J-102X...
  • Page 80 UX-A52 < M E M O > 3-19...

  • Page 81: Packing Materials And Accessories Parts List (Block No.m3,M5)

    UX-A52 Packing materials and accessories parts list Block No. Block No. A1 A8 3-20...

  • Page 82: Parts List

    UX-A52 Parts list (Packing) Block No. M3MM Item Parts number Parts name Q'ty Description Area QPC02503515P POLY BAG GV20154-002A CARTON ASSY 1 MASTER PACKING GV10087-001A CUSHION(TOP) GV10088-001A CUSHION(BOTTOM) QPC05005015P POLY BAG 700-120070-10 POLY BAG MIRROR MAT 715-250035-00 720-TUXF70-00 TOP CUSHION...

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