JVC RS-WP1WT Service Manual
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JVC RS-WP1WT Service Manual

JVC RS-WP1WT Service Manual

Cd portable system
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Download this manual See also: Instruction Manual
SERVICE MANUAL
TIMER
CLOCK
TIMER
ON/OFF
STAND BY/ON
SLEEP
DOWN
UP
SET
PROGRAM
RANDOM
AUTO
PRESET
REPEAT
TUNER
AUX
C D
TAPE
BAND
FM MODE
REVERSE MODE
REW
MULTI CONTROL
FF
DISPLAY
BASS/
TREBLE
AHB PRO
VOLUME
RM-SRSWP1J
REMOTE CONTROL
Contents
Safety Precautions
CD PORTABLE SYSTEM
CD PORTABLE SYSTEM RS-WP1
STANDBY
STANDBY/ON
BAND
REW
1-2
1-3
1-4
1-5
1-17
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
FF
operation unit Toc read
Description of major ICs
RS-WP1WT
J -------------------------- U.S.A
1-21
1-22
1-22
1-23
No.20943
May. 2001

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Summary of Contents for JVC RS-WP1WT

  • Page 1: Table Of Contents

    RS-WP1WT SERVICE MANUAL CD PORTABLE SYSTEM RS-WP1WT CD PORTABLE SYSTEM RS-WP1 STANDBY STANDBY/ON Areas suffix BAND J -------------------------- U.S.A TIMER CLOCK TIMER ON/OFF STAND BY/ON SLEEP DOWN PROGRAM RANDOM AUTO PRESET REPEAT TUNER TAPE BAND FM MODE REVERSE MODE MULTI CONTROL...
  • Page 2 RS-WP1WT 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: Important For Laser Products

    RS-WP1WT 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 4: Preventing Static Electricity

    RS-WP1WT 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 5: Disassembly Method

    RS-WP1WT Disassembly method Removing the front panel assembly / rear panel assembly (See Fig.1) Remove the nine screws A attaching the rear panel assembly on the back of the body. Pull out the front panel assembly and the rear panel assembly.
  • Page 6 RS-WP1WT Joint a Joint a Removing the function switch board (See Fig.4) Function switch board Prior to performing the following procedures, remove CN921 the rear panel assembly. Disconnect the card wire from connector CN921 on the function switch board. Remove the two screws D and move the function switch board in the direction of the arrow to disengage the two joints a.
  • Page 7 RS-WP1WT Removing the LCD board (See Fig.7 and 8) LCD board Prior to performing the following procedures, remove the rear panel assembly and the function switch Bracket board. Remove the four screws E attaching the bracket. Disconnect the card wire from connector CN421, CN422 and the wire from CN913 on the LCD board respectively.
  • Page 8 RS-WP1WT Removing the main board / sub (1) board Rear panel assembly / sub (2) board (See Fig.11 to 13) Prior to performing the following procedures, remove the rear panel assembly, the CD mechanism assembly section and the LCD board.
  • Page 9 RS-WP1WT Removing the remocon board (See Fig.14) Remocon board Prior to performing the following procedure, remove LCD board the rear panel assembly. CN913 Remove the screw M attaching the remocon board and disconnect the wire from connector CN913 on the LCD board.
  • Page 10 RS-WP1WT Removing the power board (See Fig.16 to 18) CN103 Prior to performing the following procedures, remove the rear panel assembly. CN102 Power board Disconnect the wire from connector CN101, CN102 and CN103 on the power board. Remove the four screws O attaching the power board.
  • Page 11 RS-WP1WT Removing the connection board (See Fig.19) Prior to performing the following procedures, remove the rear panel assembly. Disconnect the wire from connector CN102 on the power board. Remove the two screws P and pull out the connection board. Connection board CN112 Fig.19...
  • Page 12 RS-WP1WT <CD mechanism assembly section> CD mechanism cover Prior to performing the following procedures, remove the rear panel assembly and the CD mechanism assembly section. Removing the CD mechanism assembly (See Fig.22 to 26) CAUTION: Prior to disconnecting the flexible wire...
  • Page 13 RS-WP1WT Removing the CD servo board (See Fig.27) FW616 FW626 Prior to performing the following procedure, remove the CD servo assembly. Remove the four screws S retaining the CD servo board. OPEN / CLOSE switch board Unsolder FW616 where the wire extending from the OPEN / CLOSE switch board is soldered.
  • Page 14 RS-WP1WT <Cassette mechanism section> Cassette mechanism Removing the playback / recording & eraser head (See Fig. 1 to 3) While shifting the trigger arms seen on the right side of the head mount in the arrow direction, turn the flywheel R in counterclockwise direction until the Flywheel R head mount has gone out with a click (See Fig.
  • Page 15 RS-WP1WT Removing the head amplifier & mechanism control board (See Fig. 4) Remove the cassette mechanism assembly. Belt Disconnet the flexible wire from connctor CN31 to CN32 Main motor the flexible board. assembly After turning over the cassette mechanism assembly, remove the three screws A retaining the head amplifier &...
  • Page 16 RS-WP1WT Removing the flywheel (See Fig. 7 and 8) Remove the head amplifier & mechanism control P.C. board. Flywheel R Flywheel L Remove the main motor assembly. After turning over the cassette mechanism, remove the two slit washers 1 and fixing the capstan shafts R and L, and pull out the flywheel R and L respectively from behind the cassette mechanism.

  • Page 17: Adjustment Method

    RS-WP1WT Adjustment method Tuner section Measuring devices necessary for adjustment Voltage input to the tuner ......+B: DC 5.7 V 1. Low-frequency oscillator VT: DC 12 V It must have the ability to output 600ohm from 0 dBs Standard measuring output ..26.1 mV (0.28 V)/3ohm at an oscillation frequency of 20 Hz-50 Hz.
  • Page 18 RS-WP1WT Location of parts to be adjusted Cassette handling mechanism Cassette handling mechanism (reverse side) Head for recording, playing and erasing the tape Head azimuth adjusting Head azimuth adjusting screw (fast-forward) screw (rewind) CN31 Head for recording, Head azimuth adjusting...
  • Page 19 RS-WP1WT Adjustment of cassette handling mechanism Items Condition Method for adjustment Standard Parts to be and confirmation value adjusted Confirmation Test tape: VT-703 (10 kHz) (1) Play back the VT-703 test tape. Maximum Adjust the of head angle Measuring output terminal:...
  • Page 20 RS-WP1WT Standard values for confirmation of electronic performance Items Condition Method for adjustment Standard Parts to be and confirmation value adjusted Erasing Fast-forward and Load the test tape (AC-514 for TYPE II, TYPE II: 110 current rewind direction: AC-225 for TYPE I) into the tape...

  • Page 21: Flow Of Functional

    RS-WP1WT Flow of functional operation until TOC read Check Point Slider turns REST Play Key Power ON Confirm that the voltage at the pin3 SW ON. of CN612 is "H"\"L"\"H". Automatic tuning of TE offset Check that the voltage at the...

  • Page 22: Maintenance Of Laser Pickup

    RS-WP1WT Replacement of laser pickup Maintenance of laser pickup (1) Cleaning the pick up lens Before 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 23 RS-WP1WT Description of major ICs LA4905 (IC101) : Power amp IC 1. Terminal layout 2. Block diagram Vcc(SW) STBY Switching Standby SW regulator block Ripple H.L.S. SW B filter drive A B C D SW E H.L.S. : SW OUT1...
  • Page 24 RS-WP1WT BA15218F-XE (IC201, IC701) : Dual operation amplifier 1. Terminal layout OUT1 1 8 Vcc -IN1 2 7 OUT2 +IN1 3 6 -IN2 VEE 4 5 +IN2 2. Block diagram OTHER Q114 OUTPUT GP1U281X (IC801, IC802) : Receiver for remote controller –...
  • Page 25 RS-WP1WT KIA78R06PI(IC381) US 6V 1. Terminal layout 2. Block diagram V IN 1 V 0 BANDGAP REFERENCE PROTECTION OUTPUT ON/OFF 1 2 3 CONTROL Control OVERHEAT PROTECTION KIA78R08PI(IC301) SW 8V REGULATOR 1. Terminal layout 2. Block diagram V IN 1 V 0...
  • Page 26 RS-WP1WT LC72136N (IC2) : PLL frequency synthesizer 1. Terminal 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 27 RS-WP1WT LC75342 (IC501) : E. volume 1. Terminal layout 2. Block diagram LVref CONTROL CIRCUIT LOGIC CIRCUIT INTERFACE CONTROL RVref CIRCUIT 3. Pin function Function Function Symbol Symbol Serial data and clock input for IC control Input signal connections Chip enable...
  • Page 28 RS-WP1WT MN101C38CHX (IC901) : System controller Pin No. Symbol Function COM 3~0 FL grid control signal output VLC 3~1 Power supply +5V 9,10 OSC2,1 Oscillation terminal (8MHz) Connect to GND 12,13 XI,XO Sub clock (32.768kHz) MMOD Connect to GND VREF-...
  • Page 29 RS-WP1WT MN35530 (IC601) : Digital servo & processor 1. Terminal layout 2. Pin function Symbol Function Symbol Function DVD3V Power supply ADPVCC Vcc for A/D input Data input DSLF Loop filter pin for DSL Data input Bias pin for DSL input...
  • Page 30 RS-WP1WT MN101C30AHY (IC602) : CD micon 1. Terminal layout 2. Pin function Symbol Function Symbol Function Connect to GND DOOR Door open/close sw detection input Connect to GND O MUTE Muting output Connect to GND DMUTE Digtal mute output Connect to GND...
  • Page 31 RS-WP1WT AN4801SB-W (IC603) : BTL DRIVER 1. Terminal layout 2. Block diagram SPIN 28 FIN2 27 FIN1 TRVIN 26 TRIN 25 FOIN RESET 24 VREF 23 SVCC 22 NC PGND1 21 NC PVCC1 20 STBY TRV- 19 PGND2 TRV+ 18 PVCC2...
  • Page 32 RS-WP1WT AN8838SB(IC604) : RF & Servo AMP 1. Terminal layout 2. Block diagram 28 PDF 27 PDE 26 VREF 25 TEOUT 24 TEN RFFB 23 TBAL 22 FBAL RF IN 21 FEN 20 FEOUT 19 ENV CSBRT 18 LDON 17 OFTR...
  • Page 33 RS-WP1WT M11L1644SA-50T (IC605) : D RAM 1. Terminal layout 2. Pin Function Symbol Function VSS1 A0-A10 Address Input Low Address strove Column Address Strove Write enable Input Output Enable Input DQ0-DQ3 Data in/out VCC, VCC1 Power Supply (+3.3V) VSS, VSS1...
  • Page 34 RS-WP1WT TA2104AN(IC1) : RadioTuner 1. Terminal layout & Block diagram FM RFout RF V CC AM RFin FM OSC AM OSC OSC OUT ST LED IF REQ DET OUT LPF1 LPF2 BUFF DECODE BUFF DIVIDE BUFF LEVEL BUFF 1 / 8...
  • Page 35 RS-WP1WT VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan No.20943 200105...

  • Page 36: Areas Suffix

    RS-WP1WT PARTS LIST [ RS-WP1WT ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J ----------------------------- U.S.A. - Contents - Exploded view of general assembly and parts list 3- 3 Cassette mechanism assembly and parts list...
  • Page 37 RS-WP1WT < M E M O >...
  • Page 38 RS-WP1WT Exploded view of general assembly and parts list Block No. Switch board LCD board AUX board Function amplifier CD door board switch board Input board CD board Optical digital out board Tuner board Remocon board Headphone jack board Power...
  • Page 39 RS-WP1WT Parts list (General assembly) Parts list (General assembly) Block No. M1MM Block No. M1MM Item Parts number Parts name Q'ty Description Area Item Parts number Parts name Q'ty Description Area LV10484-002A FRONT CABI ASSY QYSBSF3010Z SCREW CD CHASSIS+SW PWB...
  • Page 40 RS-WP1WT Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area LV32701-001A STAND SUPPORT FMJA3001-00A ROD ANT ASS'Y VYH5012-002 LUG TERMINAL QYSDSP3008Z SCREW LV42244-001A ANT.HOLDER QYSBSF3010Z SCREW FOR ANT HOLDER LV42379-201A ANTENA HOLDER LV32539-001A LCD HOLDER...
  • Page 41 RS-WP1WT Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area QUQ412-0909CJ FFC WIRE FUNCTION-CD QUQ412-0920CJ FFC WIRE FUNCTION-TUNER QUQ412-0910DJ FFC WIRE FUNCTION-SLC QUQ412-1010DJ FFC WIRE FUNCTION-SLC QUQ412-1807CJ FFC WIRE FUNCTION-MICOM QUQ412-1707CJ FFC WIRE FUNCTION-MICOM...
  • Page 42 RS-WP1WT Cassette mechanism assembly and parts list Block No. SLC-S31M Grease = EM-30L =UD-24 =UD-24H2 =LEN-320M =JC-888B =MOBIL-1 The lower side Cassette switch board Head amplifier & mechanism board...
  • Page 43 RS-WP1WT Parts list (Cassette mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area VKS1165-00J CHASSIS B.ASS'Y VKS2274-002 REEL GEAR VKW5286-002 B.T. SPRING VKS5559-001 PLAY IDLE GEAR VKS5597-00B BLIND VKW5296-001 EARTH SPRING SLC-RP1SVM HEAD MOUNT ASSY VKY3149-002 CASSETTE SP.
  • Page 44 RS-WP1WT Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area BS401 VYH5483-101 SPRING FOR UM-1 C5202 QTE1H28-475Z E CAPACITOR BS402 VYH5483-101 SPRING FOR UM-1 C5203 QETN1HM-105Z E CAPACITOR 1.0MF 20% 50V...
  • Page 45 RS-WP1WT Electrical parts list (Main board) Block No. 01 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area L5351 QQL244K-100Z INDUCTOR R2701 NRSA63J-153X MG RESISTOR Q2101 2SC2412K/R/-X TRANSISTOR R2802 NRSA63J-472X MG RESISTOR Q2103 2SC2412K/R/-X TRANSISTOR...
  • Page 46 RS-WP1WT Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area R7209 NRSA63J-222X MG RESISTOR R7210 NRSA63J-102X MG RESISTOR R7251 NRSA63J-0R0X MG RESISTOR R7252 NRSA63J-183X MG RESISTOR R7254 NRSA63J-393X MG RESISTOR R7351 NRSA63J-472X MG RESISTOR...
  • Page 47 RS-WP1WT Electrical parts list (Micom board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area CN101 QGA2501C1-06 6P CONNECTOR C9045 NCB31HK-102X C CAPACITOR CN102 QGA2501C1-04 4P CONNECTOR C9046 NCB31HK-103X C CAPACITOR CN103...
  • Page 48 RS-WP1WT Electrical parts list (Micom board) Block No. 02 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area R1102 QRE141J-2R2Y C RESISTOR 2.2 5% 1/4W R9050 NRSA63J-222X MG RESISTOR R1111 NRSA63J-152X MG RESISTOR R9051 NRSA63J-103X...
  • Page 49 RS-WP1WT Electrical parts list (CD servo board) Block No. 03 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area CN611 QGF1004F4-16 16PIN CONNECTOR D6301 1SS133-T2 SI DIODE CN612 QGA2001C1-06 6P PLUG ASSY D6302 1SS133-T2 SI DIODE...
  • Page 50 RS-WP1WT Electrical parts list (CD servo board) Block No. 03 Item Parts number Parts name Remarks Area R6401 NRSA63J-223X MG RESISTOR R6402 NRSA63J-333X MG RESISTOR R6403 NRSA63J-473X MG RESISTOR R6404 NRSA63J-393X MG RESISTOR R6405 QRZ9006-4R7X F RESISTOR 4.7 1/0W R6406...
  • Page 51 RS-WP1WT Electrical parts list (Tuner board) Block No. 04 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area QCSB1HK-5R6Y C CAPACITOR 5.6PF 10% 50V QRE141J-473Y C RESISTOR 47K 5% 1/4W QDYB1CM-103Y C CAPACITOR QRE141J-220Y C RESISTOR...
  • Page 52 RS-WP1WT Electrical parts list (Head amplifier & mechanism board) Block No. 05 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 101 NCS21HJ-821X C CAPACITOR IC 33 BU4094BCF-X C 102 NCS21HJ-221X C CAPACITOR L 301...
  • Page 53 RS-WP1WT Electrical parts list (Head amplifier & mechanism board) Block No. 05 Item Parts number Parts name Remarks Area R 315 NRSA63J-100X MG RESISTOR R 316 NRSA63J-223X MG RESISTOR R 317 NRSA63J-100X MG RESISTOR R 319 NRSA63J-152X MG RESISTOR R 322...
  • Page 54 Parts list (Accessories) Block No. M4MM Item Parts number Parts name Q'ty Description Area LVT0682-001B INST.BOOK BT-52004-1 WARRANTY CARD BT-51018-2 WARRANTY CARD BT-20044G WARRANTY CARD BT-20071B JVC CENTER LIST BT-51020-2 J=REGIST CARD LV32785-001A SHOULDER BELT QAL0325-001 AC ADAPTOR RM-SRSWP1J REMOCON 3-19...
  • Page 55 RS-WP1WT In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "...
  • Page 56 RS-WP1WT Block Diagram Pick up CN402 CN711 CN341 SMUTE CN624 POUT FW914 VDATA. VCLK CN913 CN911 FW923 CN921 FW301 FW311 CN101 CN103 CN102 FW111 CN112...
  • Page 57 RS-WP1WT...
  • Page 58 RS-WP1WT Standard schematic diagrams System control circuit R9027 R9027 Q9002 Q9002 DI901 DI901 KTC3195/O/-T KTC3195/O/-T 2.2K 2.2K QLD0171-001 QLD0171-001 C9030 R9028 R9028 8.2K C9031 C9031 X9002 X9002 QAX0416-001Z QAX0416-001Z C9032 C9032 C9033 C9033 R9025 R9025 S8001 S8001 8.2K Q9001 Q9001...
  • Page 59 RS-WP1WT RS-WP1WT Function amplifier circuit CN381 CN381 CN382 CN382 820P 820P C2204 C2204 QGF1205C1-18 QGF1205C1-18 R2206 R2206 QGF1205C1-17 QGF1205C1-17 C2201 C2201 R2201 R2201 IC101 IC101 LA4905 LA4905 C2202 C2202 0.12 0.12 4.3K 4.3K 0.12 0.12 C1102 C1102 DTC144TKA-X DTC144TKA-X 150P...
  • Page 60 RS-WP1WT CD servo control circuit SCMD SCMD R6202 R6202 SCLK SCLK R6203 R6203 SRST SRST R6205 R6205 SREADY SREADY SSTAT SSTAT DOOR DOOR SQCK SQCK SUBQ SUBQ R6206 R6206 C6203 C6203 2.2k 2.2k 0.001 0.001 SMCK SMCK C6202 C6202 QAX0416-001Z...
  • Page 61 RS-WP1WT RS-WP1WT Cassette amplifire section SG-10SF3 FA1A4ZX Q102 1SR139-100T 0.033 C104 R108 5.6K R104 1.2K MSI-5U2LWA R102 Q101 FA1A4ZX 1.8K IC31 BA3126N R304 C111 R112 2.2K 0.0012 FW31 CN32 QGB2011M1-10 VWS304-06A13K R111 R301 IC32 C374 AN7317 R211 100/10 C211 R212 VGH0425-544 2.2K...
  • Page 62 RS-WP1WT Tuner circuit QFP31HJ-431Z QQR0723-001 SVC344-T 0.047 QQR0769-001 SVC203SPA-JV-T SVC203SPA-JV-T TA2104AN 0.015 0.047 0.047 3.3K 330P 0.0022 0.015 1SS133-T2 2.2/50 2.2K 100/10 QAX0540-001 DSK10C-T1 100K LC72136N 0.001 DATA PERIOD AM/RADIO SIGNAL FM/RADIO SIGNAL...
  • Page 63 RS-WP1WT RS-WP1WT Printed circuit boards Micom board Block No. D2405 D2404 R1026 Q1022 S8001 R1024 D2304 CN103 D2305 IC801 S8011 R1012 R1011 C1112 R1013 D8001 D1021 S8002 C1033 R1202 R8020 C1111 C1204 R8021 R8201 R1201 C2404 R2405 S8010 C1203 C2405...
  • Page 64 RS-WP1WT Main board Block No. CN382 D7602 Q3572 Q3571 W3001 R7802 R7601 D3502 D3503 Q7101 R7103 ANTG R7102 Q7802 R7101 C3511 R7506 Q7801 R7201 R7202 R7106 R7107 R7105 R7203 Q7201 C7101 Q3501 Q3511 R7507 TDATA C7103 D7031 R7532 C7102 R7508...
  • Page 65 RS-WP1WT RS-WP1WT CD servo board Block No. Top view Bottom view R6408 C6412 R6406 R6407 R6322 R6321 C6321 C6402 C6320 C6410 IC604 R6320 R6405 R6414 R6405 C6402 C6410 C6411 Q6401 CN611 R6404 C6411 IC603 R6310 C6407 CN611 C6406 R6417 R6413...
  • Page 66 RS-WP1WT " Tuner Board Block No. 2-13...
  • Page 67 RS-WP1WT Head amplifier & mechanism board Block No. Cassette switch board Block No. 2-14...
  • Page 68 RS-WP1WT 2-15...

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