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JVC VS-DT9R Service Manual
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JVC VS-DT9R Service Manual

JVC VS-DT9R Service Manual

Compact component system
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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
VS-DT9R / VS-DT6R
STANDBY/ON
1
2
3
PLAY MODE
4
5
6
REPEAT
7
8
9
FM MODE
10
+
10
BASS
TREBLE
SET
MD/AUX
CANCEL
PTY
PTY
TA/NEWS
SEARCH
SELECT
/INFO
DISPLAY
FM/AM
MODE
DIMMER
SLEEP
AHB PRO
DISPLAY
CLOCK
OPEN/
COLOR
/TIMER
CLOSE
VOLUME
RM-SVSDT9R REMOTE CONTROL
SP-VSDT9
STANDBY/ON
1
2
3
PLAY MODE
4
5
6
REPEAT
8
9
7
FM MODE
10
+
10
BASS
TREBLE
SET
MD/AUX
CANCEL
PTY
PTY
TA/NEWS
SEARCH
SELECT
/INFO
DISPLAY
FM/AM
MODE
DIMMER
SLEEP
AHB PRO
DISPLAY
/TIMER
CLOCK
CLOSE
OPEN/
VOLUME
RM-SVSDT6R REMOTE CONTROL
SP-VSDT6
Contents
Safety precautions
Preventing static electricity
Important for laser products
Disassembly method
Flow of functional operation
until TOC read
COMPACT COMPONENT SYSTEM
CA-VSDT9R
COMPACT COMPONENT SYSTEM
CA-VSDT6R
1-2
1-4
1-5
1-6
1-16
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
B ------------------------------- U.K.
E ----------- Continental Europe
EN ------------ Northern Europe
EV -------------- Eastern Europe
SP-VSDT9
SP-VSDT6
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
VS-DT9R/VS-DT6R
Area suffix
1-17
1-17
1-18
30
No.21071
Mar. 2002

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  • Page 1 VS-DT9R/VS-DT6R SERVICE MANUAL COMPACT COMPONENT SYSTEM VS-DT9R / VS-DT6R Area suffix B ------------------------------- U.K. E ----------- Continental Europe EN ------------ Northern Europe EV -------------- Eastern Europe COMPACT COMPONENT SYSTEM STANDBY/ON PLAY MODE REPEAT FM MODE BASS TREBLE MD/AUX CANCEL TA/NEWS...
  • Page 2 VS-DT9R/VS-DT6R 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 VS-DT9R/VS-DT6R (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

    VS-DT9R/VS-DT6R 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: Important For Laser Products

    VS-DT9R/VS-DT6R 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 6: Disassembly Method

    VS-DT9R/VS-DT6R Disassembly method Top lens <Main body section> Removing the top lens [VS-DT9R only] (See Fig. 1.) From the top side of the main body, remove the four screws A attaching the top lens. Fig.1 Removing the bottom panel Top panel (See Figs.
  • Page 7 VS-DT9R/VS-DT6R Removing the CD mechanism assembly (See Fig. 5.) Remove the top lens. [VS-DT9R only] CD mechanism assembly Remove the bottom panel. Remove the top panel. CN802 From the top side of the main body, disengage the claw c of the CD mechanism assembly and then LED board remove the push button.
  • Page 8 VS-DT9R/VS-DT6R Removing the tuner board (See Figs. 8 and 9.) Notch Remove the top lens. [VS-DT9R only] CD mechanism Remove the bottom panel. assembly wire Remove the top panel. Speaker board Remove the CD mechanism assembly. Tie band CN101 Disconnect the card wire from connector CN111 on CN102 the main board.
  • Page 9 VS-DT9R/VS-DT6R Removing the main board (See Figs. 10 and 11.) Remove the top lens. [VS-DT9R only] Main board Power transformer Remove the bottom panel. Remove the top panel. Wire clamp Remove the CD mechanism assembly. Remove the front panel assembly.
  • Page 10 VS-DT9R/VS-DT6R Removing the power transformer (See Fig. 13.) Remove the top lens. [VS-DT9R only] Tie band Remove the bottom panel. Power transformer Main board Wire clamp Remove the top panel. Remove the CD mechanism assembly. Disengage the wire clamp and tie band bundling CN191 the wires of the power transformer.
  • Page 11 VS-DT9R/VS-DT6R <Front panel assembly section> Door motor assembly Remove the top lens. [VS-DT9R only] Front switch board Remove the bottom panel. Remove the top panel. Remove the CD mechanism assembly. Remove the front panel assembly. Removing the front switch board Front panel assembly (See Fig.
  • Page 12 VS-DT9R/VS-DT6R <CD mechanism assembly section> Claw a Removing the LED board (See Fig. 1.) LED board From the top side of the CD mechanism assembly, disengage the claw a of the top chassis attaching the LED board and then remove the LED board.
  • Page 13 VS-DT9R/VS-DT6R Removing the traverse mechanism assembly (See Fig. 4.) Traverse mechanism CD servo board assembly bracket Remove the CD servo board. Remove the two screws C attaching the CD servo board bracket. Remove the two screws D attaching the traverse mechanism assembly.
  • Page 14 VS-DT9R/VS-DT6R Attaching the pickup unit Section f (See Figs. 7 and 8.) [Reference] Refer to the explanation of "Removing the pickup unit" on the preceding page. Attach the P.S. spring and rack plate to the pickup unit. Groove g Insert the shaft into the pickup unit.

  • Page 15: Removing The Switch Board

    VS-DT9R/VS-DT6R Removing the switch board (See Fig.10.) CD mechanism assembly Clamper base assembly Remove the CD mechanism assembly. From the top side of the CD mechanism assembly, remove the screw K attaching the switch board. Lift the switch board slightly and then remove the wire from connector CN101 on the switch board.

  • Page 16: Flow Of Functional Operation Until Toc Read

    VS-DT9R/VS-DT6R Flow of functional operation until TOC read Check Point Slider turns REST Power ON Play Key Confirm that the voltage at the pin3 SW ON. of CN611 is "H"\"L"\"H". Automatic tuning of TE offset Laser ON Detection of disc...

  • Page 17: Maintenance Of Laser Pickup

    VS-DT9R/VS-DT6R 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 18: Description Of Major Ics

    VS-DT9R/VS-DT6R Description of major ICs MN101CP30AKJ (IC701) : System control microcomputer 1. Terminal layout 2. Pin function Pin No. Symbol Function THERM Temperature detection, ON/OFF control of FAN_SW signal(pin 57) KEY1 Key switch input of the main body KEY2 Key switch input of the main body...

  • Page 19: Kia78S06P (Ic702) : Regulator

    VS-DT9R/VS-DT6R Pin No. Symbol Function Not connect Not connect Not connect CDRSI CD reset output (Connect to FMU-F1.) Not connect BLCTL Not connect PSAVE Power save mode ON/OFF signal, SAVE=H CD power supply ON/OFF, not use POUT Main power supply ON/OFF...
  • Page 20 VS-DT9R/VS-DT6R MN662790RSC (IC651) : Digital servo & Digital signal prossesor 1. Terminal layout 2. Pin function Pin No. Symbol Function BCLK Bit clock output for SRDATA LRCK LR signal separation output SRDATA Serial data output DVDD1 Power supply for digital circuit...
  • Page 21 VS-DT9R/VS-DT6R Pin No. Symbol Function PLLF2 Not use DSLBDA Not use WVEL Not use RF signal input IREF Referrence current input Bias pin for DSL DSLF Loop filter pin for DSL PLLF Loop filter pin for PLL VCOF Loop filter pin for VCO...
  • Page 22 VS-DT9R/VS-DT6R UPD780024AGKB62 (IC251) : Unit microcomputer 1. Terminal layout 2. Pin function Pin No. Symbol Function P50/A8 Connect to ground P59/A9 Not use Synchronous/asynchronous output MRDY Ready signal input CDINDEX Not use CDEMP Not use CDTNO Not use CDCOPY Not use...
  • Page 23 VS-DT9R/VS-DT6R Pin No. Symbol Function Connect to external crystal oscillator VSS1 Ground terminal FLAG Flag signal input BLKCK Sub code block clock signal input /RFDET RF signal amplitude detecting signal input EQx2 Equalizer select signal input EQx4 Equalizer select signal input...
  • Page 24 VS-DT9R/VS-DT6R MN101CP35DKB (IC811) : FL driver microcomputer 1. Terminal layout 2. Pin function Pin No. Symbol Function Not connect FLDATA FL driver communication data input/output FLCLK FL driver communication clock input Not connect FLCS FL driver communication chip select input...
  • Page 25 VS-DT9R/VS-DT6R AN22000A (IC601) : RF & Servo amplifier 1. Terminal layout 2. Block diagram 3TOUT VDET /RFDET FEOUT TEOUT TEBPF OFTR OFTR 3TENV VDET COFTR SUBT SUBT CBDO FBAL TBAL C.AGC GCTRL RF IN NRFDET RF OUT RF_EQ 3. Pin function...

  • Page 26: La1838 (Ic1) : Fm Am If Amplifier & Detector, Fm Mpx Decoder

    VS-DT9R/VS-DT6R LA1838 (IC1) : FM AM IF amplifier & Detector, FM MPX Decoder 1. Terminal layout & Block diagram DECODER ANIT-BIRDIE P-DET BUFF RF.AMP MUTE STEREO AM IF PILOT 384KHz COMP S-METER AM/FM S-CLRVE S-METER IF-BUFF TUNING STEREO DRIVE DRIVE FM IF 2.
  • Page 27 VS-DT9R/VS-DT6R LA6575H (IC801) : Focus & Spindle & Feed & Tracking BTL driver 1. Terminal layout 2. Block diagram 28 27 26 25 24 23 22 21 20 19 18 17 16 15 Signal Input MUTE system power MUTE is as follows:...
  • Page 28 VS-DT9R/VS-DT6R LC72136N (IC2) : PLL frequency synthesizer 1. Terminal layout 2. Block diagram XOUT Phase Reference Detector Driver LPFOUT Charge Pump LPFIN Swallow Counter ST/MONO Unlock FMOSC 1/16,1/17 4bit Detector AM/FM AMOSC IF REQ SDIN FM/AMIF 12bit Programmable Drivers Universal Data Shift Register &...
  • Page 29 1. A OUTPUT 2. A -INPUT 3. A +INPUT 4. V - 5. B +INPUT 6. B -INPUT 7. B OUTPUT 8. V + RPM6938-SV4 (IC801:VS-DT9R,IC802:VS-DT6R,IC812) : Remote control receiver 1. Block diagram Comp Detector conversion trimming circuit magnetic shield 1-29...
  • Page 30 VS-DT9R/VS-DT6R LC75342M (IC501) : E. volume 1. Terminal layout 2. Block diagram RSELO RTRE RBASS1 RBASS2 ROUT DATA CLOCK VREF TEST ROUT LOUT RBASS2 LBASS2 TEST RBASS1 LBASS1 RTRE LTRE LVref CONTROL CIRCUIT RSELO LSELO LOGIC DATA CIRCUIT INTERFACE CLOCK...
  • Page 31 VS-DT9R/VS-DT6R 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.21071 200203...

  • Page 32: Block Diagram

    VS-DT9R/VS-DT6R Block diagram CD servo board Main board Switch board IC601 IC812 RF & Servo Front Pickup amplifier REMOCON IC811 DI811 Switch board Loading motor board driver display MICOM IC251 Unit MICOM IC701 LVA10324-A2 Loading System STANDBY LED motor Sensor board...

  • Page 33: Standard Schematic Diagrams

    VS-DT9R/VS-DT6R VS-DT9R/VS-DT6R Standard schematic diagrams (To D-1 on page 2-4) (To G-3 and G-4 on page 2-6) System control section CN111 CN171 QGF1205C1-13 QGF1016C1-17 K7003 QQR1183-001Z C7201 C7210 0.01 Q7005 KRC102-X R7201 2.7K R7202 2.7K Q7006 KRA102S-X Q7008 DTA114TKA-X STBDIM...
  • Page 34 VS-DT9R/VS-DT6R Power amplifier/Power supply section J3601 J3001 GP1FA550TZ R5305 S3601 QSW0454-001 2SD2114K/VW/-X 2SC2412K/R/-X 2SD2114K/VW/-X Q1101 Q1115 Q1102 R1116 R1111 2.2K R1118 R1112 QGA2501C1-05 QGA2501C1-04 3.3K CN102 CN101 C5104 R1108 10/16 C1109 0.0022 R1114 R1307 R1309 9.1K C5107 C1103 C1104 R1110...
  • Page 35 VS-DT9R/VS-DT6R VS-DT9R/VS-DT6R Tuner section QAU0160-001 0.0039 0.47/50 0.0022 0.047 22/50 1/50 0.047 470P 0.02 22/16 3.9K 10/25 10/16 0.001 10/16 1SS133-T2 100/16 1000P 1SS133-T2 0.018 0.018 3.3K QAX0420-001 LC72136N 1SS133-T2 LA1838 2SC1623/5-6/-X 2SC1623/5-6/-X 1SS133-T2 QNB0153-001 DTA114YKA-X QAX0458-001Z 5.6K DTA114YKA-X QQR0793-001...
  • Page 36 VS-DT9R/VS-DT6R CD servo control section R601 220k TBAL R602 FBAL C604 0.022 CN671 C603 0.022 C607 C601 C602 SQCK R257 /SW3 GCTL KCMND /SW2 R259 MSTAT KCLK R263 IC251 R251 MCLK R262 R252 MDATA UPD780024AGKB62 R253 R254 /DMUTE STAT /RESET...
  • Page 37 VS-DT9R/VS-DT6R VS-DT9R/VS-DT6R FL control section DI811 QLF0100-001 C805 0.01/50 C810 C803 C808 C811 C804 100P/50 4.7/50 0.01/50 100P/50 4.7/50 C802 C801 CN811 0.01 100/6.3 QGF1016F2-17W C814 100P/50 C813 100P/50 X811 R893 NAX0248-001X FLDATA R892 FLCLK R891 FLCS Q821 IC811 DTC114TKA-X C812 0.01/50...

  • Page 38: Printed Circuit Boards

    VS-DT9R/VS-DT6R Printed circuit boards Main board (Speaker board) (LED board) [VS-DT9R] CN103 C5504 (LED board) [VS-DT6R] R5502 LF311 CN101 IC801 LF321 CN102 R8008 R8017 D5504 LF551 R8007 R8018 C3602 D5503 R8006 R8019 R8005 D5501 R8020 C3601 S3601 C3105 J3601 J5503...
  • Page 39 VS-DT9R/VS-DT6R VS-DT9R/VS-DT6R Front board CD servo board Forward side Reverse side Forward side K656 R656 R677 R655 R864 R619 K657 R657 R862 C616 K658 R658 R861 C615 R863 C612 CN612 C607 R605 R604 R603 C605 C622 R602 R681 C291 R618...

  • Page 40: Switch Board

    VS-DT9R/VS-DT6R Switch board (Switch board) S101 R101 CN101 S102 C101 (Loading motor board) (Sensor board) Traverse mechanism board...

  • Page 41: Parts List

    3- 3 Exploded view of general assembly and parts list (Block No.M1) 3- 5 CD mechanism assembly and parts list (Block No.MB) 3- 8 Electrical parts list (Block No.01~05) 3-18 Packing materials and accessories parts list VS-DT9R(Block No.M3,M5) 3-20 VS-DT6R(Block No.M4,M6)
  • Page 42 VS-DT9R/VS-DT6R < M E M O >...

  • Page 43: Exploded View Of General Assembly And Parts List

    VS-DT9R/VS-DT6R Exploded view of general assembly and parts list Block No. VS-DT9R Power amplifier board Main board Tuner board 69 72 VS-DT6R Switch board Speaker board 16.10 16.20 Open/Close board FL board...
  • Page 44 2 B.CHA+B.PANEL GV10093-001A BOTTOM CHASSIS GV30249-007A RATING LABEL 1 VS-DT6R B,E,EN VYSA1R4-050 SPACER 1 FOR BOTTOM CHAS GV30250-008A RATING LABEL 1 VS-DT9R QYSBST4006Z T.SCREW 2 BOTTOM+TRANS GV30250-007A RATING LABEL 1 VS-DT9R B,E,EN QYWSS431010Z WASHER 2 FOR POWER TRANS GV30249-008A RATING LABEL 1 VS-DT6R H.PHONE COVER...

  • Page 45: Cd Mechanism Assembly And Parts List

    VS-DT9R/VS-DT6R CD mechanism assembly and parts list Block No. FMU-F1-1M Grease = JVG-31N = JC-803B = JVS-1003 Back side CD switch A=0.6 0.2mm board SLIT WASHER 131.3 0.1mm Gap 'A' Gap 'A' 13.3 0.1mm 0 0.1mm 6.7 0.1mm Tra-mecha CD servo board...
  • Page 46 VS-DT9R/VS-DT6R Parts list (CD mechanism) Block No. MBMM Item Parts number Parts name Q'ty Description Area LV10647-005A LOADING BASE LV33481-004A KICK LEVER UNIT LV42819-002A COMP.SPRING LV21204-003A SLIDE CAM LV42977-001A CAM SPRING LV33336-001A UD GEAR WJM0294-002A E-SI C WIRE C-F QJJ024-041504...
  • Page 47 VS-DT9R/VS-DT6R Parts list (CD mechanism) Block No. MBMM Item Description Parts number Parts name Q'ty Area LV42965-001A ROD SPRING QUQ210-0705DF FFC WIRE CD PWB BKT LV33345-001A QYSBSF2006Z SCREW 4 FOR PWB/BKT QYSBSF2006Z SCREW 2 FOR PWB LV10650-003A T.CHASSIS LV33349-002A MIDDLE GEAR...
  • Page 48 VS-DT9R/VS-DT6R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area NCB31CK-223X C CAPACITOR CN 1 QGF1205C1-13 CONNECTOR NCB31CK-103X C CAPACITOR CN101 QGA2501C1-04 4P CONNECTOR FROM SPK.JACK QEKC1CM-106Z...
  • Page 49 VS-DT9R/VS-DT6R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C1904 QFV61HJ-104Z MF CAPACITOR .10MF 5% 50V C5107 QTE1C06-226Z E CAPACITOR C1905 QFV61HJ-104Z MF CAPACITOR .10MF 5% 50V...
  • Page 50 VS-DT9R/VS-DT6R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area D1316 1SS133-T2 SI DIODE QNB0153-001 ANT TERMINAL D1801 DSK10C-T1 DIODE M.DRIV J1901 QNC0091-001 AC INLET D1802 MTZJ5.1C-T2 ZENER DIODE M.DRIV...
  • Page 51 VS-DT9R/VS-DT6R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area Q1913 2SC2412K/R/-X TRANSISTOR R 28 NRSA63J-103X MG RESISTOR Q1914 2SA1037AK/R/-X TRANSISTOR R 29 NRSA63J-103X MG RESISTOR Q1915...
  • Page 52 VS-DT9R/VS-DT6R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R1304 NRSA63J-124X MG RESISTOR R3106 NRSA63J-303X MG RESISTOR VS-DT6R R1305 NRSA63J-124X MG RESISTOR R3107 NRSA63J-222X MG RESISTOR...
  • Page 53 VS-DT9R/VS-DT6R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R7010 NRSA63J-102X MG RESISTOR R8007 NRSA63J-331X MG RESISTOR VS-DT9R R7011 NRSA63J-473X MG RESISTOR R8008 NRSA63J-331X MG RESISTOR...
  • Page 54 VS-DT9R/VS-DT6R Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 801 NEA70JM-107X E CAPACITOR R 876 NRSA63J-122X MG RESISTOR C 802 NCB31HK-103X C CAPACITOR R 877...
  • Page 55 VS-DT9R/VS-DT6R Electrical parts list (CD servo board) Block No. 03 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 254 QERF1AM-476Z E CAPACITOR 47MF 20% 10V IC601 AN22000A-W RF AMP C 255 NCB31CK-104X C CAPACITOR...
  • Page 56 VS-DT9R/VS-DT6R Electrical parts list (CD servo board) Block No. 03 Item Parts number Parts name Remarks Area R 669 NRSA63J-562X MG RESISTOR R 671 NRSA63J-684X MG RESISTOR R 675 NRSA63J-100X MG RESISTOR R 681 NRSA63J-0R0X MG RESISTOR R 682 NRSA63J-102X...
  • Page 57 VS-DT9R/VS-DT6R < M E M O > 3-17...

  • Page 58: Packing Materials And Accessories Parts List

    VS-DT9R/VS-DT6R Packing materials and accessories parts list Block No. Block No. VS-DT9R A12,A15 A5,A6 A7,A8 A1 A3 3-18...
  • Page 59 VS-DT9R/VS-DT6R Parts list (Packing) VS-DT9R Block No. M3MM Item Parts number Parts name Q'ty Description Area CARTON BOX GV30351-002A GV10099-001A CUSHION(L) GV10099-002A CUSHION(R) GV30353-002A CARTON SPACER(A CARTON SPACER(C 1 ADJUST SPK+SET GV30355-001A QPC04504515P POLY BAG 1 FOR SET QPA02503503P POLY BAG...
  • Page 60 VS-DT9R/VS-DT6R Packing materials and accessories parts list Block No. Block No. VS-DT6R A5,A6 A7,A8 A12, A15 A1 A3 3-20...
  • Page 61 VS-DT9R/VS-DT6R Parts list (Packing) VS-DT6R Block No. M4MM Item Parts number Parts name Q'ty Description Area GV30350-002A CARTON BOX CUSHION(L) GV10099-001A GV10099-002A CUSHION(R) GV30353-001A CARTON SPACER(A GV30354-001A CARTON SPACER POLY BAG 1 FOR SET QPC04504515P QPA02503503P POLY BAG 1 FOR INST...

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