JVC KD-SX992R Service Manual
  1. Manuals
  2. Brands
  3. JVC Manuals
  4. Car Receiver
  5. KD-SX992R
  6. Service manual
JVC KD-SX992R Service Manual

JVC KD-SX992R Service Manual

Ht-4139-
Hide thumbs Also See for KD-SX992R:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Instruction Manual
QQ
3 7 63 1515 0
SERVICE MANUAL
KD-SX992R/KD-SX921R
TE
L 13942296513
Contents
Safety precaution
Preventing static electricity
Important of laser products
Disassembly method
Adjustment method
www
.
http://www.xiaoyu163.com
CD RECEIVER
KD-SX992R
ATT
SOUND
U
R
F
SOURCE
D
EQ
VOL
VOL
KD-SX921R
EQ
x
ao
u163
y
i
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
http://www.xiaoyu163.com
2 9
8
KD-SX992R
DAB
TP
PTY
Q Q
3
6 7
1 3
1 5
KS-SX921R
DAB
TP
PTY
1-2
Flow of functional
1-3
operation unit TOC read
1-4
Maintenance of laser pickup
1-5
Replacement of laser pickup
1-20
Description of major ICs
co
.
KD-SX992R/KD-S921R
9 4
2 8
0 5
8
2 9
9 4
2 8
Area Suffix
E ---- Continental Europe
EX ------- Central Europe
1-21
1-23
1-23
m
1-24
9 9
9 9
No.49719
Mar. 2002

Advertisement

Table of Contents
loading

Related Manuals for JVC KD-SX992R

Summary of Contents for JVC KD-SX992R

  • Page 1 KD-SX992R/KD-S921R 3 7 63 1515 0 SERVICE MANUAL CD RECEIVER KD-SX992R/KD-SX921R KD-SX992R SOUND KD-SX992R SOURCE L 13942296513 KD-SX921R KS-SX921R Area Suffix E ---- Continental Europe EX ------- Central Europe Contents Safety precaution Flow of functional Preventing static electricity operation unit TOC read...

  • Page 2: Safety Precaution

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Safety precaution Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.

  • Page 3: Preventing Static Electricity

    KD-SX992R/KD-SX921R 3 7 63 1515 0 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.

  • Page 4: Important For Laser Products

    KD-SX992R/KD-SX921R 3 7 63 1515 0 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 lock 6.CAUTION : Use of controls, adjustments or performance of failed or defeated.

  • Page 5: Disassembly Method

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Disassembly method <Main body> Removing the front panel unit Eject button (See Fig.1) Press the release switch and remove the front panel unit in the direction of the arrow. Front panel assembly Fig.1 Removing the front chassis (See Fig.2 to 4)

  • Page 6: Removing The Bottom Cover

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the heat sink (See Fig.5) Heat sink Remove the two screws C and the two screws D on the left side of the body. Fig.5 Removing the bottom cover Joint c (See Fig.6 and 7)

  • Page 7: Removing The Mainboard

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the main board (See Fig.8 and 9) Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly, the heat sink and the bottom cover. Remove the screw E, the three screws F and the...
  • Page 8 KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the control switch board (See Fig.11 to 13) Prior to performing the following procedure, remove the front panel assembly. Remove the four screws J attaching the rear cover on the back of the front panel assembly.

  • Page 9: Removing The Top Cover

    KD-SX992R/KD-SX921R 3 7 63 1515 0 < CD mechanism section > Removing the top cover (See Fig.1 and 2) Remove the two screws A on each side of the body. Top cover Joints a Lift the front side of the top cover and move the cover backward to release the two joints a.
  • Page 10 KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the DET switch (See Fig.3 and 6) Extend the two tabs c of the feed sw. holder and pull out the switch. DET switch Unsolder the DET switch wire if necessary. Connector board Removing the chassis unit (See Fig.7 and 8)
  • Page 11 KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the clamper assembly (See Fig.9 and 10) Prior to performing the following procedure, remove Clamper arm the top cover. spring Remove the clamper arm spring. Move the clamper assembly in the direction of the arrow to release the two joints d.

  • Page 12: Removing The Pickup Unit

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Feed sw. holder Removing the pickup unit (See Fig.13 to 17) Joint f Prior to performing the following procedure, remove the top cover, the connector board and the chassis unit. Remove the screw D and pull out the pu.
  • Page 13 KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the trigger arm (See Fig.18 and 19) Joint k Prior to performing the following procedure, remove the top cover, the connector board and the clamper unit. Trigger arm Turn the trigger arm in the direction of the arrow to release the joint k and pull out upward.
  • Page 14 KD-SX992R/KD-SX921R 3 7 63 1515 0 Joint a' Link plate Joint r Removing the select arm (L) / select lock Select arm (L) Joint z Select arm (R) arm (See Fig.21 and 22) Select lock arm Prior to performing the following procedure, remove the top plate assembly.
  • Page 15 KD-SX992R/KD-SX921R 3 7 63 1515 0 Joint a' Link plate Joint r Removing the select arm (R) / link plate Select arm (L) Joint z Select arm (R) (See Fig.21 and 22) Select lock arm Prior to performing the following procedure, remove the top plate assembly.
  • Page 16 KD-SX992R/KD-SX921R 3 7 63 1515 0 Roller guide Removing the loading roller assembly Washer (See Fig.27 to 29) Loading roller assembly Prior to performing the following procedure, remove the clamper assembly and the top plate assembly. Roller guide Push inward the loading roller assembly on the gear side and detach it upward from the slot of the joint d’...
  • Page 17 KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the loading gear (5), (6) and Loading gear bracket (7) (See Fig.31 and 32) Loading gear (6) Prior to performing the following procedure, remove the top cover, the chassis unit and the top plate assembly.
  • Page 18 KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the gears (See Fig.33 to 36) Prior to performing the following procedure, remove the top cover, the chassis unit, the top plate assembly and the pickup unit. Slot j' Pull out the feed gear.
  • Page 19 KD-SX992R/KD-SX921R 3 7 63 1515 0 Removing the turn table / spindle motor Turn table (See Fig.37 and 38) Prior to performing the following procedure, remove the top cover, the connector assembly and the chassis / clamper assembly. Remove the two screws K...

  • Page 20: Adjustment Method

    6. Digital tester MW 531kHz ~ 1620 kHz 7. Tracking offset meter LW 144kHz ~ 279kHz 8. Test Disc JVC :CTS-1000 9. Extension cable for check EXTGS004-26P 1 Dummy load Exclusive dummy load should be used for AM,and FM. For FM dummy load,there is a loss of 6dB between SSG output and antenna input.The loss of 6dB need not be considered...

  • Page 21: Flow Of Functional Operation Until Toc Read

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Flow of functional operation until TOC read Power ON • When the laser diode correctly Set Function to CD • When the pickup correctly moves emits to the inner area of the disc...

  • Page 22: Feed Section

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Feed Section Check CD 9V Is the voltage output at Is the wiring for IC541 Is 5V present at IC501 and 5V. IC541 pin "53" 5V or 0V? (90) ~ (100) correct? pin "20"? Check the vicinity of IC541.

  • Page 23: Maintenance Of Laser Pickup

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Maintenance of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens with a alcohol soaked cotton swab. (2) Life of the laser diode When the life of the laser diode has expired, the following symptoms will appear.

  • Page 24: Description Of Major Ics

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Description of major ICs HA13164A(IC901):Regulator 1.Terminal layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2.Block diagram 100u 0.1u MEMORY IN ACC.IN BATT.DET Surge Protector 0.1u...
  • Page 25 KD-SX992R/KD-SX921R 3 7 63 1515 0 BA3220FV-X (IC361,IC362) : Line out amp 1.Pin layout 3220 2.Block diagram OUTL OUTR RGND LGND L 13942296513 REFR REFL FILTER u163 1-25 http://www.xiaoyu163.com...
  • Page 26 KD-SX992R/KD-SX921R 3 7 63 1515 0 UPD784216AGC163 (IC701): SYSTEM CPU UPD784216AGC163(1/2) Symbol Function Pin No. Signal input of mechanism switch 2 detection Signal input of mechanism switch 3 detection Signal input of mechanism switch 4 detection REST Rest switch detection signal input...
  • Page 27 KD-SX992R/KD-SX921R 3 7 63 1515 0 UPD784216AGC163(2/2) Symbol Function Pin No. Non connect Non connect SD/ST Station detector and stereo signal input. It is H and there is a bureau.It is L and a stereo. Non connect MONO Monaural ON/OFF switch output.
  • Page 28 KD-SX992R/KD-SX921R 3 7 63 1515 0 LA6579H-X (IC501) : 4-Channel bridge driver 1. Pin layout & Block diagram VIN1-A VIN1 VIN1_SW [H]: OP-AMP_A [L]: OP-AMP_B VIN1+A VIN1-B VCCP1 VIN1+B VO1+ Signal system S-GND power supply VO1- VIN1-SW All outputs ON/OFF...
  • Page 29 KD-SX992R/KD-SX921R 3 7 63 1515 0 3.Pin function LA6579H-X(2/2) Pin No. Symbol Function CH1 input AMP_inverted input VIN1-A VIN1+A CH1 input AMP_non-inverted input VCCP1 CH1 and CH2 power stage power supply VO1+ Output pin(+)for channel 1 VO1- CH1 output pin (-) for channel 1...

  • Page 30: Terminal Layout

    KD-SX992R/KD-SX921R 3 7 63 1515 0 TA2157FN-X(IC501):RF amp 1.Terminal layout 2.Block diagram PEAK 50 A L 13942296513 BOTTOM PEAK 1.75k 240k 15pF x0.5 240k 15pF x0.5 180k 40pF RFGC (APC SW) (TE BAL) (AGC Gian) (TE BAL) VCTRLPIN Normal mode...
  • Page 31 KD-SX992R/KD-SX921R 3 7 63 1515 0 3.Pin function TA2175FN-X Pin No. Symbol Function 3.3V power supply pin Main-beam amp input pin Main-beam amp input pin Sub-beam amp input pin Sub-beam amp input pin Monitor photo diode amp input pin...
  • Page 32 KD-SX992R/KD-SX921R 3 7 63 1515 0 TC94A14FA(IC541):DSP&DAC 1.Terminal layout & block daiagram Clock generator 1-bit Servo control Digital equalizer Address automatic circuit adjustment circuit Data CLV servo slicer 16 k Synchronous guarantee L 13942296513 decoder Audio out Digital circuit...
  • Page 33 KD-SX992R/KD-SX921R 3 7 63 1515 0 TC94A14FA Symbol Description EFM and PLCK phase difference signal output pin. TMAX TMAX detection result output pin. TMAX Detection Result TMAX Output Longer than fixed period "PV " Within fixed period "HiZ" "AV "...
  • Page 34 KD-SX992R/KD-SX921R 3 7 63 1515 0 TA8273H(IC301):Power AMP 1.Block diagram 2200 F 0.022 F Vcc 1/2 Vcc 3/4 INRF OUT RF+ 0.22 F OUT RF- AC CONT1 Protective circuit OUTRR+ INRR OUTRR- 0.22 F L 13942296513 ST BY Stand by...
  • Page 35 KD-SX992R/KD-SX921R 3 7 63 1515 0 2.Terminal layout 3.Pin function TA8273H Pin No. Symbol Function AC CONT 1 Header of IC Power GND OUTRR- Outpur(-) for front Rch STBY Stand by input Output (+) for front Rch OUTRR+ Power input...
  • Page 36 KD-SX992R/KD-SX921R 3 7 63 1515 0 LC75873NW(IC601):LCD Driver 1.Pin layout 2.Block diagram VDD1 COMON SEGMENT DRIVER DRIVER VDD2 CLOCK SHIFT REGISTOR GENERATOR ADDRESS DETECTOR 3.Pin function Pin No. Pin name Description Segment outouts for displaying the display data S1/P1 TO S4/P4 79,80 transferred by serial data input.
  • Page 37 KD-SX992R/KD-SX921R 3 7 63 1515 0 SAA6579T-X(IC71):RDS detecter 1.Pin layout QUAL DATA Vref OSCO OSCI TEST SCOUT MODE 2.Block diagram ANTI- 57 kHz OSCILATOR QUALITY BIT RECONSTRUCTION ALIASING BANDPASS GENERATOR FILTER FILTER (8th ORDER) DIVIDER COSTAS LOOP BIPHASE CLOCKED...
  • Page 38 KD-SX992R/KD-SX921R 3 7 63 1515 0 TB2118F-X (IC31) : PLL 1.Terminal Layout 2.Block diagram Constant power supply voltage Buff. ON/OFF AM CP. Phase OSC circuit Reference Counter Comparator switch FM VCO 4-bit Prescaler Swallow counter 12-bit AMVCO Programmable counter REG.
  • Page 39 KD-SX992R/KD-SX921R 3 7 63 1515 0 BR24C16F-X (IC771) : EEPROM 1. Pin layout 2. Pin function WPIN Symbol I/O Function Power supply. A0,A1,A2 No use connect to GND. Serial clock input. Serial data I/O of slave and ward address.
  • Page 40 KD-SX992R/KD-SX921R 3 7 63 1515 0 HD74HC126FP-X (IC801) : Buffer 1.Terminal layout 3.Pin function Input Output Note) H:High level L:Low level X:Irrelevant Z:Off(High-impedance) State a 3-state input 2.Block diagram Output Input L 13942296513 Output Sample as Load Circuit 1...
  • Page 41 KD-SX992R/KD-SX921R 3 7 63 1515 0 TDA7404D-X(IC161):Carradio signal processor 1.Terminal layout 2.Block diagram Mono Fader Mono Fader Mono Fader Mono Fader Mono Fader Mono Fader Zero Cross Mono/Beep Beep Beep BeepDigital Control I C-Bus Supply NJM4565M-WE (IC581,IC251) : Ope. amp...
  • Page 42 KD-SX992R/KD-SX921R 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200203 (No.49719) http://www.xiaoyu163.com...

  • Page 43: Block Diagram

    KD-SX992R/KD-SX921R 3 7 6 3 1 5 1 5 0 Block diagram KD-SX992R ONLY TU.L,TU.R FM/AM TUNER PACK DET OUT LOADING IC361 LINE FMVT TRACKING OUTLF Lch AMP AMVT PICKUP FOCUS OUTLR IC301 CD.L IC31 IC71 IC161 IC501 IC581...
  • Page 44 http://www.xiaoyu163.com KD-SX922R/KD-SX921R 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 45: Standard Schematic Diagrams

    KD-SX992R/KD-SX921R Standard schematic diagrams 3 7 6 3 1 5 1 5 0 Receiver & System control section D243 1SS355-X R244 C243 R243 0.047 180k R245 R240 C241 300k 1/50 R247 C244 180k R242 R248 IC301 0.015 R241 C242...
  • Page 46 KD-SX992R/KD-SX921R KD-SX992R/KD-SX921R 3 7 6 3 1 5 1 5 0 CD servo control section R504 R502 8.2k R595 R592 FEED- C592 R503 4.7k R594 R591 C593 CD.L C501 R593 47/6.3 120p FEED+ 4.7/25 SPD+ R506 SPD- Q501 8.2k...
  • Page 47 KD-SX992R/KD-SX921R 3 7 6 3 1 5 1 5 0 LCD driver & Operation switch section LCD1 IC602 RPM6938-SV4 CN601 ACC5V QNZ0006-001 R660 REMOCON LCD1 1 3 9 4 2 2 9 6 5 1 3 EN601 R661 QSW0976-001...

  • Page 48: Printed Circuit Boards

    KD-SX992R/KD-SX921R KD-SX992R/KD-SX921R 3 7 6 3 1 5 1 5 0 Printed circuit boards Main board (Forward side) Main board (Reverse side) J801 IC901 CN901 IC901 D971 D972 L901 R971 R352 R353 R343 D901 R972 R341 C971 CN901 D901...

  • Page 49: Parts List

    KD-SX992R/KD-SX921R 3 7 63 1515 0 PARTS LIST [ KD-SX992R ] [ KD-SX921R ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe L 13942296513 EX --------------- Central Europe...

  • Page 50: Exploded View Of General Assembly And Parts List

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 51 1 FOR L.LEVER(L) VKZ4777-001 MINI SCREW 1 LOCK LEVER(O.L.) FSKW4013-002 T.SPRING 1 FOR OPEN LEVER GE40140-001A BLIND FRONT PANEL GE10041-001A FINDER ASSY 1 KD-SX992R GE30369-007A GE30369-008A FINDER ASSY 1 KD-SX921R GE20104-002A PRESET BUTTON 1 1-6 (2 COLOUR) GE30535-001A POWER BUTTON FSYH4036-074 SHEET...
  • Page 52 REAR COVER FSYH4036-078 SHEET 1 REAR COVER VKZ4777-001 MINI SCREW 3 FRONT+REAR VKZ4777-001 MINI SCREW 1 RIM COVER GE30358-002A NAME PLATE 1 KD-SX992R GE30359-002A NAME PLATE 1 KD-SX921R QAM0154-001 SUB-CABLE 1 KD-SX992R VYTA500-001 PIN CAP 2 KD-SX992R LCD MODULE 1 KD-SX992R...

  • Page 53: Cd Mechanism Assembly And Parts List

    KD-SX992R/KD-SX921R 3 7 63 1515 0 CD mechanism assembly and parts list Block No. TN-2001-1001 Grease TNG-87 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 54 KD-SX992R/KD-SX921R 3 7 63 1515 0 Parts list (CD mechanism) Block No. MBMM Item Q'ty Description Parts number Parts name Area 30320101T FRAME 30320102T TOP COVER 30320109T DAMPER F 30320110T DAMPER R 303205501T CHASSIS RIVET A CHANGE P. RVT A...
  • Page 55 KD-SX992R/KD-SX921R 3 7 63 1515 0 Parts list (CD mechanism) Block No. MBMM Item Parts number Parts name Q'ty Description Area 30321103T LOADING GEAR 3 30321104T LOADING GEAR 4 30321105T LOADING GEAR 5 LOADING GEAR 6 30321106T LOADING GEAR 7...
  • Page 56 KD-SX992R/KD-SX921R 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area BZ841 QAN0002-001Z BUZZER C 186 QEKJ1CM-107Z E CAPACITOR 100MF 20% 16V...
  • Page 57 KD-SX992R/KD-SX921R 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 523 QERF1AM-107Z E CAPACITOR 100MF 20% 10V C 710 QEKJ0JM-476Z E CAPACITOR 47MF 20% 6.3V...
  • Page 58 KD-SX992R/KD-SX921R 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area D 704 UDZS5.6B-X Z DIODE Q 91 2SD601A/R/-X TRANSISTOR D 705 UDZS5.6B-X...
  • Page 59 KD-SX992R/KD-SX921R 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 174 NRSA63J-104X MG RESISTOR R 375 NRSA63J-0R0X MG RESISTOR KD-SX921R...
  • Page 60 KD-SX992R/KD-SX921R 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 591 NRSA63J-183X MG RESISTOR R 758 NRSA63J-473X MG RESISTOR R 592...
  • Page 61 KD-SX992R/KD-SX921R 3 7 63 1515 0 Block No. 02 Electrical parts list (Front board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 601 NBE20JM-475X TS E CAPACITOR R 623 NRSA02J-182X MG RESISTOR...

  • Page 62: Packing Materials And Accessories Parts List

    KD-SX992R/KD-SX921R 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. A1~A6 L 13942296513 KIT:A7~A11 u163 3-14 http://www.xiaoyu163.com...
  • Page 63 SHEET 1 MIRAMA SHEET QPA01003003 POLY BAG 1 FOR HARD CASE QPC03004315P POLY BAG 1 FOR SET GE30407-027A PACKING CASE 1 KD-SX992R PACKING CASE 1 KD-SX921R GE30407-028A EPS CUSHION GE10047-001A Parts list (Accessories) Block No. M5MM Item Description Parts number...

This manual is also suitable for:

Kd-sx921r

Table of Contents