JVC-THC4-ddcs-sm维修电路原理图.pdf

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1、SERVICE MANUAL COPYRIGHT 2005 Victor Company of Japan, Limited No.MB380 2005/5 DVD DIGITAL THEATER SYSTEM MB38020055 TH-C4 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS 1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 2SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 3DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 4ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 5TROUBLESHOOTING . . . . . . . . . . . . . . . .

4、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Area suffix J - U.S.A. C - Canada (XV-THC4) (SP-PWC4)(SP-THC4F)(SP-THC4C)(SP-THC4S) RadioFans.CN 收音机爱 好者资料库 1-2 (No.MB380) SPECIFICATION Center unit (XV-THC4) *1: This value is measured at System

5、 cord CONNECTOR for reference. *2: Corresponding to Linear PCM, Dolby Digital, and DTS Digital Surround (with sampling frequency - 32 kHz, 44.1 kHz, 48 kHz) Subwoofer (SP-PWC4) Satellite Speakers (SP-XTHC4) Designs & specifications are subject to change without notice. Audio section Total Harmonic D

6、istortion*10.02% Digital input*2DIGITAL IN (DBS)(OPTICAL): -21 dBm to -15 dBm(660 nm 30 nm) Video section Video SystemNTSC Horizontal Resolution500 lines Signal-to-Noise Ratio64 dB Video output levelComposite: 1.0 V(p-p)/75 S-video-Y: 1.0 V(p-p)/75 S-video-C: 0.286 V(p-p)/75 Component-Y: 1.0 V(p-p)/

7、75 Component-PB/PR: 0.7 V(p-p)/75 Video input sensitivity/Impedance (VCR IN) Composite: 1.0 V(p-p)/75 S-video-Y: 1.0 V(p-p)/75 S-video-C: 0.286 V(p-p)/75 Tuner section Tuning RangeFM: 87.5 MHz to 108.0 MHz AM: 530 kHz to 1 710 kHz GeneralPower RequirementsAC 120 V , 60 Hz Power Consumption16 W (at o

8、peration) 1.3 W (in standby mode) Dimensions (W H D)400 mm 85 mm 399 mm (15-3/4 inches 3-3/8 inches 15-3/4 inches) Mass4.2 kg (9.3 lbs) Amplifier section Front/Center/Surround167W per channel, RMS at 3 at 1 kHz, with 10 % total harmonic distortion. Subwoofer167 W, RMS at 3 at 100 Hz, with 10 % total

9、 harmonic distortion. Speaker section Speaker unit16 cm (6-5/16 inches) Bass-reflex Power Handling Capacity 170 W Impedance3 Frequency Range25 Hz to 200 Hz GeneralPower RequirementsAC 120 V , 60 Hz Power Consumption160 W (at operation) 0 W (in standby mode) Dimensions (W H D)169 mm 411 mm 451 mm (6-

10、11/16 inches 16-3/16 inches 17-13/16 inches) Mass11.5 kg (25.4 lbs) Front speakers (SP-THC4F) Speaker unit8.0 cm (3-3/16 inches) 1.5 cm (5/8 inches) Bass-reflex, Magnetically Shielded Power Handling Capacity 170 W Impedance3 Frequency Range80 Hz to 20 kHz Dimensions (W H D)104.5 mm 139 mm 101 mm (4-

11、1/8 inches 5-1/2 inches 4 inches) Mass0.56 kg (1.3 lbs) each Center speaker (SP-THC4C) Speaker unit8.0 cm (3-3/16 inches) 1.5 cm (5/8 inches) Bass-reflex, Magnetically Shielded Power Handling Capacity 170 W Impedance3 Frequency Range80 Hz to 20 kHz Dimensions (W H D)137 mm 105 mm 104.5 mm (5-7/16 in

12、ches 4-3/16 inches 4-1/8 inches) Mass0.57 kg (1.3 lbs) Surround speakers (SP-THC4S) Speaker unit8.0 cm (3-3/16 inches) Bass-reflex Power Handling Capacity 170 W Impedance3 Frequency Range80 Hz to 20 kHz Dimensions (W H D)111.5 mm 148 mm 106.5 mm (4-7/16 inches 5-7/8 inches 4-1/4 inches) Mass0.56 kg

13、(1.3 lbs) each RadioFans.CN 收音机爱 好者资料库 (No.MB380)1-3 SECTION 1 PRECAUTION Please refer to TH-C3 (No.MB358) about this section. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Please refer to TH-C3 (No.MB358) about this section. SECTION 3 DISASSEMBLY Please refer to TH-C3 (No.MB358) about this section. SECTI

14、ON 4 ADJUSTMENT Please refer to TH-C3 (No.MB358) about this section. SECTION 5 TROUBLESHOOTING Please refer to TH-C3 (No.MB358) about this section. (No.MB380) AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Victor Company of Japan, Limited

15、 VPT Printed in Japan SCHEMATIC DIAGRAMS No.MB380SCH 2005/5 TH- C4 Contents Block diagram Standard schematic diagrams Printed circuit boards 2- 1 2- 3 2- 23 to 32 DVD DIGITAL THEATER SYSTEM CD- ROM No.SML200505 COPYRIGHT 2005 Victor Company of Japan, Limited. Area suffix J - - - - - - - - - - - - -

16、- - - - - - - - - - - - - - - U.S.A. C - - - - - - - - - - - - - - - - - - - - - - - - - Canada Lead free solder used in the board (material : Sn- Ag- Cu, melting point : 219 Centigrade) (XV- THC4) (SP- PWC4)(SP- THC4F)(SP- THC4C)(SP- THC4S) In regard with component parts appearing on the silk- scre

17、en 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 mark nearby are critical for safety. 2-1 Tuner Pack T901 POWER TRANS. IC951 D5V REG. FW901 IC901 SWITCH REG. DIODE BRIDGE F1,F2 - VDISP DV

18、D5V Q954,Q955 DVD5V SW B5V, D5VIC953 B5V REG. FW902 M9V D5V D970 Q951, Q953 FL SW, - VDISP SW DVD3.3V Q958 to Q961 A+/- 12V REG. A+12V A- 12V DVD- PON SYS- PON AC IN P901 Power supply section IC501 DISPLAY DRIVER DI501 FL DISPLAY IC511 REMOCON F1,F2,- VDISP B5V,D5V JS541 VOLUME CN501 VOL1 VOL2 REMOC

19、ON DI- CK, DI- DT DI- CS, DI- RST ILLUMI G1 to G14 P1 to P35 S531 to S540 DISC_KEY KEY3, KEY4 Q561 to Q566 D561 to D565 DISC LED DISC1 to 5 DIMMER FW502 Q503 STANDBY KEY1 ILLUMI FL display section FW502 S521 POWER SW D511 STANDBY LED KEY1 STANDBY FL display section (P_key) FW521 S522 to S523 S526 to

20、 S529 OPERATION SW KEY1 KEY2 FL display section (Operation key) DVD changer mechanism section CN1 IC1, IC2 TRAY / POSITION MOTOR DRIVER POS_UP, POS_DOWN TR_OP, TR_CL SUB TRAY START SW TRAY POSITION MOTOR M S.TR_ST CN2 TRAY1 to 5 CLOSE SW TRAY OPEN SW M.TR_OP TR1_CL to TR5_CL CN3 IC1 POSITION SENSOR

21、SUB TRAY END SW IC201 DRVER IC451 MECHA CONTROLLOR IC301 PANTERA- 2 IC505 DRAM IC509 FLASH ROM IC452 EEPROM IC510 EEPROM CN453 DVD traverse mechanism CN101 A, B, C, D, E, F, RF+, PD(CD), PD(DVD) F+/- T+/- FM+/- WOUT VOUT UOUT COM LD(CD), LD(DVD) CLSWT1 to 5 STSTSW MTOPSW POSMUP POSMDN MTOP, MTCL CN4

22、51CN452 W1 W2 LSENSOR STEDSW AINL AINR FAOUTL FAOUTR RAOUTL RAOUTR CAOUT SWAOUT LASER DRIVER Q101 to Q104 S2UDT U2SDT SCLK SCS CPURST UCS DISCSET DISCSTP EXADT0 to 15, EXADR16 to 20 NEXCE, NEXOE, NEXWE DISPRST DISPBUSY DISPCS DISPCK DISPD2S DISPS2D MA0 to 10, BA0, BA1 MDQ0 to 31, DQM0 to 3 NCSM,NRAS

23、, NCAS, NWE COUT YOUT CrOUT CbOUT TX RX EPDI,EPDO EPCS,EPSK X301 27MHz DVD traverse mechanism CN201 LPCO1, LPCO2 CDLDCUR, DVDLDCUR SPDRV, TRSDRV, FODRV, TRDRV /DRVMUTE, /SPMUTE, FG, WHALF TRVSW CN701CN702CN703 IC704 ADC IC701 to IC703 DAC INDEX, TRACK, COPY AIN, AOUT 0 to 2, BCK, LRCLK DACPDN, DAC0C

24、S, DCLK, DDATA LRMUTE SWMUTE DVD servo section U2SDT CS CN450 SYS- PON, DVD- PON VOL- 1, VOL- 2 STAND- BY REMOCON KEY1, KEY2 KEY3, KEY4 DI- CK, DI- DT DI- CS, DI- RST CN457 CN410 Q4091, Q4092 TU9V REG. TU- PON TU9V J4891 AVVLR Q4703 IC472 RESET RESET- IN/RST Q4702 X4701 8MHz AVC- OUT AVC- IN CPURST

25、INTP SCLK S2UDT Q4821 AM- BEAT CUT AM- BEAT TU- DI, TU- DO, TU- CK TU- CE, RDS CN406/CN407CN404/CN405 B5V D5V DVD- 5V DVD- 4V M9V +12V - 12V IC471 SYSTEM MICOM AV COMPULINK HP- DET ECHOLEVEL MICMUTE MIC IC475 IC478 TUNER AMP. IC473 CN403CN401CN402 DISPS2D, DISPBUSY Q4811, Q4812 SW- PON IC476 AMP. AD

26、INL ADINR Q4801, Q4802 S- MUTE DRIVER SW- PON S- MUTE VOL- MUTE, VOL- DT, VOL- CK SETUP, TU, L- R IC474 TV- SOUND / AUX SELECT SELECT3, SELECT4 System control section Block diagram 2-2 J6001 HEADPHONE OUT CN701 HP- L, HP- R, HP- DET Jack section uner ack L R TL TR T UT IC153 6CH VOL. IC158 to IC160

27、AMP. IC531 IC581 IC591 AMP. VOL_MUTE VOL_DT VOL_CK OUT- C OUT- SW OUT- SL OUT- SR C,SW SL,SR,L, R J1101 AUX IN OUT- L OUT- R Q1131 Q1133 Q1135 S.MUTE S_MUTE TU_L, TU_R AUX- L AUX- R TU- SW HPOUT_L HPOUT_R SW.P.ON, SETUP CN442CN441 IC509 DIGITAL IN DIN IC151 IC152 AUDIO SW IC154 SOUND BOOSTER Q1251 Q

28、1252 L- R TUNER SYSTEM CONN. J1103 Audio & Digital input section IC601 HP AMP. TU- L, TU- R TU- SW PULINK C, CV- Y1, Y2- G CB- B, CR- R CN412CN411 CN460 HP- L HP- R HPOUT- L HPOUT- R DIN, DOUT AUX- L, AUX- R OUT- L, OUT- R SWPON SMUTE C474 SOUND AUX LECT Cr Cb Y C Y CR- R CB- B Y2- G CV- Y1 C VIDEO-

29、 SW VIDEO- MUTE1 VIDEO- MUTE2 VIDEO- YCMIX VIDEO- RGB VIDEO- LPF IC411 VIDEO SW1 C Y J4402 COMPONENT VIDEO OUT IC431 VIDEO DRIVER S- VIDEO IN COMPOSITE VIDEO IN J4401 S- VIDEO OUT COMPOSITE VIDEO OUT Video input/output section T101 POWER TRANS. Q501 to Q505 POWER CONTROL & PROTECTOR IC601 MICOM CN10

30、1 AC IN PROTECT D151, D152 RY101 Q542 LOW VOLTAGE DETECTOR CN102 CN152 +VH, - VH +VL, - VL CN502CN372CN501 Mother section C, SW SL, SR L, R CN274 TO SW SPEAKER IC202 POWER AMP. RY273 RY272 RY271 IC201 POWER AMP. CN273CN272CN271 FLOUT FROUT FCOUT SLOUT SROUT J2702 J2701 Mini Din CONN. Amplifier secti

31、on IC301 AMP. IC302 AMP. AD_L AD_R AD_SL AD_C SW_SIG SR_SIG IC303 AMP. Q603 Q604 SP_RELAY- P.ON_SIG P.ON_SIG Q523 to Q525 PROTECTOR P.ON_SIG Q152 5V_REG. +5V D166 - 7V_REG. - 7VD165 7V_REG. +7V SW_SIG 2-3 Parts are safety assurance parts. When replacing those parts make sure to use the specified one

32、. D901 DI106 ! 3 1 4 2 L901 QQR1105- 001 ! 1 23 4 D902 10ERB40- T1 D903 10ERB40- T1 PC902 PC123Y22FZ ! 32 14 K902 D910 10ERB40- T1 D904 10ERB40- T1 D911 FR104S- T5 D908 10ERB40- T1 PC901 PC123Y22FZ ! 32 14 Q991 KTC3875/YG/- X D991 T901 QQS0097- 001 ! 1 2 3 4 5 6 7 8 9 10 11 12 13 16 15 14 EP901 QNZ0

33、136- 001Z EP902 QNZ0136- 001Z P901 ! 12 FC901 QNG0003- 001Z FC902 QNG0003- 001Z ! NI C917 0.0033 /1000 C908 0.001/AC250V C904 ! 100p/50 C993 0.47/50 C992 0.0022/AC250V C916! C907 ! 0.001/AC250V C905 ! 100p/1000 C909 0.068/AC275V C902! 0.1/50 C918 39/25 C914 220p/50 C910 100p/1000 C913 470p/50 C915 2

34、20 R969 R921 3.3M ! 0.47 R907 (2W) R962 100 R960 27 R903 2.2k R904 3.3k R908 R963 68k R901 (1W) 680 R906 680 R961 1M R964 R911R910 10k R965 68k R905 (2W) IC901 STR- G6651 ! 1 D 2 S 3 GND 4 VIN 5 OCP/FB GROUND POINT FOR PRIMARY VERSION CODES HS901 Ver.J/C 120V 60Hz VOLTAGE GROUND POINT FOR SECONDARY

35、VOLTAGE 110- 240V 50/60Hz *D954 *F901 J/C (150/200) 1M D (A- 3) B (B- 5) ADDRESS 230V 50Hz Ver.UW/UJ/UY/UN (F- 9)FR104S- T5 J :U.S.A. Ver.B C :CANADA FR104S- T5FR104S- T5 (E- 7) MTZJ5.1C- T2 (1.6A/125V) QQR0779- 001Z (F- 7) (C- 5) (150/200)(68/400)(100/400) 1M 180180 * 10ERB40- T1 MTZJ5.1C- T2MTZJ5.

36、1B- T2MTZJ5.1B- T2 B :GREAT BRITAIN ADDRESS UY/UW/UJ/A (1.6A/125V) *F901 (T1.6AL)(T1.6AL) QQR0779- 001Z00 REF No. *R921 UW:BRAZIL/MEXICO/PERU (B- 3) (B- 2) UY:ARGENTINE *P901 (B- 5) (F- 10) QMF51U1- 1R6- J8 Ver. QMF51U1- 1R6- J8 * * * * * QMF51W2- 1R6- J8QMF51W2- 1R6- J8 SWITCH REG. (B3199) 1.21V 5.

37、2V 4.2V 0.6V *C907 *R962 UJ:USA MILITALY BASE (B3199) QETM2DM- 157QETM2GM- 686 *D991 *K902 QETM2GM- 107 * QETM2DM- 157 DJ/C NONE QNC0081- 001 3.3M QNC0081- 001QNC0081- 001QNC0082- 001 B NONENONE (B3198) 0V 0V UY/UW/UJ/AVer. REF No. * *R910*R911 * 100(E- 8) 750k750k470k470k 100 NONENONE *R963 * *CP95

38、20ICP- N5- TICP- N5- TICP- N5- T E70306- 002 *B3003(B- 10)SHORTOPENSHORT Q962, Q963, R967 USED FOR B VERSION ONLY OTHERS USE B3003 A :AUSTRALIA Ver.A 240V 50Hz Q965 & B3116 USED FOR B VERSION ONLY OTHERS USE B3001 * FOR POWER CONSUMPTION C/M: US/UX/UG/UT US :SINGAPORE UG:TURKEY/EGYPT/SOUTH AFRICA UN

39、:INDONESIA UX:SAUDI ARABIA UT:TAIWAN US/UN/UX/UG/UT US/UN/UX/UG/UT Standard schematic diagrams Power supply section 2-4 SHEET 1 . e Q953 KTA1267/YG/- T CP952 ICP- N5- T ! Q955 KRC103S- X D951 FR104S- T5 D952 FR104S- T5 D954 ! Q951 2SC3576- JVC- T D960 MTZJ2.2A- T2 0.22 L951 D958 1SS133- T2 D950 MTZJ

40、22C- T2 22 L952 Q961 KTC3203/OY/- T Q960 KTA1504/YG/- X CP951 ICP- N10- T ! IC953 KIA7805API 3 2 1 22L955 Q954 SI2305DS- X D956 FR104S- T5 ! 10 L957 10 L959 D957 FR104S- T5 ! 7 8 9 10 11 12 13 16 15 14 Q958 KTA1271/OY/- T Q959 KRC103S- X FW902 QUM21A- 06DGZ4- E 1 DVD5V 2 DGND 3 DGND 4 DVD3.3V 5 MGND

41、 6 M9V 7 MGND 8 A+12V 9 AGND 10 A- 12V FW901 QUM219- 06DGZ4- E 1 F- 2 F+ 3 - VDISP 4 D5V 5 DGND 6 DGND 7 B5V 8 DVD- PON 9 SYS- PON EP951 QNZ0136- 001Z D953 SB340- F82 ! D970 ER204- F33 ! 0.022/50 C994 220/10 C969 220/16C984 0.1/16 C977 100p/50C953 100/16 C989 1000/10 C965 100p/50 C957 470/10 C966 22

42、/50 C964 180/25 C987 100/25 C985 22/50 C962 100/25 C986 NI C970 100p/50C954 100p/50C951 220/16 C997 1.5/25 C981 0.1/16 C967 NI C941 1.5/25 C961 820/16 C979 10/50 C980 39/50 C963 100/10 C978 560/25 C982 82/10 C960 100p/50 C956 100p/1000C952 0.1/16 C976 0.1/16 C968 1k R983 1.3k R985 22k R955 10k R952

43、1.5k R986 R951 15 FR R954 10 (1/4W) ! R963 2.2kR984 5.1k R980 10k R965 22k R981 33k R990 1k R977 1.5k R987 2.2k R988 33k R989 220R966 IC951PQ05RD21SSJH 1 IN 2 OUT 3 GND 4 CTRL D999 1N4003S- T5 CP999 ICP- N10- T ! 10k R967 B3003 Q963 KRA104S- X Q962 KTC3875/YG/- X Q965 KRA104S- X B3116 22k R953 B3001

44、 TO CN404,CN405 5.0V GVA10092- A2 * TO CN406,CN407 M9V D5V DVD5V SW * * - 24.8V - VDISP - 29.7V - 33.6V 0V 5.0V 9.1V 4.9V 4.3V 0V 0V 5.0V 5.0V 0V - 12.5 B5V FL SW - 27.7V- 27.6V - 26.9V - 33.6V- 36.6V - 35.0V 5.6V 4.8V 5.0V 0V 4.9V 9.2V 0V 5.0V 12.512.5V 12.0V 4.8V 0V 12.0V 0V 11.2V - 12.5V- 12.5V -

45、 12.4V 12.5 5.0V 0V 0V 4.8V 12.0V 0V A+12V A- 12V POWER PWB THIS BLOCK N.I ! * * * * * * * (SHEET 2) (SHEET 2) 2-5 + - + - STAND- BY KEY1 KEY2 KEY3 KEY4 VOL2 VOL1 REMOCON VIDEO- SW SAFETY BLANK- CTL VOL- DT VOL- CK VOL- DT VOL- CK VCR- S/C VS3 VS1 VIDEO- RGB VIDEO- YCMIX VIDEO- MUTE2 VIDEO- MUTE1 VI

46、DEO- LPF C CB- B CR- R S2UDT SCLK INTP U2SDT CPURST CS S2UDT SCLK INTP CPURST L- R TU TU SMUTE F+ F- - VDISP DVD- PON SYS- PON S- MUTE SWPON SW- PON H HP- DET L- R S- BOOST Y2- G KEY2 CV- Y1 SAFETY OUT- SR OUT- SL DI- CS CS TU- DO TU- CK TU- CE RDS- DATA TU- DI SETUP KEY1 DMUTE DMUTE MICMUTE ECHO DV

47、DGND TU- PON RDS- CLK HPOUT- L HPOUT- R MIC DIN D3.3V DOUT A+12V VOL- MUTE DIN VOL- MUTE DVD- PON DVD- PON D3.3V U2SDT S- BOOST A5V SETUP DVDGND A- 12V DI- CK VOL1 VOL2 DI- DT KEY4 KEY3 KEY1 REMOCON STAND- BY DI- CS F+ - VDISP F- SYS- PON SYS- PON DGND DGND DGND Q4921 KTC3203/OY/- T D4921 MTZJ8.2C-

48、T2 Q4931 KTA1271/OY/- T X4701 QAX0246- 001Z 321 D4703 MTZJ4.7B- T2 Q4701 KRC111S- X D4704 1SS133- T2 Q4702 KRC107S- X D4931 MTZJ8.2C- T2 D4922 1SS133- T2 D4932 1SS133- T2 D4963 1SS133- T2 D4833 1SS133- T2 D4832 1SS133- T2 D4835 MTZJ6.8A- T2 D4834 1SS133- T2 D4705 1SS133- T2 Q4703 KRC102S- X Q4961 KT

49、C3203/OY/- T D4961 MTZJ4.7A- T2 D4962 1SS133- T2 Q4831 KRC102S- X D4831 1SS133- T2 IC491 KIA7805API 1 2 3 K4701 QQR0621- 001Z K4702 QQR0621- 001Z IC478 RC4558D- X 2 3 1 IC478 RC4558D- X 6 5 7 8 4 IC473 SN74HCT32NS- X 141312111098 7654321 CN411 QGF1036C1- 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 IC477 BR24L08 8765 4321 CN406 QGD2504C1- 04Z 4 3 2 1 CN407 QGD2504C1- 05Z 5 4 3 2 1 CN405 QGD2504C1- 05Z 5 4 3 2 1 CN404 QGD2504C1