JVC-THV70R-ddcs-sm维修电路原理图.pdf
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1、TH-V70R No.21108 Jul. 2002 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD. SERVICE MANUAL Contents Safety precautions Preventing static electricity Important for laser products 1-2 1-4 1-5 1-6 1-21 1-2255 Disassembly method Adjustment method Description of major ICs TH-V70R Area suffix B - U.K. E - Con
2、tinental Europe EN - Northern Europe DVD DIGITAL CINEMA SYSTEM SP-PWV70XV-THV70R SP-XSV70SP-XCV70SP-XSV70SP-XSV70SP-XSV70 RadioFans.CN 收音机爱 好者资料库 TH-V70R 2-1 ABC 1 2 3 4 5 CN101 IC101 FRONT END PROCESSOR DVD servo board LVA10311-A1 Main board LVA10308-A1 IC301 SODC IC201 DRIVER IC701 DISPLAY MICOM D
3、I701 FL DISPLAY IC801 SYSTEM MICOM IC406 DSP MICOM IC401 CODEC IC403 DSPIC153 6CH VOLUME IC151 INPUT SELECT DISC LED DOOR DETECT SWITCH DOOR MOTOR CN502 CN803 CN805CN806 CN401 J691 SCART TERMINAL B G R/C C Y J601 S-VIDEO OUT FROM/TO TUNER UNIT W812 CN812 CN814 W802 CN106 CN802 CN701 IC711 REMOCON J1
4、101 AUX IN L R Front board LVA10320-A1 CN801 CN503 DSP/Audio board LVA10309-A1 EXL-V9-1 LVA10308-A4LVA10308-A5 7 453 68 21 SYSTEM CONNECTOR J1103 DVD traverse mechanism CN202 IC251 SPINDLE MOTOR DRIVER IC401 UNIT CPU IC501 PANTERA-2 IC505 DRAM IC509 FLASH ROM IC601 VIDEO DRIVER P901 AC IN EXL-V9-1 D
5、VD traverse mechanism T901 Trans. REG. F1,F2 B5V -VDISP D5V,DVD 5V DVD3.3V P.ON,B5V +12V,-12VDOOR M9V CN972 Fan motor IC871 REMOCON IC108 DOOR MOTOR DRIVER Key switch LVA10308-A2 CN813 W801 CN201 IC451 EEPROM IC404 SDRAM J601 COMPOSITE VIDEO OUT J592 AV COMPULINK2 CN815 CN592 Compulink board LVA1030
6、8-A3 FLM-FD1-1 DVD loader mechanism IC191 RDS B/E/EN version only Y Overall block diagram Block diagrams RadioFans.CN 收音机爱 好者资料库 TH-V70R 2-2 ABCD 1 2 3 4 5 CN806 CN106 LVA10308-A1 8TUR 6TUL 10RDS 4TUDTO 3TUCK 2TUDTI 1TUCE 14SPDIF 1SWPHOTO 16DISKSTP 17SSPCLK1B 18FLINT 19SSPOUT1B 21SSPIN1A 23FLCS- 25C
7、PURST CN805 IC191 RDS DECODER 7 3 1,9 IC108 MOTOR DRIVER X191 OSC 4.322MHz TUNER R22 TUNER L21 SMUTE28 SW P.ON27 29AUX 30TUNER 24OUT L 26OUT R 13VOL_DT 14VOL_CK 12VOL_STB 11DSPCLK 10DSPSTATUS 9 P.ON DSPCOMMAND 8DSPREADY 7DSPRESET 2D5V 1D5V X801 OSC 8MHz IC801 SYSTEM MICOM IC803 RESET 331 70,72-74 5,
8、21-26 83 56,57 4,485962,64 36 34,35 42-47 29 67,68 76 89 9085 RGB/NTB AVVLR AUDIO_L AUDIO_R D5V 1 2 S551 DOOR DETECT SWITCH LVA10308-A4 TO Video I/O CN801 FROM/TO CN401 OF LVA10309-A1 (DSP) FROM/TO CN503 OF LVA10311-A1 (DVD servo) FROM/TO TUNER UNIT TO Door motor CN814W802 8,9,1016 Q816 2 DVD P.ON T
9、O Power supply 8RESET 9CLOCK 10DATA IN INITIAL 12REMOCON 18,20 91,92 CN802 FROM/TO CN701 OF LVA10320-A1 (FL display) 27 11 3 2 3 2 IC871 REMOCON LVA10308-A5 W812CN812 2 1 2 1Q8711 REM +B CTL 50 55 Q8712 Q8713 LED CTL 79,80 LED board Open/Close board S501-S510 Key switch LVA10308-A2 CN813W801 3 2 3 2
10、 Switch board 8,9 B/E/EN version TO Audio I/O Q818 BACKUP D8721 D8722 DISC LED B5V Q803 SAFETY DETECT +12V -12V 30 IEC9585 Main board Q802 Q805 SMUTE Q804 Q807 SW P.ON 13 Japan version System control section TH-V70R 2-3 ABC 1 2 3 4 5 LOUT1 ROUT1 LOUT2 ROUT2 LOUT3 ROUT3 MUTE VOL_STB VOL_DT VOL_CK LIN
11、+ LIN RIN+ RIN L R J1101 AUX IN FROM/TO DSP IC531 Amp. Q2521 Mute control IC153 6CH VOLUME IC158 Amp. J1103 SYSTEM CONNECTOR IC159 Amp. IC160 Amp. Q1131 Mute control IC561 Amp. Q2561 Mute control IC581 Amp. IC510,511 Amp. Q2581 Mute control Q1133 Mute control Q1135 Q1137 Mute control IC151 INPUT SEL
12、ECT Q2501 Q2502 Mute control Mute control Q1252 3AUX 5SW.P.ON 4S MUTE 8OUT_L 6OUT_R 11TUNERL 10TUNERR 2TUNER 7 453 68 21 15 13 9 8 11 6 2 1 4 3 8 9 10 12 6 5 13 11 33 36 34 35 31 32 394041 FROM/TO CN806 OF LVA10308-A1 (System control) CN401 Audio input/output section A5V 12A5V Q1252 Mute control Mut
13、e control Q1252 Q1251 Mute control 21 23 24 31 30 20 19 18 27 22 34IC403 DSP 40,42,43 1,3-7 83,85-89 84 99 41 46-50,53 16,18-20,22 71 17 37,38 94 11 17 21 84 88 27 LOUT1 MUTE TX RX TEST IC406 DSP MICOM IC401 CODEC Q403 X402 OSC 6.14MHZ 28 ROUT1 25 LOUT2 26 ROUT2 23 LOUT3 24 ROUT3 VOL_STB VOL_DT 30 L
14、IN+ 29 LIN- 32 RIN+ 31 RIN- IC404 SDRAM VOL_CK VOL_STB VOL_DT D5V D5V DSPCLK DSPSTATUS DSPCOMMAND DSPREADY IEC958 VOL_CK LVA10309-A1 FROM/TO CN806 OF LVA10308-A1 (System control) CN401 2 3 5 CN403 71 IC407 D3V VDD FROM/TO Audio input/output DSP section IC408 41-43 64,66,67 A5V 54 VDDA IC402 A3V Q401
15、 Q402 X401 OSC 24.576MHZ LVA10309-A1 IC409 Digital input IC410 Digital output 31 TH-V70R 2-4 ABCD 1 2 3 4 5 CN803 12 10 IC601 VIDEO DRIVER 14 16 S691 RGB/YC SW J601 COMPOSITE VIDEO OUT J601 S-VIDEO OUT J592 AV COMPULINK2 C Y FROM CN502 OF LVA10311-A1 (DVD servo) TO System control CrOUT AVVLR RGB/NTB
16、 CbOUT COUT YOUT CN592 42 13 CN815 S802 VER/HOR SW VER/HOR 19 15R/C COMPOSITE/Y 11G 7B J691 SCART TERMINAL LVA10308-A1 Video output section LVA10308-A3 DI701 FL DISPLAY 100 2,3,5,26 CN701 9,10 1, 2 61. 62 -VDISP3 F22 F11 5 FROM/TO CN802 OF LVA10308-A1 (System control) B5V G1-G14 P1-P35 6D5VD5V OSC X
17、701 8MHz REMOCON12 INITIAL11 DATA IN10 RESETIC701 DISPLAY MICOM FL display section CLOCK9 8 7-12V IC711 Remocon receiver B5V -12V 27 Q710 28 Q711 D701 POWER LED HORIZONTAL D702-D710 KEY LED HORIZONTAL 29 Q712 30 Q713 D711 POWER LED VERTICAL D712-D720 KEY LED VERTICAL 39Q721 DIMMER 40Q722,Q723 DIMMER
18、 31 Q709 LVA10320-A1 16 14 6 11 8 2 21 23 31 25 28 33 B/E/EN/EE version TH-V70R 2-5 ABC 1 2 3 4 5 CN802 T901 TRANSFORMER Q951 FL SW 71 8 9 13 4 1 12 16 Q953 -VDISP D956 Q958 D957 Q961 IC953 B5V REG. 1 P.ON 18A7V 20A5V 19A-7V FAN MOTOR 2F2 1F1 3-VDISP 6D5V 5B5V 15M5V S5V 25M9V 14 3 5 L901 IC901 SWITC
19、H REG. TO CN701 OF LVA10320-A1 (FL display) TO CN503 OF LVA10311-A1 (DVD servo) TO CN401 OF LVA10309-A1 (DSP) LVA10308-A1 AC IN 31 IC951 D5V REG. 2 4 1 Q954,Q955 DVD5V SW Q957 Q959 Q960 CN801 CN806 CN972 1 F901 D901 B5V DOOR M9V D5V 21 23 DVD-P.ON Q964 Q965 17 19 S3.3V D3.3V CN803 DVD3.3V 2 D5V D5V
20、IC805 A5V Q1181 E.VOL +7V Q1182 E.VOL -7V A5V TO CN502 OF LVA10311-A1 (DVD servo) Power supply section 15 16 A12V A-12V 7-12V FROM/TO System control P901 TH-V70R 2-6 ABCD 1 2 3 4 5 IC101 FRONT END PROCESSOR IC251 SPINDEL MOTOR DRIVER IC301 SODC IC502 CLOCK GENERATOR IC401 UNIT CPU IC451 EEPROM IC501
21、 PANTERA-2 IC505 16M SDRAM LD 49,50 53,54 57-60 62,63 T+/- F+/- 11,12 13,14 98 11 STD0-7 LSI RST 1 CPUA0-17 WAITDEC Y OUT C OUT Cb OUT Cr OUT FROM/TO CN803 OF LVA10308-A1 (System control) TO EXL-V9-1 (DVD traverse mechanism) CN101 LVA10311-A1 CN502 16 14 12 10 IC201 DRIVER FM+/- LM+/- 17,18 15,16 SM
22、1-32,4,7 H1+/- H2+/- H3+/- 9-14 50 CPUD0-7 X571 OSC 27MHz 75 6 23 79 476 IC509 FLASH ROM IC512 IC513 Latch 114 118 112 110 CN503 2 4 7 23 21 19 17 25M9V D5V S5V D3.3V S3.3V S1OUT TOPEN TCLOSE /LMMUTE SWOPEN(SW2) SWUPDN(SW3) DDATA DAC0CS,DAC1CS DAC2CS,BCK LRCLK,AOUT0-3 192K,SPDIF LRMUTE,SMUTE DCLK 15
23、 16 DISCSTP 17 19 20 SSPCLK1B FLINT,SWMUTE CPURST SSPOUT1B DISCSET 21 SSPIN1A 23 FLCS- M5V IC521-1/4 IC521-2/4 IC522-3/4 IC523 IC519 EEPROM 65 IC521-3/4 IC521-4/4 IC522-4/4 IC522-2/4 IC522-1/4 CN201 CN202 TO EXL-V9-1 (DVD traverse mechanism) TO FLM-FD1-1 (Loader mechanism) DVD servo section FROM/TO
24、CN801 OF LVA10308-A1 (System control) TRVSW 1 SWPHOTO(SW1) TH-V70R 2-7 ABC 1 2 3 4 5 768 435 21 31 57 IC100 GND.ISO.AMP Mini Din CONNECTOR J100 WOIN FLIN 31 57 IC101 GND.ISO.AMP FCIN FRIN 31 57 IC102 GND.ISO.AMP RLIN RRIN 21 67 IC103 PHASE REVERSE AMP S100 PHASE SW REVERSE NORMAL VR100 WOOFER GAIN P
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