JVC-THA75R-ddcs-sm维修电路原理图.pdf
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1、SCHEMATIC DIAGRAMS DVD DIGITAL CINEMA SYSTEM No.21189SCH 2003/02 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. TH-A75R TH-A75R Contents Block diagrams Standard schematic diagrams Printed circuit boards 2-1 2-4 2-1521 CD-ROM No.SML200302 Area suffix B - U.K. E - Continental Europe EN - Northern Europe
2、 EV - Eastern Europe SP-WA75 SP-XSA75 SP-XCA75 XV-THA75R STANDBY COMPACT SUPER VIDEO D I G I T A L E X P R O L O G I C DVD DIGITAL CINEMA SYSTEM RGB PHONES SOURCE VOLUME RMSTHA75R DVD CINEMA SYSTEM CHANNEL/ZOOMVOLUMETV VOL TUNING STOP DIMMER PAUSE FF/ /REW TV/VIDEO MUTING REC PLAY DOWNUP MEMORYSTROB
3、E DVDVCR 1 AUDIO VIDEO/ TV SOUND ANGLE FM/AM SUBTITLEDECODE RETURNDIGEST VFP TOP MENUMENU CONTROLEFFECT S.WFR TEST SLEEP TV VCR SETTING TV RETURN ENTER ON SCREEN CHOICE FM MODE 123 456 789 100+10 100+ TVAUDIO VCR SOUND PTY SEARCH DVD RDS TA/NEWS/INFO PTYPTY RDS DISPLAY SURROUNDOFFDSP CENTER + + + +
4、SURR-LSURR-RS-BACK + ADJUST O.T. REPLAY RadioFans.CN 收音机爱 好者资料库 TH-A75R 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 mark near
5、by are critical for safety. (This regulation does not correspond to J and C version.) RadioFans.CN 收音机爱 好者资料库 TH-A75R 2-1ABCDEFG 1 2 3 4 5 CN101 IC101 FRONT END PROCESSOR DVD servo board LVA10298-C1 Main board LVA10375-A1 IC301 SODC IC201 DRIVER IC401 DISPLAY MICOM DI401 FL DISPLAY IC271 SYSTEM MICO
6、M IC531 DSP MICOM IC511 CODEC IC512 DAC IC521 DSP IC551 8CH VOLUME CN502 CN209 CN205 CN203 CN591 J2403 SCART TERMINAL B G R/C C Y J2401 S-VIDEO OUT FROM/TO TUNER UNIT CN207 CN401 IC402 REMOCON J5531 STB/DBS &VCR L/R IN Switch board LVA10376-A1 DSP board LVA10377-A1 DVD traverse mechanism CN202 IC251
7、 SPINDLE MOTOR DRIVER IC401 UNIT CPU IC501 PANTERA-2 IC505 DRAM IC509 FLASH ROM IC231 VIDEO DRIVER CN101 AC IN DVD traverse mechanism T101 T121 Trans. REG. F1,F2 D5V -VDISP CN174 Fan motor POWER switch CN201 IC451 EEPROM IC524 F-ROM J2401 COMPOSITE VIDEO OUT J2891 AV COMPULINK2 DVD loader mechanism
8、IC201 RDS B/E/EN/EV version only COMPOSITE/Y Overall block diagram Block diagrams CN171CN173CN172 LVB10378-A1 Power board CN202CN201 CN208 CN503 CN592 IC560 IC562 IC564 IC566 AMP. IC540 IC544 IC546 IC548 IC557 AMP. IC525 IC526 IC527 SRAM J5521 STB/DBS DIGITAL IN Amplifier board CN701 LVA10379-A1 IC7
9、21 MAIN AMP. IC701 WOOFER AMP. CN402 CN206 Power key board LVA10378-A3 STANDBY LED C Y J2201 S-VIDEO IN1/IN2 J2201 COMPOSITE VIDEO IN1/IN2 IC221 VIDEO SW2 IC211 VIDEO SW1 PROTECTOR & LOW VOLTAGE DETECTOR CN702 J701 J702 CN703 CN204 W401 LVA10378-A4 CN403 J401 HEADPHONE Headphone board CN203 LVA10375
10、-A1 8TU-R 6TU-L 10RDS 4TU-DTO 3TU-CKJ 2TU-DTI 1TU-CE 14SPDIF 16DISKSTP 17SSPCLK1B 18FLINT 19SSPOUT1B 21SSPIN1A 23FLCS- 25CPURST CN205 IC201 RDS DECODER X2071 OSC TU-R17 TU-L18 S-MUTING11 12HP-R 13HP-L 16SCART-L 15SCART-R 7VOL_LATCH 8VOL_CLK 6VOL_DATA 5DSP-CLK 4DSP-STAT 3 S-PON DSP-COM 2DSP-RDY 1DSP-
11、RST 26D5V 25D5V X2701 OSC 8MHz IC271 SYSTEM MICOM 70,72-74 21-26 82,83 98,99 5962-64 75 36 34,35 42-47 51 29 67,6876 PAL/NTSC AVVLR SCART_LIN SCART_RIN TO Video input/output CN208 FROM/TO CN591 OF LVA10377-A1 (DSP) FROM/TO CN503 OF LVA10298-C1 (DVD servo) FROM/TO TUNER UNIT 8,9,1016 2 DVD-PON 17DI-D
12、ATA 16DI-CLOCK 15KEY1 KEY2 13REMOCON 8,9,18,20 61,91,92 CN207 FROM/TO CN401 OF LVA10376-A1 (FL display) 27 14 Q2861 STBY LED CTL 81 B/E/EN/EV version Q2701 BACKUP B5V Q2821 SAFETY1 DETECT +12V -12V 6 IEC95829 Main board Q2801 Q2802 S-MUTE DRIVER 13 System control section 27SWUPDN 28SWOPEN 19DI-RESET
13、 18DI-CS 10HP HP-R9 HP-L7 POWER 4 STANDBY 1 CN202 D5V5 FROM/TO CN173 OF LVB10378-A1 (Power supply) CN201 6 7 BEAT CUT AMP-PON 8 9 2 17 12 FAN-ON/OFF FAN-CTL 11 10 79 80 IC272 Q2702 RESET 33 FROM/TO CN172 OF LVB10378-A1 (Power supply) 9BASS IC251 HP AMP. Q2703 87-89 90 SW1-SELECT1 SW1-SELECT2 SW1-SEL
14、ECT BLANK-CTL 3 4 DBS-S/C VCR-S/C 54 55 VIDEO-MUTE2 VIDEO-MUTE1 49,56,57 VIDEO-LPF VIDEO-YCMIX VIDEO-RGB 4 1 CN206CN402 Power key board LVA10378-A3 only TH-A75R 2-2 TH-A75R HABCDEFG 1 2 3 4 5 IC101 FRONT END PROCESSOR IC251 SPINDEL MOTOR DRIVER IC301 SODC IC401 UNIT CPU IC451 EEPROM IC501 PANTERA-2
15、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 FROM/TO CN209 OF LVA10375-A1 (System control) DVD traverse mechanism CN101 LVA10298-C1 CN502 15 17 19 21 IC201 DRIVER FM+/- LM+/- 17,18 15,16 SM1-32,4,7 H1+/- H2+/- H3+/- 9-14 50 CPUD0-7 X571 OSC
16、 27MHz 79 476 IC509 FLASH ROM IC512 IC513 Latch 114 118 112 110 CN503 27 25 24 6 8 12 14 4M9V D5V S5V D3.3V S3.3V DDATA(NC) 14 13 12 10 9 8 6 M5V IC521-1/4 IC521-2/4 IC522-3/4 IC523 IC510 EEPROM 65 IC521-3/4 IC521-4/4 IC522-4/4 IC522-2/4 IC522-1/4 CN201 CN202 DVD traverse mechanism Loader mechanism
17、DVD servo section FROM/TO CN208 OF LVA10375-A1 (System control) TRVSW 1 X301 OSC 16.9MHz 23 X401 OSC 13.5MHz 27 26 28 11 3 4 15 2 4 11 M5V DISCSTP SSPCLK1B SSPOUT1B DISCSET SSPIN1A FLINT FLCS- CPURST SWUPDN(SW3) SWOPEN(SW2) DCLK(NC) SPDIF COUT S1OUT(NC) TOPEN TCLOSE /LMMUTE CbOUT CrOUT M9V D3.3V D3.
18、3V S3.3V YOUT D5V S5V M9V DVD servo board IC231 VIDEO DRIVER S2401 RGB/YC SW S/COMPOSITE VIDEO OUT J2401 AV COMPULINK C Y TO System control G/CV AVVLR NTSEL B/CV 19 15R/C COMPOSITE/Y 11G 7B J2403 LVA10375-A1 Video input/output section DI401 FL DISPLAY 100 2,3,5,26 CN401 9,10 1 62 -VDISP17 F218 F119
19、8 FROM/TO CN207 OF LVA10375-A1 (System control) B5V G1-G14 P1-P35 16D5VD5V REMOCON7 INITIAL2 DATA IN3 RESET IC401 DISPLAY MICOM FL display section CLOCK4 1 1412V IC402 Remocon receiver B5V 12V 29 LVA10376-A1 11 14 6 16 8 2 25 23 31 28 21 Q2311 5 R/C 14 C Y 5 11 J2201 S/COMPOSITE VIDEO IN 1 14 CV C Y
20、 S/COMPOSITE VIDEO IN 2 6 9 8 6 9 8 3 16 1 CV 11 3 16 1 Q2301 IC211 VIDEO SW1 IC221 VIDEO SW2 CV/Y J2891 33 CV VIDEO-SW2 VIDEO-SW1/SW3 VIDEO-MUTE1/MUTE2 VIDEO-Y/C-MIX VIDEO-RGB VIDEO-LPF BLANK-CTL TO System control HP-R11 HP-L13 HP10 KEY15 KEY26 S402-S410 , , , , ,SOURCE VOL-,VOL+, Q404 Q406 ILLUMI
21、LED&DIMMER D402 D403 Q403 Q405 PROG/RGB LED&DIMMER D401 40 27 39 CN403 4 3 1 W401 4 3 1 LVA10378-A4 J401 HEADPHONE Main board Q2483 Q2484 16BLANKING Switch board X401 OSC 8MHz Headphone board TH-A75R 2-3ABCDEFG 1 2 3 4 5 OUT_L- OUT_SL OUT_SR OUT_C OUT_SB MUTING FROM/TO DSP Q5711 Mute control IC551 8
22、CH VOLUME IC560 Amp. J5531 IC562 Amp. IC564 Amp. Q5731 Mute control Q5712 Mute control Q5713 Mute control Q5732 Mute control Q5701 Q5702 Mute control 9 16 10 15 12 11 34 33 32 37 31 38 Audio input/output section 29 27 26 4 5 24 23 22 1 28 IC521 DSP 15,40 42,432,3,44 143,144 1 55 4145,46,48 49,52 11
23、17 88 31 OUT_SR MUTING IC531 DSP MICOM IC511 CODEC Q531 X531 OSC 6.14MHZ 30 OUT_SL 29 OUT_LFE 28 OUT_C 26 OUT_SB VOL_DAT VOL_STB 32 IN_L 33 IN_R IC525-IC527 SDRAM VOL_CLK VOL_DAT VOL_STB D5V D5V DSP_RST DSP_REDY DSP_COM DSP_STAT IEC958 VOL_CLK LVA10377-A1 FROM/TO CN203 OF LVA10375-A1 (System control
24、) CN591 IC592 REG A3.3V FROM/TO Audio input/output DSP section 7-13 5-7,10 12-16 D1.9V IC593 REG Q532 X521 OSC 12.5MHZ LVA10377-A1 4 62 IN_L IN_R OUT_LFE 13 Q5714 Mute control 74-77 69-72 L R L R Q5733 Mute control TUNER_L SCART_L TUNER_R SCART_R STB/DBS IN VCR IN 7 4 3 8 OUT4_L OUT4_R OUT4_SL OUT4_
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