JVC TH-A75R Schematic Diagrams
Dvd digital cinema system
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Also See for TH-A75R:
- Instructions manual (76 pages) ,
- Instructions manual (217 pages) ,
- Service manual (127 pages)
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SCHEMATIC DIAGRAMS
DVD DIGITAL CINEMA SYSTEM
SP-WA75
Contents
Block diagrams
Standard schematic diagrams
Printed circuit boards
TH-A75R
CD-ROM No.SML200302
TV
AUDIO
VIDEO/
TV SOUND
FM/AM
DVD
VCR 1
VCR
DECODE
AUDIO
ANGLE
SUBTITLE
TOP MENU
MENU
RETURN
DIGEST
SURROUND
DSP
OFF
SOUND
CONTROL
EFFECT
VCR
1
2
3
+
+
S.WFR
CENTER
TEST
Ð
Ð
TV
4
5
6
SLEEP
7
8
9
+
+
+
SETTING
SURR-L
S-BACK
SURR-R
Ð
Ð
Ð
10
0
+10
ADJUST
TV RETURN
FM MODE
100+
TA/NEWS/INFO
ON
SCREEN
DVD
RDS
PTY
PTY
ENTER
CHOICE
VFP
RDS DISPLAY
PTY SEARCH
TV VOL
CHANNEL/ZOOM
VOLUME
TV/VIDEO
MUTING
/REW
PLAY
FF/
DOWN
TUNING
UP
O.T.
STOP
PAUSE
REPLAY
REC
MEMORY
STROBE
DIMMER
STANDBY
D V D D I G I T A L C I N E M A S Y S T E M
COMPACT
RMÐSTHA75R
D I G I T A L ¥ E X
SUPER VIDEO
P R O L O G I C
DVD CINEMA SYSTEM
COPYRIGHT
2003 VICTOR COMPANY OF JAPAN, LTD.
B ------------------------------- U.K.
E ----------- Continental Europe
EN ------------ Northern Europe
EV -------------- Eastern Europe
SP-XSA75
RGB
XV-THA75R
TH-A75R
Area suffix
SP-XCA75
SOURCE
VOLUME
PHONES
2-1
2-4
2-15~21
No.21189SCH
2003/02
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Summary of Contents for JVC TH-A75R
- Page 1 TH-A75R SCHEMATIC DIAGRAMS DVD DIGITAL CINEMA SYSTEM TH-A75R CD-ROM No.SML200302 Area suffix B ------------------------------- U.K. E ----------- Continental Europe EN ------------ Northern Europe EV -------------- Eastern Europe SP-XSA75 AUDIO VIDEO/ TV SOUND FM/AM VCR 1 DECODE AUDIO ANGLE SUBTITLE TOP MENU...
- Page 2 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 " "...
- Page 3 TH-A75R Block diagrams Overall block diagram System control section FROM/TO LVA10375-A1 Main board CN591 OF FROM/TO LVA10377-A1 TUNER UNIT (DSP) CN205 CN203 TU-R TU-R TU-L TU-L Q2801 B/E/EN/EV Q2802 IC201 8,9,10 S-MUTING version S-MUTE only RDS DECODER DRIVER CN701 TU-DTO...
- Page 4 TH-A75R TH-A75R DVD servo section Video input/output section LVA10375-A1 Main board J2891 AVVLR AV COMPULINK S2401 RGB/YC NTSEL System J2403 control B/CV G/CV Q2311 BLANKING CV/Y IC231 J2201 COMPOSITE/Y VIDEO DRIVER J2401 Q2301 S/COMPOSITE IC211 VIDEO IN 1 VIDEO S/COMPOSITE...
- Page 5 TH-A75R Audio input/output section Power supply section TO CN703 OF TO CN203 OF LVA10378-A1 Power board LVA10379-A1 LVA10375-A1 D101 LVA10377-A1 DSP board (System control) (Power amplifier) CN591 CN101 F101 CN171 TUNER_L L101 +37V AC IN L103 +37V L102 SCART_L T101...
- Page 6 TH-A75R TH-A75R Standard schematic diagrams System control section To DSP section CN591 To Power amplifier section CN702 QGF1016C2-29W QGF1205C1-06 QGF1205C1-11 CN203 CN204 CN205 NJM78M05FA IC291 D2826 D2821 TU-R C2602 R2823 TU-L D2828 C2601 Q2821 KRC102S-X R2824 EP202 QNZ0136-001Z FAN-ON/OFF FAN-CTL...
- Page 7 TH-A75R Video input/output section J2403 QNZ0516-001 R2472 R2474 R2471 SCART-L C2476 4.7/25 SCART-AGND R2481 4.7/25 C2475 V12V R2482 R2442 C2444 R2473 C2434 L2391 R2432 Q2482 KRC102S-X C2454 R2452 Q2481 KRC102S-X R2191 R2485 Q2483 KRA102S-X R2486 AGND LA73054-X IC231 C2422 R2422 470/6.3...
- Page 8 TH-A75R TH-A75R DSP section Audio input/output section DIGITAL_I/O D3.3V C5106 10/16 R5226 D/A1 C5109 R5106 DATA R5240 READ R5239 C5110 C5220 R5105 0.01 C5111 2.2/50 R5104 LRCK R5238 READ IC522 NC7SU04P5-X OUT_SB R5103 WRITE R5237 IC511 OUT_C R5102 AK4586VQ OUT_LFE...
- Page 9 TH-A75R Audio input/output section DIGITAL_I/O D3.3V DGND To DSP section C5524 R5521 C5573 680P IN_L R5522 C5571 2.2K IN2_L R5575 R5574 4.7/25 R5571 C5576 4.7/25 R5576 IN_L C5523 IC557 C5572 R5573 R5572 C5552 R5551 C5575 BA15218F-XE 180P 100K IN_L2 4.7/25...
- Page 10 TH-A75R TH-A75R Power amplifier section IC721 STK403-430 IC701 STK404-130 C7345 1/50 C7012 R7016 C7341 100/25 4.7K 4.7/50 R7342 C7342 100/25 R7307 C7346 1/50 C7205 C7245 R7287 C7305 R7247 C7225 C7285 R7207 R7267 R7227 C7265 C7108 D7111 R7143 4.7K Q721 R7144 22/100 4.7K...
- Page 11 TH-A75R Power supply section IC104 KTA1504/YG/-X R1018 R1731 D101 Q103 D3SBA60 C1022 R1019 39/50 4.7k PC123Y02 C1023 C1501 QCZ0136-332Z 0.022 CN101 L151 QGA7901C1-02 QRD0141-4R0 T101 QQS0174-001 L103 0.33 L102 L101 C1019 W105 C1017 D151 R1014 FMN-G12S TH101 R1016 QCZ0136-332Z FC101...
- Page 12 TH-A75R TH-A75R DVD servo section 1/4 S3.3V D3.3V D1.8V K301 K302 K303 K304 R341 5.6K C144 0.01/16 C145 CN101 QGF0522F1-30W DGND DVD servo section T2CD HDTYPE F2CD ODCIRQ2 R318 ODCIRQ R319 C347 T1CD C141 TP309 0.1/16 0.1/16 TP308 C115 0.1/16...
- Page 13 TH-A75R DVD servo section 2/4 D3.3V R998 R995 D1.8V D3.3V DVD servo section K504 NQR0007-002X R505 DVD servo section R506 R507 C527 C524 47/4 47/4 D3.3V R508 K501 NQR0007-002X PWE0 IC505 K4S643232E-TC70 C511 C512 0.1/16 47/4 MD10 C501 MD11 0.1/16...
- Page 14 TH-A75R TH-A75R DVD servo section 3/4 DVD servo section D3.3V D3.3V S3.3V D3.3V CN502 QGF1006F2-28W LADD16 C910 IC509 SST39VF160-9CEK IC512 C904 0.1/16 LADD15 74LCX373MTC-X LADD14 R604 LADD13 C906 0.1/16 LADD12 AD15 LADD6 LADD19 CN501 AD19 C902 0.1/16 LADD11 LADD10 AD14...
- Page 15 TH-A75R DVD servo section 4/4 (Voltage value) 2-13...
- Page 16 TH-A75R TH-A75R FL display section DI401 QLF0109-001 C414 C412 C413 C411 System control section C421 C401 CN207 0.01/16 100/6.3 C427 470p X401 C426 QAX0246-001Z 470p R401 DATAIN R402 CLOCK R403 INITIAL C424 0.01 Q402 Q401 IC401 MN101C35DKW REMOCON KEY2 KEY1...
- Page 17 TH-A75R Printed circuit boards Main board Forward side J2403 S2401 J2402 J2401 J2891 EP202 J2201 C2203 C2213 C2223 L2391 IC221 C2072 X2071 B2311 C2292 C2191 C2301 C2606 R2071 C2073 D2704 R2172 C2704 R2171 R2181 B2704 D2826 B2703 Q2702 C2302 IC201...
- Page 18 TH-A75R TH-A75R Main board Reverse side J2201 J2402 J2403 S2401 J2891 J2401 C2453 C2443 C2433 C2444 R2422 R2452 C2434 R2442 R2421 R2431 C2424 R2891 C2411 R2471 R2451 R2441 C2471 C2402 C2473 R2401 R2477 EP202 D2891 C2412 R2473 C2225 R2211 R2222...
- Page 19 TH-A75R Amplifier board Reverse side C7285 C7265 R7247 C7225 R7287 R7267 C7245 R7134 R7227 C7106 R7133 C7104 R7246 R7126 R7130 Q714 Q717 TH701 IC701 D7004 C7024 IC721 D7116 R7143 R7144 R7030 R7025 R7022 R7142 C7305 R7205 R7018 R7141 D7112 R7286...
- Page 20 TH-A75R TH-A75R Power board Reverse side (Suport board 1) (Jack board) (Connection board) J401 K431 C434 C433 K433 CN181 W106 C431 C432 W105 (Standby board) (Suport board 2) W401 K432 CN182 D101 FC102 FC101 S401 Q188 R414 TH101 D153 HS153...
- Page 21 TH-A75R DSP board Forward side Reverse side CN531 R5304 R5957 TP531 CN531 TP531 R5303 CN591 R5955 C5303 R5308 R5307 R5405 C5302 R5306 C5304 C5522 R5403 IC531 R5305 X531 R5404 C5521 R5406 R5330 R5318 R5974 R5317 R5313 R5316 C5524 R5312 R5320...
- Page 22 TH-A75R TH-A75R DVD servo board Forward side Reverse side L501 C907 TP914 TPFG4 R583 TP907 CN503 CN502 C908 TP906 C902 C901 TP816 C905 C581 C601 TP818 C541 C582 TP904 Q805 C904 C906 TP854 K505 TP305 C571 R425 TP851 R215 R337...
- Page 23 TH-A75R Switch board Spindle motor board Reverse side Reverse side S409 S408 S407 S406 S402 S403 S404 C402 S405 R422 R404 Q403 Q401 B4007 B4008 R411 C421 C427 C401 C426 R438 S410 C422 R424 R413 R412 2-21...
- Page 24 TH-A75R VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.21189SCH) 2003/02...