JVC TH-A75R Service Manual page 80

Standard schematic diagrams
System control section
NJM78M05FA
IC291
D2826
D2821
5
D2828
Q2821
KRC102S-X
FAN-ON/OFF
FAN-CTL
AMP-PON
BEAT-CUT
DVD-PON
S-PON
CP
CP271
ICP-N5-T
4
1SS355-X
D2822
3
G
DVD-114
DVD-118
B DVD-112
R
DVD-110
R2831 220 TOPEN
R2832 220 TCLOSE
R2833 220 LMMUTE
R2834 220 SWOPEN
2 R2835 220 SWUPDN
R2836 220 CPURST
R2837 220 CS
R2838 220 TX
R2839 220 DISC-SET
R2840 220 RX
R2841 220 INTP
R2842 220 CLK
R2843 220 DISC-STOP
1
A
To DSP section CN591
QGF1016C2-29W
CN203
56K
R2823
39K
R2824
C2751
1/6.3
*
NTSEL
VCR-S/C
DBS-S/C
C2752
KEY1 R2771 *
KEY2 0.1/16
0.1/16
C2753
100/10 C2706
0.01 C2707
DI-DO
10K
R2759
DI-CK
CN210
TX
R2760 10K
RX
CLK
R2761 10K
INTP
CPURST
CS
B2701
D2702
1SS355-X
4.7K
R2704
2.2/50 KRC107S-X
C2703
IC272
BD4740G-W
FR
R2951 22
QGF1016C2-19W
CN207
To FL display section CN401
B C
TH-A75R TH-A75R
To Power amplifier section CN702
QGF1205C1-06
CN204
BEAT-CUT
TU-CE
TU-CLK
TU-DO
TU-DI
RDS-CLK
RDS-DATA
IC271
MN101C49GKR
DVD-PON
AMP-PON
R2758
S-PON
HP
10K
VIDEO-RGB
VIDEO-YCMIX
VIDEO-MUTE2
VIDEO-MUTE1
BASS
PROTECT
RDS-ST
0
VIDEO-LPF
Q2701
KRC111S-X
1SS355-X
D2705 R2707
AVVLR
220
Q2702
KRC102S-X
Q2703
B G R
Q2861
KRC102S-X
CN206 EP201
QGF1205C1-04 QNZ0136-001Z
To FL display section CN402
D E
2-4
QGF1205C1-11
CN205
TU-R C2602
TU-L
C2601
KTA1271/OY/-T
Q2091
Q2092
KTC3875/YG/-X
Q2811
X
S-MUTING KTA1504/YG/-X
Q2801
Q2802
KRC102S-X
IC251
BA15218F-XE
C2511
HPOUT-L R2512 47/16
C2513
R2516 R2517
10K HP-L
4.7/50
33 39
R2513
160K
C2512
18P
18P
C2522
160K
R2523
R2526 R2527
HP-R
C2521
R2522
33 39
HPOUT-R
C2523
10K 47/16
4.7/50
Digital (Audio) signal Video (Composite) signal
R
Audio signal Video (Red) signal
F
X
X
EP202
QNZ0136-001Z
SAA6588T/V2-X
IC201
RDS-CLK
RDS-DATA
RDS-ST
SCART-R
SCART-L
X2071
QAX0263-001Z SCART-AGND
V12V
VS3
VS1
AGND
DVD-118
G
DVD-114
DVD-112 B
R
DVD-110
VIDEO-SW3
VIDEO-SW1
VIDEO-SW2
NTSEL
VCR-S/C
DBS-S/C
VIDEO-MUTE1
VIDEO-MUTE2
VIDEO-YCMIX
VIDEO-RGB
VIDEO-LPF
BLANK-CTL
AVVLR
DGND
G
Video (Green) signal
B
Video (Blue) signal
G H