JVC TH-A75R Schematic Diagrams page 3

Block diagrams
Overall block diagram
5
4
3
CN209 CN208
CN502 CN503 CN171
2
CN101 CN201 CN202
1
A
CN701
CN592
CN205
CN591
CN203 CN204
CN202 CN201 CN206
CN207
CN173 CN172 CN402
CN401
W401
CN174
CN101
B C
System control section
LVA10375-A1
FROM/TO
TUNER UNIT
CN205
TU-R
8
TU-L
6
B/E/EN/EV
16 IC201 8,9,10
version
RDS
10
only
RDS DECODER
TU-DTO
4
TU-CKJ
3
TU-DTI
2 X2071
TU-CE
1 OSC
FROM/TO
CN503 OF
LVA10298-C1
(DVD servo)
CN208
SPDIF
14
DISKSTP
16
SSPCLK1B
17 70,72-74
FLINT
18
SSPOUT1B
19
SSPIN1A
21
FLCS-
23
CPURST
25
SWUPDN
27 21-26
SWOPEN
28 82,83
98,99
X2701
13
OSC
SYSTEM MICOM
8MHz
FROM/TO
CN401 OF
8,9,18,20 27 81
LVA10376-A1
61,91,92
(FL display) CN207
DI-RESET 19
DI-CS 18
DI-DATA 17
DI-CLOCK
16 Q2861
KEY1
15 STBY
KEY2 LED
14
REMOCON CTL
13
HP
10
HP-R 9
HP-L 7
LVA10378-A3
Power key board
POWER
CN402 CN206
STANDBY
4 4
1 1
D E
FROM/TO
Main board CN591 OF
LVA10377-A1
(DSP)
CN203
TU-R
17
TU-L
18
Q2801
Q2802
S-MUTING
11
S-MUTE
DRIVER
IEC958
29
12 HP-R
13 HP-L
SCART-L
16
SCART-R
15
BASS
9
VOL_CLK
8
29 VOL_LATCH
7
67,68 76 VOL_DATA
6
DSP-CLK
5
4 DSP-STAT
DSP-COM
3
34,35 DSP-RDY
2
42-47 DSP-RST
1
51
D5V
26
D5V
25
SCART_RIN
SCART_LIN
SW1-SELECT1
SW1-SELECT2
SW1-SELECT
87-89
IC271
90
BLANK-CTL
VIDEO-LPF
VIDEO-YCMIX
VIDEO-RGB
49,56,57
54
VIDEO-MUTE1
55
VIDEO-MUTE2
3
VCR-S/C
4
DBS-S/C
36
AVVLR
Q2703
2
PAL/NTSC
79 6 33 59 62-64
80 75
FROM/TO
CN173 OF
LVB10378-A1
(Power supply)
CN202
D5V
5
FROM/TO
CN172 OF
IC251
LVB10378-A1
HP AMP.
(Power supply)
CN201
6 S-PON
7 DVD-PON
8 BEAT CUT
AMP-PON
9
Q2701
B5V
2
BACKUP
IC272
Q2702
RESET
Q2821
SAFETY1 +12V
17
DETECT -12V
12
11 FAN-ON/OFF
10 FAN-CTL
F G
TH-A75R
TO
Video
input/output
2-1