System Control Section - JVC TH-V70R Service Manual

TH-V70R

System control section

LVA10308-A1
FROM/TO
TUNER UNIT
CN805
TUR
8
TUL
6
5
B/E/EN
version
RDS
10
TUDTO
4
TUCK
3
TUDTI
2
TUCE
1
FROM/TO
CN503 OF
LVA10311-A1
(DVD servo)
CN801
SPDIF
14
SWPHOTO
1
DISKSTP
16
SSPCLK1B
17
4
FLINT
18
SSPOUT1B
19
SSPIN1A
21
FLCS-
23
CPURST
25
CN106
7
TO
1
MOTOR
3
Door motor
2 DRIVER
FROM/TO
CN701 OF
LVA10320-A1
(FL display)
CN802
RESET
8
CLOCK
9
DATA IN
10
INITIAL
11
REMOCON
12
3
LVA10308-A5
IC871
REMOCON
D8721
D8722
DISC LED
LED board
LVA10308-A4
S551
2
DOOR DETECT
SWITCH
Open/Close board
LVA10308-A2
S501-S510
Key switch
Switch board
1
A
2-2
16 IC191 8,9,10
RDS DECODER
X191
OSC
4.322MHz
29
70,72-74 67,68 76
IC801
5,21-26
SYSTEM MICOM
83
IC108
1,9
56,57
18,20 27 50 79,80
91,92
Q8712
Q8713
LED
CTL
CN812 W812
Q8711
1 1
REM +B
2 2
CTL
5 5
W802 CN814
2 2
3 3
W801 CN813
2 2
3 3
B
Q802
Q805
SMUTE
Q804
Q807
SW P.ON
89
85
90
X801
13
OSC
8MHz
33 1
IC803
RESET
34,35
42-47
36
Q816
2
4,48 8,9 30 59 62,64
Q818
BACKUP
Q803
SAFETY
DETECT
FROM/TO
CN401 OF
Main board
LVA10309-A1
(DSP)
CN806
TUNER R
22
TUNER L
21
SMUTE
28
IEC958
5
SW P.ON
27
AUX
29
TUNER
30
OUT L
24
OUT R
26
VOL_CK
14
VOL_DT
13
VOL_STB
12
DSPCLK
11
DSPSTATUS
10
DSPCOMMAND
9
DSPREADY
8
DSPRESET
7
D5V
2
D5V
1
Japan version
TO
AUDIO_R
Audio I/O
AUDIO_L
AVVLR
TO
RGB/NTB
Video I/O
D5V
P.ON
DVD P.ON
TO
B5V
Power supply
+12V
-12V
C D