Aiwa HV-FX7800 Service Manual page 13

BLOCK DIAGRAM -2/6 (AUDIO/VIDEO SECTION)
HiFi PB A
To
HiFi PB B
CYL.HEADS
HiFi REC
To
POWER/ TU.A.L
TUNER
SECTION
TU.A.R
PKM02 PMK02
JK902
3
AUDIO-L
JK903 5
AUDIO-R
ENTREE(AV 3)
KEY 1 C.B
<7800>
:PB AUDIO SIGNAL
:REC AUDIO SIGNAL
A.MUTE "H"
To IIC CLK
SYSTEM
IIC DATA
CONTROL/
A.ENV
SERVO/OSD
SECTION LP REC MUTE "H"
A.H/SW
:PB VIDEO SIGNAL
:REC VIDEO SIGNAL
IC801
TDA9605H
Hi-Fi AUDIO PROCESS
Q906
MUTE SW
-13-
MOD.A.OUT
To
POWER/
BUF.V.IN
TUNER
TU.V.IN
SECTION
IC901
MM1443XJ
INPUT SELECT SW
33 SCL
JK901(1/2)
32 ADA
21
20
29 V.OUT3 E1.V 1
19
30 V.OUT2 E2.V 3 18
17
31 V.OUT1 EXT.V 5 16
15
TU.V 28
14
13
12
11
10
9
8
7
6
5
4
3
2
1
JK901(2/2)
42
41
40
39
38
37
36
VIDEO OUT
35
To
34
AUDIO/
33
MONO A.IN
VIDEO
32
AUDIO OUT 1 SECTION
31
30
29
28
27
26
25
24
23
22
AUDIO
OUT(R)
OUT(L)