Kenwood KRF-V7771D Service Manual page 21

AE
WH7
E9
(X11-3822-70) (B/7)
+17V
C242
150P
R239
3.9K
17V
+17V
IC18
VOL.OUTPUT/
6ch INPUT
SEL.
17V
+17V
IC4
VIDEO(AUDIO)
INPUT SEL.
17V
+17V
IC18
VIDEO ANALOG INPUT
6ch INPUT
2ch INPUT
AF
G
+17V
IC18
1
VSS VDD
2
3
6cH SL VOL SR
4
VOL SL 6ch SR
5
6
OUT-SL OUT-SR
7
6ch SW
8
VOL SW
9
OUT
10
6CH C
11
VOL C
12
OUT-C
13
STB DATA
14
GND CLK
17V
2 3 4 5 7 8 10 11 27 26
L1 L2 L3 L4 L5 L6 L7 L8 R1 R2
Y05-3862-70
AG
28
27
26
25
24
23
22
21
20
19
18
17
16
15
R71 C53
470K 100P
R69 R70
470K 470K
( :SW ON)
25 24 22 21 19 18
R3 R4 R5 R6 R7 R8
KRF-V7771D(E,ET) (2/6)
KRF-V7771DE(E2) (2/6)
KRF-V7771D/V7771DE
AH AI
X25-A/7
-CN25
X25-A/7
-CN26
X08-C/7
-CN19
WH1
E3
15
B-MUTE
14
A-MUTE
13
X08-C/7
20dB ATT
-CN12
12
SW-MUTE
11
VOL IN L
10
GND
9
VOL IN R
8
GND
7
X11-A/7
VOL IN C
6 -E1
S-MUTE
5
VOL IN SW
4
GND
3
VOL IN SL
2
GND
1
VOL IN SR
X25-A/7
-CN28
CN10
4 STB
3 DATA
2 CLK
1 DGND
20 NC
19 NC
18 NC
17 PRE OUT Rch
16 PRE OUT Lch
15 ROOM B BUF Lch
14 ROOM B BUF Rch
X25-A/7
-CN22
13 GND
12 ROOM A SEL Lch
11 ROOM A SEL Rch
10 GND
9 ROOM B SEL Rch
8 ROOM B SEL Lch
7 GND
6 6 VIDEO1 REC Lch
5 5 VIDEO1 REC Rch
4 VIDEO2 REC Rch
3 VIDEO2 REC Lch
17V 2 -17V
+17V 1 +17V
CN2
5/6
D
5/6
E
3/6
F
3/6
G
4/6
H
5/6
I
5/6
J