Kenwood KRF-V9992D Service Manual page 14

AE AF
(X25-604X-XX) (B/7)
VR-3100(K,P) ONLY
CN11
1 MUTE
8 2 FAN-ON
7 3 FAN-H/L
10 4 DATA
11 5 CLK
12 6 VST
+5V +5V 7 +5V
5V 5V 8 -5V
D
9 9 TAPE-2
C507 2.2u50
10 FRONT-V
+
C128 0.022
11 FRONT-C
W194 C127 0.22u50
12 FRONT-Y
+
13 V-GND
CN27
1 GND
2 GND
E
3 GND
4 GND
E18
11
11 CONT-A
10
10 CONT-B
9
CONT-P
8
GND
7
+5V +5V
6
6 SYNC
F
5
5 V-1
4
V-2
3
V-3
2
V-4
D92
1
WIDE
4
D93
3
D94
2
D95
Q
1
IC11,12,51 : SN761200N
IC13 : TC74HC4051AP
5.0V
IC52 : MC14577CF
R
IC53 : NJU3713D
R912 Q902
4.2V
IC90 : BA7645N
1K 5V
IC91 : NJM4580L
4.9V AVR
+5V
AG AH
(X11-380X-XX) (B/7)
J5
R68
220
Rch 1
SECOND ROOM
PRE OUT (ROOM B)
R67
Lch 2
220
J3
R42
(AUDIO)
1K
Rch 1
12
VIDEO 4
PLAY IN
R41
1K
Lch 2 8
R46
1K
Rch 3 4
VIDEO 3
PLAY IN
R45
1K
Lch 4 7
J4
R54
1K
Rch 1 3
VIDEO 2
PLAY IN
R53
1K
Lch 2 6
R58
220
Rch 3 5
VIDEO 1
REC OUT
R57
220
Lch 4 6
R62
1K
Rch 5 2
VIDEO 1
PLAY IN
R61
1K
Lch 6
Q12,14,30,31,52,901 : 2SC4081(R,S)
Q15-17,55 : 2SC4213(B)
Q53 : UN5119 or DTA113ZUA
Q54 : UN5212 or DTC124EUA
Q902 : 2SA1611(M5,M6)
D92-95 : DA204K
D901,902 : MA111
AI AJ
R71
470K
R69
470K
VIDEO
(AUDIO)
INPUT SEL.
A B B
(ROOM A: A
ROOM B: )
B
IC4
B A A
(BOTTOM VIEW)
R70
470K
C53
100P
16.3V
+17V
ROOM B
IC5
LINE BUFF
(1/2)
C61
4.7u50 3 C65
8
1 10u50
+
2
+
R87 100
R88 100
6
+ C66
7
C62
+ 5
10u50
4.7u50 4
IC5
(2/2)
-16.5V
-17V
VR-3100(K,P) ONLY
AK AL
X25-A/7
-CN25
5/6
IC4 : TC9163AF
IC5 : NJM4565D D
X25-A/7
-CN26
5/6
E
X08-
CN19
16.3V
3/6
F
X25-A/7
-CN28
CN10
5/6
13 4 STB
16 3 DATA
G
15 2 CLK
1 DGND
-16.5V
CN2
20 NC
19 NC
18 NC
17 PRE OUT Rch
16 PRE OUT Lch
+17V
15 ROOM B BUF Lch
X25-A/7
14 ROOM B BUF Rch
-CN22
13 GND
5/6
C55
150P 12 ROOM A SEL Lch
11 ROOM A SEL Rch
H
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
SIGNAL LINE
VR-3090/3100(K,P) (2/6)
GND LINE
KRF-V9992D(M) (2/6)
+B B LINE
B LINE
B
KRF-V9992D/VR-3090/3100
Y05-3900-10
AM AN
2SC3944
DTA124EUA
NJM4565D
CAUTION: For continued safety,
replace safety critical components
only with manufacturer's recom-
mended parts (refer to parts list).
indicates safety critical compo-
nents. For continued protection
against risk of fire, replace only with
same type and rating fuse(s). To
reduce the risk of electric shock,
leakage-current or resistance mea-
surements shall be carried out
(exposed parts are acceptably insu-
lated from the supply circuit) before
the appliance is returned to the cus-
tomer.
The DC voltage is an actual reading
measured with a high impedance
type voltmeter with no signal input.
The measurement value may vary
depending on the measuring instru-
ments used or on the product.