Kenwood KRF-V7772D Service Manual page 16

P Q
PC BOARD (Component side view)
Q Q
3 7 6 3 1 5 1 5 0
AUDIO UNIT
1
X09-6270-10 A/5 (J70-1293-01)
1 5 1 Q107 5 1 Q101
Q105 LSch
CN23 CN21
1
2
VR5 VR1
Q51 R237 Q53
Q31
E
B E B
B E
W12
D79 D59
IDLE.ADJ. IDLE.ADJ.
8 W2
W13
C223
W9
C159 C123
W10
2
1
R227
3
C213
1 R203
Q13
B
E
R98 W7
1
W22
T E
L 1 3 9 4 2 2 9 6 5 1 3
13
D38
4
7
D37
D36 CN8
D35
15
C15
R16
C16
R15
C62
C18 C17
C14 C13 C61
PHONO
R14 R13
AMP
R18
C12 C11
R17
28
5 R12 R11
W14
IC1
W15
1 8
W16
R8 R7 W11
C10 C9
7
1
R10 R9
W18
W19
C7
C8
W21
R6 R5
C6 C5 R42
C4 1
R41
C3
R44
6
J11
J1
w w w
PHONO CD1 REC PLAY
OUT
MD/TAPE1
7
17
R S
5 1 Q103 5 1 Q109 5 1 Q110 5
Lch Cch
CN25
1 1
2 2
VR3
Q33
R137 R337 Q73
Q71
E
B E B
B E
W43
D95
IDLE.ADJ.
W24 W40 W53 W59 W74 W91
W30 W41 W58 W65 W79
W38 W56 W72 W85
W32 W75 W86
C323 W68 W81
C224
C124
LIMTER
D102
D101
R373 D104
R375
Q2
B E B
-17V +17V
W39
1
W45
W46
FAST
MUTE CONT OFF
INPUT
SELECTOR
BUFFER
REC AMP
C60
R67
R84
R68
15 28
4 1
4
1
IC4
IC3 IC2
8 5
5 8
14
1
R71
R65
R83
C59 W94
C47
R50
J12 J2 J13 J14
x a o
REC PLAY REC PLAY VIDEO2 VIDEO3
IN OUT IN OUT IN PLAY PLAY
IN IN
. i
CD2/TAPE2
VIDEO1
MONITOR
T U
1 Q102 5 1 Q104 5 1 Q106 5 1
Rch RSch
CN22 CN24
1 1
2 2
VR2 VR4
R238
Q32 R138 Q34
Q52
B E B E
B E
W93
J10
W130 D80
IDLE.ADJ. IDLE.ADJ.
W105 W122
W101 W113
W103 W121
W99 W111
W100 W112
D103
D82
R252
C374 D62 R152
R158
D96 R351
D81
R370 R251
R157
Q86
D61
R151
R371 E
B
R382 R153
B E D3
C380 R253
Q87
R353
D4
R381
R154
R383
R380
R254
C381 D6
B E
R374
Q85 D5
W29
R372 R384 D25
D108
W180
DC PROTECT
21
CN1
W178
W192
W193
+8V R263
R197
E B E
Q16
R77
Q1 R76
R75
R161
W172
Q Q W166
R162 3 7
W160
W156
W129
R86
W149
W142 R87
L3
W33
R88
R85
L1
C331
C234
C236 C335
C232 R256 C132
C135 C133 C136
R155
C131 C231
W157 C235
W185
W165
D97 D98
15
W116
W117
IC5
W118
14
C66
W102
W97
W150 W175
W104
W181
W190
C142 C144 C143
W143
J3 J4
u 1 6 3
y
VIDEO4
PLAY
IN
R L R
A B
FRONT SPEAKERS
18
V W
X09 C/5
2 4
8 9
5
Q108
R236
Q54 CN7
1
1 3 5 6 7
B E
3
X09 B/5
C382
R385
Q89
E B
D13
R387
D109
D14
W198
E4
D16
PROTECT. 9 W201
D15 9
1
W196
C151
1
1
C160
W195
1
D26
D31
D32
+5.6V
C194
E3
W202
W191 1
D23
WH5
P6
C155
C156 11 D9
D30
P5
D2
6 3 1 5 1 5 0 8
L2 POWER
C153 C154
SUPPLY
D1
C152
W155
R89
C157
C333
R355
C134
R156
C233
R255
D99
W212
C158
D100
R192
C189
W194 W207
W208
W205
C241
W206
J5
m
c o
.
L R L C
SURROUND SPEAKERS CENTER SPEAKER
Refer to the schematic diagram for the value of resistors and capacitors.
X Y
X09 D/5
2
9 8 9 9
120V
POWER
X09
E/5
WH5
11
W136
O
G
I
C190
C172
9 2 4 9 8 2 9 9
P1
T1
W215
P4
ORG
COLD
2
K1
P3
BLU 1
HOT
F1
CN10
CN9
F2
CN12 CN11
J7
AC OUTLET