Kenwood RD-VH7 Service Manual page 21

AE AF
(X09-632X-XX) (A/4)
CN10
5V AVR
5.5V
Q Q
B.L.+5V 11 +5V
3 7 6 3 1 5 1 5 0
B.L.GND 10
Q32
NC 9 R86
510
DATA IN 8 6
X09-C/4
1
5.8V
-CN11 DATA OUT 7 5
SCLK 6 7
R187
2/3
47K
D43
E
RESET 5 3
WAIT 4 4
-9.6V
-10V 3 10V
-9.0V
+
GND 2
D31
+5V 1 +5V
CN4
R29
2.2K
Lch
1
2
0V
R67
2.2K
Q1,2
MUTE
Q1 0.7V
A.GND 2
Q2 R68
2.2K
X09-B/4
-CN5
0V 0.7V
R30
2.2K
2/3
Rch 3
F
+12V 4 +12V
CD Rch 5
3
CD GND 6
CD Lch 7
TAPE REC SEL. 8
TUNER Lch 9
TUNER GND 10
TUNER Rch 11
MD REC SEL. 12
E. VOL DAT 13
E. VOL CLK 14
E. VOL CE 15
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN6
PLL-CE 15 78
PLL-CLK 14 80
4 PLL-DAT 13 79
X14-A/6
PLL-DO 12 77
-E1
FM-DET 11
2/3
S-LEVEL 10 95
SD 9 74
D ST 8 73
DE-EMPH 7 82
T MUTE 6 81
+12V 5 +12V
Rch 4
A GND 3
Lch 2
-12V 1 12V
J4
1
5
S. DATA 2
S. BUSY 3
SYSTEM
CONTROL
4
A1
R129
1
+5V +5V
X09-D/4
4.7
+
-CN400 DIGITAL
OUT
2
OPTICAL
OPT. GND
1/3
3
OPT. OUT
A
(X14- ) (C/6)
CN2 WH1
A2
X09-D/4 D32
R124
3 +5V
6
-CN405 +5V 3 3 +5V
100
+
2 REMOCON
2 2
1/3
GND
1 1
1
B
w w w
REMOTE
SENSOR
X14-B/6
-CN1
2/3
30 29 28 27
CN8
C
7
AG AH
R88
2.2K
5.0V
-10V
AVR
Q17
-9.6V
B B
R81 Q18
18K 4.9V
-10V
ON/OFF
+B +B
C55 R33
2.2u50 1K
+
C79 1000P
3
+
C78 1000P
16
+
C56 R34 18
2.2u50 1K
19
+
Q11
A MUTE
+12V +12V
5.4V
R159 R163
10K 10K
D24
5.3V 4.8V R162 10K
3.7V IC9
R164 1K
RESET
IN OUT 12
Q11 +
GND 0V
R161
RESET +
1K
IC
Q40
D2
C152 0.01
D25
R72 3
1.5K
L2
R211
A
1uH
22K
+B
+
1.0V 2.5V
IC7
RDS
DEMODULATOR
C182
47u6.3
+
L1
R192
D40
10uH 10
+B +B
B B
+B +B
+5V
DIGITAL
+B
x a o
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
. i
A
AI AJ
B
+B
+12V +12V
+B
R167
D33
330
R169 100K
R237
56
R170 100K
100K
55
D34
R168 C211
0.01
330
C189
0.01
R232
47K
R197
100
0V 50
50 S401
R196
100
4.9V 49
49 PT2
R231
10K 48
NC
R228 Q Q
10K 47 3 7
R193 NC
100 46
46 PT1
45 0V
NC
4.8V 44
44 LOADING MUTE
0V 43
43 LOADING
0V 42
42 SL+
0V 41
41 SL-
0.3V 40
40 RWC
R227
100K
4.7V
R191
100
39
39 DRF
4.9V
R142
100
38
38 CD RST
37
NC
36
NC
35
R226 (E2PROM SCLK)
100K 34
(E2PROM SDAT)
4.9V 33
33 SCLK
R190
100 0V 32
32 SRDT
31
R225
NC
100K
+B +B
+B +B
+5V +5V
+B
u 1 6 3
y
AK AL
2 4
8 9 9
B B
+B +B
+12V +12V
+B +B
R241 100K
76
R242 100K
75
+B +B
+B +B
R238 100K
R239 100K
R240 100K
T MUTE
ENPHA
NC(CD ON/OFF)
NC
FAN H/L
FAN ON/OFF
6 3 1 5 1 5 0 8 9
POWER RE.
PROTECT
KEY1
IC4
KEY2
MAIN u-COM
(BOTTOM VIEW)
KEY3
PT4
PT3
A LEVEL IN
RDS LEVEL
AVSS
PROTECT2
VREF
AVCC
H.P IN
4.9V
C165
4.9V
0.01
+B +B
3
+B
+5V
+B +B
m
c o
.
AM AN
2
8 9 9
B
+B
+12V
+B
+B
+B
81 0V
81
82 0V
82
83
84
85 4.8V
85
86 4.8V
88
86
87 0V C164 0.01
2 4 9 8 2 9 9
87
88 0V R206 100 R249 100K
R250 10K
R171
89 5.2V 100
C167 1000P
89
R251 10K
R172
90 5.2V 100
C168 1000P
90
R252 10K
R173
100
91 5.2V C166 1000P
91
92 0V
93 0V
94 0V
R253 100K
95 0V R254 100K
96
97 3.5V R221
100 C217 0.01
98 5.2V
+B
99 4.9V
+B
100 0V R149 100
100
R266 10K
R148
C191 0.01
47K
R265 10K C218 +
100u10
C192 0.01
+B
C125
+
10u16
+B
+5V
+B
1 2 3 4 5 6 7 8 9 10
CN9
C