Kenwood RD-M52MD Service Manual page 20

Micro hi-fi component system
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AY
AZ
X29-
CN2
(X07-3XXX-XX) (A/5)
2/3
F
1
CN5
AUDIO L
15
2
AUDIO GND
14
X29-
CN5
2/3
AUDIO R
13
D
S GND
12
TUNER +9V
11
+9V
3
U GND
10
5.1V
U+5V
9
+5V
9
F.OFF
8
8
+7V GND
7
+7V GND
6
7.1V
CD+7V
5
+7V
7.1V
CD+7V
4
+7V
MD GND
3
MD/DECK +B
2
+B
MD : 8.7V
DECK : 20.4V
-10V
1
10V
-10.0V
4
CN6
DGND
13
13
5.1V
DVDD
12
+B
12
SPD I/F
11
11
10
T.MUTE
10
X29-
CN6
PROT TEMP
9
2/3
5
E
PROT
8
A MUTE
7
SP.RELAY
6
POWER RELAY
5
HP RELAY
4
HP DET
3
AIN LEVEL
2
FAN CONT
1
6
FAN
CN8
X29-
CN1
2/3
G
7
BA
BB
IC1
(BOTTOM VIEW)
POWER AMP
POWER IC
MUTING
C30
R240
Q7
+B
R3
C1
2.2K
2.2K
2.2
R233
Q1
2.2K
MUTING
Q2
R234
2.2K
C2
R8
R4
2.2
1K
2.2K
2
MUTING
TUNER
10.0V
MODE : 9.1V
R232
Q8
R227
560
1K
R229
47K
10V
IC2
+9V AVR
-10.0V
IC5
13.4V
9.1V
R201
1.0 1/4W
+7V
+7V
+B
13.5V
FAN CONTROL
R206
4.7K
+B
C223
1/4W
6
2200P
Q9
5
FAN OFF
4
: 0.6V
3
IC4 (1/2)
IC4 (2/2)
R211
2
4.7K
3
5
8
1
7
2
6
4
FAN
7.1V
CONTROL
R273
100
1
+B
2
BC
BD
C29
-25.7V
+B
+B
R7
C14
R38
1K
10P
470
R14
0.22 2W
C13
R37
R13
10P
470
0.22 2W
R17
R18
R16
10K
10K
1K
C11
C12
4700P
4700P
Q3
Q4
4.9V
4.9V
CURRENT
PROTECTION
R215
R217
Q5
R219
10K
10K
+10V
4.7K
DC
PROTECTION
+10V AVR
IC6
Q6
R207
R205
OUT
IN
+B
1.0
1.0
GND
1/4W 1/4W
25.2V
10V
+B
C219
0.1
-10V AVR
R204
B
B
B
10
1/4W
+B
+B
+B
+B
4.4V
IC3
+7V AVR
8
STANDBY : 0V
POWER ON : 3.8V
5
+B
+B
13.5V
7.1V
9
+5V
C217
0.1
4.9V
R225
1.2K
BE
BF
Q11
RELAY
DRIVER
R222
4.7K
4
3
5.1V
R224
12
25.4V
82
B
R28
1/4W
R270
330 1W
3.3K
1
R27
3
330 1W
Q15
10
13
11
OPTICAL
CONTROLLER
D29
D30
23.4V
K2
R236
47K
R238
R237
47K
47K
SP.RELAY
DRIVER
Q10
D1
+B
25.4V
CN3
1
2
B
3
-25.7V
D2
13.5V
4
5
+B
D3
6
+B
7
MD VERSION : 8.7V
DECK VERSION : 20.4V
(X07- ) (B/5)
WH1
E1
D10
D7 D8
R250
1
Q12
F.OFF
Q13
R254
2
4.7K
10.0V
3
4
+B
+B
5.1V
5
+5.1V
6
AVR
CN4
IC7
D37
R256
+B
+B
D12
R257
BG
BH
CN7
1
23.4V
1
2
K3
3
4
R223
5
10K
3
Q11
A1 (W02-2732)
5.0V
W210
1
OPT OUT
Q14
R259
W211
2
+5V
+B
+5V
10
W212
3
GND
4.4V
A1 (W02-2731)
W207
1
+5V
+5V
W208
2
GND
W209
3
OPT IN
J2
SUPER
WOOFER
J1
1
Lch
2
Rch
P1
CN2
1
2
D5
RELAY
D6
DRIVER
K1
(M)
: AC110-120V/220-240V~
50/60Hz
(H,X)
: AC240V~ 50Hz
(T,E)
: AC230V~ 50Hz
+B
T1
D4
CN1
1
2
P3

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