Kenwood RXD-M52-L Service Manual page 14

AE AF
(X29-270X-XX)
+9V
+5V
+7V
+5V
+B
4
B
Q7
IC12
Q6
MD BACK UP
POWER
X4 DETECTOR
4.332MHz
80
RDS 81
DEMODULATOR
82
83
84
85
D10
MD : 8.7V
86
DECK : 20.4V R151 R150 R149
4.3K 15K 3.3K 87
90
R143 10K
R159 C72
7.1V PROTECTION
4.3K 4.7u50
DRIVER
88
+
MD : 8.2V
R144 10K
DECK : 20.0V
Q2
R147 10K R148 100
5.1V
91
92
C74
2200P
C75
2200P
R145
10K
100
R153
15K
R154
4.6V
D2 R171
15K
1
+B
+5V R172
4.7V
+B +5V
4.7
RESET
IC
RESET
IC2
C52 R104
D1
1u50 1K
OUT IN
+
GND
Q1
5V
+5V
MD VERSION : 5.1V
DECK VERSION : 12.1V
+12V
+12V
MD VERSION : 5.1V
DECK VERSION : 12.0V
AG AH
+9V
+5V
+7V
+5V
+B
MD VERSION : 8.7V
DECK VERSION : 20.4V
56
+B
54
D
AMP
81
LD ON
82
SPEED
83
DC OFF
84
LOAD OUT
85
LOAD IN MD/DECK
86
V/H
R195 87
D IN SW
1K
R196 88
8 SW 1
1K
89
XY SW
IC1
90
PROT
SYSTEM u-COM
91
PROT TEMP
92
A IN LEVEL
93
BACKV
94
RDS S LEVEL
95
KRO
96
A VSS
97
KRI
4.7V
98
+5V AVREF 4.6V
99
+B A VCC
R197
100
12SW
1K
for CD for CD
R110 C77
4.7M 1
R112
X2
1M
C61
X1
0.1
+B
+5V
+5V
AI AJ
5.1V
+5V
4.6V
R131 220
53
R130 220
R141 52
R129 220
47K
51
TUNER
50 R128 220
HALF SW 50
49 R127 220
REC F SW 49
R126 220
48
PH SW 48
47 R125 220
CL SW 47
46 R256 1K
LCD CS1 46
R124 220
45
OP SW 45
44
SCL
43
SDA
42
STB 42
41
W/R 41
41
40
SMK 3
39
SMK 2
38
SMK 1
37
SQCK 37
R115 220
36
SQSO 36
C65 470P
R158 1K
35
SMK M/D
34 R176 1K
LCD RST 34
DISPLAY
R175 1K
33
LCD SCL 33
32 R174 100
LCD AO 32
R173 100
31
LCD SI 31
+5V
+5V
5V
+5V
+12V
+12V
AK AL
+9V
+7V
+5V
+B
10V
C165
33P
IC14
-5V AVR
(MD)
IC3
MD VERSION
: 8.7V
DECK VERSION
MD VERSION
: 20.4V
: 5.1V
DECK VERSION
: 12.1V
R233
0.1 1/2W
C151 W31
+
+12V
C69
1000P R122
100K
R123
100K
+5V AVR
IC5
C68 R121 R120
4.7V
1000P 100K 100K
C67 R119 R118
1000P 100K 100K
+5V
5.1V 7.1V
5.1V
R116
100K
R117
100K
IC4
C66
MD VERSION : 8.4V
1000P
DECK VERSION : 20.4V
R234
4.7 1/4W
C154
+
MD VERSION : 5.1V
DECK VERSION : 12.0V
Y39-3560-10
AM AN
C
CN9
79 1 DECK DT
78 2 DECK CLK
53 3 REC R SW
52 4 TYPE SW
51 5 PLAY SW
50 6 HALF SW
49 7 REC F SW
48 8 PH SW
47 9 CL SW
45 10 OP SW
77 11 SLT OP
76 12 SLT CL
41 13 STB
CN5
1 Lch
2 A GND
3 Rch
X07-A/5
4 S GND
9.1V -CN5
+9V 5 TUNER V
6 u GND
3/3
5.1V
+5 7 u +5V
D
8 F OFF
9 CD R GND
7.1V
10 CD S GND
+7V 11 CD S HOT
12 CD +7V
13 MD GND
+B 14 MD NR
10V 15 -10V
-10.0V
CN6
1 D GND
5.1V
+5V 2 D VDD
X07-A/5
3 SPD I/F
-CN6
57 4 T MUTE
91 5 PROT TEMP 3/3
90 6 PROT
67 7 A MUTE E
68 8 SPRLY
69 9 PWRRLY
71 10 HPRLY
72 11 HP DET
92 12 A IN LEVEL
4 13 FAN CONT
CN2
46 11 LCD CS1
X07-E/5
10 GND
-CN14
42 9 STB
3/3
41 8 W/R
34 7 LCD RST
F
32 6 LCD AO
-10V 33 5 LCD SCL
4.9V
ON/OFF
31 4 LCD SI
+5V 3 +5V
-10.0V
Q4
10V 2 -10V
R165
-10.0V
22 1 DIMMER
10K
CN1
-9.3V
28 1 ENC B
27 2 ENC A
24 3 LED CD
X07-C/5
DRIVER
Q3 25 4 LED MD/TAPE -CN9
(Q4)
23 5 STBY GR
3/3
21 6 STBY RED
5.1V
19 7 REM
G
+5V +5V 8 LED +5V
+5V 9 u+5V
4.7V
10 GND
11 KEY GND
95 12 KRO
97 13 KRI
RXD-M52 (2/3)
RXD-M52