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Kenwood HM-531MD Service Manual page 24

Kenwood micro hi-fi component system service manual

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AO
AP
TRAVERSE UNIT
D40-1612-05
1
SPD+
DISC MOTOR
M
2
SPD-
1
3
SLD+
SLED MOTOR
M
4
SLD-
5
GND
SLT.SW
6
SLT.SW
PICKUP ASS'Y: T25-0050-05 (KCP1H)
E
A
C
B
VCC
16
1/2VCC
15 VCC
F
E
14
2
C1
13
12 A
1/2VCC
11
B
VCC
VCC
10
C2
9 F
GND
8
LD GND
SHORT LAND
LD
7
LD
VR1 1K
MON
6 VR
FOCUS
5
MON
COIL
4
FC+
3
TC+
2
TC-
TRAKING
COIL
3
1 FC-
IC201
: CXA1571M
IC202
: BA5979S
IC203
: CXD2587Q
IC204
: PST993D-T
PROTECTION(X33)
IC205
: M30622MA-174FP
IC206
: SAA6579T/R or SAA6579T
Q201
: 2SD2012 or 2SD2061(E,F)
Q202,204
: UN4216 or DTC143TSA
D-OUT(FROM CD)
Q203
: 2SA954(L,K)
Q205
: 2SC3940A(R,S) or 2SD863(E,F)
Q206
: UN5116 or DTA143TUA
4
Q207
: 2SC2785(F,E) or 2SC2458(Y,GR)
Q208
: 2SA1175(F,E) or 2SA1048(Y,GR)
Q209,210
: 2SC2878(B)
D201,203,208-210,
212,213
: 1SS133 or HSS104A
D202,214
: RD5.6ES(B2) or MTZJ5.6(B)
F
D205,216,217
: DA204U
D206,207
: S5688B(TPB5)
D211,215
: MA111
RECORDING LINE
SIGNAL LINE
GND LINE
B LINE
+B
5
6
7
AQ
AR
AUDIO UNIT
(X09-612X-XX) (A/2) (1/2)
WH202
SLT.SW 6
GND 5
SLD- 4
20
R247
SLD+ 3
19
IC201
10K
VR201
SPD-
2
18
CD
FE-
22K
SPD+
1
17
RF AMP
BIAS
CN202
C220 100u10
C223 100u10
FCS-
16
12
+
+
TRK+
15
15
IC201
TRK-
14
14
(BOTTOM VIEW)
FCS+
13
13
2.5V
10
11
PD
12
NC
1.9V
NC
R234
D201
9
12
15K
L201
-VPD
11
VC
EO
10uH
2.5V
8
13
2.1V
LD
10
R209
VR
EI
220K
2.5V
7
14
2.4V
GND
9
R214
E
TE
220K
2.5V
6
15
2.2V
F
8
F
FE-BIAS
5
VEE
R213 68K
16
2.5V
C
7
FE
R212 68K
2.5V
3.4V
4
17
B
6
PD2
RFO
R211 68K
2.5V
3
A
5
PD1
R210 68K
0.2V
2
18
2.5V
D
4
PD
RFI
19
0V
E
3
LDON
1.9V
5.0V
APC
3.9V
Q203
1
20
AMP
LD
VCC
VCC
4.5V
C227
68P
+
VCC
2
VCC
VC
1
CN201
RF
1
FE1
2
FE2
3
VC 4
TE2
5
TE1
6
R207 1K
S.S
7
CN205
B
1
8.3V
+8V
2
+8V
D.GND
3
W109
4
CD-GND
5
CE
6
A.MUTE
7
5.0V
+5V
8
+5V
U.GND
9
UART1(09OUT)
10
35
UART2(330UT)
11
36
RST
12
A.GND
13
12.3V
+12V
14
+12V
+12V
LIN(MD REC)
15
4
RIN(MD REC)
16
3
L203
R333 1.5K
C205 10u50
LOUT(MD PLAY)
17
+
W188
G
W188
R334
C206
L204
1.5K
10u50
ROUT(MD PLAY)
18
+
J201
E
1
FM 75
2
FM 300
3
GND
4
AM ANT
5
J201
F
1
FM 75
2
3
GND
4
AM ANT
J202
AS
AT
R248
R329
10K
2.2
1/4W
VCC
CD
4CH BTL
R222
8.3V
R245
100
IC202
1M
R240
100
D
D
D
D
POWVCC
R233
10K
REGULATOR
T.S.D
MONITOR
THERMAL
R236
SHUTDOWN
1K
VCC
LEVEL
SHIFT
MUTE
D
D
D
D
PREVCC
POWVCC
VCC
L205
+8V
+8V
10uH
C299
470P
37
C286
100P
+5V
+12V
AU
AV
C281
C219
100P
220P
4.5V
C222
0.022
2.4V
R
R
F
2.5V
INTER-
2.5V
FACE
F
R
R
F
INTER-
FACE
VREF
F
0.3V
33
POWVCC
0V
32
0V
31
F
0V
30
INTER-
0V
FACE
29
0.5V
R
R
F
28
4.9V
W505
5.0V
VCC
C240
C242
0.1
4.7u16
+8V
+
8.3V
Q208
5.0V
R299
10K
+5V
AVR
C
R249
D203
180K
40
R246
2.5V
4.7K
+5V
Q204
2.5V
MDP
PROTECTION
0V
+
+8V
AW
AX
R215
+5V
4.7K
R223
C295
15K
22P
2.4V
SERVO
BLOCK
ASYMMETRY
CORRECTOR
40
SE
39
FE
OP AMP
A/D
ANALOG SW
CONVERTER
38
VC
37
XTSL
36
TES1
35
TEST
34
VSS
PWM GENERATOR
SERVO DSP
33
PRDR
FOCUS PWM
32
FFDR
FOCUS SERVO
GENERATOR
31
TRDR
TRACKING PWM
TRACKING
30
TFDR
GENERATOR
SERVO
29
SRDR
SLED PWM
28
SFDR
SLED SERVO
GENERATOR
27
MIRR
SSTP
SERVO
DFCT
INTERFACE
FOK
26
MDP
25
LOCK
24
FOK
23
DFCT
22
MIRR
21
COUT
+12V

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