Kenwood RXD-M52-L Service Manual page 12

Micro hi-fi component system
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K
L
X28-
CN2
Q Q
2/4
2SA1286-T11
2SD863
3 7 6 3 1 5 1 5 0
C
2SA992
1
2SC1845
2SC3940A
DTA124ESA
2SC2458
DTC124ESA
UN4112
2SA1048
2SC1740S
2
DTC143TUA
2SC4116
UN4212
UN5216
2SA1576A
2SA1586
2SC4081
DTA124EUA
DTC124EUA
3
TA8409S
NJU3713D
BA3126N
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
HA12219NT
NJM2904M
LM2940CT-5.0
DAN202U
DA204U
UN5212
5
SI-3050C
BU1923F
NJM2100M
6
X28-
E1
w w w
2/4
UPC2905HF
CXA1821M
B
X33-
CN1
.
1/4
A
7
M
N
RXD-M52-L (X29-270X-XX)
DESTINATION
C107,108,117,118,152,
C111,
UNIT No.
B
D
E
C
A1
165,167,169,252,254
112
COUNTRY
ABB.
U.S.A.
K
0-11
GENERAL MARKET
M
NO
W02-2741
0-21
AUSTRALIA
X
NO
YES
NO
YES
U.K.
T
EUROPE
E
2-73
YES
W02-2742
KOREA
H
RD-VH5MD-L/S (X29-2702-71)
DESTINATION
C107,108,117,118,152,
C111,
UNIT No.
B
C
D
E
A1
165,167,169,252,254
COUNTRY
ABB.
112
T,T2
U.K.
EUROPE
E
2-71
YES
NO
YES
W02-2742
YES
NO
KOREA
H
RD-M72MD (X29-2702-72)
DESTINATION
C107,108,117,
C111,112,165,
UNIT No.
B
D
E
C
A1
COUNTRY
ABB.
118152,169
167,252,254
U.K.
T
EUROPE
E
2-72
YES
NO
W02-2742
YES
NO
KOREA
H
RD-VH5MD-L/W/S (X29-2700-00)
DESTINATION
C107,108,117,118,152,
C111,
UNIT No.
B
C
D
E
A1
COUNTRY
ABB.
165,167,169,252,254
112
JAPAN
J,J1,J3
0-00
NO
YES
W02-2740
YES
NO
RD-IT2000MD-R (X29-2700-01)
DESTINATION
C107,108,117,
C111,112,165,
UNIT No.
B
C
D
E
A1
118,152,169
167,252,254
COUNTRY
ABB.
JAPAN
J2
0-01
NO
YES
W02-2740
YES
NO
CD MECHANISM (D40-1674-05) / CDM-34(B)
IC1
:
IC2
: S-80840ANY
TRAVERSE UNIT (D40-1639-05)
IC3
:
IC4
:
IC5
: uPC2905HF or
LM2940CT-5.0
HA12136A
IC6
: M62498AFP
IC7,11,13
: NJM2100M
IC8
: CXA1821M
IC9
: CXD3017Q
IC10
: BA5801FS
IC12
: BU1923F
IC14
: TA79005SB
Q1,4
: 2SC4081(R,S) or
2SC4116(Y,GR)
Q2,16-19
: 2SA1576A(R,S) or
2SA1586(Y,GR)
Q3,7,11
: UN5112 or
DTA124EUA
Q6,15
: UN5212 or
DTC124EUA
Q10
: 2SA1577(Q,R)
Q12
: UN5216 or
DTC143TUA
Q13
: 2SC4213(B)
Q20-22
: 2SK2158
Q28
: 2SB1640
Q29,30
:
DTC143TUA or
UN5216
D1,4,21,22,26 : MA111
D2
: 1SS402
D3
: UDZ3.9B
D10
: DAN202U
D12
: UDZ5.1B
D24
: DA204U
D25
: UDZ2.7B
RECORDING LINE
SIGNAL LINE
GND LINE
+B
B LINE
B LINE
B
SW PCB (X29-2660-00)
Q1 D1
S-80840ANY
Q1,2,D1,2
8cm DISC
DETECTOR
(H: DISC
EXSIT)
CAUTION: For continued safety, replace safety critical components only
with manufacturer's recommended parts (refer to parts list).
safety critical components. For continued protection against risk of fire,
x
a o
y
replace only with same type and rating fuse(s). To reduce the risk of elec-
tric shock, leakage-current or resistance measurements shall be carried
i
out (exposed parts are acceptably insulated from the supply circuit) before
the appliance is returned to the customer.
O
P
C139,
Q12,
R16-18,63,64,116,
R117,231,
IC3,4
C151
C154
IC1
IC14
140
15
147,241,242
232,237,238
8
4.7u50
220u16 100u16
M30624MG-304FP
SI-3120F
NO
YES
YES
NO
C139,
C151,
Q12,
R16-18,63,64,117,
R116,
IC1
IC3
IC4
IC14
15
147,231,231,237,238
241,242
140
154
4.7u50
100u10
M30624MG-303FP
SI-3025F
SI-3050F YES
YES
YES
NO
C139,
C151,
Q12,
R16-18,63,64,116,119,120,
R117,118,121,
IC1
IC3
IC4
IC14
140
154
15
123,147,237,238,241,242
122,231,232
2.2u100
100u10
M30624MG-303FP
SI-3025F
SI-3050F
NO
NO
NO
C139,
C151,
Q12,
R16-18,63,64,117,119,120,
R116,118,121,
IC1
IC3
IC4
IC14
140
154
15
123,147,231,232,238,239
122,241,242
4.7u50
100u10 M30624MG-303FP
SI-3025F
SI-3050F
YES
YES
YES
NO
C139,
C151,
Q12, R16-18,63,64,116,118,121,
R117,119,120,
IC1
IC3
IC4
IC14
140
154
15
122,147,238,239,241,242
123,231,232
2.2u100
100u10 M30624MG-303FP
SI-3025F
SI-3050F
NO
NO
NO
YES
PICKUP
F
16
E
15
E
VCC
14
A
D
CN1
13
VC
B
C
E
16
VR
12
F
15
11
PD
F
VCC
14
LD
10
VC
13
VR
12
A
VCC
9
PD
11
VC
8
C
LD
10
PD
A
9
7
B
C
8
LD
6
D
B
7
D
6
Q
Q
SHORT
LAND
3
7
6
3
GND
5
5
GND
FCS-
4
FCS-
4
TRK+
3
TRACKING COIL
TRK-
2
TRK-
3
FCS+
1
TRK+
2
CN2
FOCUS COIL
DM- 6
1
FCS+
DM+
5
SLED MOTOR
SLT GND
4
M
SLT SW
3
1
SLD+
SLD+ 2
SLD-
2
SLD- 1
STL SW
CN3
3
STL SW
LOD-
1
4
GND
LOD+
2
DISC MOTOR
SW GND
3
M
DM+
5
SW 5V
4
M STOP
5
6
DM-
D IN SW
6
8SW1
7
12SW
8
9
8SW2
8SW2
9
12SW
8
7
8SW1
6
DINSW
5
MSTOP
4
+5V
D4
D2
D3
Q4
Q2
Q3
3
GND
Q4,D4
Q3,D3
LOD+
2
S1
12cm DISC
DISC IN
1
LOD-
DETECTOR
(L: DISC
(H: DISC
LOADING
EXSIT)
STOP
EXSIT)
POSITION
LOADING
M
DETECT
MOTOR
The DC voltage is an actual reading mea-
indicates
sured with a high impedance type voltmeter.
The measurement value may vary depending
u 1 6 3
on the measuring instruments used or on the
product. Refer to the voltage during PLAY
.
unless otherwise specified; The value shown
in ( ) is the voltage measured at the moment
of STOP.
Q
R
(X29-270X-XX)
W8,31
R118
R119
R120
R121
R122
R123
S1
VR1
2
4
9
9
NO
YES
NO
YES
NO
YES
YES
NO
YES
YES
YES
YES
NO
NO
YES
YES
NO
TUNER PACK (AM/FM)
A1
R118,121,
R119,120
W8,31
S1
VR1
122
123
YES
NO
YES
YES
NO
E1
S1
VR1
W8,31
YES
NO
NO
NO
J2
S1
VR1
W8,31
YES
YES
NO
FM75
GND
S1
VR1
W8,31
AM ANT
NO
NO
NO
Q16-18
DISC SENSOR
R65
1
10K
R66
Q16
15K
R67
100
CN3
10K
R68
Q17
15K
BSW2
31
12SW
30
R69
88
BSW1
29
10K
R70
CN4
Q18
15K
1
R71
87
2
E
D IN SW
28
10K
R72
3
F
Q19
15K
4
VCC
5
VC
6
VR
M STOP
27
PD
7
8
LD
SW 5V
26
+5V
A
9
SW GND
25
10
C
LOD+
24
48
B
11
LOD-
23
47
12
D
SLD-
22
33
1
5
1
5
0
8
9
2
13
GND
SLD+
21
32
14
FCS-
SLT SW
20
15
TRK+
DM+
19
45
16
TRK-
DM-
18
46
17
FCS+
FCS-
17
36
TRK-
16
35
2.0V
DM-
18
TRK+
15
34
19
DM+
FCS-
14
37
GND
13
1.7V
20
SLT SW
21
SLD+
D
12
1.7V
22
SLD-
B
11
1.7V
C
10
1.7V
23
LOD-
A
9
LOD+
24
LD
8
25
SW GND
PD
7
D21
R9
26
SW 5V
VR
6
27
M STOP
91
VC
5
28
D IN SW
VCC
4
29
8SW1
R1 200K
F
3
30
12SW
R2 200K
31
8SW2
E
2
1
Q10
CN4
VCC
4
3.3V
LD
3
VC
2
RF
1
J1
R184
AUX IN 1
1K
Rch
C114
R182
10u50
AUX OUT 2
+
100
R183
AUX IN 3
m
1K
Lch
C113
R181
10u50
c o
AUX OUT 4
+
100
S
T
2
8
9
9
L6
9.1V
+9V
Q19
CD DISC
LOAD
SENSOR
5.1V
+5V
C2
3.3V
4
330u6.3
9
8
2
9
9
+B
+
1.6V
C3 47u4
82
+
3.3V
C5
15P
Q11
IC8
RF AMP
20
1
VCC
LD
2
19
4.2V
PD
L DON
81
18
Q11
LC/PD
3
17
1.9V
CD RF3T
A
RFE
CHANGE-OVER
4
16
2.0V
B
RFO
5
R20 100
15
1.6V
C
FE
39
6
42
D
14
1.6V
7
FE-BIAS
R19 100
VEE
13
1.6V
TE
41
1.6V
8
12
R16
F
VC
1.6V
9
11
Q12
10K
E
EO
10
EI
1.3V
R11 13K
1.2V
VR1
R12 30K
VR2
22K
22K
Q10
1.6V
LD
ON/OFF
+B
Q12
CD FOCUS BIAS
V/H CHANGE-OVER
VR2
VR1
FE BIAS
FE BIAS
(HORIZONTAL)
(VERTICAL)
36
D24
41
7
42

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