Kenwood RD-M52MD Service Manual page 17

Micro hi-fi component system
Hide thumbs Also See for RD-M52MD:
Table of Contents

Advertisement

U
V
2SA992 2
2SD863
2SC1845
2SC3940A
1
DTA124ESA
2SA1048
DTC124ESA
UN4112
2
DTA144EUA
2SC4116
UN4212
DTC114YUA
DTC143TUA
UN5216
2SA1576A
2SA1586
FMW1
2SB798-DL
2SC4081
3
DTA124EUA
NJM2904M
LM2940CT-5.0
DTC124EUA
4
DAN202U
DA204U
UN5212
TA79005SB
CXA2523AR
SI-3050C
5
BH6511FS
BR24C02F
TA8409F
6
NJM2100M
S-80840ANY
X33-
CN1
1/3
A
7
W
X
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-M72MD (X29-2702-72)
DESTINATION
C107,108,117,
C111,112,165,
C139,
UNIT No.
B
D
E
C
A1
118152,169
167,252,254
140
COUNTRY
ABB.
U.K.
T
EUROPE
E
2-72
YES
NO
W02-2742
YES
NO
2.2u100
KOREA
H
CD MECHANISM (D40-1674-05) / CDM-34(B)
IC1
:
IC2
: S-80840ANY
TRAVERSE UNIT (D40-1639-05)
IC3
:
IC4
:
PICKUP
IC5
: uPC2905HF or
LM2940CT-5.0
IC6
: M62498AFP
IC7,11,13
: NJM2100M
IC8
: CXA1821M
IC9
: CXD3017Q
A
IC10
: BA5801FS
B
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
TRACKING COIL
Q29,30
:
DTC143TUA or
UN5216
D1,4,21,22,26 : MA111
FOCUS COIL
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
B LINE
SW PCB (X29-2660-00)
Q1 D1
HD74UH08
CXD2654R
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,
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
out (exposed parts are acceptably insulated from the supply circuit) before
the appliance is returned to the customer.
Y
Z
C139,
Q12,
R16-18,63,64,116,
R117,231,
C151
C154
IC1
IC3,4
IC14
R118
140
15
147,241,242
232,237,238
NO
4.7u50
220u16 100u16
M30624MG-304FP
SI-3120F
NO
YES
YES
NO
YES
C151,
Q12,
R16-18,63,64,116,119,120,
R117,118,121,
IC1
IC3
IC4
IC14
154
15
123,147,237,238,241,242
122,231,232
100u10
M30624MG-303FP
SI-3025F
SI-3050F
NO
NO
NO
YES
16
F
E
15
E
VCC
14
D
CN1
13
VC
C
E
16
12
VR
F
15
11
PD
F
VCC
14
10
LD
VC
13
VR
12
9
A
VCC
PD
11
VC
C
8
LD
10
PD
A
9
B
7
C
8
LD
6
D
B
7
D
6
SHORT
LAND
GND
5
5
GND
FCS-
4
4
FCS-
TRK+
3
TRK-
2
3
TRK-
FCS+
1
TRK+
2
CN2
DM- 6
FCS+
1
DM+
5
SLED MOTOR
SLT GND
4
M
SLT SW
3
1
SLD+
SLD+ 2
SLD-
2
SLD- 1
STL SW
CN3
STL SW
3
LOD-
1
4
GND
LOD+
2
DISC MOTOR
SW GND
3
M
5
DM+
SW 5V
4
M STOP
5
6
DM-
D IN SW
6
8SW1
7
12SW
8
9
8SW2
8SW2
9
8
12SW
8SW1
7
6
DINSW
MSTOP
5
4
+5V
Q4
D4
Q2
D2
Q3
D3
3
GND
Q4,D4
Q3,D3
2
LOD+
S1
12cm DISC
DISC IN
1
LOD-
DETECTOR
(L: DISC
(H: DISC
EXSIT)
LOADING
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
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.
AA
AB
(X29-270X-XX)
TUNER PACK (AM/FM)
A1
R119
R120
R121
R122
R123
S1
VR1
W8,31
YES
NO
YES
NO
YES
YES
NO
YES
YES
YES
E1
NO
NO
YES
YES
NO
W8,31
S1
VR1
NO
NO
NO
J2
FM75
GND
AM ANT
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
Q19
10K
R72
F
Q19
3
15K
CD DISC
4
VCC
LOAD
5
VC
SENSOR
6
VR
M STOP
27
7
PD
5.1V
8
LD
SW 5V
26
+5V
9
A
SW GND
25
10
C
LOD+
24
48
11
B
LOD-
23
47
12
D
SLD-
22
33
13
GND
330u6.3
SLD+
21
32
14
FCS-
SLT SW
20
C3 47u4
15
TRK+
DM+
19
45
TRK-
16
DM-
18
46
17
FCS+
IC8
FCS-
17
36
TRK-
16
35
2.0V
1
18
DM-
TRK+
15
34
19
DM+
FCS-
14
37
2
GND
13
1.7V
3
20
SLT SW
21
SLD+
D
12
1.7V
4
SLD-
22
B
11
1.7V
5
C
10
1.7V
6
23
LOD-
A
9
7
24
LOD+
LD
8
25
SW GND
PD
7
1.6V
8
D21
26
SW 5V
R9
VR
6
1.6V
9
27
M STOP
91
10
VC
5
28
D IN SW
VCC
4
8SW1
29
R1 200K
1.3V
F
3
30
12SW
R2 200K
31
8SW2
E
2
1
Q10
Q10
LD
ON/OFF
CN4
VCC
4
3.3V
LD
3
VC
2
RF
1
J1
R184
AUX IN 1
36
1K
Rch
C114
R182
10u50
AUX OUT 2
41
+
100
R183
AUX IN 3
7
1K
Lch
C113
R181
10u50
AUX OUT 4
42
+
100
AC
AD
L6
9.1V
+9V
+5V
C2
3.3V
+B
+
1.6V
82
+
C5
3.3V
15P
Q11
RF AMP
20
VCC
LD
19
4.2V
PD
L DON
81
18
Q11
LC/PD
17
1.9V
CD RF3T
A
RFE
CHANGE-OVER
2.0V
16
B
RFO
15
1.6V
R20 100
C
FE
39
42
D
14
1.6V
FE-BIAS
R19 100
VEE
13
1.6V
TE
41
12
R16
F
VC
11
Q12
10K
E
EO
EI
R11 13K
1.2V
VR1
R12 30K
22K
VR2
22K
1.6V
+B
Q12
CD FOCUS BIAS
V/H CHANGE-OVER
VR2
VR1
FE BIAS
FE BIAS
(HORIZONTAL)
(VERTICAL)
D24

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Rd-m72md

Table of Contents