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BI
BJ
BL
BN
BP
BR
BK
BM
BO
BQ
RD-M52MD/M72MD
Y39-3490-51
R111
3K
R113
6.2K
18K
R115
2.4K
R110
4.3K
R112
R114
9.1K
5
4
3
2
1
1
2
3
4
5
13
12
11
10
9
8
7
6
5
4
3
2
1
KEY 1
KEY 0
GND
GND
U +5V
+5V
REMOCON
ST-BY LED
TIMER LED
EJECT MD LED
EJECT CD LED
VOL A
VOL B
1000P
C17
1000P
C18
R109
2.7K
300
R125
300
R124
300
R123
2
1
3
4
5
R101
2.7K
R102
2.4K
R104
4.3K
R103
3K
R105
6.2K
R107
18K
R106
9.1K
R108
39K
R1
17
R1
16
1.2K
220
(RED)
(GREEN)
300
R122
100K
R1
19
1000P
C102
1000P
C101
100K
R1
18
100
R120
100u10
C103
+
1
2
3
R121
1K
100P
C104
11
10
9
8
7
6
5
4
3
2
1
CS1
GND
WR
RD
RST
AO
CLK
DATA
+5V
-10V
DIMMER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
CS1
RST
AO
WR
RD
CLK
DATA
VDD
GND
-10V
V1
V2
V3
V4
V5
VR
IRS
33K
R134
0.47
C107
0.47
C108
0.47
C106
30
R129
30
R130
30
R126
100
R127
10K
C110 0.47
C111 0.47
C112 0.47
C113 0.47
C114 0.47
0.1
C109
62K
R131
62K
R133
62K
R132
6
7
3
1
6
7
3
1
R128
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
80-81
78-79
77
75-76
73-74
69-70
68
66-67
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
TEST9
TEST8
TEST7
TEST6
TEST5
VDD
IRS
VSS
HPM
VDD
P/S
C86
VSS
CLS
M/S
VDD
NC
TEST4
TEST3
NC
TEST2
TEST1
VR
NC
V5
D5
D4
D3
D2
D1
D0
VDD
RD
WR
VSS
AO
RES
VDD
CS2
CS1
VSS
TEST0
DOF
CL
FR
FRS
NC
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IRS
VR
V5
V4
V3
V2
V1
VOUT
VSS
VDD
SI
SCL
RD
WR
AO
RES
CS1
24
23
SI
SCL
25
VDD
NC
VSS2
VSS
NC
VOUT
NC
CAP3-
CAP1-
CAP1+
CAP2+
CAP2-
VRS
53-54
51-52
VSS
V3
V2
57-58
55-56
VDD
V1
61
59-60
NC
64-65
62-63
V4
30-32
26-29
49-50
40-41
33-36
38-39
45-46
43-44
47-48
49-50
71-72
VDD
33-36
1
2
3
4
5
6
7
9
8
10
12
11
15
13
14
16
10
2
1
6
4
3
5
8
7
9
14
12
11
13
16
15
17
17
SEG 0
SEG 63
COM 63
COM 32
DESTINATION
COUNTRY
U.K.
T
ABB.
T1
UNIT
L07-2858-05
2-73
No.
R239
F1
YES
P3
NO
E
EUROPE
KOREA
H
T800mA
L 250V
E
EUROPE
KOREA
H
COUNTRY
DESTINATION
U.K.
T
ABB.
2-71
No.
UNIT
B
+B
COM 31
COM 0
R135 200
R136 56
W31
1
U.K.
T2
2-74
8
0.22
C7,
C29,
30
56P
P4
YES
YES
C31,
32
R256,
257
22 1W
136,258
YES
R135,
NO
125
R124,
L 250V
T800mA
L07-2858-05
NO
YES
YES
F1
T1
125
136,258
R124,
R135,
R239
YES
YES
22 1W NO
0.22
56P
C31,
32
P4
P3
8
30
C29,
257
R256,
C7,
27K
R250
27K
R250
+5V
+5V
+5V
+5V
+5V
+5V
+5V
12V
+5V
+5V
+5V
+5V
+5V
+5V
12V
+5V
+5V
+5V
S9
S10
S1
1
S14
S13
S12
S15
E4
E3
CN9
J4
D35
D36
DISPLA
Y
P4
MENU
SET
ENTER
AUX
REC
MD
EJECT
D103
D104
D102
Q104
LED
DRIVER
MD/TAPE
EJECT
E2
S2
S1
TUNER
S3
CD
S5
S4
MD
S6
S7
S8
EJECT
CD
ST
OP
DOWN
SKIP
POWER
D110
Q102
Q101
Q103
D101
S16
D40
D39
WH4
A2
SKIP
UP
CN14
CN15
D109
D1
12
D107
D108
D1
13
D1
14
D106
Q105
RD-M72MD (X07-3182-73)/RD-M52MD-S (X07-3182-74)
RD-M52MD-L (X07-3182-71)
IC1
: LM4766T
IC2
: SI-3090C(1109)
IC3
: SI-3050C(1113)
IC4
: NJM2904M
IC5
: TA79010SB
IC6
: TA7810SB
IC7
: XC62HR5102P
Q1,2
: 2SC4213(B)
Q3,4
: 2SC1845(F,E)
Q5,6
: 2SC4081(R,S) or
2SC4116(Y,GR)
Q7,8
: 2SA1576A(R,S) or
2SA1586(Y,GR)
Q9
: 2SC3940A(R,S) or
2SD863(E,F)
Q10,11,13,105
: 2SC4097(Q,R)
Q12
: 2SA992(F,E)
Q14
: 2SA933AS(Q,R) or
2SA1048(Y,GR)
Q15
: DTA124ESA or
UN4112
Q101,103
: DTC124EUA
Q102,104
: DTC124ESA or
UN4212
D1,3
: D4SBL20UF03
D2
: D2SBA20F03
D4
: S1ZB20(4072)
D5-8,10,13,27,29,30,
33-37,109
: 1SS133 or
HSS104A
D11,12,23
: S5688B(TPB5)
D19-21,24,26,28,31,32,
39,40,115
: MA111
D25
: MTZJ3.9(B) or
RD3.9ES(B2)
D101-104
:
D106-108
: B30-2575-05
D110
: B30-2538-05
D112-114
: MTZJ5.1(B) or
RD5.1ES(B2)
WH3
LED
DRIVER
HEAD-
PHONES
(D102)
WH2
STANDBY
EJECT
CD
LED
DRIVER
REMOTE
SENSOR
B LINE
B LINE
GND LINE
SIGNAL LINE
DIGITAL LINE
D1
15
R249
56 1/4W
56 1/4W
R249
RD-M52MD-L (3/3)
(X07- ) (D/5)
(X07- ) (C/5)
(X07- ) (E/5)
LCD ASS’Y
4.9V
-10.0V
5.1V
5.1V
4.7V
DESTINATION
COUNTRY
U.K.
T
ABB.
UNIT
2-73
No.
C204
3300u16
D101,
D23
B30-2541-05
YES
102
NO
W201,202,
210-212
W02-2731-05
A1
D103,
NO
104,115
W207-
YES
209,311
J4
E11-0923-05
E
EUROPE
KOREA
H
U.K.
T2
B30-2574-05
E11-0924-05
2-74
3300u10
C251
C203
4700u16
WH4
YES
C237,
238
220P
E
EUROPE
KOREA
H
COUNTRY
DESTINATION
U.K.
T
ABB.
2-71
No.
UNIT
4700P
238
C237,
E11-0924-05
B30-2541-05
YES
3300u16
4700u16
3300u10
W02-2731-05
YES
NO
NO
YES
C204
C203
D23
C251
104
D101-
A1
210-212
W201,202,
209,311
W207-
WH4
J4
D115
CAUTION: For continued safety, replace safety critical com-
ponents only with manufacturer's recommended parts (refer
to parts list).
indicates safety critical components. For
continued protection against risk of fire, replace only with
same type and rating fuse(s). To reduce the risk of electric
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 cus-
tomer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
www.freeservicemanuals.info
1/20/2020
Digitized in Heiloo the Netherlands
Not for sale!