Read Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Service Manual online
10
10
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
SCHEMATIC DIAGRAM — HI-AMP BOARD —
0
0
0
0
0
0
0
5.4
5
0
5.5
-42.8
-44.6
44.4
0
0
0
0
42.8
0
0
0.7
0
0
No mark : CD STOP
EC55
MAIN BOARD(1/2)
MAIN BOARD(2/2)
CN602
(
(
CN603
SUPPLEMENT-1
Page 4
(
(
SUPPLEMENT-1
Page 5
C
L
EC77/GX99
EC55
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
IC101
IC101
IC102
IC102
EC55
STK433-060
EC77
EXCEPT US,CND
STK433-070
US,CND
GX99
STK433-090-E
EC55
EC77/GX99
C116
C119,C120
R109,R110
0.01
0.0047
0
0
0.01
100
EC55:EXCEPT AEP,UK,KR/
EC77:EXCEPT AEP,RU/
GX99
EC77:EXCEPT AEP,RU/
GX99
EC55:AEP,UK,KR/
EC77:AEP,RU
EC77:AEP,RU
C116
50V
1
C101
50V
1
C102
220
R119
220
R120
220
R122
220
R121
0.01
C115
4700p
C118
0.22
R151
0.22
R152
220
R155
220
R156
10k
R159
10 k
R160
10k
R162
10k
R165
10k
R166
2.2k
R167
2.2k
R168
2SA2026
Q151
2SA2026
Q152
4700p
C151
4700p
C152
MC2838-T112-1
D151
10k
R128
MA111-TX
D152
JW101
1
8
7
6
5
4
3
2
15
14
13
12
11
10
IC101
-PRE
-VCC
+VCC
LO+
LO-
RO+
RO-
+PRE
SUB
GND
LI+
LI-
ST-BY
RI-
RI+
2SA1235TP-1EF
Q101
2SC3052EF-T1-LEF
Q102
C106
100p
C105
100p
3p
C109
3p
C110
C113
C111
C111,C113
1k
R129
1k
R107
1k
R108
R109
R110
47k
R112
47k
R111
47k
R105
47k
R106
25V
47
C108
25V
47
C107
R101
R10 2
R10 3
R104
R103,R104
470p
C103
470p
C104
1
2
3
4
5
6
7
8
9
10
10P
CN101
OUT-L
+VH
-VH
OUT-R
PA-GND
PROTECT
AMP-ON
IN-L
A-GND
IN-R
R123
47k
C153
0.1
47 k
R124
4.7k
R126
100
R130
10k
R127
MAZ8051GMLS0
D121
100k
R125
IC102
C120
C119
10k
R161
OVER LOARD
DET-L
DET-R
AMP
PROTECT-1
PROTECT-2
OVER LOARD
AMP
POWER AMP
POWER AMP
9
HI-AMP BOARD
100uF/ 50V : EC55/EC77 : EXCEPT US,CND
100uF/ 63V : EC77 : US,CND/GX99
100uF/ 63V : EC77 : US,CND/GX99
EC77 : EXCEPT AEP,RU/GX99
EC77 : AEP,RU
EC55
R101,R102
EC77 : US,CND/GX99
EC77 : E2,E3,E51,MX,AR,AUS
EC77 : AEP,RU
EC55
12K
15K
5.6K
220
1.8K
2.2K
2.2K
2W
2W
JW120
5
0.1
C155
0.1
C154
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
F
G
H
I
Ver. 1.2
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