6-10. Schematic Diagram - 2Ch-4Ch Amp Board - Sony HCD-EC69i Service Manual
Compact disc receiver
Hide thumbs
Also See for HCD-EC69i:
- Operating instructions (2 pages) ,
- Service manual (68 pages) ,
- Service manual (68 pages)
Table of Contents
Advertisement
HCD-EC69i/EC79i/EC99i
6-10. SCHEMATIC DIAGRAM - 2CH-4CH AMP Board -
1
2
3
2CH-4CH AMP BOARD
A
(EC99i)
IC103
STK433-090-E
1
2
3
4
5
IC103
POWER AMP
B
C
D
(EC79i)
D152
MC2838-T112-1
E
F
D141
MC2838-T112-1
G
(EC79i)
CN101
7P
TP107
H
HI-OUT-L
7
TP106
LOW-L/SW-OUT
6
TP105
MAIN
-VH
5
BOARD
TP104
+VH
4
(1/2)
TP103
CN632
LOW-R/SW-OUT
3
(Page
TP102
HI-OUT-R
2
30)
TP101
JW109
PA-GND
1
H
(EC69i/EC99i)
CN102
5P
LOW-OUT-L
5
J
-VH
4
MAIN
+VH
3
BOARD
I
LOW-OUT-R
2
(1/2)
CN633
PA-GND
1
(Page 30)
HCD-EC69i/EC79i/EC99i
All manuals and user guides at all-guides.com
4
5
6
(EC79i)
IC101
+PRE SUB GND
STK433-890-E
6
7
8
9
10
11
12
13
14
15
1
IC101
POWER AMP
R153
R151
1.2k
22k
0
-0.8
R155
2.2k
C151
0.1
Q151
0
2SA2026
R154
R152
22k
1.2k
-0.8
0
R156
2.2k
C152
0.1
Q152
0
2SA2026
R143
R141
22k
1.2k
-0.8
0
R145
2.2k
C141
0.1
Q141
0
2SA2026
R144
R142
22k
1.2k
-0.8
0
R146
2.2k
C142
0.1
Q142
0
2SA2026
Q141, 142, 151, 152
OVER LOAD DETECT
R160
220
R162
220
R164
220
R166
220
C160
0.1
∗C162, 163
D140
MA2J1110GLS0
C164
100 50V (EC69i)
0.1
220 63V (EC79i)
100 63V (EC99i)
C162
C167
10
∗
63V
7
8
9
+PRE SUB GND
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
R111
R112
C105
C106
C125
C126
0.22
0.22
100p
100p
100p
100p
2W
2W
R109
470
C107
3p
R113
47k
R114
R135
47k
1.5k
C108
R116
3p
1.5k
R115
1.5k
C129
1
50V
C109
C110
47
47
25V
25V
R119
C111
100
4700p
C103
C104
C123
470p
470p
470p
R161
220
R127
R107
R108
R163
47k
47k
47k
220
C101
C102
C121
1
R165
1
1
50V
220
50V
50V
(EC79i)
R105
R106
R125
∗R105, 106
R167
∗
∗
4.7k
220
2.2k (EC69i)
4.7k (EC79i/EC99i)
R103
R123
R104
C161
∗
820
∗
0.1
C165
R120
C119
0.1
1k
0.01
∗R103, 104
2.2k (EC69i)
820 (EC79i)
C166
C163
1.2k (EC99i)
10
(EC79i)
∗
63V
34
34
10
11
12
(EC69i)
IC102
STK433-040
19
20
21
22
23
1
2
3
4
5
6
7
IC102
POWER AMP
R131
R132
0.22
0.22
2W
2W
C127
3p
JW110
R133
47k
R134
47k
C128
3p
R136
1.5k
C130
1
50V
C124
470p
R128
47k
C122
1
50V
R126
4.7k
R124
820
C120
C112
0.01
0.1
13
14
15
+PRE SUB GND
8
9
10
11
12
13
14
15
CN100
5P
TP112
5
IN-R
K
TP111
4
A-GND
TP110
3
IN-L
MAIN
TP109
BOARD
2
AMP-STBY
(1/2)
TP108
CN603
1
OVERLOAD
(Page 30)
Advertisement
Table of Contents
