Schematic Diagram - 3Ch Amp Board (Ec99I) - Sony HCD-EC69i Service Manual
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- Operating instructions (2 pages) ,
- Service manual (68 pages) ,
- Service manual (68 pages)
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Q Q
3 7 6 3 1 5 1 5 0
6-11. SCHEMATIC DIAGRAM - 3CH AMP Board (EC99i) -
1
2
3CH AMP BOARD
A
B
D201
MC2838-T112-1
C
T E
L
1 3 9 4 2 2 9 6 5 1 3
D
CN205
7P
TP207
HI-OUT-L
7
TP206
L
LOW-L/SW-OUT
6
TP205
E
-VH
5
TP204
MAIN
+VH
4
BOARD
TP203
(1/2)
LOW-R/SW-OUT
3
TP202
CN632
HI-OUT-R
2
(Page 30)
TP201
PA-GND
1
F
w w w
HCD-EC69i/EC79i/EC99i
3
4
D202
Q201 - 203
MA2J1110GLS0
OVER LOAD DETECT
R240
R241
22k
2.2k
-0.8
0
R242
1.5k
Q203
0
2SA2026
R233
R231
R235
22k
1.2k
2.2k
-0.8
0
C225
0.1
Q201
0
2SA2026
R234
R232
R236
22k
1.2k
2.2k
-0.8
0
C226
0.1
Q202
0
2SA2026
D203
MA2J1110GLS0
x
a o
y
.
i
http://www.xiaoyu163.com
5
6
7
+PRE SUB GND
1
2
3
4
5
6
7
8
9
10
11
R239
1.5k
C227
0.1
R229
R230
C205
0.22
0.22
100p
2W
2W
R226
R225
220
220
R228
R227
R245
220
220
470
Q
Q
3
7
6
C224
C223
0.1
0.1
C230
C229
0.1
0.1
C209
3p
C220
C219
C228
100
100
R222
63V
63V
100
R223
1k
u 1 6 3
.
35
35
2
4
8
9
9
8
9
IC201
POWER AMP
IC201
STK433-330-E
12
13
14
15
16
17
18
19
R238
0.47
2W
C206
C213
100p
100p
R237
R221
0.47
C215
47k
3p
2W
R244
0
R246
R219
C203
C204
470
1k
470p
470p
R207
R208
47k
47k
3
1
5
1
5
0
8
9
2
C201
C202
R220
1
1
470
50V
50V
R205
R206
4.7k
4.7k
R203
R204
R213
R209
R210
R214
C210
1.2k
1.2k
1.5k
47k
3p
47k
1.5k
C207
C208
C214
C217
1
C218
1
47
0.01
50V
0.01
50V
25V
C216
0.1
4700p
m
c o
HCD-EC69i/EC79i/EC99i
2
8
9
9
10
11
C212
470p
R218
47k
4
9
8
2
9
9
C211
1
50V
R217
22k
R216
220
CN203
7P
TP214
7
SW-IN
TP213
M
6
SW-AGND
TP212
5
IN-R
TP211
MAIN
4
A-GND
TP210
BOARD
(1/2)
3
IN-L
TP209
CN643
2
AMP-STBY
(Page 30)
TP208
1
OVERLOAD
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