HCD-EC98P
HCD-EC98P
6-10. SCHEMATIC DIAGRAM - HI AMP Board -
1
2
HI AMP BOARD
A
D151
B
MC2838-T112-1
R185
2.2k
R186
2.2k
C
D
CN151
6P
TP151
OUT-L
6
TP152
E
-VH
5
TP153
+VH
4
TP154
MAIN
OUT-R
3
BOARD
(1/3)
NC
2
E
TP155
CN632
PA-GND
1
(Page 31)
6-9.
PRINTED WIRING BOARD - HI AMP Board -
1
HI AMP BOARD
A
CN151
Q151
B E
R183
E
JW155
JW152
MAIN
BOARD
B
CN632
(Page 30)
R176
R178
C174
3
5
IC152
STK433-090-E
LO+
LO-
RO+
RO-
+PRE SUB GND
1
2
3
4
5
6
7
R183
R181
22k
1.2k
Q151
2SA2026
0
0
C175
0.1
0
Q152
R184
R182
2SA2026
22k
1.2k
0
0
C176
0.1
0
Q151,152
R175
OVER LOAD DETECT
220
R176
220
R177
220
R178
220
C173
0.1
C174
0.1
D152
MA2J1110GLS0
∗ C169,170
C170
∗
100 50V (AUS)
100 63V (US,CND)
34
34
• See page 27 for Circuit Boards Location.
2
JW157
JW151
JW154
C159
C170
R163
R161
R185
Q152
C169
R159
B E
R186
C157
D151
R184
R151
C151
C176
C173
R153
R180
R172
C175
R175
C166
R181
R177
R154
R179
R155
R195
C153
JW156
C178
R171
C155
C156
15
1
IC152
6
7
8
IC152
POWER AMP
8
9
10
11
12
13
14
15
R196
470
C156
C153
C154
R195
100p
470p
470p
470
R155
R156
47k
47k
R173
1k
C151
C152
1
50V
50V
R153
R154
22k
22k
R151
R152
220
220
C161
C162
0.01
0.01
C157
C178
1
0.1
50V
C169
R172
C166
∗
100
4700p
•
: Uses unleaded solder.
3
4
D152
R164
C160
CN152
R162
C158
R160
F
JW153
JR151
C161
MAIN
BOARD
C162
R152
CN602
(Page 30)
C152
R156
C154
R173
R196
11, 12
1-875-524-
(11, 12)
9
10
1
CN152
5P
TP156
1
PROTECT
TP157
F
2
AMP-ON
TP158
3
IN-L
TP159
MAIN
BOARD
4
A-GND
TP160
(1/3)
5
IN-R
CN602
(Page 31)