Read Sony HT-K25 / TA-VE25 Service Manual online
TA-VE25
9
9
3-2. Schematic Diagram – Main Section –
•
See page 7 for Waveforms.
•
See page 15 for IC Block Diagram.
C155
FB151
Q102
Q101
D
1
0
1
D
1
0
4
IC158
R186
R184
R188
IC157
R187
R183
Q152
R176
IC102
C115
C168
C117
R189
C118
J101
R193
C199
R194
R197
R179
R178
R177
IC152
IC151
C176
C165
C158
C175
C171
C163
C107
C108
C103
IC159
C
1
9
7
C
1
9
6
C
1
9
5
C
1
9
4
CN101
C150
Q153
C193
PJ152
PJ151
L
1
0
1
C166
C154
C152
C151
C159
C192
C157
D106
C114
C112
C113
D
1
0
2
D
1
0
3
F
B
1
0
3
C101
C116
C167
C164
C156
C162
C160
F
B
1
0
1
F
B
1
0
2
C198
R195
C169
C172
C173
C153
C184
C187
R181
R185
R182
C185
C110
C179
C177
C174
Q151
IC156
R198
R190
R196
IC153
IC155
R152
R151
R191
R162
R159
R192
R157
JW102
R242
C178
R173
R170
R168
R166
R164
R174
R171
R167
R169
R165
R156
R155
R154
R153
R158
R161
R163
D
1
0
7
D
1
0
5
D
1
0
9
D
1
0
8
T101
R109
JW103
R
1
0
1
R
1
0
2
R
1
0
3
R
1
0
4
0.1
25V
F
0UH
2SD1624-T-TD
2SD1624-T-TD
1
S
S
3
5
2
1
S
S
3
5
2
NJM4565M-TE2
1k
1/10W
1k
1/10W
10k
1/10W
NJM4565M-TE2
10k
1/10W
10k
1/10W
BA1F4M-TP
22k
1/10W
TA7805S
220
16V
47
16V
0.1
25V
F
1.8k
0.1
25V
F
1k
1/10W
0.1
25V
F
560k
68
10k
10k
10k
TORX179L
TORX179L
0.1
25V
F
10
50V
220p
50V
CH
0.1
25V
F
47
16V
100
16V
0.1
25V
F
47
16V
0.33
16V
F
TC7WU04F
1
0
5
0
V
1
0
5
0
V
1
0
5
0
V
1
0
5
0
V
15P
47
16V
2SC2712-YG-TE85L
0.47
10
50V
100
16V
0.1
25V
F
0.1
25V
F
0.01
25V
B
0.1
25V
F
0.1
25V
F
UDZ-TE-17
-3.3B
0.1
25V
F
0.022
50V
F
10
100V
1
S
S
3
5
2
1
S
S
3
5
2
0
U
H
1000
16V
470
6.3V
10
50V
10
50V
220p
50V
CH
220p
50V
CH
220p
50V
CH
0
U
H
0
U
H
0.1
25V
F
560k
0.01
25V
B
0.01
25V
B
0.1
25V
F
0.1
25V
F
10
50V
10
50V
22k
1/10W
10k
1/10W
22k
1/10W
10
50V
0.0082
630V
0.1
25V
F
0.1
25V
F
47
16V
2SD1624
-T-TD
MC14052 BDR2
220
1k
1k
MC74HC00AFEL
MC74HC00AFEL
100
100
1k
22k
1k
560k
75
1k
0.1
25V
F
220k
220k
220k
220k
100k
220k
220k
220k
220k
1k
470
470
470
470
100k
100k
100k
1
1
E
Q
S
0
4
-T
B
5
1
1
E
Q
S
0
4
-T
B
5
1
1
E
Q
S
0
4
-T
B
5
1
1
E
Q
S
0
4
-T
B
5
150KHZ
4.7k
4
7
0
4
7
0
4
7
0
4
7
0
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