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Service Manual EH1 chassis
On the Sub/Def. Board(2)
IC361-pin1
<H sync in>
2V/div.
10
µ
s/div.
DC=0V
IC361-pin3
<H osc>
2V/div.
10
µ
s/div.
DC=0V
IC361-pin10
<H drive out>
2V/div.
10
µ
s/div.
DC=0V
IC361-pin12
<V drive out>
5V/div.
2ms/div.
DC=0V
IC361-pin18
<V osc>
2V/div.
2ms/div.
DC=0V
IC361-pin19
<V sync in>
2V/div.
2ms/div.
DC=0V
IC2311-pin7
<AFC2>
5V/div.
5
µ
s/div.
DC=0V
IIC2361-pin7
<V drive>
0.5V/div.
2ms/div.
DC=0V
IC2371-pin1
<V drive out>
5V/div.
2ms/div.
DC=0V
IC2371-pin7
<AFC>
1V/div.
2ms/div.
DC=0V
IC2381-pin1
<V drive>
5V/div.
2ms/div.
DC=0V
IC2381-pin7
<V drive>
2V/div.
2ms/div.
DC=0V
IC2391-pin7
<Pcct>
2V/div.
10
µ
s/div.
DC=0V
On the Video Board
IC2102
1
0V
2
0.1V 3
3.7V
4
0V
5
4.5V
6
3.3V
7
7.6V
8
0V
9
0.1V
10
0.1V
11
0V
12
9.1V
13
9.1V
14
3.8V
15
4.2V
16
9.1V
IC2202
1
0.4V
2
0.4V 3
0.4V
4
0V
5
4.7V
6
4.7V
7
4.7V
8
5.1V
IC2203
1
0V
2
5.1V 3
5.1V
4
5.1V
5
0.2V
6
0V
7
5.0V
8
0V
9
0.1V
10
0V
11
5.1V
12
5.0V
13
0.1V
14
0V
15
5.0V
16
5.0V
IC2206
1
1.2V
2
0V 3
0V
4
0V
5
0.1V
6
2.2V
7
0.1V
8
0V
Q2101
E
5.1V
C
9.1V
B
5.7V
Q2102
E
5.1V
C
9.1V
B
5.7V
Q2104
E
5.0V
C
9.1V
B
5.6V
Q2105
E
4.1V
C
9.1V
B
4.8V
Q2106
E
4.1V
C
9.1V
B
4.9V
Q2107
E
3.6V
C
0V
B
3.1V
Q2108
E
2.9V
C
9.1V
B
3.5V
Q2103
E
5.0V
C
9.1V
B
5.6V
Q2109
E
3.6V
C
9.1V
B
4.3V
Q2110
E
3.8V
C
7.4V
B
4.4V
Q2111
E
6.9V
C
9.1V
B
7.5V
Q2201
E
4.3V
C
9.1V
B
5.1V
Q2203
E
0V
C
0.6V
B
0.2V
Q2112
E
4.3V
C
9.1V
B
4.8V
Q2204
E
9.1V
C
0V
B
5.6V
Summary of Contents for 28H1
Page 52: ...SANYO ELECTRIC CO LTD SERVICE MANUAL FOR EH1 CHASSIS ...
Page 61: ...Part No 1AA6P2P0675 F3TT SHEET 5 7 POWER DEF BOARD Circuit side ...
Page 62: ...MAIN BOARD Circuit side ...
Page 75: ...Part No 1AA6P2P0674 F3TV SHEET 5 7 POWER DEF BOARD Circuit side ...
Page 76: ...MAIN BOARD Circuit side ...