Iris Board; Circuit Waveforms - Sanyo VCB-3440P Service Manual

K
J
I
R224
NC
1
1 2
R200
0
H
G
F
R208
3.3K
1 2 1 2 1
D203
R207
1SS355
4.7K
C216
0.1u
C204
1u/35V
+5V
E
L200
22uH
R209
2K
D200
C200
1SS355
4.7u/16V
1 +10V
2
GND
R211
33K
3 IRISV
Q203
D 4 CSYNC
MMST2222A
CN200
TO COMTROL BOARD
VR200
CN501
10K
2 2 1
R212
1SS355 C206
R235 4.7u/16V
4.7K
C
B
A
1 2 3 4

IRIS BOARD

JUMP
1 2
+10VA U201
0
78L05
3
2
VO VI
C211
0.1u
C202
0.1u
3
+
A
1
2
- U200
NJM3414AM
1 2
C203
R201
1u/25V
0
1 2
C212
47P
R216
100
1 2
R214
1M
1 2
+10VA
1 2
C207
1u/25V
U200
C209
5
+ 0.1u
B
7 2
Q201
2 6
-
MMST2222A
NJM3414AM
1 2
R215
0
C208
10u/10V
R213
100
1 2
2
R222
1K
C215
1u/25V
5 6 7 8
TEST POINT
LOCATION
1
+5V
Test point T5
C218
1u/25V
CN201
Shutter
+10VA/C- 1
NC/C+
2
=1/50sec
IRIS/D+
3
GND
4
1V/div
IRIS
1 2
R217 IRIS JACK
0
5ms/div
1 2
R218
0
R220
Test point T5
0
R219 Shutter
C- 0
1 12
2 11
3 10
=1/120sec
C+
4 9
5 8
6 7
1V/div
SW200
00420693
5ms/div
1 2
C214
R221
47P
0
C213
47P
Test point T5
D+
Shutter
=1/250sec
1V/div
5ms/div
Test point T5
Shutter
=1/500sec
1V/div
5ms/div
9 10 11 12
C6

CIRCUIT WAVEFORMS

TEST POINT
WAVEFORM
LOCATION
Test point T5
Shutter
=1/1000sec
1V/div
5ms/div
Test point T5
Shutter
=1/2000sec
1V/div
5ms/div
Test point T5
Shutter
=1/4000sec
1V/div
5ms/div
Test point T5
Shutter
=1/10000sec
1V/div
5ms/div
13 14 15 16
K
J
WAVEFORM
I
H
G
F
E
D
C
WF-VCB3440P
B
A
17 18 19