Circuit Waveforms - Sanyo VCC-9615P Service Manual

K
CA-1 CIRCUIT WAVEFORMS
TEST POINT
WAVEFORM
LOCATION
J
IC101-1
2V/div
20µs/div
I
V4
IC101-2
H
5V/div
20µs/div
V3
G
IC101-3
F
5V/div
20µs/div
V2
E
IC101-4
5V/div
D 20µs/div
V1
IC101-13
C
2V/div
50ns/div
RG
B
A
1 2 3 4
TEST POINT
WAVEFORM
LOCATION
IC101-15
2V/div
50ns/div
H1
IC101-16
2V/div
50ns/div
H2
IC103-29
0.5V/div
10µs/div
CCD IN
IC103-43
2V/div
20µs/div
VD
IC103-44
2V/div
10ms/div
HD
WF-CA1-L5AR2XE
5 6 7 8
IC103 BLOCK DIAGRAM (AD9848A)
REFT REFB
AD9848
2 to 36 dB
4–6 dB
CCDIN 29 CDS PxGA VGA
CLAMP
INTERNAL
CLOCKS
RG
20 PRECISION
HORIZONTAL
TM
TIMING
13
DRIVERS
H1-H4
CORE
14
17
18
SYNC
GENERATOR
44 43
HD VD
TEST POINT
LOCATION
IC201-55
200mV/div
10µs/div
YA OUT
IC201-42
200mV/div
10µs/div
CA OUT
9 10 11 12
C6
IC104 BLOCK DIAGRAM
(TC74ACT32FT)
35
34
VREF
1-5
10 or 12
DOUT
ADC
CCD0-9
8-12
CLPOB
39
CLAMP
40 CLPDM
42 PBLK
23
CL1
INTERNAL
REGISTERS
36 38 37
SL SCK SDATA
CA-2 CIRCUIT WAVEFORMS
TEST POINT
WAVEFORM
LOCATION
IC201-47
1V/div
5ms/div
VD
IC201-79
1V/div
50ns/div
ADCK
13 14 15 16
K
J
I
H
G
F
WAVEFORM
E
D
C
B
WF-CA2-L5AR2XE
A
17 18 19