Circuit Waveforms - Sanyo VCC-6585P Service Manual

IC211 BLOCK DIAGRAM (SCC0021Y)
K
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60
J
GND 76
GND 77
VCC1
78
ADCK 79 VIDEO VIDEO
SELECT MEMORY
SHD 80
SHP 81
I
GND 82
CLP 83 2H
LINE MEMORY
CLPOB 84
PBLK
85
DATA PASS
VC C1 86
V1 87
H
V2 88
TG
V3 89
V4 90
XSG1 91
XSG2 92
BF
VSUB 93
G
GND 94 SG1
H1 95
H2
96
RG 97
PHASE
VC C1 98
CMP1
99
GND
GND 100
F
1 2 3 4 5 6 7 8
E
IC251 BLOCK DIAGRAM (AD9848A)
D
AD9848
4–6 dB
CCDIN CDS PxGA
29
C
CLAMP
RG 20
HORIZONTAL
13
DRIVERS
B
H1-H4
14
17
18
A
1 2 3 4
59 58 57 56 55 54 53 52 51
DAC
Y
50 GND
HSYNC/ CSYN C
49
TESTO
48
47 VDO
FLDO
46
45 GND
GND
YC 44
PROCESS
43 AVDD
DAC
AND
CAOUT
42
SEPERATION C
AGND
41
GND
40
GND
39
COLOR
38 VC C2
ENCODE
PCOSC
37
PHASE 36 EXTSCI
CMP2
ADJSCI
35
S
34 SCI
E
SCO
L 33
1/ 4 32
GND
CKSCO
31
1H OSC CKSCI
30
INV 29
COUNTER VC C2
CPU
GND
28
I/F
GND
27
SG2
GND
26
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
REFT REFB
35 34
VREF
2 to 36 dB
1-5
10 or 12
DOUT
VGA ADC
CCD0-9
8-12
39 CLPOB
INTERNAL CLAMP
CLOCKS
40 CLPDM
PBLK
42
PRECISION
TM
TIMING
23 CL1
CORE
SYNC INTERNAL
GENERATOR REGISTERS
44 43 36 38 37
HD VD SL SCK SDATA
5 6 7 8
TEST POINT
WAVEFORM
LOCATION
IC211-55
200mV/div
10µs/div
YA OUT
IC211-42
200mV/div
10µs/div
CA OUT
IC211-47
1V/div
5ms/div
VD
IC211-79
1V/div
50ns/div
ADCK
9 10 11 12
C6
CA-2 CIRCUIT WAVEFORMS
TEST POINT
WAVEFORM
LOCATION
IC251-29
0.5V/div
10µs/div
CCD IN
IC251-43
2V/div
20µs/div
VD
IC251-44
2V/div
10ms/div
HD
13 14 15 16
K
J
I
H
G
F
E
D
WF-CA2-L5AV4US
C
B
A
17 18 19