Read Panasonic WV-CL270 / WV-CL274E Service Manual Simplified online
– 10 –
OVERALL BLOCK DIAGRAM OF SENSOR BOARD
Note: IC1 is not included in Sensor Board Ass'y.
OPTICAL ASS'Y
(CCD)
HORIZONTAL
DRIVER
(TEST POINTS
FOR
ADJUSTMENT)
FOR
ADJUSTMENT)
CDS,AGC
CONTROLLER
DIGITAL
SIGNAL
PROCESSOR
SYSTEM
RESET
EEPROM
VERTICAL
DRIVER
VCXO
TO
VIDEO BOARD
CN1
(Page 11)
CCD
OUTPUT
OUTPUT
CCD
OUTPUT
OUTPUT
CDS
OUTPUT
OUTPUT
LL
VCO
VCO
Y
OUTPUT
OUTPUT
C
OUTPUT
OUTPUT
IC1
9
VL
VØ1
VØ2
VØ3
VØ4
HØ1
HØ2
ØSUB
VOUT
10
Q1
Q300
Q2
IC4
CDSO IN
6dB OUT
SIG IN
GAM OUT
AGC OUT
GAMC IN
YSIG IN
AGC CNT
OB ADJ
CPOB IN
CP2 IN1
CP2 IN2
AD OUT
VREF(1.3V)
AD
CPOB
OB ADJ
AMP GAIN
DS1
DS2
AGC CONT
VREF1 OUT
VREF4 IN
LOW CLIP
VREF3 OUT
PBLK IN
VREF5
OUT
OUT
DC CNT
VREF4 OUT
PA IN
AF OUT
AMP IN
TRAP OUT
SP1
SP2
2
39
9
8
26
CF1
46
42
41
35
36
32
29
AMP GC
22
7
16
4
18
31
21
13
12
34
23
17
5
20
10
37
117
116
41
81
99
82
49
84
98
24
56
64
63
ALC VREF
AF
VØ1
VØ2
VØ3
VØ4
ØSUB
5
3
17
18
1
9
7
VH
16
20
2
IC3
IC5
IC6
OV1
IV1
OV2
OV3
OV4
OSUB
IV2
IV3
IV4
CH1
CH2
ISUB
OUT
VC
1
3
43
VCXO
CXIN
LPFI
PCO
EXTIN1
VCSYNCVD
GSIG
RESET
OSCCNT
COIN
DS1
DS2
PWM0
FVR
PWM1
VREF1
EXTAGC
IRIS
ALCELC
BLCSW
APGAIN
OBCTL
CPOB
VIN
VREFL
VREF23
EXTIN0
LLDET
SDA
SCL
PWM3
16
V1
V2
CCDSEL2
NTPL
(PAL)
(NTSC)
V3
V4
CH1
FWHD
BSIG
CH2
SUB
VL
VHH
-9V
+15V
+3.3V
14
12
8
13
10
6
8
3
2
14
53
32
42
97
IC7,L1,D2,3
IC8
IC400
15
73
100
101
104
103
IRIS ADJ
ALC/ELC
BLC ON/OFF
SOFT/SHARP
SDA
5
6
SCL
28
26
8
10
29
27
75
74
27
31
1
IRIS ADJ
ALC/ELC
BLC ON/OFF
SOFT/SHARP
34
37
46
23
72
35
-9V
+15V
+3.3V
CN1
1
2
14
3
6
21
19
7
12
9
5
30
4
25
15
11
13
SCL
SDA
LL-DET
LL-PULSE
ALC VREF
AF
+3.3V
+5V
+15V
-9V
FWHD
C
Y
CSYNC
VD2
PCO
VCXO-LPF
CO-LPF
OSC CONT
IRIS ADJ
ALC/ELC
BLC ON/OFF
SOFT/SHARP
+5V
Q3
Q4
12
10
R
H1
H1
H2
120
127
125
CCD OUT
14MHz
AGC OUT
CDS OUT
5
CN2
2
3
1
ØRG
VDD
VD
SUB
SUB
RD
7
16
12
+15V
-9V
6
3
2
1
17
20
19
13
R
9
11
H2
H1
12
6Y
IC2
5Y
4Y
6A
5A
4A
8
10
4
OUT
I
O
16
24
SUB-BIAS
R-BIAS
SENSOR BOARD
(Refer to the page 12 and 13 for the Schematic Diagram.)
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