Read Panasonic WV-CL270 / WV-CL274E Service Manual Simplified online
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BLOCK DIAGRAM OF VIDEO BOARD/POWER BOARD
E3
2
IC1,Q1-4,D1,
D3-8,21-24,T1
D3-8,21-24,T1
F1
CN1
1
L
LL-DET
LL-PULSE
+3.3V
+9V
N
2
630mA
1
30
29
17
28
15
7
25
10
12
24
19
22
26
1
27
6
16
20
18
3
5
23
21
2
4
SCL
SDA
LL-DET
LL-PULSE
ALC VREF
AF
+3.3V
+3.3V
+5V
Q1
Q16
CF1
Q13
Q14,15,17-19
CN5
Q3,4
GND
CN4
Q5
Q6,7
3
DRIVE
DAMPER
VREF
Q2,R12-14,C8,9
R15,16,C10,11
TP1
(LL VCO)
(LL VCO)
13
12
IC3
0X
XC
A
B
11
10
14
VD2
15
YC
1Y
0Y
1
1
14
IC4
(1/4)
IC4
(4/4)
IC4
(2/4)
IC4
(3/4)
Q8
Q9
LL/INT
ALC VREF
AF
SW1
DC
5
4
3
2
1
6
7
8
9
10
OFF
CN2
2
3
SCL
SDA
+3.3V
SOFT
ELC
ALC
LL
VIDEO
BLC ON
SHARP
INT
3
+
-
+
-
-
+
-
+
FWHD
2
12
6
7
5
10
IC2
(3/3)
IC2
(2/3)
IC2
(1/3)
IC5
+3.3V
CN3
2
1
4
5
LL-DET
LL-PULSE
+3.3V
+9V
+9V
+9V
+5V
+9V
LL/INT
3
5
2
6
7
1
8
9
13
2
1X
+15V
+9V
-9V
FWHD
+25V
Q10-12,D2-8
CN1
+5V
+15V
-9V
SUB-BIAS
R-BIAS
FWHD
C
Y
CSYNC
VD2
PCO
VCXO-LPF
CO-LPF
OSC CONT
IRIS ADJ
ALC/ELC
BLC ON/OFF
SOFT/SHARP
4
5
E3
2
IC1,Q1-4,D1,
D3-7,21-24,T1
D3-7,21-24,T1
F1
CN1
1
L
LL-DET
LL-PULSE
+3.3V
+9V
N
2
2.5A
1
4
5
4
1
2
LL
VD2
TO
SENSOR BOARD
CN1
(Page 10)
SENSOR BOARD
CN1
(Page 10)
TO
E.V.R.
ADJ.
KIT
E.V.R.
ADJ.
KIT
SW1
1-10: SYNCHRONIZATION MODE SELECTOR
(Default setting is INT.)
2-9: BACK LIGHT COMPENSATION MODE SELECTOR
(Default setting is OFF.)
3-8: DETAIL/APERTURE LEVEL SELECTOR
(Default setting is SHARP.)
4-7: AUTOMATIC LIGHT CONTROL/ELECTRONIC
LIGHT CONTROL SELECTOR
(Default setting is ALC.)
5-6: LENS DRIVE SIGNAL SELECTOR
(Default setting is DC.)
1-10: SYNCHRONIZATION MODE SELECTOR
(Default setting is INT.)
2-9: BACK LIGHT COMPENSATION MODE SELECTOR
(Default setting is OFF.)
3-8: DETAIL/APERTURE LEVEL SELECTOR
(Default setting is SHARP.)
4-7: AUTOMATIC LIGHT CONTROL/ELECTRONIC
LIGHT CONTROL SELECTOR
(Default setting is ALC.)
5-6: LENS DRIVE SIGNAL SELECTOR
(Default setting is DC.)
(FROM
POWER
CORD)
POWER
CORD)
CN1
AC24V
INPUT
TERMINAL
CN4
AUTO IRIS LENS
CONNECTOR
CN5
VIDEO OUTPUT
CONNECTOR
SELECTOR
VIDEO
DC
AC 24V IN
AC IN
V
SUB
OUTPUT
DC-DC
BOOSTER
BOOSTER
VIDEO
MIX
MIX
VIDEO
OUTPUT
OUTPUT
VD2 L.P.F.
LL L.P.F.
ALC/ELC
OUTPUT
OUTPUT
C
OUTPUT
OUTPUT
BLC ON/OFF
OUTPUT
OUTPUT
VREF
CONTROLLER
CONTROLLER
VREF (DC)
CONTROLLER
CONTROLLER
ALC
DRIVER
DRIVER
+5V
REG.
REG.
SWITCHING
REGULATOR
REGULATOR
SWITCHING
REGULATOR
REGULATOR
B.P.F.
VIDEO
OUT
OUT
VR1
RESET
BIAS
RESET
BIAS
VR2
V
V
SUB
Note: VR1 and VR2 are not Adjusts.
VIDEO BOARD
POWER BOARD (WV-CL270)
POWER BOARD (WV-CL274E)
(Refer to the page 14 and 15 for the Schematic Diagram.)
(Refer to the page 19 on the Original
Service Manual WV-CP240 Series
for the Schematic Diagram.)
Service Manual WV-CP240 Series
for the Schematic Diagram.)
(Refer to the page 21 on the Original
Service Manual WV-CP240 Series
for the Schematic Diagram.)
Service Manual WV-CP240 Series
for the Schematic Diagram.)
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