Read Panasonic WV-BP140 Service Manual online
(FROM
POWER
CORD)
POWER
CORD)
CN1
DC12V
INPUT
TERMINAL
DC12V
INPUT
TERMINAL
CN1
AC24V
INPUT
TERMINAL
AC24V
INPUT
TERMINAL
DC 12V IN
AC 24V IN
AC IN
V
SUB
DC-DC
BOOSTER
BOOSTER
TO
SENSOR BOARD
CN1
(Page 7)
SENSOR BOARD
CN1
(Page 7)
L.P.F.
MULTIPLEXER
MULTIVIBRATOR
SELECTOR
(LL/VD2)
CN4
VIDEO OUTPUT
CONNECTOR
VIDEO OUTPUT
CONNECTOR
VIDEO
OUT
OUT
ALC VIDEO
MIX/OUTPUT
MIX/OUTPUT
ALC
LEVEL
LEVEL
SELECTOR
(ALC VIDEO/DC)
ALC
DRIVER
DRIVER
CN2
AUTO IRIS LENS
CONNECTOR
AUTO IRIS LENS
CONNECTOR
IRIS
CONTROLLER
CONTROLLER
VREF
CONTROLLER
CONTROLLER
VREF (DC)
CONTROLLER
CONTROLLER
VREF GEN.
VIDEO
OUTPUT
OUTPUT
VIDEO
OUTPUT
ELC
LEVEL
ELC
DRIVER
DRIVER
SW1
1-8: LENS DRIVE SIGNAL
SELECTOR
1-8: LENS DRIVE SIGNAL
SELECTOR
2-7: BACK LIGHT
3-6 COMPENSATION MODE
SELECTORS
3-6 COMPENSATION MODE
SELECTORS
4-5: AUTOMATIC LIGHT CONTROL/
ELECTORIC LIGHT CONTROL
SELECTOR
SELECTOR
PEDESTAL
COMPARATOR
SELECTOR
(A/B)
WV-BP142E
ONLY
ONLY
+5V
REG.
REG.
WV-BP142
ONLY
ONLY
WV-BP140/
WV-BP144E ONLY
WV-BP144E ONLY
WV-BP140/WV-BP144E
ONLY
+5V
REG.
REG.
+10V
REG.
REG.
SWITCHING
REGULATOR
REGULATOR
SWITCHING
REGULATOR
REGULATOR
VR1
VR5
VR3
VR4
IC6
(2/2)
+
-
5
18
27
36
45
7
6
+
-
IC5
(2/2)
IC5
(1/2)
-
+
6
VR2
7
5
2
1
3
3
1Z
0Z
ZC
+10V
CN2
C
5
9
4
IC6(1/2)
IC4(1/3)
IC1
IC7
+
-
3
1
+5V
+5V
+10V
+5V
+5V
CN1
13
12
11
A
14
1X
0X
XC
VREF
2
1
3
GND
DRIVE
VREF
DAMPER
2
4
E3
2
IC1,Q1-4,D1,
D3-8,21-24,T1
D3-8,21-24,T1
F1
CN1
1
L
LL-DET
LL-PULSE
+6V
+10V
LL-DET
LL-PULSE
+6V/+5V
+10V
N
2
1A
1
4
5
2
1
4
5
E1
2
2
1
1
2
IC2
IC1
F1
CN1
2
+12V
LL-DET
(NC)
LL-PULSE
(GND)
+5V
+10V
+5V
CN3
+5V
+10V
13
12
2
*
Q
1Q
1B
2B
YC
LL
VD2
VD2
CN4
+5V
+5V
+5V
VIDEO
DC
VREF
Q6,11
Q12
Q3
Q4,5
IC4(3/3)
Q15,16
VIDEO
SW1
DC
OFF
BLC ON
(ELC)
BLC ON
(ALC)
OFF
ELC
ALC
0Y
1Y
B
13
10
15
10
2
1
2
3
14
+5V
Q7,8,D1-3,5
IC8
IC4(2/3)
IC3
Q9,10
Q13
IC9
Q14,R91,92
C43,44
C43,44
+15V
-9V
+5V
+15V
-9V
SUB-BIAS
LL-PULSE
VD
PCO
12
VP-DET
19
Y
10
A/B CONT
ALC/ELC
AGC (VR)
ELC (VR)
PED (VR)
5
4
6
IRIS
CSYNC
24
22
TP4
(IRIS SIG)
FL
16
17
1
ALC(HD)
30
29
28
15
20
18
26
GND
1
3.15A
1
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
+6V
+10V
N
2
2.5A
1
4
5
PC2OUT
COMPIN
SIGIN
VIDEO BOARD
POWER BOARD (WV-BP140)
POWER BOARD (WV-BP142E)
POWER BOARD (WV-BP144E)
– 8 –
BLOCK DIAGRAM OF VIDEO BOARD / POWER BOARD
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