Panasonic WV-CF224 Service Manual page 15

SCHEMATIC DIAGRAM OF SW BOARD
SW BOARD
TO
VIDEO
CN1
OUTPUT
VIDEO 1
CABLE
GND 2
(E1)
(WITH
VIDEO
OUTPUT
CONNECTOR)
CN2
B
ALC/ELC 1
SOFT/SHARP 2
BLC ON/OFF 3
INT/LL 4
FLC 5
VIDEO(I) 6
GND 7
5V 8
9V 9
3.3V 10
GND 11
LL DET 12
LP 13
TO
MAIN
BOARD
CN3
CN3
9V 1
5V 2
GND 3
GND 4
LLDET 5
LP 6
TO
POWER
BOARD
CN2
A
1
R1
0R00
IC1
1 2
VSS IN
OUT
3
Note: The value indicated in the schematic
<Example>
diagram should be read as follows:
For Resistor:
Multiplier (0–5)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
<INDEX>
SW BOARD
IC1 B1,B2
* R8
* R8
NTSC : 0R00
PAL : 0R00
JAPAN : OPEN
R2
100
SW1 8
1
For Capacitor (Exclude Electrolytic
330 → 33 x 10 = 33 Ω
0
and Tantalum Capacitor):
561 → 56 x 10 = 560 Ω 820 → 82 x 10
1 0
= 82PF
123 → 12 x 10 = 12k Ω 102 → 10 x 10
2
3 = 1,000PF = 0.001µF
0R00=0 Ω 104 → 10 x 10
4
= 100,000PF = 0.1µF
2R0 = 2.0 PF
2
4-3
JK1
1 GND
2 VIDEO(I)
JK1
3 NC
4 ALC VIDEO
5 ALC/ELC
JACK
6 GND
10 VIDEO(O)
11 NC
SW1
1-8 : SYNCHRONIZATION
MODE SELECTOR(1)
2-7 : BACK LIGHT
7 6 5
COMPENSATION
2 3 4
SELECTOR(2)
3-6 : APERTURE LEVEL
SELECTOR(3)
(4-5 : FOR JAPAN ONLY)
R7
*
NTSC : OPEN
PAL : OPEN
JAPAN : 103
For Coil:
270 → 27 x 10 = 27 µH
0
101 → 10 x 10 = 100 µH
1
8R2 = 8.2 µH
3