4-3
SCHEMATIC DIAGRAM OF SW BOARD
TO
VIDEO
OUTPUT
CABLE
(E1)
(WITH
VIDEO
OUTPUT
CONNECTOR)
JK1
VIDEO
JACK
SW1
1-8 : SYNCHRONIZATION
MODE SELECTOR(1)
2-7 : BACK LIGHT
COMPENSATION
SELECTOR(2)
3-6 : APERTURE LEVEL
SELECTOR(3)
(4-5 : FOR JAPAN ONLY)
TO
MAIN
BOARD
CN3
TO
POWER
BOARD
CN2
(1)
(2)
(3)
1
2
3
4
5
6
9V
5V
LLDET
LP
GND
GND
CN3
R1
0R00
R2
*
R8
NTSC : 0R00
PAL : 0R00
JAPAN : OPEN
*
R7
NTSC : OPEN
PAL : OPEN
JAPAN : 103
*
R8
100
R4
103
R5
103
R6
FLC ON/OFF
SHARP/SOFT
BLC ON/OFF
INT/LL
10K
C1
+
-
470/10
C3
105
C2
104
C4
104
1
2
3
4
5
6
10
11
GND
NC
NC
GND
JK1
R3
103
1
2
VIDEO
GND
CN1
VSS
1
IN
2
3
OUT
IC1
3
6
2
7
1
8
4
5
SW1
1
2
3
4
5
6
7
8
9
10
11
12
13
3.3V
9V
INT/LL
BLC ON/OFF
ALC/ELC
VIDEO(I)
ALC/ELC
ALC
VIDEO(I)
VIDEO(O)
GND
GND
LL DET
LP
5V
SOFT/SHARP
FLC
CN2
*
R7
Note: The value indicated in the schematic
diagram should be read as follows:
Multiplier (0–5)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
<Example>
For Resistor:
330
→
33 x 10
0
= 33
Ω
561
→
56 x 10
1
= 560
Ω
123
→
12 x 10
3
= 12k
Ω
0R00=0
Ω
For Capacitor (Exclude Electrolytic
and Tantalum Capacitor):
820
→
82 x 10
0
= 82PF
102
→
10 x 10
2
= 1,000PF = 0.001
µ
F
104
→
10 x 10
4
= 100,000PF = 0.1
µ
F
2R0 = 2.0 PF
For Coil:
270
→
27 x 10
0
= 27
µ
H
101
→
10 x 10
1
= 100
µ
H
8R2 = 8.2
µ
H
<INDEX>
SW BOARD
IC1
B1,B2
A
B
1
2
3
SW BOARD