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– 72 –
– 71 –
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
F
[CISPR]
– F Board –
PRINTED WIRING BOARD
(6) Schematic Diagram of F Board
BLUE CATHODE
CURRENT
(RED CATHODE CURRENT,
GREEN CATHODE CURRENT)
VDD
VDD
BLUE INPUT
(GREEN INPUT,
RED INPUT)
(RED FEEDBACK,
GREEN FEEDBACK)
BLUE FEEDBACK
(RED OUTPUT,
GREEN OUTPUT)
BLUE OUTPUT
GROUND
GND
REFERENCE
VOLTAGE
SECAM
PAL
122Vp-p (H)
125Vp-p (H)
PAL/SECAM
NTSC
SECAM
115Vp-p (H)
4
3
2
2
1
1
1
3
PAL/NTSC
140Vp-p (H)
NTSC
113Vp-p (H)
PAL : 122Vp-p (H)
118Vp-p (H)
SECAM :
23.1Vp-p (H)
PAL/NTSC :
22.8Vp-p (H)
SECAM :
PAL :
NTSC : 126Vp-p (H)
135Vp-p (H)
C BOARD IC701 STV5112
C BOARD WAVEFORMS
1
2
1
2
1
2
3
4
1
2
3
4
C
6
5
4
R4601
CN4601
CN4602
CN4603
JW4602
JW4601
T4601
T4602
JW4603
JW4604
C4602
C4601
F4601
VDR461
0
.0
0
4
7
2
5
0
V
E
1M
1/2W
2P
:VH
2P
:VH
1P
:TAB
#
#
LFT
LFT
#
#
0.68
250V
:PT
0.47
250V
:PT
5A
250V
:FUSE
#
AC IN
AC IN
AC OUT
AC OUT
GND
CN3601
TO A BOARD
CN104
(CISPR)
TO H3 BOARD
B-SSSBG3S-...-F.25