E Board - Sony KP-FX43M31 Service Manual

E
[ Y/C/J ]
— E BOARD (COMPONENT SIDE) —
— E BOARD (CODUCTOR SIDE) —

• E BOARD

SEMICONDUCTOR LOCATION
Ref.
Q4300-Q4303, Q4305-
Q4307, Q4309, Q4311,
Q4313, Q4316, Q4317,
Q4319
D4300-D4302, D4304,
D4305, D4312
* : Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 80)
– 141 –
*
2
3
KP-FX43M31/M61/M91, FX53M31/M61/M91
•E BOARD WAVEFORMS
1 2 3
4.5V (H) 3.6V (V)
P-P 1.7V (V)
P-P P-P
5
4 5
NTSC
SECAM
1.7V (V) 0.5V (H) 0.5V (H)
P-P P-P P-P
6
5 7
PAL
PAL 0.6VP-P(H)
PAL 0.6VP-P(H)
0.7V (H)
NTSC/SECAM 0.4VP-P(H)
P-P NTSC/SECAM 0.4VP-P(H)
8 9 0
2.0V (H) 2.0V (H) 2.0V (H)
P-P P-P P-P
• E BOARD IC4301 : LF50CDT-TR
V 1
IN
CURRENT
LIMIT
START REFERENCE
INHIBIT VOLTAGE
ERROR
DRIVER
AMPLIFIER
DUMP
TEAW.PROTEC.
PROTECTION
GND 2
– 142 –
RM-998
3 V
OUT