M (1/2) Board - Sony KF-50SX100K Service Manual

A
B
C
D
E
F
G
H
I
M (1/2) BOARD : IC9100 LM393PS
Vcc
OUT A 1 8
A
NF A 2 7 OUT B
J
B
IN A 3 6 NF B
GND 4 5 IN A
K
M (1/2) BOARD : IC9101 CXA1875AM
13 12 11 1 2 9 10
LEVEL CONVERTION LEVEL CONVERTION
L
SDA 14
LEVEL
CONVERTION
SCL 15
PC DECODER
POWER
ON
RESET
M
LATCH LATCH LATCH LATCH LATCH LATCH
–
DAC DAC DAC DAC DAC
+
Vcc
N
Vcc
AMP AMP AMP AMP AMP
REG
3 4 5 6 7 8
16
O
• M (1/2) BOARD WAVEFORMS
1 2
P
2.2Vp-p (20.48MHz) 1.1Vp-p (16MHz)
– 97 –
1 2 3 4 5 6
– 98 –
10
7 8 9 11 12
– 99 –
13 14 15 16 17 18 19 20 21
– 100 –