Sony FWD-50PX1 Service Manual page 98

Q (1/3) BR24C21F (IC3001, IC3002)
1k BIT EEPROM ARRAY
7 BIT
NC 1
ADDRESS SUB WORD
DECODER ADDRESS REGISTER REGISTER
NC
2
START STOP
CONTROL
NC 3
CIRCUIT
ACK
GND 4
HIGH-VOLTAGE POWER SUPPLY
GENERATING CIRCUIT VOLTAGE DETECTION
Q (1/3) M52758FP (IC3003, IC3004, IC3006)
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Q (2/3) MAX202CSE (IC3018)
C1+ 1 16 Vcc
V+ 2 15 GND
C1- 3 14 T1 OUT
C2+ 4 13 R1 IN
C2- 5 12 R1 OUT
V- 6 11 T1 IN
7 10
T2 OUT T2 IN
R2 IN 8 9 R2 OUT
Q
8 BIT
8 VCC
DATA
VCLK
7
6 SCL
5 SDA
8-18
Q
Q (3/3) NJM4558E(TE2) (IC3011)
A OUT 1
A
– +
A IN– 2
B
+ –
A IN+ 3
VEE 4
Q (2/3) SN74CBTD3306PWR-12 (IC3024, IC3025, IC3026)
10E 1
1A 2
1B 3
GND 4
Q (1/3) SN74HC32APWR (IC3023)
VCC 4B
14 13
1 2
1A 1B
8-18
8
VCC
7 B OUT
6 B IN–
5 B IN+
8 VCC
7 2OE
6 2B
5 2A
4A 4Y 3B 3A 3Y
12 11 10 9 8
3 4 5 6 7
1Y 2A 2B 2Y GND
FWD-50PX1