Sony FWD-32LX1R Service Manual page 103

D3 (2/6) PCA9555DB-118 (IC2202)
A0 21
A1 2 8-BIT
A2
3
WRITE PULSE
READ PULSE
2
I C/SMBUS
CONTROL
SCL 22
INPUT
8-BIT
FILTER
23
SDA
WRITE PULSE
READ PULSE
24
VDD
POWER-ON
VSS 12 RESET
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
D3 (2/6) PST3629NR (IC2201)
V 5
CC
R D
_
+ 4
Vref
GND 3
1
CD
D3 (3/6) BA18BCOWFP-E2 (IC2406)
D3 (3/6) BA25BC0WFP-E2 (IC2405)
D3 (3/6) BA33BC0WFP-E2 (IC2404)
_
VREF
DRIVER
TSD OCP
1 2 3 4 5
CTL VCC GND OUT C
FWD-32LX1R
13 I/O10
14 I/O11
15
I/O12
INPUT/ 16
I/O13
OUTPUT
17 I/O14
PORTS
18 I/O15
19
I/O16
20 I/O17
4 I/O00
5 I/O01
6
I/O02
INPUT/
7
I/O03
OUTPUT
PORTS 8
I/O04
9
I/O05
10
I/O06
11
I/O07
VINT
LP FILTER
1
INT
D3 (3/6) S-80828CNNB-B8NT2G (IC2403)
VCC 4
_
OUT +
VREF
VSS 2
D3 (3/6) NJM2903V (TE2) (IC2403)
OUTPUT1 1 8 V+
7 OUTPUT2
1
_INPUT1
2
2
+INPUT1 _INPUT2
3 6
+INPUT2
GND 4 5
D3 D3
D3 (3/6) MBM29LV800TA-70PFTN (IC2408)
RY/BY
RY/BY
BUFFER
VCC 37
VSS
27 ERASE VOLTAGE
GENERATOR
VSS
46
WE 11
STATO
CONTROL
BYTE 47
RESET 12
COMMAND
REGISTER
PROGRAM VOLTAGE
GENERATOR
CE
26
CE
28
STB
25 ,
16
23 TIMER FOR
, LOW VCC DETECTOR
PROGRAM/ERASE
1
9
,
A0 TO A15
48
A-1 24
D3 (4/6) BA7078AF-E2 (IC1809)
1
HSCTL
1 OUT
H SYNC DET
C/HSYNC IN 2
VIDEO IN 3
SYNC SEPA
4
VSEPA
V SYNC SEPA
VSNC IN 5
CVPOL 6
V SYNC DET
CVEXI 7
8
CPSEL CLAMP PULSE GEN
GDN 9
8-9 8-9
D3 (4/6) TC74HC123AF(EL) (IC1807)
DQ0 TO DQ15
29 - 36, 38 - 45
16 15 14 13
INPUT/OUTPUT
BUFFERS
Q
Q
CLR
CHIP ENABLE STB 1 2 3 4
DATA LATCH
OUTPUT ENABLE
LOGIC
Y-DECODER Y-GATING
ADDRESS
LATCH
X-DECODER CELL MATRIX
D3 (4/6) TC74LCX00FT(EL) (IC1801)
VCC 4B
14 13
18 POLH
1 2
1A 1B
17 EXIH
16 POLV
15 EXIV
HOR. SYNC
CONTROL
14 VCC
D3 (4/6) TC74LCX14F(EL) (IC1800)
13 HDRV
V
DD
CLAMP
12
14 13 12 11
11 VDRV
10 CPWID
1 2 3 4
12 11 10 9
Q
Q
5 6 7 8
4A 4Y 3B 3A 3Y
12 11 10 9 8
3 4 5 6 7
1Y 2A 2B 2Y GND
10 9 8
5 6 7
GND