Sony VPL-HS20 Service Manual page 102

B (5/10) SN74LV244APWR (IC403)
B (6/10) SN74LV244APWR (IC509)
EN 1 20 VCC
IN0 2 19 EN
OUT4 3 18 OUT0
IN1 4 17 IN4
OUT5 5 16 OUT1
6 15 IN5
IN2
OUT6 7 14 OUT2
8 13 IN6
IN3
OUT7 9 12 OUT3
10 11
GND IN7
B (6/10) AD9888K-110 (IC502)
RAIN0 5
2:1
CLAMP A/D
MUX
8
RAIN1
GAIN0 13
2:1
CLAMP A/D
MUX
17
GAIN1
20
BAIN0
2:1
CLAMP A/D
MUX
BAIN1 23
45
HSYNC0
2:1
MUX
HSYNC1 43
44
VSYNC0
2:1
MUX
VSYNC1 42
12
SOGIN0
2:1
SYNC
MUX PROCESSING
SOGIN1 16
AND
CLOCK
GENERATION
COAST 53
30
CLAMP
29
CKINV
54
CKEXT
FILT 50
SCL 32
SERIAL REGISTER
SDA 31 AND
POWER MANAGEMENT
33
A0
8
113
| ROUTA
120
8
103
8
| ROUTB
110
8 90
GOUTA
|
97
8
80
8
| GOUTB
87
8 70
| BOUTA
77
8
8 57
| BOUTB
64
2
123 DATACK
125 HSOUT
VSOUT
127
126 SOGOUT
REF
REF 2
BYPASS
6-16
B B
B (7/10) SN74LVC541APWR
(IC600-606, 608,609)
G1
1 20 VDD
A1 G2
2 19
A2 3 Y1
18
A3 4 Y2
17
A4 5 16 Y3
A5 6 15 Y4
A6 7 14 Y5
A7 Y6
8 13
A8 12 Y7
9
GND 10 11 Y8
B (8/10) S-80928CNMC-G8YT2G (IC720)
V
DD 2
DELAY
V
REF
V 4
SS
5
CD
6-16
B (9/10) NE57814DD (IC801)
V
DD
5
OVERTEMP
CONTROL
100 kZ OVERCURRENT
CONTROL
EXTREFIN
5
V SENSE 2
TT
100 kZ
POWER
STANDBY 7
MANAGER
B (9/10) PQ025EZ01ZPH (IC800)
B (10/10) PQ025EZ01ZPH (IC904)
ON/OFF 2
EXCLUSIVE
IC(STABILIZER,
1 OUT ADJ OVER CURRENT &
4
HEAT PROTECTION,
ON/OFF CONTROL)
5
GND
V
D
4
3 V
TT
8 REFOUT
1
V
SS
IN
1
3
OUT
VPL-HS20