Sony VPL-X2000U Service Manual page 261

A B
9-45
C D
BC
BC Board IC Block Diagrams
M54544AL (IC4306 – 4308)
VCC1 VCC1 O2 O1 VCC2 VCC2
1 2 3 7 8 9
THERMAL
SHUT DOWN
4 5 6
IN1 GND IN2
PC74HC08D-T (IC4305)
VCC 4B 4A 4Y 3B 3A 3Y
14 13 12 11 10 9 8
1 2 3 4 5 6 7
1A 1B 1Y 2A 2B 2Y GND
PC74HC14D-T (IC4304)
VCC 6A 6Y 5A 5Y 4A 4Y
14 13 12 11 10 9 8
1 2 3 4 5 6 7
1A 1Y 2A 2Y 3A 3Y GND
9-45
E F
PC74HC32D-T (IC4301 – 4303)
1A 1 14 VCC
1B 2
13 4B
12 4A
1Y 3
2A
4 11 4Y
2B 5 10 3B
9 3A
2Y 6
GND 7 8 3Y
TDA7315D013TR (IC4002)
DIG OUT OUT B OUT B IN B OUT B IN
SCL SDA GND LEFT RIGHT (R) (R) (L) (L) L
20 19 18 17 16 15 14 13 12 11
SPEAKER
VOL/LOUD BASS TREBLE
ATT
SERIAL BUS DECODER/LATCH
SPEAKER
VOL/LOUD BASS TREBLE
ATT
SUPPLY
1 2 3 4 5 6 7 8 9 10
IN (R) VS A GND TREBLE TREBLE R LOUD N.C LOUD N.C
(L) (R) (R) (L)
G H
1
2
3
4
5