Sanyo C29LF34 Service Manual page 9

IC Block Diagrams
IC302 QNJM2233BD
+
GND Vout V
8 6
7
BUFFER
2 3
1
Vin1
CTL Vin2
IC7905 <DAC> QCXA1315P
2
C BUS
I
14
SDA
LEVEL
CONVERT
15
SCL
Power
On
Reset
V
CC
REG
GND
NC
5
4
NC
SLAVE ADDRESS SELECT
SAD2 SAD1 SAD0
13 12 11
LEVEL
CONVERT
LATCH
LATCH
DAC
V
CC
AMP
3
DAC4
SW IN/OUTPUT
SW0~3
1 2
LEVEL
LATCH
CONVERT
2
I C DECODER
LATCH
DAC DAC
AMP
AMP
4 5
DAC3
DAC2
DAC OUTPUT
-9-
9 10
LATCH
LATCH
DAC
DAC
AMP AMP
6 7
DAC1 DAC0