Sanyo C29LF34 Service Manual page 9

IC Block Diagrams
IC302 QNJM2233BD I C302 QNJ M22 33BD D
+
G GND D Vout ou V V
8 6
7
BUFFER
1 2 3
Vin1
CTL Vin2
IC7905 <DAC> QCXA1315P
I 2 C BUS
SDA 14
LEVEL
CONVERT
SCL 15
Power
On
Reset
V
CC
REG
GND
NC C
5
4
NC
SLAVE ADDRESS SELECT
SAD2 SAD1 SAD0
13 12 11
L LEVEL
CONVERT
LATCH
LATCH
DAC
V
CC
AMP AMP
3
DAC4 DAC4 DAC3 DAC3
SW IN/OUTPUT
SW0~3
1 2 9 10
L LEVEL V EL
LATCH L T
CONVERT
2
I C DECODER
LATCH
DAC DAC
AMP
4 5 5
DAC2 AC2
DAC OUTPUT
-9-
LATCH LATCH
DAC DAC
AMP
AMP
7
6
DA A C1 DAC1 DA DAC0