Sanyo C29LF34 Service Manual page 6

IC Block Diagrams
IC501 < Vertical Output > LA7841 C50 V rtica Ou put > > LA 84
IC001 < Sound Output > LA4270
IC301 <COMB Filter> TC9090ANM
3
VIDEO ADC
CLAMP
19
CLO O C CLOCK OC OCK
THERMAL
PROTECTION
LA7841
AMP
2
1 3 4
LA4270
300
Ripple Rip
Filter
SECAM
LINE VERTICAL
MEMORY ENHANCER
4.43 NTSC
BPF
DYNAMIC
BPF
COMB FILTER
BPF
4fsc
4fsc 4fsc
PLL P LL
fsc sc
PUMP
UP
-
+
7
6
5
30K
-
CH1
+
Thermal
Shutdown
Over
V Volta Voltage age
+ +
CH2
-
30K
Vcc
300
CORING
+
PEDESTAL
+
+
CLIP
-
CHROMA KILLER
BPF
1 LINE DOT
BPF
IMPROVEMENET
2 2
I I C B C BUS
8/9 8/9
BUS
-6-
25
Y DAC
Y-OUT
23
C DAC C-OUT
TC9090A TC9090ANM