Service manual CL2554AN / CL2854AN
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LED 2
11
port 0.6 ( 8mA current sinking capability )
VSSA
12
analogue ground of teletext decoder and digital ground of TV
processor
SEC PLL
13
SECAM PLL decoupling
VP2
14
2nd supply voltage TV-processor
DECDIG
15
decoupling digital supply of TV-processor
PH2LF
16
phase-2 filter
PH1LF
17
phase-1 filter
GND3
18
ground 3 for TV-processor
DECBG
19
bandgap decoupling
AVL/EWD
20
East / West drive output
VDRB
21
vertical drive B output
VDRA
22
vertical drive A output
IFIN1
23
IF input 1
IFIN2
24
IF input 2
IREF
25
reference current input
VSC
26
vertical sawtooth capacitor
TUNERAGC
27
tuner AGC output
SIFIN1
28
SIF input 1
SIFIN2
29
SIF input 2
GND2
30
ground 2 for TV processor
SIF AGC
31
AGC sound IF
REF0
32
n.u.
HOUT
33
horizontal output
FBISO
34
flyback input / sandcastle output
QSS out
35
QSS intercarrier output
EHT0
36
EHT/Overvoltage protection
PLLIF
37
IF PLL loop filter
IFVO
38
IF video output
VP1
39
main supply voltage TV-processor
CVBSINT
40
internal CVBS input
GND1
41
ground 1 for TV-processor
CVBS/Y
42
external CVBS/Y input
CHROMA
43
chrominance input (SVHS)
AMOUT
44
n.u.
INSSW2
45
2nd RGB insertion input
R2IN
46
2nd R input
G2IN
47
2nd G input
B2IN
48
2nd B input
BCLIN
49
beam current limiter input
BLKIN
50
black current input
R0
51
RED Output
G0
52
GREEN Output
B0
53
BLUE Output
VDDA
54
analogue supply of Teletext decoder and digital supply of TV-
Processor (3.3V)
VPE
55
OTP programming supply
VDDC
56
digital supply to core (3.3V)
OSCGND
57
oscillator ground supply
XTALIN
58
crystal oscillator input
Summary of Contents for CL2554AN
Page 17: ...Service manual CL2554AN CL2854AN 16 ...
Page 21: ...Service manual CL2554AN CL2854AN 20 ...
Page 34: ...Service manual CL2554AN CL2854AN 33 5 Circuit description 5 1 Block diagram ...
Page 39: ...Service manual CL2554AN CL2854AN 38 Chassis block diagram IF ...
Page 43: ...Service manual CL2554AN CL2854AN 42 Sound signal flow diagram ...