Philips 21PT9457 - Block Diagrams, Test Point Overviews, and Waveforms; Block Diagram Chassis

Block Diagrams, Test Point Overviews, and Waveforms
EN 11SK4.0L CA 6.
6. Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Chassis
1234 65
A
B
C
D
6
543
2
1
D
C
B
A
TDA93XX/N3
SCART 1
Y
RGB
UV
V in
REAR AV SIDE AV S-VHS
C in
AV in
ANTENNA
FS TUNER
IF AMP SAW101
IF
MTS/A2/NICAM
AV-SW 4052
L
R
AV OUT
VLR
YC
V
LR
RLV
AMP-TDA9841/9842/9843
L
R
TONE CONTROL
KEY CONTROL
R
G
B
IK
24C08
CQ0765
V AMP TDA4863AJ
H DRIVE
SPL
SPR
CRT BOARD
21" CRT
V--DY
H--DY
R OUT
G OUT
B OUT
SW
90V-260V
DEG COIL
POWER
SCL
SDA
PHILIPS UOC2
+110V FOR B+
+43V
+12V FOR MAIN
+20V FOR AMP
CVBS OUT
SLIM PART
63
62
4
AV3 SW
10
9
PWM CONTROL AUDIO VOL
MUTE
AUDIO OUT
SCART ID
7
10
44
5
I/O
6KEY
LR
AV1 SW
AV2 SW
1
12
V
2
15
14
5
3
13
AUDIO
3DD5023
411
FM
+8V FOR UOC
SCL SDA
SCL SDA
-12V+12V
SCL
SDA
A1
A1
A2
A2
A3
A3
B
D
E
G
M
K
A6
A6
A7
A7
A5
A5
A8
A8
IF
A4
H_17450_011.eps
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