Block Diagrams, Test Point Overview, and Waveforms
9
SK5.1L CA
6.
6.
Block Diagrams, Test Point Overview, and Waveforms
Block Diagram Chassis
47
2
3
/24
AGC
27
EW
49
6/7
EHT
G1 G2 G
3
KB
KG
KR
BLK
R/G/B
+
8
V
6
1\4
+45V
+
3
.
3
V
+5V
+
8
V
+22V
+
33
V
1/7
2
8
/
3
0
9
46
TUNER
FRONT/
S
IDE
AV INTUT
AV IN/OUT(BACK)
YUVINPUT
IC101
TDA9
3
XXP
S
/N2/5I
VIF
S
OURCE
S
WITCHING
S
OUND
CONTROL
S
YNCPROCE
SS
ING
GEOMETRY
CONTROL
(PAL/NT
S
C)
RGBPROCE
SS
ING
8
0C51MICROCONTROLLER
64K ROM
24C0
8
IC102
2
8
38
(V_OUT)
2(
S
CL)
3
(
S
DA)
TDA9
8
50AH
IC740
29
3
0
S
DA
S
CL
I
2
C
40(CVB
S
IN)
AFC
42(Y/CVB
S
IN)
44 (TV AUDIOL\R)
AC90--260V
AC INPUT
+12V
+19V +110V
7
8
0
8
KA
33
V
MAINPOWER
ABL
33
H_OUT
20
EW
Q440
C
S
6
3
0F
H_AMP
N401
T402
FBT
ABL
S
C
+/-16V
H_DEF
LECTION
V_DEFLECTION
HEA
TER
S
CR
EEN
EHT
IC
8
51
TDA9
8
59H
2
8
IC760
TDA9
8
42
BTL AUDIOAMP
HI-FI AUDIO
AV1 R / YUVR
AV2 L /
S
-VIDEOL
S
IDE AV L
S
IDE AV R
11
IF
+
33
V
21/22
V_OUT
R/G/B_OUT
BLK
51/52/5
3
50
IC
3
01
TDA9
3
65
VERTIALDRIVE
5
2K RAM
10 PAGETELETEXT
ON
S
CREEN
DI
S
PLAY
IC601
+
8
V
15/1
8
+22V
L/ R
L_OUT
R_OUT
16(
S
CL)
17(
S
DA)
KEY REM
+5V
7
64
+5V
KEYBOARD/
REMOTEL
CONTROL
2.47V
5P20 29
S
L7 DIAGRAM(PHILIP
S
)
Q501
Q502
Q50
3
Q504
Q505
Q506
Q507
Q50
8
Q509
VCC
VCC
(W6556A)
C
2
I
5V
33
V
S
CL
S
DA
C
2
I
14
5
11
4
15
2
+1
3
5V
AV1
AV2
S
IDE AV
5
4
2
4
8
+45V
IC761
IC762
HCF4052
HCF4052
11
4
3
/1
3
OUT
Y
U
V
3
D255
3
5
3
R OUT
L OUT
V OUT
21
27
X4.5B
TV IN
1
AV1 L / YUVL
AV2 R /
S
-VIDEOR
S
-VIDEOY
4
C
S
-VIDEOINPUT
Q906
Q907
S
VM
44
S
VM
+5V
PRE-IF
Q1976M
I_17
88
0_009.ep
s
270
3
0
8