Main Board /Pannello Principal
Component Location/Lato del Componente
SW601
Main switch
F601
Fuse
Q611
T611
Converter Transformer
TP-B
VR462
H-Width
Q461
Q462
T451
Flyback
Transformer
Q612
Q613
T481
RC Transformer
D615
Photo-coupler
SW1901
Prog.+
SW1902
Prog.-
SW1903
Vol.+
SW1904
Vol.-
Q641
VR641
+B ADJ.
Q681
Q501
Q432
H-Output
IC501
V-Outout
IC651
+12V
R224
J213
Scart 2
SW501
V-Centre
VR501
V-Size
IC271
1H Delay
IC652
+8V
Scart 1
IC201
IF/Video/Croma/Def.
IC281
VR361
H-Centre
VR131
AGC
T101
T102
VC141
T141
IC810 Band SW.
Audio Board
SIF Board
A101 Tuner
IC1202
Int./Ext. SW.
IC1201
AV2 SW.
TP-E
TP-D
IC802
Memory
IC801
CPU
IC001
Audio-output
GENERAL BLOCK DIAGRAM FOR EB4 CHASSIS
IC801
CPU
21P Scart: AV1
21P Scart: AV2
IC201
IF/Video/Chroma/Def.
IC1202
CVBS int/ext sw.
CRT Unit
FBT
DY
IC001
Audio Output
IC501
Vert. Output
T611
Converter Transformer
Power Supply Circuit
SIF Unit
Audio Unit
Tuner
IC802
Memory
47
49
50
SCL
SDA
RC Pre.amp
6
5
51
52
IC810
Band sw.
14
24
17
18
2
3
4
5
2: Bright 3: Contranst
4: Colour 5: Sharpness
Control Keys
10
VL
VH
U
IF
TU
1
16
45/46
28/29
30/31
41 48
37
18
19
20
7
13
15
21
22
23
24
X131
SAW Filter
IC271
1H Delay
R-Y/B-Y
R-Y/B-Y
CVBS In
Functuin In(AV1/AV2)
11/12
14/16
B
G
R
BLK
External CVBS in
Internal CVBS in
Q151
Q152/Q154
H-Drive
Q431
Q432
H-Outpit
V-Drive
V-Feedback
Audio In
Speakers
VR501
C512
H
V
HV
Q2601
Q2611
Q2621
Q171
1
6
3
8 Out
Audio I/O
Audio I/O
Video I/O
Video I/O
RGB/BLK In
B1: 150V
B2: 25V
B3: 15V
B4: 24V
IC651
IC652
B6: 12V
B8: 5V
B7: 8V
L, R
L, R
1/ 5
10/ 8
AC In
Q612
Q613
V-In
V-In
R
G
B
CVBS In
Audio I/O
SIF In
Audio Out L, R
4
2
CRT Board /Pannello Cinescopio
Component Location/Lato
del Componente
Q701
Q751
Q740
Q725
VR711
R-BIAS
VR721
G-BIAS
VR701
B-BIAS
VR712
R-DRIVE
VR702
B-DRIVE
Audio Board /Pannello Audio
Component Location/Lato del
Componente
IC1251
IC3401
IC3451
IC3431
K34A
K34B
T3401
Circuit side/Lato del Circuito
Circuit side/Lato del Circuito
