Block Diagram
30
202P4 M25P
Pre-Amp
TDA4887
Post
-Amp
LM2402
OSD
WT6803
Sync
Processor
TDA4856
Power
Supply
&2
nd
Power
(+5V)
Degaussing
Rotation
EHT
X
-RA
Y
Linearity
Control
DAF
Cs
SW
Horizontal
Deflection
V
ertical
STV9379
Muting
&
G
1
Spot
Killer
CR
T
Sync
Switch
DDC
2B
BNC
D
-SUB
’
H”
HV
H-
UNLOCK
MUTE
B+
HDR
V
G1
+230
+81
+15
-1
5
+6.3
SDA
SCL
Horizontal
Frequency
:
30~130kHz
V
ertical
Frequency
:
50~160
Hz
CM25+
202P4
21”
MONIT
OR
SDA/SCL
(DDC)
.
.
.
H’
Auto
Calibrate
MCU
WT62P2
.
V
V
”
.
Signal
Selector
DC
Restore
(discrete)
R
G
B
.
Purity
&
conver
gence
correction
MHR
Содержание 202P4
Страница 31: ...Terminal Schematic Diagram A1 Go to cover page ...
Страница 33: ......
Страница 34: ......
Страница 35: ...Go to cover page ...
Страница 37: ...Key Control Schematic Diagram 202P4 M25P 32 34 Go to cover page E ...
Страница 39: ...Go to cover page ...
Страница 41: ......
Страница 43: ...Power Schematic Diagram C C1 C6 C2 C7 C3 C4 C5 C9 C8 Go to cover page ...
Страница 45: ...Drive Schematic Diagram 202P4 M25P 32 38 D Go to cover page ...
Страница 91: ...83 202P4 M25P Repair Flow Chart Go to cover page 7 0 2 ...