Block Diagram - AOpen A70PF Service Manual

200-200-P6NS Video Board
Signal Cable
H,V sync
200-100-P6NS Main Board
EEPROM
IC901
24LC08
Control
PCB
Degauss
Power Cord
SMPS
AC100-240V
I501
KA3842
A70PF(RX-777NS)
F.BLOCK DIAGRAM
Video PerAmp
R,G,B
OSD
IC201
LM1237
MCU
IC901
EMC6700
80V
Voltage
55V
Regulator
D502,D508,
15.5V
D510,D513,
7.5V
D509
-13V
DC –restore
IC202
LM2480
Vertical
Booster
IC301
TDA8172
H/V
Processor
IC601
TDA9116/8
Horizontal Def.
O/P Stage
Q703,D709
H-Driver
T702,Q702
Booster
Q719,D719
Video AMP
CRT
IC203
LM2469
FBT
T701
Dynamic Focus
T703,Q713
12 / 33
DY
HV
V H Focus
G1
G2