1-11-6
Power Supply Block Diagram
AC1001
F1001
1A 250V
LINE
FILTER
L1001
D1001 - D1004
BRIDGE
RECTIFIER
2
4
Q1001
Q1003
Q1008
8
7
1
2
3
4
IC1001
ERROR
VOLTAGE DET
T001
Q055
Q052
Q056
MAIN CBA
HOT CIRCUIT. BE CAREFUL.
20
19
18
17
16
15
14
13
12
11
Q1006
Q1005
Q1011
Q031
1
EV+1.2V
2
EV+1.2V
3
EV+3.3V
4
EV+3.3V
5
EV+3.3V
7
D
VD-P-ON+5V
8
EV+10V
9
EV+10V
6
D
VD-P-ON+3.3V
17
PWRCON
IC1004
+3.3V REG.
IC1002
+1.2V REG.
CN1001
Q1004
P-ON+5V
DVD-P-ON+12V
AL+18V
EV+3.3V
DVD-P-ON+3.3V
AL+33V
P-ON+9V
AL-30V
AL+12V
TIMER+5V
AL+5V
DVD-P-ON+5V
TO DVD MAIN
CBA UNIT
CN401
TO
SERVO/SYSTEM
CONTROL
BLOCK DIAGRAM
P-ON-L
P-DOWN-L
Q057
HO
T
COLD
A V
F
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse(F1001)is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
"Ce symbole reprèsente un fusible à fusion rapide."
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
ATTENTION : Pour une protection continue les risqes
d'Incele n'utiliser que des fusible de m
ê
me type.
Risk of fire
-replace fuse as marked.
"This symbol means fast operating fuse."
A V
F
H9801BLP
Summary of Contents for sylvania DVC840F
Page 16: ...1 6 3 H9801DC Fig D5 S 7 S 7 S 7 S 8 8 VCR Chassis Unit ...
Page 41: ...1 12 10 H9802SCM8 Main 8 8 Schematic Diagram VCR Section DVC865F ...
Page 63: ...1 18 2 H9801PEX Packing S2 S2 S2 S2 S1 Unit A14 S3 X1 X4 X20 X5 X2 X3 ...
Page 71: ...DVC840F MWD2205 DVC865F H9801UD H98K0UD H9802UD 2005 01 28 ...