Magnavox sylvania DVC840F, Руководство по обслуживанию

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1-12-16
PIN 2 OF
TU701
WF10
PIN 6 OF
TU701
WF11
PIN 11 OF
TU701
WF12
PIN 12 OF
TU701
WF13
PIN 14 OF
TU701
WF14
PIN 18 OF
TU701
WF15
PIN 8 OF
CN1601
PIN 18 OF
CN1601 PIN 13 OF
CN1601 PIN 10 OF
CN1601 PIN 15 OF
CN1601
WF6
WF5 WF4 WF8 WF7
WF6
WF7 WF5 WF4 WF8 WF9
PIN 2 OF
IC751
Main CBA Bottom View
BH9800F01011A
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
Because a hot chassis ground is present in the power
supply circut, an isolation transformer must be used.
Also, in order to have the ability to increase the input
slowly, when troubleshooting this type power supply
circuit, a variable isolation transformer is required.
MAIN CBA
Ref No. Position
IC301 C-4
IC451 B-4
IC501 C-1
IC751 B-5
IC1001 F-5
IC1002 G-2
IC1004 G-2
IC1201 C-5
IC1402 E-4
Q031 F-5
Q052 F-3
Q055 F-2
Q056 F-2
Q057 F-2
Q301 C-3
Q302 C-3
Q303 B-3
Q391 D-5
Q421 D-4
Q422 C-4
Q425 D-4
Q426 D-4
Q501 B-1
Q506 C-3
Q563 B-1
Q565 B-1
Q566 F-1
Q567 E-1
Q762 A-5
Q763 B-5
Q1001 G-4
Q1003 G-4
Q1004 G-3
Q1005 G-1
Q1006 G-1
Q1008 G-5
Q1011 G-3
Q1201 F-5
Q1202 F-5
Q1204 D-5
Q1351 G-5
Q1385 D-5
Q2002 G-1
Q2013 G-1
CN253 C-4
CN501 A-5
CN502 E-3
CN504 D-4
CN1001 G-1
CN1601 E-4
CN2003 G-1
VR501 A-2
TP301 A-3
TP302 A-3
TP502 E-1
TP505 A-3
TP506 F-3
TP507 A-3
TP513 A-2
TP751 F-5
TEST POINTS
ICS
TRANSISTORS
CONNECTORS
VARIABLE RESISTOR