Philips DVDR3475/37, Service Manual

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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
Power Supply Block Diagram
AC1001 AC CORD
F1001 1A 250V
LINE
FILTER L1001
D1001-D1004
Q1003
Q1002
IC1001
ERROR VOLTAGE DET
SW
BRIDGE RECTIFIER
A V
F
HOT CIRCUIT. BE CAREFUL.
D1063
RECTIFIER
D1057, D1058
RECTIFIER
D1056, D1077
RECTIFIER
D1051
EV+5V
PWSW
POW-SW
Q1001
SW
CTL
3 4
1 2
SW
CTL
RECTIFIER
D1054
RECTIFIER
Q1053
SW+5V
VIDEO+5V AL-30V F1 -FL F2 EV+10.5V
+1.8V
REG.
IC1504
1
2
4
+3.3V
REG.
IC1503
1
2
4
TO SYSTEM CONTR
O
L
BLOCK DIA
GRAM
Q1054 SW+10.5V
EV+3.3V AUDIO+10V INSEL+5V P-ON+3.3V P-ON+5V EV+1.2V
Q1063
+3.3V
REG.
Q1057
SW+5V
Q1060
Q1505
Q1506
Q1056
REG-CONT REG-CONT2
HO
T
COLD
3 4 5 8
T1001
20 19 18 17 15 16 14 13 12 11
7
6-9
EV+5V
6-9
10-12
+5V-L
10-12
22-27
EV+2.8V
22-27
1-3
EV+10.5V
1-3
28
AL-30V
28
29
F2
29
30
F1
30
CN1060
CN1070
PO
WER SUPPL
Y CB
A
A
V
CB
A
CN1051
TO D
VD MAIN
CBA UNIT CN101
20-22
P-ON+5V
15-17
P-ON+3.3V
10-12
EV+2.8V
6,7
P-ON+1.8V
25-27
EV+10.5V
E7E4ABLP
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