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Power Supply Block Diagram
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F1601) 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.
HOT CIRCUIT. BE CAREFUL.
4A 125V
W1601
AC CORD
F1601
L1601
D1603 - D1606
4A/125V
LINE
FILTER
CN1601
PS1602
DG601
DEGAUSSING
COIL
Q1601
SWITCHING
Q1602
LIMITER
CAUTION:
4A 125V
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A, 125V.
HOT
COLD
T1601
BRIDGE
8
RECTIFIER
6
5
3
2
4
1
IC1601
ERROR
VOLTAGE DET
3
2
1-9-9
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME TYPE 4 A, 125V FUSE.
Q1606
SWITCHING
Q1607
16
Q1614
+5V
15
SWITCHING
Q1616
+5V
14
SWITCHING
12
IC1602
+1.5V
11
REGULATOR
Q1615
+3.3V
10
SWITCHING
IC1603
9
SHUNT
REGULATOR
13
Q1612
VR1601
Q1604
+B ADJ
FEED
BACK
Q1605
MAIN CBA
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Q1303
Q1304
+5V
+9V
SWITCHING
SWITCHING
Q1613
+8V
SWITCHING
Q1301
Q1610
+5V
SWITCHING
Q1619
+3.3V
SWITCHING
IC1604
SHUNT
REGULATOR
Q1608
CN001
+5V
1
EV+1.5V
SWITCHING
2
EV+1.5V
3
EV+3.3V
4
EV+3.3V
7
DVD-ON+5V
8
AL+9V
9
DVD-ON+3.3V
11
PWRCON
TO SYSTEM
P-DOWN
CONTROL BLOCK
P-ON-H
(FROM PIN78 OF IC1201)
DVD-MAIN-POWER
(FROM PIN77 OF IC1201)
1-9-10
+B
DEF+B
AL+33V
BACK-UP
AL+8.7V
P-ON+5V
+5V-CTRL2
(FROM PIN18 OF IC1201)
P-ON+5V(1)
P-ON+5V(2)
+5V-CTRL
(FROM PIN28 OF IC1201)
P-ON+12V
P-ON+8V
P-ON+5V
+8V-CTRL
(FROM PIN40 OF IC1201)
AUDIO+5V
CN401
1
EV+1.5V
2
3
EV+3.3V
4
7
DVD-ON+5V
8
AL+9V
9
DVD-ON+3.3V
11
PWRCON
FROM DVD SYSTEM
CONTROL/SERVO
BLOCK
(DVD SECTION)
DVD MAIN CBA UNIT
TD709BLP
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