FUNAI DPVR-2600, Service Manual

Page: 23 / 99

Power Supply Block Diagram
H9300BLP 1-9-9 1-9-10
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal. CAUTION !
Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F001) 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.
AC1001
F1001
T1.6AL/250V
LINE
FILTER
L1003 D001 - D004
BRIDGE
RECTIFIER
2
4
Q1001
Q1003
Q1008
7
8
1
2 3
4
IC1001
ERROR
VOLTAGE DET
HOT
T001
POWER SUPPLY CBA MAIN CBA
IC1002
(SHUNT REGULATOR)
REG
HOT CIRCUIT. BE CAREFUL.
20
19
18
17
16
15
14
13
12
11
1 P-ON+1.8V
2 P-ON+1.8V
3 EV+2.5V
4 EV+2.5V
16 EV+3.3V
17 P-ON+3.3V
18 P-ON+3.3V
19 P-ON+3.3V
14 EV+9V
15 EV+9V
5 P-ON+5V
6 P-ON+5V
IC1041
+3.3V
REG.
CN1001
DVD P-ON+3.3V
DVD P-ON+5V
DVD P-ON+12V
C-POW-SW
P-ON+5V
-FL
P-ON(H)
P-DOWN-L
F1
F2
EV+5V
P-ON+44V
AL-30V
AL+12V
AL+12V
TIMER+5V
AL+9V
AL+5V
AL+15V/+12V
Q053,
Q054
SW+44V
Q055
SW+9V
Q056
SW+5V
Q051,
Q052
SW+15.5V
Q057
20 PWRCON
IC1052
+1.8V
REG.
IC1053
SHUNT
REG.
Q1054
Q1055
Q1057
Q1053
Q1051,
Q1052
SW+12V
CN002 CN051 CL051
1 AL+44V
1
2 AL+12V 2
6 P-DOWN 6
4 AL+5V(VCR) 4
JUNCTION
-B CBA
CN001 CN050 CL050A
CL050B
1 AL+5V(DVD)
3 AL-30V
6
AL+15.5V(VCR)
7 AL+15.5V(DVD)
JUNCTION
-A CBA
9 AL+9V
11 AL+3.3V
13
F2
14
1
3
6
7
9
11
13
14
F1
1
3
6
7
9
11
13
14
1
2
6
4
<TO PIN 67 OF IC6001>
<TO PIN 86 OF IC6001>
<TO PIN 66 OF IC6001>