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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 (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.
HOT CIRCUIT. BE CAREFUL.
F1001
L1003
D1001 - D1004
AC1001
T2.5A H 250V
LINE
BRIDGE
FILTER
RECTIFIER
Q1001
Q1003
D1051-D1054
RECTIFIER
IC1051
(SWITCHING)
2
FB
D
5
VDD
S S
CL
1
7
8
4
HOT
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
T1001
3
18
17
5
16
Q1100
SW+12V
15
Q1101
14
13
7
12
Q1104
11
8
10
IC1001
Q1119
ERROR
SW+5V
VOLTAGE DET
IC1190
4
1
SHUNT
REG
IC1101
3
2
ERROR
VOLTAGE DET
RL1001
T1051
9
1
Q1051
3
8
5
6
IC1052
ERROR
VOLTAGE DET
4
1
3
2
REG
IC1151
COLD
ERROR
VOLTAGE DET
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Q1106
SW+5V
Q1114
CN6005
1
REG.
Q1112
SW+5V
IC1103
+1.8V REG.
IC1104
+3.3V REG.
Q1109
Q1107
BOARD POWER SUPPLY
1-13-9
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
NOTE:
Either IC3607 or IC3608 is used for BOARD FUNCTION.
CL1001
22 AL-30V
1
AL+44V
2,3 AL+16.3V
6,7 AL+12V
12 P-ON+10V
13,14 DVD-P-ON+5V
15,16 AL+5V
26 SYS+5V
TO SUB
POWER SUPPLY
24 F1
BLOCK DIAGRAM
23 F2
(CN1503)
10 1V2CONT
34 LATCH-UP
29 POW-SW
27 REG-CONT
30,31 AL+2.8V
32 P-ON+3.3V
11 MAIN-ON
FAN
CN1002
1 FAN+12V
2 GND
BOARD
TO DIGITAL SIGNAL
V-BUS
PROCESS BLOCK
USB
DIAGRAM
*IC3607
*IC3608
HIGH
CN3605
CN3604
CN6001
CN6002
SIDE
+5V
1
SW
4
USB+5V
4
F6001
1A
BOARD FUNCTION
CN1001
25-27 P-ON+10.5V
20-22 P-ON+5V
TO
10-12 AL+2.8V
DVD/HDD
MAIN BOARD
6,7 P-ON+1.8V
(CN101)
15-17 P-ON+3.3V
1
1V2CONT
USB
1 USB+5V
JACK
E9TK3BLP
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