1-7-5
E6502BLP
Power Supply Block Diagram
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 (F2101) 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.
AC2101 AC CORD
F2101 1A 250V
LINE
FILTER
L2101
D2101-D2104
Q2103
Q2102
3
5
8
IC2101
ERROR
VOLTAGE DET
T2001
11
12
13
14
16
15
17
18
19
20
SW
7
BRIDGE
RECTIFIER
HO
T
A
V
CB
A
A V
F
HOT CIRCUIT. BE CAREFUL.
D2201
RECTIFIER
D2212
RECTIFIER
D2204
RECTIFIER
D2206
RECTIFIER
D2207,D2209
RECTIFIER
D2214
Q2205
Q2204
Q4501
Q2207
EV+30V
EV+5V
P-ON+10V
P-ON +5V
PWSW
POW-SW
-REPLACE FUSE AS MARKED.
"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 MÊME TYPE.
RISK OF FIRE
"This symbol means fast operating fuse."
A V
F
Q2101
SW
CTL
3
4
1
2
SW
CTL
SW
RECTIFIER
SW+12V
SW+10V
D2203
RECTIFIER
1
FAN+10.5V
2
GND
CN2203
CN2202
T
O
D
VD FE
MAIN CBA
UNIT CN5801
CN2204
T
O
FL CBA
CN2301
Q2203
SW+5V
FAN
1
EV+5V
2
-FL
3
F1
4
F 2
1
P-ON+10V
2
GND
3
GND
4
+5V
REG
IC4503
1
2
4
REG
IC4502
1
2
4
CN4502
T
O
D
VD BE
MAIN CBA
UNIT CN6
1-4
VI+2.5V
6-8
P-ON+2.5V
10-12
P-ON+3.3V
15
P-ON+5V
REG-CONT
TO
SYSTEM CONTR
OL
BLOCK DIA
GRAM
