1-9-5
Power Supply Block Diagram
T8100BLP
F1601
4A/125V
LINE
FIL
TER
L1601
W1601
A
C
CORD
DEGA
USSING
COIL
DG601
CN1601
PS1601
BRIDGE
RECTIFIER
D1603 - D1606
HO
T
COLD
T1601
6
4
2
1
7
8
9
10
12
4
3
IC1601
ERR
OR
V
O
LT
A
G
E DET
Q1601
Q1602
LIMITER
SWITCHING
Q1604
Q1605
Q1609
MAIN CB
A
11
HOT CIRCUIT. BE CAREFUL.
1
2
FEED
BA
CK
P-ON+12V
P-ON+8V
P-ON+5V(2)
+5V
SWITCHING
Q1616
SWITCHING
Q1606
Q1607
Q1612
+1.2V
REGULA
T
O
R
IC1602
D
VD-
MAIN-PO
WER
P-ON-H
AL+12V
P-DO
WN
CN2
CN2A
TO
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
T
O
CR
T/H.V
.
BLOCK DIA
GRAM
EV+1.2V
D
V
D-ON+3.3V
EV+1.2V
11
EV+1.2V
22
EV+3.3V
44
D
V
D-ON+5V
55
D
V
D-ON+3.3V
11
PWRCON
77
EV+3.3V
PWRCON
+B
DEF+B
+9V
SWITCHING
Q1304
AL+9V
+5V
SWITCHING
Q1303
AL+5V
AL+33V
VR1601
+B ADJ
+5V
SWITCHING
Q1614
Q1610
P-ON+5V(1)
+8V
SWITCHING
Q1613
+3.3V
SWITCHING
Q1615
IC1603
SHUNT
REGULA
T
O
R
+3.3V
SWITCHING
Q1619
IC1604
SHUNT
REGULA
T
O
R
+5V
SWITCHING
Q1608
+5V
SWITCHING
Q1301
P-ON+5V
D
VD MAIN CB
A UNIT
+5.7V
-REG
MCV+5.7V
-REG
+8.7V
-REG
4A 125V
SWITCHING
CONTR
OL
SWITCHING
SWITCHING
SWITCHING
SWITCHING
EV+3.3V
D
V
D-ON+3.3V
EV+9V
EV+1.2V
33
EV+3.3V
55
A
UDIO+5V
66
A
U
DIO+5V
D
V
D-ON+5V
CN1
CN1A
T
O
D
VD SYSTEM
CONTR
OL / SER
V
O
BLOCK DIA
GRAM
<D
VD SECTION>
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.
For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
CAUTION ! :
ATTENTION :
Utiliser un fusible de rechange de m
ê
me type de 4A, 125V.
4A 125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
