Integra DBS-6,9, Service Manual

Page: 22 / 59

1-8-6
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.
NOTE: The voltage for parts in hot circuit is measured using hot GND as a common terminal.
"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 m
ê
me type.
Risk of fire
-replace fuse as marked.
"This symbol means fast operating fuse."
A V
F
E5H55BLP
IC1001
(SWITCHING CONTROL
)
HOT
COLD
Q2600
Q2604
Q2606
Q2603
J2188
Q2607
Q2602
Q2601
Q1011
D1009
Q2605
Q1003
VDD
POWER SUPPLY CBA
2 4 7 6
T1001
11 12 15 13 10
9
16 14
A V
AC1002
F1001
2A/250V
LINE FILTER
L1001
F
3 4
IC1003
ERROR VOLTAGE DET
1 2
P-ON+14.5V(2)
SHUNT
REG.
IC2601 IC2600
D1001 - D1004
BRIDGE RECTIFIER
SWITCHING CONTROL
5
2
2
AL+14.5V(1)
15-17
AL+14.5V(2)
3-5
AL+5V
1
AL+2.5V
20
F1
22
F2
23
FL
6
EV+3.3V
18
2
15-17
3-5
1
20 22 23
6
18
EV+5V
CN1001
7-10
AL+5V
1
EV+3.3V
CN1002
CN2600
F
AN-VCC
1 2
F
AN-LOCK
CN2004
+3.3V
REG.
1-3
P-ON+10.5V
7,8
P-ON+5V(1)
CN2601
14,15
P-ON+3.3V
11
P-ON+1.2V
SW+14.5V
EV+5V EV+3.3V A
UDIO+3.3V
T
O
FE MAIN
CBA (CN001)
T
O
BE MAIN
CBA UNIT (CN7401)
P-ON+3.3V F1 F2 FL
T
O
SYSTEM
CONTR
OL
BLOCK DIA
GRAM
PWSW3 PWSW2
FL-SW
P-ON+5V(2)
SW+10.5V
SW+5V
SW+5V
+3.3V REG. +1.2V REG.
6
1 3
HOT CIRCUIT. BE CAREFUL.
FAN
AV CBA
Q2014
Q2012
Q2013
F
AN-CONT
FA
N
CONTR
OL
Q2000,Q2001
(LOW SPEED)
AC CORD
Q2101
FL REG.
Q2005
14.5V REG.