7-6
Power Supply Block Diagram
P7100BLP
4A/125V
F601
4A/125V
LINE
FIL
TER
L601
AC
6
0
1
A
C
CORD
DEGA
USSING
COIL
DG691
CN691
PS691
BRIDGE
RECTIFIER
D605 - D608
HO
T
COLD
T601
7
5
3
2
4
3
IC601
ERR
OR
V
O
LT
A
G
E DET
Q601
Q602
LIMITER
SWITCHING
Q652
VR661
+B ADJ
MAIN CB
A
Q674
P-ON-H
HOT CIRCUIT. BE CAREFUL.
1
2
FEED
BA
CK
AL+30V
DEF +B
AL+9V
P-ON+5V
P-ON+3.3V
9
10
12
11
16
15
13
AU
D
IO
+
B
P-ON+5V
P-ON+5V
+5.7V
-CTRL
IC903
+1.8V REG.
MCU+5.7V
-CTRL
Q112
Q113
Q672
+9V REG.
RESET
+B
+B
TP601
Q321
Q111
Q681
SW+8V
Q322
SW+5V
SWITCHING
RESET
Q673
SWITCHING
SW+10V
SW+5V
+3.3V REG.
14
CN102
DTV
-ON+3.3V
44
CN1002
DTV
-ON+2.5V
55
DTV
-ON+1.8V
66
DTV
-ON+3.3V
DTV
-ON+1.8V
DTV
-ON+2.5V
CN101
DTV
-ON+5V
33
CN1001
DTV
-ON+5V
DTV MODULE
CB
A UNIT
IC905
SHUNT
REG.
Q903
SW+2.5V
IC911
SHUNT
REG.
Q910
SW+3.3V
Q901
SW+7.5V
Q904
SW+5V
Q902
SWITCHING
DTV
-ON-H
P-ON+8V
+8.7V
-CTRL
Q682
SW+5V
TO
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
TO
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
TO
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
GND
J095
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) 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.
Summary of Contents for CB130DR8
Page 1: ...SERVICE MANUAL 13 DIGITAL ANALOG COLOR TELEVISION CR130DR8 ...
Page 33: ...8 3 Main 1 4 Schematic Diagram P7100SCM1 ...
Page 34: ...8 4 P7100SCM2 Main 2 4 Schematic Diagram ...
Page 35: ...8 5 Main 3 4 CRT Schematic Diagram P7100SCM3 ...
Page 37: ...8 7 DTV Module 1 2 Schematic Diagram P7100SCD1 ...