Panasonic DMR-ES15EB Service Manual page 134

VA1110,L1120,L1121 D1140,C1143
AC INLET
F1101
P1101
250V2A
SURGE RECTIFIER
SUPPRESSOR
AND
SURGE
ABSORBER
IC1150
(SWITCHING IC)
VIN 7
2 F/B 9
5
Z/C GND VCC
1 3 4
T1150
POWER
SWITCHING
TRANSFORMER
P1 S2D
12 1
S2C
2
P2 S2B
10 3
S2A
4
V2 S1A
8 5
V1 S1B
7 6
Q1200
(FEED BACK)
4 1
3 2
2
1 3
IC1200
(ERROR VOLTAGE DET.)
HOT COLD
POWER P.C.B. MAIN P.C.B.
X SW+3.8V P1102 P1501
16,17,19
X SW+5.8V P1102 P1501
3,4,5,6
IC1505
(REG.X SW+3.3V)
3 CONT
1
IC1521
(REG.ANA+3.3V)
8
FROM
DI P ON H
TIMER
IC7501- 44
SECTION
X SW+12.4V
IC7401
(REG.PS+11.6V)
X SW+12V P1102 P1501
1
12,13,14,15
IC1501
(REG.DR+12V)
5
X SW+3.8V
RESET +5.2V
VOUT 5 X SW+3.3V
VIN GND
2
VIN VOUT 1 ANA+3.3V
GND CONT
4 5
T7501
DISPLAY HEATER
POWER SWITCHING
IP1501 IP7501 TRANSFORMER
1 2 1 2 1
VIN E VOUT 3 PS+11.6V IC3001-
H :ON GND
2 5
QR7401
( :ON)
H
VIN VOUT 3 DR+12V
H :ON GND
2 1
QR1501
( :ON)
H
QR1502
( H :ON)
DMR-ES15EB/EP/EC/EG/EBL
Power Supply Block Diagram
A
B
C
IC7505- 1
IC7501- 16
D
E
UNREG +38V
7 F
D7506
46 ,IC4009- 8 ,IC4012- 8
FROM
PWR SAVE H :ON
TIMER
IC7501- 79
SECTION
G
H
FROM
DR P ON H
TIMER
IC7501- 42
SECTION