Power Supply Schematic Diagram - Panasonic DMR-EH55EC Service Manual

DMR-EH55EC / DMR-EH55EP / DMR-EH56EG

13.2. Power Supply Schematic Diagram

ZA1103 ZA1104
EYF52BCY EYF52BCY
or
or #K3GE1ZA00010 #K3GE1ZA00010
A
F
F1101
N K5D202BK0005
250V T2AL
P1101
K2AA2H000007
SEE THE
SERVICE MANUAL
E
ZA1105
K9ZZ00001279
ZA1106
K9ZZ00001279
D
ZA1107
K9ZZ00001279
K1129
VWJ0795=5
C
IC1150
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
UVLO UVLO
+ +
LATCH RELEASE/
B
- -
OVER VOLTAGE
PROTECTOR/
OVER HEATING VCC(START) VCC(STARTUP OFF)
PROTECTOR /VCC(STOP) /VCC(STARTUP ON)
IDP(LIMIIT/
BURST)SENS.
Z/C ZERO CURRENT
1
DET./ONDEAD TIMER
CONTROL SOFT-DRIVE
CIRCUIT CIRCUIT
STANDBY
CIRCUIT
OCP THRESHOLD
A COMPARATOR/
FB
RESTERT
2 BURST MODE
TIMER
OCP THRESHOLD
COMPARATOR
ON WIDTH
TIMER
GND
3
1 2
LB1122
VWJ0795=5
D1140
B0EDKT000009
(S1WBA80-7062)
L1120
G0B233D00001 K1122
C1121
VWJ0795=10
ECQU2A223MLC
1 2
4 3
K1123
VWJ0795=10
LB1123
VWJ0795=5
R1153
18[22]
LB1126
ERJ6GEY0R00V [22]
R1150 D1151
18[22] B0HAGM000006
2 4 7
ZA1150 C1150
VSC5603 F2A1V6800002 35V68[JG]
IC1150
or EEUFM1V680B
ZA1151 C0DACZH00017
XYN3+J8FJ
1 3 5 9
R1151 6800[22]
R1152
10K[22]
C1151
F1B3D102A011
D1156
1000P[2KV]
MA2C165001VT
R1157
510
D1157
[G][22]
B0HADV000001
R1158
ERX2SJR22E
0.22[2W]
IC1601,1701
7 9
VIN DRAIN
SWITCHING IC
VCC
4
IC-DETAIL BLOCK DIAGRAM
START-UP
8 7 6
CIRCUIT
CS EXT GND
0.8V
LEVEL CONTROL LOGIC
+
SHIFT
CNT.
COMP
- - + +
V5
UVLOcomp
+
-
VREF
VIN V5/PWON VREF/SS
1 2 3
SOURCE IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
/OCL
5 WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
3 4
C1125
ECKWNA102MEV
T1150
ETS28BF1W6AD
P1
D1270
NC
B0JBSG000010
PU
ZA1270
VSC5614
P2
ZA1271
1 2 3
XYN3+J8FJ
NC
V2
LB1124
VWJ0795=5
V1
NC
Q1200
#B3PBA0000402 R1209 R1208
1K[22] 2200[22]
4 1
C1202
$[22](0.1)
3 2
R1210 C1200
1K[22] 0.1[22]
C A R
D1152
1 3 2
MAZ4100NMF
IC1200
#C0DAEMB00003
R1154 or C0DAEJC00006
9100
[G][22]
HOT COLD
Q1700
B1DHDD000022
D D
D D
G S
R1701
D1BFR0240001 L1701
5 24M[36] G0A220ZA0041
FB
-
C1705
180P[18]
R1702
51K[18]
IC1701
C0DBAZZ00132
(AL1014)
CC
4
HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
5 6
50
L1270
G0A100H00025
R1800
470[22]
D1800
MA2J11100L
R1803
10K[22]
Q1600
B1DHED000008
(UPA1717G-E1-A)
R1601
2
D1BFR0240001 L1601
IP1601
24M[36] G0A150ZA0041
K5H3022A0013
P
1
C1605
180P[22]
R1602
51K[22]
IC1601
C0DBAZZ00132
(AL1014)
DMR-EH55EC/EP,EH56EG
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
Power Supply Schematic Diagram
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
7 8 9
TO P1501
MAIN P.C.B.
(MAIN NET(1/4) SECTION)
P1102
K1KB23A00004
1 NC
2 X_SW5R8VT
3 X_SW5R8V
4 X_SW5R8V
5 X_SW5R8V
6 X_SW5R8V
7 GND
8 GND
9 GND
10 GND
11 GND
12 X_SW12V
13 X_SW12V
14 X_SW12V
15 X_SW12V
16 X_SW3R8V
17 X_SW3R8V
18 P_ON_H
19 D3R8V
20 P_SAVE_L
21 FANLOCK
FAN_GND
22
FANOUT
23
TO FAN MOTOR
P1103
K1KA03AA0192
1 FANOUT
2 FAN_GND
FANLOCK
3
10