Power Supply Schematic Diagram - Panasonic DMR-EX77EG Service Manual

DMR-EX77EG / DMR-EX77EC / DMR-EX77EC1 / DMR-EX77EB / DMR-EX87EG / DMR-EX87EC / DMR-EX87EC1 / DMR-EX87EB

12.2. Power Supply Schematic Diagram

G
$[VWJ0795=10]
ZA1103 ZA1104
EYF52BCY EYF52BCY
or #K3GE1ZA00010 or #K3GE1ZA00010
G0B233D00001
A
F1101
N K5D202BK0005 1
or K5D202BLA013
P1101
K2AA2H000007
T2AL 250V
4
SEE THE
SERVICE MANUAL
$[VWJ0795=10]
F
ZA1105
K9ZZ00001279
ZA1106
K9ZZ00001279
ZA1107
K9ZZ00001279
E
K1129
VWJ0795=5
D
IC1150
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
C
UVLO UVLO
+ +
LATCH RELEASE/
- -
OVER VOLTAGE
PROTECTOR/
OVER HEATING VCC(START) VCC(STARTUP OFF)
/VCC(STOP) /VCC(STARTUP ON)
PROTECTOR
IDP(LIMIIT/
BURST)SENS.
B
Z/C ZERO CURRENT
1
DET./ONDEAD TIMER
CONTROL SOFT-DRIVE
CIRCUIT CIRCUIT
STANDBY
CIRCUIT
OCP THRESHOLD
COMPARATOR/
FB
RESTERT
2
BURST MODE
TIMER
OCP THRESHOLD
COMPARATOR
ON WIDTH
TIMER
GND
3
A
1 2
K1120
LB1122 C1125
J0JKB0000003 ECKWNA102MEV
K1122
NOTSPECIFIEDDC
$[VWJ0795=10]
D1140
L1120 L1121 B0EDKT000009
(S1WBA80-7062)
G0B233D00001
C1121
ECQU2A223MLC
2 1 2
P1
3 4 3
PU
R1101
$[ERDS1TJ474]
P2
(470k)[1/2W]
NC
K1123
$[VWJ0795=10]
V2
K1121
K1125
$[VWJ0795=5]
V1
LB1127
$[J0JHC0000048]
R1121 $
LB1123
R1122 ERG1SJ101E
J0JKB0000003
100[1W]
R1153
C1124
18[22]
LB1126
$[ECKWNA102MEV]
ERJ6GEY0R00V [22]
R1150 D1151
18[22] B0HAGM000006
2 4 7
ZA1150
VSC5603-A C1150
VSC5603 F2A1V6800002 35V68[JG]
IC1150
or EEUFM1V680B
ZA1151 C0DACZH00017
XYN3+J8FJ
1 3 5 9
R1151 6800[22]
R1152
10K[22] D1152
2KV C1151
MAZ4100NMF
F1B3D102A011
D1156
1000P[2KV]
MA2C165001VT
R1157 R1154
470 8200
D1157
[G][22] [G][22]
B0HADV000001
or
R1158
or
ERX2SJR22E
0.22[2W]
HOT
IC1601
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
7 9 7 6
8
VIN DRAIN
CS EXT GND
VCC
4
CONTROL LOGIC
LEVEL
SHIFT
START-UP
CNT.
CIRCUIT
COMP
- + - +
V5
UVLOcomp
+
-
VREF
VIN V5/PWON VREF/SS
1 2 3
SOURCE
/OCL
5
3 4
LB1125
J0JHC0000048
D1400
B0JANE000037
L1400
or B0JAME000033
G0A100HA0023
T1150
ETS28BF236AD
D1270
B0JBSG000048
or B0JBSG000010
ZA1270
VSC5606-A
or VSC5606
L1600
G0A100HA0023
ZA1271
1 2 3
XYN3+J8FJ
L1270
G0A100K00003
or
G0A100H00025
LB1270
VWJ0795=5
LB1124
$[J0JHC0000048]
Q1200
B3PBA0000454
B3PBA0000237
B3PBA0000402 R1209 R1208
1K[22] 2200[22]
4 1
C1202
$[22](0.1)
3 2
R1210 C1200
1K[22] 0.1[22]
COLD C A R
1 3 2
IC1200
C0DAEMZ00001
or
C0DAEYY00021
5
K1730
$[VWJ0795=10]
FB
0.8V
Q1730
+ -
$[B1DHDD000022]
D D
D D
G S
R1731
$[D1BFR0240001] L1731
$[G0A220ZA0041]
24M[36]
CC
4
VIN CS
V5 EXT
C1735
$[22](180P)
VREF GND
CC FB
R1732
$[22](51K)
IC1730
$[C0DBAZZ00132]
(AL1014)
D1731
$[B0JCPD000021]
5 6 7
52
K1731
$[VWJ0795=7.5]
R1800
470[22]
D1800
MA2J11100L
R1803
10K[22]
Q1600
B1DHED000008
(UPA1717G-E1-A)
S D
S D
S D
G D
R1601
D1BFR0240001 L1601
24M[36] G0A100K00003
VIN CS
V5 EXT
C1605
180P[22]
VREF GND
CC FB
R1602
51K[22]
IC1601
C0DBAZZ00132
(AL1014)
D1602 D1601
B0JCPD000021 B0JCPD000021
NOTE:PARTS INDICATED WITH "$" MARK ARE NOT MOUNTED.
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
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
8 9
TO P1501
MAIN P.C.B.
(MAIN NET (1/4) SECTION)
P1102
K1KB15AA0032
1 X_SW5R8V
2 X_SW5R8V
C1414
3 X_SW5R8V
$[F1J0J106A014]
4 GND
10[22]
5 GND
6 GND
7 GND
8 GND
9 X_SW12V
10 X_SW12V
C1415
11 X_SW12V
$[F1K1C106A062]
12 X_SW3V
10[36]
C1416 13 X_SW3V
$[F1J0J106A014] P_ON_H
14
10[22]
15 X_SW3R8V
C1422
$[F1J0J106A014]
10[22]
JW1101
$[VNJ04F0060VV]
X_SW5R8V
1
GND
2
GND
3
4 X_SW3R8V
DMR-EX77EG/EC/EC1/EB,
EX87EG/EC/EC1/EB
Power Schematic Diagram
10