Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic DVD DMR-EH50 DSD0503040C2 doc b_ps2
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MAIN P.C.B. DIGITAL P.C.B.
IC9001
(REG.D+1.2V)
P7402 P9001
A D+1.5V 8 VIN
82,84,86,88
VOUT 1 D+1.2V IC3201- 208 ~ 234
POWER ON H
B 5 CONT
GND
C X SW+3.8V 3
IC1501
(REG.ANA+5V)
P7402 P9001
8 VIN VOUT 1 ANA+5V ANA+5V IC3206- 6 / 18 / 26
48,52
GND CONT
3 5
IC4011 IC4409
(REG.AU+5V) (REG.DAC+3.3V)
P7402 P9001
4 VIN VOUT 5 AU+5V 1 VIN
17
GND H :ON VOUT 6 DAC+3.3V IC4406- 7 (VDD)
SYS PFAIL H
2 3 IC1504 IC7506 IC7501- 81 3 H :ON
(REG.D+3.3V) (RESET) GND GND
D 2 5
2 VCONT
H :ON QR7506
VOUT 3 2 VDD OUT 1 (INV.SW.)
1 VIN GND AU+5V IC4404- 11 ,IC4405- 8 ,IC4406- 6
IC1511 IC7505 5
(REG.X SW+5.2V) (RESET)
P7402 P9001 IC4408,IC3201,IC3206,IC3207
5 CONT D+3.3V D+3.3V IC3208,IC6001,IC6004,P3201- 2
P FAIL L 68,70,72,74 (D+3.3V)
VOUT 1 X SW+5.2V 2 VDD OUT 1 IC7501- 80 RESET +5.2V IC7505- 1 IC6008
8 VIN GND IC1505 (REG.D+2.5V)
3 (REG.X SW+3.3V)
D7509
1 VIN VOUT 3 D+2.5V IC3201,IC6006,IC6007
2 1 IC7501- 34 / 69 / 106 / 108 / 112 5 CONT
VOUT 1 X SW+3.3V IC7501- 15 2 VB GND 5
X SW+5.8V
3 4 IC7503- 8 ,IC7504- 8 / 18 8 VIN GND
IC7502 3 IC6005
(RESET) (RESET)
IC7402 RESET L
(REG.BOOSTER+5V) 5 VDD OUT 4 IC7501- 11 IC1502 5 VDD VOUT 4 X RESET OUT
(REG.ANA+3.3V)
1 VIN
P7402 P9001 IC3201,IC3202,IC3206
VOUT 6 BOOSTER+5V IC3001- 42 / 84 / 94 8 VIN VOUT 1 ANA+3.3V ANA+3.3V (ANA+3.3V)
42
3 H :ON GND CONT
GND GND 3 5
2 5
DI P ON H FROM TU7801
IC7501- 51
TIMER
SECTION
TUNER P.C.B. U/V TUNER
PP7401 PS7801
IC7403 17
1 BOOSTER+B
(REG.PS+5V)
EH50EB
PP7401 PS7801
8 VIN VOUT 1 PS+5V 4 5V(RFC)
13 EH50EG/EP, EH50EB
GND CONT IC3001- 6 / 8 / 25 / 40
EH52EG
3 5
K7810
T7501 PP7401 PS7801
DISPLAY HEATER 7 5V(TUNER)
10
POWER SWITCHING
IP7501 TRANSFORMER
PP7401 PS7801
X SW+12.4V 1 2 1 7 UNREG +38V 16 BTL+30V
3
D7506
IC7507- 8
17 5V(VIF)
IC7401
(REG.PS+11.6V)
1 VIN VOUT 3 PS+11.6V IC3001- 46 ,IC4009- 8 ,IC4012- 8
H :ON GND
2 5
PWR SAVE :ON H FROM NICAM DECODER P.C.B.
TIMER
IC7501- 78 SECTION
IC7301- 28
IC7301- 3 / 6 / 35
IC1510 QR7401 IC7302
(REG.+5V) ( H :ON)
(RESET)
PK7701 PK7301
E 1 VIN VOUT 3 JC REG.+5V 1 VDD OUT 3 IC7301- 26
7
GND H :ON
5 2
JC P ON H FROM
TIMER
IC7501- 50 SECTION
DMR-EH50EB/EG/EP,EH52EG DMR-EH50EB/EG/EP,EH52EG
Power Supply Block Diagram Power Supply Block Diagram
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