Power - Panasonic SA-VK960GCP Service Manual

SA-VK960GCP
3.8.

Power

IC8111
C0CBCBD00018
+3.3V DC-DC
CONVERTER
D+3.3V 1 VO VIN 8
CONT
5
QR8111
POWER CONTROL
IC8151
C0DBEHG00006
+1.2V REGULATOR
NSW1.2V 4 OUT VCC 2
-VP
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VREF
DVREF
CNP2810 CN2810
PCONT
5
DAMP +5V
Q2810, DZ2810
D2810
SW+5V REGULATOR
DW2810
Q6702
DC DETECT
+ 7V
M+9V
D2901,
D2904
M+12V
DW2811
TO
SYSTEM CONTROL
DC DET
Q2711
DW2710
DC DETECT
FP8101 CN2036 D+5V
17, 19, 20, 22
DVD PCONT
Q2710, DZ2710
+ 2.7V
FP8101 CN2036 +2.7V
REGULATOR
9, 11
Q2700
POWER
SUPPLY
Q2702
D2700
POWER PCONT
SWITCH
SUPPLY
Q2701
PCONT
SWITCH
CNP2710 CN5902 SYS6V
SYS6V
2
CN5502 H5903
PCONT
12
TO CNP2710 CN5902
SYNC
SYSTEM CONTROL
10
QR5500
DCDET
DC DETECT
Q5502 D5503
+ 7V
CNP2710 CN5902
REGULATOR
2
Q5503
+ 15V
CNP2710 CN5902
REGULATOR
+ 15V
1
D5501 D550X
IC2810
C0CAAKG00013
REGULATOR
Q5750,Q5751,Q5752
3 OUT VCC 1 TRANSFORMER
TEMP. DETECT
IC2720
C0DAAMH00012
SWITCHING
REGULATOR
H6703 CNP5904 FL2
Q5704
2
OUT
2 VCC 1
STBY CNP5904 FL1
H6703
REGULATOR
5
1
+18V +18V
CNP2710 CN5902
8
QR5502, QR5503
TO SYSTEM
CN5502 H5903 DCDET
DC DETECT
CONTROL
12
M+18V
CNP2710 CN5902
M+ 18V
7
Q5971,Q5504
-7V
CNP2710 CN5902
-7V
REGULATOR
4
CN5502 H5903 + 30V
+ 30V
8, 9, 10
CN5502 H5903 - 30V
- 30V
1, 2, 3
IC5901
C0DABFC00002
Q5928
SHUNT
REGULATOR
REGULATOR
FEED BACK CIRCUIT
Q5925
FROM CNP2710 CN5902 AMBP
SWITCHING
SYSTEM CONTROL
11
22
IC5801
C0DABYY00002
T5801
SWITCHING
SUB
REGULATOR
TRANSFORMER
D
7
3 8 D
5 START
2
D5803
7 6
2 VCC
Q5802 PC5801
CURRENT
4 FB
FEED BACK
LIMITING
SWITCH
IC5790
C0ABBA000168
OP AMP
PC5703
Q5705
Q5970
FEED BACK
7
PC5805
Q5804 TH5970
SYNC
SWITCH
TH5750
T5701
MAIN
TRANSFORMER
FP5901
16
D5901
D5701
15 L5701
4
TH5701
13
D5901
5
D5902 IC5701
Q5702
14
C5HABZZ00125
D5903
SWITCHING SWITCHING
REGULATOR
Q5701
CURRENT
1 LIMITING
D5905
4 VCC
SWITCH
9
7
D5904
12 8 3 DRAIN
PC5901
2
3
FEED BACK
1 1
FB
SA-VK960GCP POWER BLOCK DIAGRAM
+
5
_
6
JK5970
VOLTAGE
ADJ
F1 P5001
L5001 AC INLET
DZ5001