Smps Circuit - Panasonic SA-VK960GCP Service Manual

SA-VK960GCP
4.7.

SMPS Circuit

1 2 3
SCHEMATIC DIAGRAM - 14
A
K K
SMPS CIRCUIT
: +B SIGNAL LINE : +B SIGNAL LINE
DC_DET
B
QR5500
B1GBCFJN0033 W5806
0
DC DETECT
3
1 2
70mA
C
CN5902
+15V
+15V 1
+7V
C5013
+7V 2
0.1
GND 3
70mA
B
4
TO -7V
SYS6V 5
MAIN CIRCUIT
SYS_6V_GND 6
(CNP2710)
D
M+18V
IN SCHEMATIC
M+18V 7
C5079
DIAGRAM - 8
+18V 8
0.1
C5089
GND 9
0.1
SYNC
SYNC 10
AMP_BP
AMP_BP
11
VCC_CTRL 12
H5903
12
PCONT
DC_DET
DC_DET 11
+30V 10
E
+30V
J
+30V 9
TO
+30V 8
D-AMP CIRCUIT
GND 7
(CN5502)
IN SCHEMATIC GND 6
GND
DIAGRAM - 12 GND 5
GND 4
-30V
3
-30V
-30V 2
-30V 1
W1B*
F
B
TO
MAIN CIRCUIT
(W1A)
IN SCHEMATIC
DIAGRAM - 8
W1C*
C
CNP5904
TO
PANEL CIRCUIT GND 4
(H6703)
-VP 3
IN SCHEMATIC
G FL2 2
DIAGRAM - 9
1
FL1
H
P_CONT
1 2 3
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4 5 6
: -B SIGNAL LINE : -B SIGNAL LINE
Q5502
B1BACG000023 R5509 270
REGULATOR
R5510
Q5503
270
C5507 B1BACG000023
0.01
REGULATOR
R5512
3.9K
R5511 47
D5503
B0BC7R500001
Q5971
B1ADCE000012
POWER CONTROL
R5968
R5515
6.8K
0
R5517
270
C5977
R5516
Q5504
10V33
270
B1BCCG000002
C5056
REGULATOR
0.1
QR5502
B1ABCF000176
R5971
47 DC DETECT
R5972
47
R5973
47
QR5503
R5974
47 B1ABCF000176
DC DETECT
R5975
47
AMP_BP
Q5925
2SC3940ARA
SWITCHING
C0DABFC00002
1
2
E5702
3
C5511
0.01
W5649
0
FL2
FL1
4 5 6
7 8 9
+30V
R5519 R5520
47 1K C5510
0.01
D5504
B0BC01600013
GND
-30V
+18V
+30V
+18V
M+18V
C5920
0.1 C5914
35V1000
C
1
3
A
2
R
R5910
IC5901
0.01
SHUNT REGULATOR
D5912
B0BC02900004
R5961
150
R5962 B1BACD000018
4.7K
-VP
Q5928
C5930
2SB0621AHA 16V100
REGULATOR
FL1
7 8 9
36
10 11 12
R5753
D5750
10K
B0ACCK000005
Q5750 Q5751
B1ADCF000001 B1ABCF000011
B1ABCF000011
TEMP DETECT
TEMP DETECT
INVERTER
W5650
C5901
1000P
D5905
B0HBSM000043
1 2 3
D5901
T5701
B0HFRJ000012
ETS42BJ1H6AC
MAIN TRANSFORMER
+30
8
9
C5902
1000P
10 7
GND
6
11
-30
5
12
D5902
B0EAMM000057
M+18
13 4
D5903
B0EAMM000057
V+18
14
C5903
V1
1000P
15 2
V2
16 1
4.6
3 2 1
PC5901
B3PBA0000402
FP5901 FEED BACK
1A
D5904
B0HBSM000043
1 4
R5707
3.3K
C5913 1000P
2 3
W5901
0
C5714
1000P
Q5704
R5969 D5713
REGULATOR 0 B0EAMM000057
R5714
68
C5716
C5715
10V47 10V220
D5714
B0BC4R0A0006
1/2
10 11 12
13 14
K01
K02
DC_DET
K03
Q5752
0
TH5750
D4CC11040013
TO SMPS
SECTION (2/2)
K05
K04
K06
K07
K08
K09
K11
SYS6V
K12
K13
2/2
SA-VK960GCP SMPS CIRCUIT
13 14