Smps Block Diagram - Panasonic SA-VK460GS Service Manual

SA-VK460GC / SA-VK460GS / SA-VK460GCS / SA-VK460GCT

16.6. SMPS Block Diagram

+VCC
TO
DIGITAL AMP
-VCC
Q5111
+15V +15V REGULATOR
Q5707
+9V +9V REGULATOR
Q5708, Q5709
-9V -9V REGULATOR
Q5115
SW5V +5V REGULATOR
D5129
CD8V
D2555, D2556, D2557
D+5V
D+2.7V
Q2552
DVD POWER
ADAC8V SUPPLY
SWITCH
DC_DET
VREF
FROM
SYSTEM CONTROL DVD_PCONT
DVREF
TO
SYSTEM
CONTROL
Q5101
+VCC
CURRENT CONTROL
Q5110
26V REGULATOR
Q5102
-VCC
CURRENT CONTROL
Q5108
SWITCH
Q5109
VOLTAGE
REGULATOR
D5123, D5124
Q5112
D5127, D5128
Q5113, Q5114
+10V REGULATOR
IC2561
C0DAAMH00012
SWITCHING REGULATOR
M2
2 5
1
Q2576 Q2551
DC DETECT DC DETECT
DC DETECT
SWITCH SWITCH
SWITCH
Q6803
VREF
CONTROL
SWITCH
Q6805
CONTROL
SWITCH
Q6804
DVREF
CONTROL
SWITCH
FROM
CN2807 CN6807
SYSTEM
29 2
CONTROL
CN2807 CN6807 H6555 CN5951 SYS6V
SYS6V
30 1 6,5 4,5
TO
CN2807 CN6807 H6555 CN5951 SYNC
SYNC
SMPS
28 3 7
Q5951
D5959
H6555 CN5951 -VP VOLTAGE
8 2
REGULATOR
D5950, D5951
D5952, D5953
H5104 CN5950 +VCC
1, 2
H5104 CN5950 ACIN
7
CN5950 -VCC
H5104
3, 4
D5970, D5971
D5972, D5973
H5104 CN5950
SUB+B
8
D5974, D5975
D5976, D5977
FP5950
CN5955
1
H6555 CN5951 FL1
TO
7 3
SYSTEM
H6555 CN5951
CONTROL FL2
9 1
Q5953
RELAY SWITCH
H6555 CN5951
4 6 CONTROL
FOR GS ONLY
D5963
FOR GCS/GCT/GS ONLY
D5961,
Q5954
Q5950
D5962, D5964
CURRENT
SYS6V
LIMITING
VOLTAGE
REGULATOR SWITCH
Q5952
AC DETECT
SWITCH
76
T5950
MAIN TRANSFORMER
15
9
11
FOR GCS/GCT/GS ONLY
F2
4
5
12
14
2
16
7
17
RL5950
RELAY
S5950
VOLTAGE
SELECTOR
T5951
SUB
TRANSFORMER
FOR GCS/GCT/GS ONLY
F1
SUB
TRANSFORMER
Z5950
L5950
ELF15N035AN
SA-VK460GC/GCS/GCT/GS SMPS BLOCK DIAGRAM
AC INLET