Panasonic SA-AKX660PN Service Manual page 37

SMPS P.C.B.
SYS5V CN1851 CN2103 SYS5V
1
9 9
TOPOWER SUPPLY
BLOCK (1/3)
+38.5V CN1851 CN2103 +40V
7
5,6,7 5,6,7
TEMP DET CN1851 CN2103 TEMP DET
2
1 1
PCONT CN1851 CN2103 PCONT
4
12 12
AM BP CN1851 CN2103 SMPS BP
5
13 13
POWER MODE CN1851 POWER MODE
CN2103
6
11 11
SYNC CN1851 CN2103 SYNC
3
8 8
SMPS ID CN1851 CN2103 SMPS ID
10 10
MAIN P.C.B.
Q2117,QR2102
+5V STANDBY
CONTROL
PW STDBY 5V
CIRCUIT
IC1002
VOLTAGE
DETECTOR
IC2108
+3.3V LDO
2 VIN VOUT 4
PW STDBY 3R3V
3 VIN VOUT 2
IC2107
+1.5V LDO
1 CN
PW 1R5V
VO 3
4 VIN
IC2103
+15V DC-DC
CONVERTER
Q2113
+12V VOLTAGE
2 VIN PH 10
REGULATOR
3 EN BOOT 1
Q2114
D2104
SWITCH 5 RT/CLK
VSENSE 7
AM BP
DC DET PWR
IC2101
+5.6V DC-DC
CONVERTER
Q2116 Q2119
D2111
DC DETECT
SWITCH 5 RT/CLK PH 10
2 VIN BOOT 1
3 EN VSENSE 7
PCONT
IC2104
SMPS BP
+3.3V LDO
POWER MODE
FROM/TO
SYSTEM CONTROL
3 VIN VOUT 2
SYNC
SMPS ID
PCONT2 FROM SYSTEM CONTROL
NRST
TO SYSTEM CONTROL
D2113 D1001
D2112
QR2103 Q1002
OVER
VOLTAGE SWITCH
PROTECTION
FROM/TO
D2109
SYSTEM CONTROL
D2105 D2100
37
PW STDBY 5V
+5V
PW STDBY 3R3V
PW STDBY 3R3V
+3.3V
PW 1R5V
+1.5V
PW +36V
+36V
PDET +36V TO
PDET +36V
SYSTEM CONTROL
PW MUX +12V
+12V
+15V DC-DC
+15V
+15V
2
DC DET PWR
3
PW MUX +12V
4
PW CD 3R3V
+3.3V
PW CD 3R3V
5
PW CD +5R6V
+5.6V
PW CD +5R6V
6
SA-AKX660PN/PS,SA-AKX880PN/PS POWER SUPPLY (2/3) BLOCK DIAGRAM
TO POWER SUPPLYL
BLOCK (3/3)