Panasonic CF-73SCUTSBM Service Manual - Page 92

VA15, Odem Eratta

Page 92 highlights

Main 33 VA15, VC15, VC18 VA3 1 VC15=1.5V-75mV IC605 LTC1772CS6#TR 10u 2125 C691 220p 10K 1 ITH/RUN PGATE 6 VA15 2 C533 R564 47m SOT6 Pch-MOSFET L613 A915AY-4R7M=P3 2 GND VIN 5 R565 4S G3 1 2 1/4W 5D D2 NU 2125 6D D1 C534 3 VFB SENSE- 4 5% TPC6104 Q704 6.3V C535 NU SP-CAP D + 2V C693 100u VCGATE 034:A9;036:D3 1M R675 3 2 FDN359AN Q617 VC15 3 SOT23-6 LINEAR TECH. 2125 EEFCD0D101R 1 1 R676 1M C779 0.01u NU D663 F1J3ETP 2 C692 R673 R674 R596 4 24K 20K 1% 1K 1% 1% Vout=0.8*(1+RH/RL) VA3 5 3 2 2SK3019TL Q726 1 IC616 LTC1772CS6#TR 10u 2125 C786 VA3 220p 10K 1 ITH/RUN PGATE 6 6 C536 R776 47m SOT6 Pch-MOSFET L614 A915AY-4R7M=P3 2 GND VIN 5 R566 4S G3 1 2 R599 10K NU 1/4W 2125 5D D2 6D D1 1005 VC3 3 VFB SENSE- 4 5% TPC6104 Q705 C537 3 SOT23-6 LINEAR TECH. 7 2 UNR9213J0L Q732 1 1 NU 2 D664 RB081L-20TE25 R777 C780 R778 8 120K 150K 1% 1% Vout=0.8*(1+RH/RL) VC18 VC18=1.8V-90mV 6.3V C538 10u 2125 SP-CAP D + 2V C787 100u EEFCD0D101R 9 DCIN&BATT VC15 1 2 UNR9113J0L Q707 3 3 1M R568 D3 2 FDN359AN Q708 VC15MCH 10 MCH_OK 2 030:C7;032:C9 1 G R567 C539 Q706 S 1 1M 0.01u 3LN01S-TL C540 NU 11 Odem Eratta A B C D E F G H I J

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C779
0.01u
R675
1M
VC15
VCGATE
034:A9;036:D3
FDN359AN
Q617
2
3
1
R676
1M
R565
47m
2125
5%
1/4W
C533
220p
C534
NU
2V
C693
100u
SP-CAP
D
EEFCD0D101R
+
R673
24K
1%
VA15
A915AY-4R7M=P3
L613
1
2
C692
NU
6.3V
C535
NU
2125
C691
10u
2125
LTC1772CS6#TR
IC605
LINEAR TECH.
SOT23-6
4
SENSE-
5
VIN
6
PGATE
3
VFB
1
ITH/RUN
2
GND
R564
10K
C786
10u
2125
LTC1772CS6#TR
IC616
LINEAR TECH.
SOT23-6
4
SENSE-
5
VIN
6
PGATE
3
VFB
1
ITH/RUN
2
GND
R778
150K
1%
C780
NU
A915AY-4R7M=P3
L614
1
2
2V
C787
100u
SP-CAP
D
EEFCD0D101R
+
C536
220p
6.3V
C538
10u
2125
C537
NU
R566
47m
2125
5%
1/4W
R777
120K
1%
R776
10K
VA3
VA3
VC18
MCH_OK
030:C7;032:C9
R567
1M
DCIN&BATT
R568
1M
C540
NU
FDN359AN
Q708
2
3
1
3LN01S-TL
Q706
2
G
3
D
1
S
VC15MCH
VC15
C539
0.01u
RB081L-20TE25
D664
2
1
2SK3019TL
Q726
2
3
1
TPC6104
Q704
SOT6
Pch-MOSFET
1
D
2
D
3
G
6D
5D
4S
TPC6104
Q705
SOT6
Pch-MOSFET
1
D
2
D
3
G
6D
5D
4S
F1J3ETP
D663
2
1
UNR9113J0L
Q707
3
1
2
R674
20K
1%
R596
1K
1%
UNR9213J0L
Q732
3
1
2
R599
10K
1005
VA3
VC3
VC15=1.5V–75mV
VC18=1.8V–90mV
Odem Eratta
Vout=0.8*(1+RH/RL)
Vout=0.8*(1+RH/RL)
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
Main
33
VA15, VC15, VC18