Read Panasonic CF-18 Service Manual online
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
Main 33 3.3V 5V DC/DC
DCIN&BATT
DCIN&BATT
DCIN&BATT
VA3
VA5
FDS6912A
Q55
Fairchild
SOP8
Nch-MOSFET
1 S1
2 G1
3 S2
4 G2
8
D1
7
D1
6
D2
5
D2
FDS6912A
Q52
Fairchild
SOP8
Nch-MOSFET
1
S1
2
G1
3
S2
4
G2
8 D1
7 D1
6 D2
5 D2
2SK3019TL
Q54
2
3
1
C481
1000p
C489
1000p
INTVCC2
INTVCC2
C479
NU
C491
NU
R389
33m
2125
5%
1/4W
50V
C480
0.1u
0.1u
1608
R373
10
50V
C477
0.1u
0.1u
1608
50V
C487
0.1u
0.1u
1608
50V
C478
0.1u
0.1u
1608
50V
C490
0.1u
0.1u
1608
VA5
R374
15K
15K
R375
10K
10K
R376
NU
R377
0
R385
10
R384
10
R371
10
R372
10
2SK3019TL
Q56
2
3
1
C476
10u
25V
B
3225
C492
10u
25V
B
3225
C482
22p
1005
R380
10K
1005
C483
220p
1005
C484
220p
1005
R381
10K
1005
C486
22p
1005
IC59
LTC3728LXCUH
32QFN(0.75mmH)
LINEAR TECH.
2
PLLFLTR
3
PLLIN
4
FCB
5
ITH1
6
SGND
7
3.3VOUT
8
ITH2
9
VOSENSE2
10
NC
11
SENSE2-
12
SENSE2+
13
RUN/SS2
14
TG2
15
SW2
16
NC
17
BOOST2
18
BG2
19
PGND
20
INTVCC
21
EXTVCC
22
BG1
23
VIN
24
BOOST1
25
SW1
26
TG1
27
PGOOD
28
RUN/SS1
29
NC
30
SENSE1+
31
SENSE1-
32
NC
1
VOSENSE1
C485
10u
10u
2125
R388
33m
2125
5%
1/4W
UNR9213J0L
Q53
Q53
3
1
2
DCIN&BATT
C475
NU
NU
10V
R368
13K
13K
R3111N271A-TR
IC56
RICOH
1
VOUT
5
NC
2 VCC
4 NC
3 GND
R366
5.6K
5.6K
R369
47K
R370
470K
DCIN&BATT
LTOFF2#
LTOFF2#
B1000AS-100M=P3
L29
8.1x8.0x5.0
1
2
919AS-100M=P3
L28
1
2
R382
30K
1%
30K
1%
R383
10K
1%
10K
1%
R379
20K
1%
1%
R378
5.6K
1%
EC10QS04-TE12L
D26
2
1
EC10QS04-TE12L
D23
2
1
R540
100K
1%
R541
1.5K
1%
1.5K
1%
R545
NU
R544
NU
RB717FT106
D25
A
2
A
1
C
3
R363
22m
2125
5%
1/4W
R364
22m
2125
5%
1/4W
4V
C493
150uF
150uF
SPCAP
D
EEFUD0G151R
+
6.3V
C473
100uF
100uF
SPCAP
D
EEFUD0J101R
+
6.3V
C474
NU
NU
SPCAP
D
EEFUD0J101R
+
R365
5.6K
5.6K
3.3V/5V
5V
Iocp=62mV/Rsense
=3.758A
=3.758A
Imax=50mV/Rsense
=3.030A
=3.030A
Imax=50mV/Rsense
=3.030A
=3.030A
Iocp=62mV/Rsense
=3.758A
=3.758A
Vref=0.788
㨪0.812V
RH=104.544
㨪106.656Kohm
RL=19.8
㨪20.2Kohm
Vout=Vref*(1+RH/RL)
Vout=4.8662
Vout=4.8662
㨪5.186V
(SPEC Vout=4.75
㨪5.25V)
IF LoadSlope(max)=11.55mohm x 5A
THEN Vout(min)=4.8084V
THEN Vout(min)=4.8084V
Vref=0.788
㨪0.812V
RH=31.185
㨪31.815Kohm
RL=9.9
㨪10.1Kohm
Vout=Vref*(1+RH/RL)
Vout=3.221
Vout=3.221
㨪3.4215V
(SPEC Vout=3.135
㨪3.465V)
IF LoadSlope(max)=17.325mohm x 3A
THEN Vout(min)=3.169V
THEN Vout(min)=3.169V
Click on the first or last page to see other CF-18 service manuals if exist.