Read Panasonic CF-29 (serv.man6) Service Manual Simplified online
Main 34 DDR VB25, VC125
919AS-4R7M
L47
1
2
R476
5.6K
0.5%
C509
0.01u
25V
B
4V
C517
150u
150u
SPCAP D
+
6.3V
C615
10u
10u
2125
VB5
VB25
6.3V
C514
10u
10u
2125
B
VB25
VB3
DCIN&BATT
R474
10K
SLP_S4#
009:F3;027:F10;028:F4;036:A4;036:B9
VB5
6V
C519
150u
150u
POSCAP
D3
+
C518
10u
10u
25V
B
3225
LP2996MX
IC87
1 GND
2 SD
3 VSNS
4 VREF
2 SD
3 VSNS
4 VREF
5
VDDQ
6
AVIN
7
PVIN
8
VTT
R444
604
1%
FDS6690A
Q56
Fairchild
SOP8
Nch-MOSFET
1 S
2 S
3 S
4 G
8
D
7
D
6
D
5
D
FAN5234QSCX
IC64
Fiarchild
SSOP16(1.75mH)
1 VIN
2 PGOOD
3 EN
4 ILIM
16
FPWM
15
BOOT
14
HDRV
13
SW
5 VOUT
6 VSEN
7 SS
8 AGND
12
ISNS
11
VCC
10
LDRV
9
PGND
MEMREF
FDS6690A
Q57
Fairchild
SOP8
Nch-MOSFET
1 S
2 S
3 S
4 G
8
D
7
D
6
D
5
D
DCIN&BATT
R477
10K
0.5%
MA2Q73800L
D33
2
1
R481
22K
RB500V-40TE-17
D31
1
2
R658
0
VC3
VC125
50V
C508
0.1u
C515
0.22u
16V
0.22u
16V
1608
B
25V
C653
1u
1u
2125
B
C654
0.1u
0.1u
C656
2200p
50V
VC3
R739
NU
R738
0
R486
36.5K
36.5K
0.5%
C675
NU(0.1u)
NU(0.1u)
VB25=2.5+125m@6A
Vout=0.9*(1+RH/Rl)
-
-
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
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