Panasonic CF-29 (serv.man6) Simplified Service Manual ▷ View 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)
VC125=1.25V+62.5mV@1.5A
-
-
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
Main 35 VA3, VA5
R487
33m
2125
5%
1/4W
MA2Q73800L
D5
2
1
DCIN&BATT
VA3
C462
1u
1608
6.3V
B
FDS6912A
Q69
FAIRCHILD
SOP8
Nch-MOSFET
1
S1
2
G1
3
S2
4
G2
8
D1
7
D1
6
D2
5
D2
25V
C458
0.01u
0.01u
B
6.3V
C457
10u
10u
2125
B
FDS6912A
Q142
FAIRCHILD
SOP8
Nch-MOSFET
1
S1
2
G1
3
S2
4
G2
8
D1
7
D1
6
D2
5
D2
6.3V
C524
1u
1u
1608
B
SI786LG-T1
IC74
VISHAY
TSOP28(1.75mH)
1
CS3
2
SS3
3
CN3
4
D1
28
FB3
27
DU3
26
LX3
25
BOOST3
5
D2
6
VH
7
Q2
8
Q1
9
SGND
10
REF
11
SYNC
12
PWON
13
CN5
14
SS5
24
DL3
23
V+
22
VL
21
FB5
20
PGND
19
DL5
18
BOOST5
17
LX5
16
DH5
15
CS5
C297
1u
1u
25V
2125
B
6.3V
C459
1u
1608
B
MA2Q73800L
D10
2
1
50V
C523
0.1u
0.1u
1608
B
R488
33m
2125
5%
1/4W
VA5
50V
C460
0.1u
0.1u
1608
B
25V
C301
0.01u
B
R491
10
10
R494
220K
1005
R489
220K
1005
C461
10u
10u
25V
B
3225
6.3V
C522
180uF
180uF
SPCAP
D
+
R497
33m
33m
2125
5%
1/4W
6.3V
C581
10u
10u
2125
B
4V
C306
150uF
150uF
SPCAP
D
+
C610
10u
10u
25V
B
3225
919AS-100M
L15
1
2
919AS-100M
L63
1
2
6.3V
C295
22u
3216
B
DAP222TL
D6
C
2
1
C
A
3
DAP222TL
D62
C
2
1
C
A
3
DAP222TL
D63
C
2
1
C
A
3
R498
47m
47m
2125
5%
1/4W
RES/4
Si786 requirement about Cout for stability
5V; Cap.>160uF, ESR<25mohm
3.3V; Cap.>105uF, ESR<16.5mohm
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
Main 36 VC3, VB3, VC5, VB5, RESET
IC76
SN74AHC2G02HDCTR
SN74AHC2G02HDCTR
6
5
3
IC76
SN74AHC2G02HDCTR
2
1
7
IC77
NC7S14P5X
24
VCRST#
001:A10;008:G9;009:A2;009:F2;025:D9;
028:D4;036:I2
028:D4;036:I2
SLP_S4#
009:F3;027:F10;028:F4;034:B4;036:A4
SLP_S3#
006:D5;009:F2;019:G8;024:H5;024:H7;
025:A4;027:F10;028:D1;030:G4;036:A2
025:A4;027:F10;028:D1;030:G4;036:A2
R500
1M
1M
UNR9113J0L
Q72
Q72
3
1
2
FDS6912A
Q77
FAIRCHILD
SOP8
Nch-MOSFET
1
S1
2
G1
3
S2
4
G2
8 D1
7 D1
6 D2
5 D2
DCIN&BATT
C309
0.01u
0.01u
B
25V
VA5
R499
1M
1M
SLP_S3#
FDS6912A
Q75
FAIRCHILD
SOP8
Nch-MOSFET
1
S1
2
G1
3
S2
4
G2
8 D1
7 D1
6 D2
5 D2
SLP_S4#
25V
C308
0.01u
B
VA3
R502
1M
UNR9214J0L
Q71
3
1
2
25V C310
0.01u
B
25V C360
0.01u
B
R501
1M
1M
UNR9113J0L
Q73
3
1
2
UNR9214J0L
Q70
3
1
2
R503
1M
1M
R504
1M
DCIN&BATT
VC3
VB3
VC5
VB5
VCGATE
033:C7
VB3
C463
0.1u
ECRSTIN#
028:D12
VCRST#
001:A10;008:G9;
009:A2;009:F2;025
009:A2;009:F2;025
C473
1000p
1000p
R3112Q291C-TR
IC44
RICOH
SC-82AB
4
VOUT
3
Cd
1 VCC
2 GND
IC82
NC7SZ08P5X
5
VCC
3
GND
IC82
NC7SZ08P5X
1
2
4
50V
C471
0.068u
0.068u
B
25V
C470
0.01u
0.01u
B
C466
NU
VA3
VC3
C474
1000p
1000p
C472
1000p
1000p
VBRST#
015:B8;024:C10;027:F9;028:D4
VA3
R3112Q291C-TR
IC45
RICOH
SC-82AB
4
VOUT
3
Cd
1 VCC
2 GND
R3112Q291C-TR
IC46
RICOH
SC-82AB
4
VOUT
3
Cd
1 VCC
2 GND
DBRESET#
001:A10
ERSTSW#
028:A2
16V
C469
0.047u
0.047u
B
C467
NU
C468
NU
R396
NU
VA3
16V
C585
0.1u
0.1u
IC77
NC7S14P5X
5
VCC
3
GND
IC76
SN74AHC2G02HDCTR
8
VCC
4
GND
UNR9213J0L
Q166
Q166
3
1
2
VC15
VB25
VCMCH
VC5
UNR9213J0L
Q162
Q162
3
1
2
XP0421300L
Q159
Q159
6
2
1
XP0421300L
Q164
Q164
6
2
1
VCCP
XP0421300L
Q157
5
3
4
VCPUCORE
XP0421300L
Q159
5
3
4
XP0421300L
Q164
5
3
4
XP0421300L
Q157
Q157
6
2
1
UNR9213J0L
Q163
Q163
3
1
2
VB5
VC3
VB3
6.3V
C359
47uF
3225
B
C670
NU
IC108
SN74AHC1G08DCKR
NU
5
VCC
3
GND
VA3
R753
0
16V
C671
NU(0.047u)
NU(0.047u)
B
C672
NU(1000p)
NU(1000p)
VA5
IC108
SN74AHC1G08DCKR
1
2
4
R3112Q291C-TR
IC109
RICOH
SC-82AB
NU
4
VOUT
3
Cd
1 VCC
2 GND
(S)
Target 45ms
tD=0.69x6.5x10 xC
Target 300ms
Target 210ms
D
6
Target 210ms
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
Main 37 DC-IN VM1
MAZ80620ML
D27
2
1
VA3
MAZ80620ML
D26
2
1
16V
C258
0.1u
0.1u
R450
100
1005
O3P2J
D15
2
3
1
R456
100
1005
VCCP
R451
100
1005
VA5
R506
22K
R505
100
1005
VCPUCORE
MAZ80620ML
D28
2
1
MAZ80620ML
D29
2
1
VCMCH
R413
100
1005
MAZ80620ML
D14
2
1
VB25
R412
100
1005
MAZ80620ML
D13
2
1
R617
2.2K
2125
2125
R615
2.2K
2125
2125
MA3S132E0L
D75
A
2
A
1
C
3
BATVOL1
ACIN
OVP#
039:H7
BATVOL2
MA2S11100L
D74
2
1
OVPROTECT
038:D6;039:B7;039:E2;039:F9
UNR9113J0L
Q103
3
1
2
R440
47K
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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