![background image](http://html.mh-extra.com/html/panasonic/cf-y2-series/cf-y2-series_service-manual_264457080.webp)
29
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
Main 29 VCPUCORE
C477
100p
1005
TP71
@compC
φ
2.0
RBOOT
VID0
002:A4
R445
2.2K
VID3
002:A5
C471
1000p
PGOOD
TP72
@compC
φ
2.0
PGOOD
R428
1K
R436
1
R433
3K
R413
13K
0.5%
VOS+
DPRSLPVR
010:F2
R440
0
C481
4.7u
2125
MCH_OK
030:C10;032:B9;032:E8
1SS357(TPH3F)
D45
1
2
VID5
002:A5
SGND
R424
1.3K
0.5%
DCIN&BATT
R439
1.3K
R444
0
R430
10
1608
R411
10
TP69
R422
NU 1%
SGND
R417
2.2K
0.5%
VOA+
R421
13K 0.5%
R414
51K
1%
RBOOT
C484
10u
25V
B
3225
C483
10u
25V
B
3225
SGND
2SK3019TL
Q70
@compC
2
3
1
VID1
002:A4
SGND
R432
51K
R435
NU
PGND
R426
0
R416
100K
1%
2V
C488
270u
SP-CAP
UD
EEFUD0D271XR
+
R425
2K 1%
VCPUCORE
VRON#
030:D3;030:H3;030:I9
VC3
S1+
R415
4.7K
0.5%
R442
NU
PGND
VOS-
C475
100p
1005
VA5
2V
C486
270u
SP-CAP
UD
EEFUD0D271XR
+
R418
12K
0.5%
FDS6688
Q75
FAIRCHILD
SOP8
Nch-MOSFET
1
S
2
S
3
S
4
G
8 D
7 D
6 D
5 D
2SC4617TLQ
Q71
1
3
2
C.PI-1050-1R6M
L45
13A
1.7m
Ω
10x10x5mm
Tokin
1
2
R441
10K
VOS-
S1+
CLK_EN#
009:B5
25V
C479
0.33u
2125
TP70
R431
150K
SGND
R419
51K
1%
VC3
VOS+
R427
100K 1%
STPCPU#
009:D5;010:F3
R420
1M 1%
SGND
PSI#
002:A3
SGND
VID4
002:A5
R410
10
C478
680p
C476
100p
1005
R434
1M
2V
C487
270u
SP-CAP
UD
EEFUD0D271XR
+
RB081L-20TE25
D46
2
1
R438
47K
R437
4.7K
VC3
VGATE
010:E10;029:F11;030:D10
R409
NU
VID2
002:A5
C485
NU
1005
VOA+
VGATE
010:E10;029:G10;030:D10
2SC4617TLQ
Q73
1
3
2
FDS6690A
Q74
FAIRCHILD
SOP8
Nch-MOSFET
1
S
2
S
3
S
4
G
8 D
7 D
6 D
5 D
VCPUCORE
R412
1M 1%
VA5
R429
1M
VA5
R423
0
C472
1000p
C473
470p
2SK3503-T1-A
Q72
@compC
2
G
3
D
1
S
C482
NU
B
1608
C474
1u
B
1608
MA3J741E0L
D63
A
2
A
1
C
3
VC5
FDS6688
Q109
FAIRCHILD
SOP8
Nch-MOSFET
1
S
2
S
3
S
4
G
8 D
7 D
6 D
5 D
R577
0
R578
0
R579
0
R580
0
R581
0
R582
0
R443
0.004
2037
1%
1W
IC52
LTC3734EUH#TR
32QFN(0.75mmH)
LINEAR TECH.
2 VOA-
3 OAOUT
4
STP_CPUB
5 SGND
6 SENSE+
7 SENSE-
8
RDPRSLP
9
RDPSLP
10
RUN/SS
11
ITH
12
RBOOT
13
VID0
14
VID1
15
VID2
16
NC
17
VID3
18
VID4
19
VID5
20
PGND
21
BG
22
PVCC
23
SW
24
TG
25
BOOST
26
PGOOD
27
MCH_PG
28
VFB
29
SVCC
30
DPRSLPVR
31
FREQSET
32
PSIB
1 VOA+
33
PKGGND
SW.FREQ
FREQSET:0V
160
〜
185
〜
210KHz
Max.12.0A
Deeper Sleeper mode at LFM =>0.748V
1
IMVP4PWRGOOD
Deep Sleep mode VCPUCOREx97.4%
2
High Frequency mode=>1.052V
3
Deeper Sleeper mode at HFM =>0.748V
Low Frequency mode =>0.956V
2003.7.23
R443 5m
→
4m
2003.7.24
R413 12K
→
13K
R415 10K
→
4.7K
R414 33K
→
51K
R445 0
→
2.2K
Summary of Contents for CF-Y2 Series
Page 3: ......
Page 6: ......
Page 7: ......
Page 8: ......
Page 15: ...12 4 Diagnosis Repair 4 1 Basic Procedures ...
Page 16: ...13 4 2 Troubleshooting ...
Page 23: ......
Page 36: ......
Page 37: ......
Page 51: ...1 2 3 4 5 6 7 8 9 10 11 G J CF Y2 Printed Circuit Board Main Board Top Side D E I A C F H B ...