Service manual

FO-4400U
FO-CS1
(11-5E)
( 2-3A)( 3-1A)( 4-4A)
(11-3D)
(11-5E)
(11-5E)
(11-5H)
(11-5H)
(11-5E)
(11-5H)
(11-5H)
(11-5H)
(11-5H)
(11-5E)
(4-4A)
(11-5E)
(11-5E)
( 2-3A)
( 2-3A)
( 2-3A)
( 2-3A)
( 2-3A)
( 2-4A)
( 9-2E)
(12-5E)
(12-5E)
( 8-3H)
(11-3I)
(11-3I)
( 7-3B)( 8-4H)(11-5H)
( 4-2A)
( 4-5D)
( 3-1A)
( 4-2D)
( 2-3A)
(11-2D)
(10-6E)
(10-3I)
( 7-3B)
<RESOUT>
( 2-3A)
(11-3A)
12
147
OE
1
GND
2
OUT
3
VDD
4
M/R
1
SUB
2
GND
3
VOUT
4
VCC
5
AGND
1
VCC
2
1Y0
3
1Y1
4
1Y2
5
GND
6
GND
7
1Y3
8
1Y4
9
VCC
10
1G
11
FBOUT
12
FBIN
13
2G
14
CLK
24
AVCC
23
VCC
22
2Y0
21
2Y1
20
GND
19
GND
18
2Y2
17
2Y3
16
VCC
15
34
147
C277
TP5
C246
2200p
R51 10K
C243
N.M.
CE11
22u/16V
R334
R333
4.7K
C13 1u/6.3V
C242
N.M.
R295 10K
R30 22
IC16A
74LV14A
R258
N.M.
C240
OSC1
33.1776MHz
R335 100
R358
4.7K
C225
C235
N.M.
C14
1u/6.3V
C275
R259
N.M.
R303
4.7K
C15
1u/6.3V
R351 0
R262
1K
R28 22
R21 22
R353
4.7K
C244
N.M.
R287 4.7K
R261
10K
Q111
KRA102S
C278
1000p
R292
0
R20 22
R298 100
TP15
C24 1u/6.3V
D6
N.M.(MC2850)
R356 0
C12
1u/6.3V
R291
R350
R343 4.7K
R22
N.M.
R289
R297 10K
R31
C238 1u
C11
1u/6.3V
C239
N.M.
TP505
R256 10K
C221
N.M.
C22 1u/6.3V
C222
R286
N.M.
R293
4.7K
C224
TP3
R355
C20 1u/6.3V
IC17
PST596
C17 1u/6.3V
R352
R302 0
R360
0
R260
0
R294 4.7K
C218
TP2
R332 4.7K
L101
0 (1608/2125)
C23 1u/6.3V
R454
0
C19 1u/6.3V
R357
N.M.
R32
IC15
N.M.(CDC2509CPWR)
R300 0
C274
R296
10K
C217
R257
N.M.
Q110
C241
N.M.
R359
N.M.
R301 10K
R354
4.7K
C248 1u
C245
0.1u
C25 1u/6.3V
C220
0.1u
R336 0
C276
C21 1u/6.3V
C10
1u/6.3V
R299
20K
R288 4.7K
C219
C16 1u/6.3V
R290 4.7K
R361
0
TP1
R304
4.7K
IC16B
74LV14A
C237
C236 470p
C223
N.M.
R29 10
R50 10K
DG
Vss-PLL
+3.3VSHA
Vcc-PLL
+1.9VD
SHADG
+3.3V
DG
+3.3V
+3.3V
DG
DG
DG
+5V
DG
DG
+3.3VSHA
SHADG
DG
+3.3V
+3.3V
DG
+3.3V
+3.3V
DG
SHADG
SHADG
+1.9VD
DG
+3.3V
DG
+3.3V
DG
+3.3V
DG
+3.3V
DG
DG
+3.3V
+3.3V+3.3V
+3.3V
DGDG
+1.9VD
DG VSS-PLL
Vcc-PLL
+3.3VSHA
DG
+3.3V
SHADG
/TRST
/IRL0
/ASEMD0
TCK
/IRL2
TMS
/IRL1
/AUDSYNC
/IRL3
/DREQ1
/DREQ0
TDO
AUDATA1
AUDCK
/ASEBRKAK
/RESET
TCS1
TCS2
AUDATA3
AUDATA0
TDI
AUDATA2
RXD
MEMDTCT0
MEMDTCT1
LCDVECNT
LCDTH
NMI
CKICE
CKSDRL
CKCSMS
CKSDRU
CKSPDR
NICDTCT
PCLDTCT
TXD
CKLCDC
/ICERESOUT
MANRES
A
A
B
B
C
C
D
D
6
5
4
3
2
1
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Main Control PWB circuit
CPU block
6 – 1