Service manual

FO-DC600U
A
A
B
B
C
C
D
D
6
5
4
3
2
1
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
(11-5E)
( 2-3A)( 3-1A)( 4-4A)
( 7-3B)( 8-4H)(11-5H)
(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)
( 2-4A)
( 9-2E)
(12-5E)
(12-5E)
( 8-3H)
(11-3I)
(11-3I)
( 4-2A)
( 4-5D)
( 3-1A)
( 4-2D)
( 2-3A)
(11-2D)
(10-6E)
(10-3I)
( 7-3B)
( 2-3A)
(11-3A)
( 2-3A)
( 2-3A)
C277
TP5
C246
2200p
R51 10K
C243
N.M.
CE11
22u/16V
R334
R333 4.7K
C13 1u/6.3V
C242
R295 10K
R30 10
74LV14A
12
147
R258
N.M.
C240 1000p
OSC1
33.1776MHz
OE
1
GND
2
OUT
3
VDD
4
R335 100
4.7K
C225
C235
N.M.
C14
1u/6.3V
C275
R259
N.M.
R303
4.7
K
C15
1u/6.3V
R351
0
R262
1K
R28 10
R21 10
R353
4.7K
C244
0.1u
R287 4.7K
R261
10K
Q111
KRA102S
C278 1000p
R292
0
R20 10
R298 100
TP15
C24 1u/6.3V
D6
MC2850
R356
0
C12
1u/6.3V
R291
N.M.
R350
N.M.
R343 4.7K
R22 10
R289 0
R297 10K
R31
C238 1u
C11
1u/6.3V
C239 1000p
TP505
R256 10K
C221
C22 1u/6.3V
C222
R286 0
R293
4.7K
C224
TP3
R355
C20 1u/6.3V
IC17
PST596
M/R
1
SUB
2
GND
3
VOUT
4
VCC
5
C17 1u/6.3V
R352
R302 0
R360
0
R260
0
R294 4.7
K
C218
TP2
R332 4.7
K
L101
0 (1608/2125)
C23 1u/6.3V
R454
0
C19 1u/6.3V
R357
N.M.
R32
IC15
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
R300 0
C274
R296
10K
C217
R257
Q110
C241
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
74LV14A
34
147
C237
N.M.
C236 470p
C223
R29 10
R50 10K
N.M.
IC16B
IC16A
R358
R359
<RESOUT>
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Main Control PWB circuit
CPU block
6 – 1