Servo Board: Cheetah - Philips VAD8031 Service Manual

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Electrical Diagrams and Print-Layouts

Servo Board: Cheetah

1
2
3
A
{TIMOUT,RFP,RFN,VIA,VIB,VIC,VID,VIE,VIF,VIG,VIH,EFM-CLKP,EFM-CLKN,EFM-DATAP,EFM-DATAN,TS1,TS2,LASP,PPNO,RFP3,RFN3,RFREF,CALF,A1,A2,XDN,D1_TILTN,D2_TLN,D3_REN,D4_FEN,S1_MIRN,S2,MON1,MON2,SIDA,SICL,SILD,SDA,SCL,ALFA,FTC,VERSION0,VERSION1,RW-Del,R-W,GEN-INP0,GEN-INP1,EFMCLK-O,EFM_DATA_P_del,EFM_DATA_N_del,EFM-DATAP,EFM-DATAN,RWN,PORN,EFM_RWN}
5202
I201
5VA
+5Vd
B
5204
I256
-5V
-5Vd
C
5201
-5V
-5Va
D
I215
VIH
I218
VIC
I220
VIB
I224
RFN
I226
E
RFP
+5Vd
I227
VID
I229
VIA
+5Vd
I231
VIE
I233
VIG
F
3207
I235
10K
I253
TIMOUT
CLOSE TO IC7500
-5Vd
I254
3209
I240
EFM-CLKN
G
1K8
CLOSE TO IC7500
I261
3210
EFM-CLKP
I262
3211
1K8
EFM-DATAN
I263
3212
1K8
EFM-DATAP
H
1K8
I
1
2
3
VAD 8031
4
5
6
-5Va
-5Va
7201
1
VIH
D4
2
GND1-1
S1
3
VIC
S2
4
VIB
MON2
5
GND1-2
MON1
6
RFNIN
VDD1-3
7
RFPIN
CMPP
8
VDD1-1
GND1-4
9
VID
RREF
10
VIA
TZA1039HL
VSS1-2
11
VDD1-2
CCALF
12
VIE
CA2
13
VIG
CA1
14
R|W
GND1-3
15
NC1
VSS1-1
16
NC2
SERTST
17
NC3
NC7
18
TIMOUT
NC6
19
VSSD
PPN
20
EFMCN
RFREF
37
-5Va
+5Vd
I257
-5Va
I258
+5Vd
I259
I260
4
5
6
7.
15
7
8
9
I216
D4_FEN
I217
60
S1_MIRN
3214
59
I219
27K
S2
58
I221
MON2
57
I222
MON1
56
55
+5Vd
54
53
I228
3206
52
-5Va
47K
1%
51
-5Va
I234
2213
50
I237
2214
27n
49
-5Va
I239
10n
2215
48
10n
47
46
-5Vd
I236
3208
45
L201
10K
44
43
I238
42
PPNO
I241
RFREF
41
RFN3 / RFP3, IC7201 Pin 38/39
TIMOUT
RFN3
RW-Del
RFP3
A:AC, 50mV/Div
7
8
9
10
11
12
13
TO OPU/EPLD-LADIC-CON/LACONIC_IC/CENTAURUS
50ns/Div
10
11
12
13
2204 B5
14
2205 B5
2206 C2
2207 C3
2209 B2
2210 B2
2211 B3
2212 B3
2213 F7
2214 F7
2215 F7
2217 H5
2218 H5
A
2219 C3
2220 C3
2221 C4
2222 C3
2223 G7
3200 C5
3201 B5
3202 C4
3203 C5
3204 C4
3205 C5
B
3206 E7
3207 F3
3208 F7
3209 G2
3210 H3
3211 H3
3212 H3
3213 H4
3214 D7
3215 D3
3216 D3
3217 H4
C
4200 H9
4201 H8
5201 C2
5202 B2
5204 B2
7201 D3
I201 B2
I202 D6
I203 D6
I204 D6
I205 D6
I206 D6
D
I207 D6
I208 D5
I209 D5
I212 D4
I214 C4
I215 D3
I216 D7
I217 D7
I218 D3
I219 D7
I220 E3
E
I221 E7
I222 E7
I223 C4
I224 E3
I225 D5
I226 E3
I227 E3
I228 E7
I229 E3
I231 F3
I233 F3
I234 F7
F
I235 F3
I236 F7
I237 F7
I238 G7
I239 F7
I240 G3
I241 G7
I242 C5
I243 C5
I244 H5
I245 H5
I246 H5
G
I247 H5
I248 H4
I249 H4
I250 H4
I251 H4
I252 H4
I253 G2
I254 G2
I256 B2
I257 H6
I258 H6
H
I259 I6
I260 I6
I261 H2
I262 H2
I263 H2
I264 I5
I265 D4
L200 D5
L201 F7
I
TR 15003_001
100903
14

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