Service manual

C – 13
C
IRCUIT
D
IAGRAMS
C. CIRCUIT DIAGRAMS
System Board (71-P2200-006) - Sheet 12 of 19
LP-200
6
LAN & MODEM CONNECTORS
ÂÅ ¤Ñ ¹q ¸£ CLEVO CO.
12 19T ues day, June 20, 2000
Title
Size Docum ent Number Rev
Dat e: Sheet
of
+3V
+5V
+5V
+5V
+2.5V+1.8V
3.3V _RX
3. 3V_T X
+3V
SB5V
SB3V
SB 5V
SB 5V
SB5V
SB5V
Z1209
Z1208
RX+
Z1226
Z1205
T Z 1210
Z1203
Z1204
Z1247
Z1228
Z1229
Z1231
Z1230
RX-
TX-
TX+
Z1225
Z1223
Z1237
Z1238
Z1235
Z1236
Z1234
Z1240
Z1243
Z1239
Z1241
Z1233
Z1242
Z1245
Z1244
T Z 1201
T Z 1202
T Z 1204
T Z 1203
T Z 1208
T Z 1207
T Z 1205
T Z 1206
T Z 1209
T Z 1213
T Z 1212
T Z 1211
Z1232
T Z 1219
T Z 1220T Z 1217
T Z 1218T Z 1216T Z 1214
T Z 1221 T Z 1215
Z1246
CN13
RJ-11
1
2
XP
XN
75_0805
R8 8
75_0805
R84
75_0805
R87
75_0805
R83
R317 0
R314 0_R
C115
47p
C121
1000p/2K V_1210
C113
47p
C112
47p
C117
47p
CN11
MODEM CON.
1
2
3
C210
0. 01u
C207
10p
U1 3
Pulse-H0009
1
2
16
15
3 14
4 13
5
6
7
12
98
11
10
RD +
RD-
RX+
RX-
RD_CT RX_CT
NC NC
NC
TD_CT
TD+
NC
TX-TD-
TX_CT
TX+
C208
10p
C209
0. 01u
C111
0. 01u
R309
10K
R299
10K
R300
330
R301
1K
R303
51K
R279 27_0805
R277 27_0805
R280
27_0805
R278
27_0805
R275
56_0805
R276
56_0805
R310 0
R316 10K _R
U18
7407
1110
1312
714
8 9
6 5
4 3
2 1
A5Y5
A6Y6
GNDVCC
Y4 A4
Y3 A3
Y2 A2
Y1 A1
CA192
0. 1u
1KR342
C279 0. 01u
1MR397
CA216 0. 1u
CN16
SMD-1394 CON.
1
2
3
4
5
6
7
8
RN74
R- PACK8_1
1 8
2
3 6
4 5
7
U35A
74HCT 14
1 2
147
R399 0_R
R398 0
CN21
MDC CON.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29 30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
MONO_OUT
GND
AU XR
AUXL
CD G N D
CD _ R
CD_L
GND
3. 3V
GND
3. 3V
SDAT A_O
RE SE T #
GND
MCLK BCLK
GND
SDATA_INA
SDATA_INB
SYNC
GND
VCC
P_D N
R_D
R_D
VCC
GND
R_D
MONO_PHONE
AUDIO_PD
T 270
T 271
T 273
T 272
T 275
T 274
T 276
T 277
T 279
T 278
T 281
T 280
U35C
74HCT 14
5 6
147
U35D
74HCT 14
9 8
147
U35E
74HCT 14
11 10
147
U35F
74HCT 14
13 12
147
T 398
T 399
T 400
T 401
T 402
T 403 T 404
T 405
L65
0
L66
0
CN12
RJ-45
8
7
6
5
4
3
2
1
GND1
GND2
NC
NC
RO-
NC
NC
RO +
TD-
TD+
GND1
GND2
RT 1
R2010
CN17
IEEE-1394 CON.
1
2
3
4
5
6
1
2
3
4
5
6
TPI+5
TPI-5
TPO+5
TPO-5
SDAT O5, 16,19
AC_RESET #5, 16,19
PCIRST#24,11, 13
S YN C 5,16, 19
BI T _CLK 5, 16, 19
PH ONE 16
MONO-OUT16
+ 5V 2,5, 6, 8,10, 11, 13, 14,15, 16, 17,18, 19
+ 3V 2, 3,4, 5,6, 7, 8,9, 10, 11, 13, 14, 15, 16,18, 19
VRMPWRGD 18
R ESE T - SW# 15
PWRGOOD1
PWRG D5
V_CMO S 1
PO WER- O N 18PSON#5
PO WEROK 2
SDAT IN1 5,19
S DAT I N0 5, 16, 19
IEEE-1394 CONNECTOR TOP VIEW
LAN
IEEE-1394
MDC ( SOFEWARE MODEM )
MODEM
GND1~21=GND
71-P2200-006
A3
o
x
H3
o
x
L3
o
L8
o
L2
x
L7
o
o
o
L6
o
x
L5
o
RJ-45 CONNECTOR TOP VIEW
o
L1
H2
o
H1
o
L4
H4
CON NEC T T O CONN ECTOR GR OUN D