Philips PET724 Service Manual page 17

8.0 ELECTRICAL DIAGRAM
MAIN BOARD CIRCUIT DIAGRAM (FLASH & SDRAM)
DV33
R55
10K R56
10K
DV33
D001
24C02
$$$189
21 25
A0 D0
$$$188
20 26
A1 D1
$$$187
19 27
A2 D2
$$$186
18 28
A3 D3
$$$185
17 32
A4 D4
$$$184
16 33
A5 D5
$$$183
15 34
A6 D6
$$$178
14 35
A7 D7
$$$201
8
A8
$$$200
7
A9
$$$198
36 11
A10 NC
$$$199
6 29
A11 NC
$$$177
5
A12
$$$202
4
A13
$$$203
3
A14
$$$176
2
A15
$$$175
1 10
A16 RESET
$$$204
40 12
A17 RY/BY
$$$174
13
A18
$$$205
37 30
A19 VCC
38 31
A20 VCC
$$$235
22
CE
$$$225
24 23
OE VSS
$$$226
9 39
WE VSS
U1
16MFLASH
$$$190
$$$191
$$$192
$$$193
$$$194
$$$195 BA0
R72
$$$196 BA1
R3 33
$$$197
DCLK
R73
CS#
1
L15
RAS#
3
DV33 CAS#
5
WE#
601
7
R90
10K
CB94
100N C37
+
10U/16V
D004
MA0
23
A0
MA1
24
A1
MA2
25
A2
MA3
26
A3
MA4
29
A4
MA5
30
A5
MA6
31
A6
MA7
32
A7
MA8
33
A8
MA9
34
A9
MA10
22
A10/AP
MA11
35
A11
33
20
BA0/A13
21
BA1/A12
NC
33 C92
38
CLK
DCKE
37
CKE
RN1
2 19
CS
4 18
RAS
6 17
CAS
8 16
WE
22x4
DQM0
15
DQML
DQM1
39
DQMH
36
NC
40
NC
54
VSS
41
VSS
28
VSS
64MSDRAM
$$$148
2
DQ0
$$$150
4
DQ1
$$$151
5
DQ2
$$$152
7
DQ3
$$$153
8
DQ4
$$$155
10
DQ5
$$$156
11
DQ6
$$$157
13
DQ7
$$$158
42
DQ8
$$$159
44
DQ9
$$$160
45
DQ10
$$$161
47
DQ11
$$$165
48
DQ12
$$$166
50
DQ13
$$$167
51
DQ14
$$$168
53
DQ15
SDRAM3V3
1
VCC
14
VCC
CB110 100n
27
VCC
CB111 100n
3
VCCQ
9
VCCQ
CB115 100n
43
VCCQ
49
VCCQ
CB145 100n
6
VSSQ
CB103 100n
12
VSSQ
46
VSSQ
52
VSSQ
C52 10U/16V