Philips PET724 - Page 17

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