Philips 20PFL4122/79 Service Manual page 27

Scaler Board Schemtic Daigram-flash rom&sdram
1 2
FB4201 +3V3_MC
1 2
+3V3
600R
C4202
FB4202 +3V3_MQ
10U 10V
A
1 2
600R
SDRAM 1M X 16
MADR0
MADR1
MADR2
MADR3
MADR4
MADR5
B
MADR6
MADR7
MADR8
MADR9
MADR10
BA0
R4207 100R RASZM RASZM RASZM
7 RASZ
R4208 100R CASZM CASZM CASZM
7 CASZ
R4209 100R WEZM WEZM WEZM
7 WEZ
R4210 100R MCLKM
7 MCLK
CS
DQM
7 DQM
R4211 C4209
22P(NC)
4K7
C
+3V3_MC
MADR[0..11]
7 MADR[0..11]
MADR0
MADR1
MADR2
MADR3
MADR4
MADR5
D
MADR6
MADR7
MADR8
MADR9
MADR10
+3V3_MC MADR11
RASZM
CASZM
WEZM
R4212 R4213 MCLKM
4K7
4K7
DQM
BA0
7 BA0
BA1
7 BA1
E
1 2
3
+3V3_MC +3V3_MQ
C4203 C4204 C4205 C4201 C4206
0.1uF 0.1uF 0.1uF
0.1uF 0.1uF
U4201
DATA8 RP4201 100R
21 2 4 5
A0 D0
DATA9
22 3 3 6
A1 D1
DATA10
23 5 2 7
A2 D2
DATA11
24 6 1 8
A3 D3
DATA12
27 8 4 5
A4 D4
DATA13
28 9 3 6
A5 D5
DATA14
29 11 2 7
A6 D6
DATA15
30 12 1 8
A7 D7
RP4202 100R
31
A8
DATA0 RP4203 100R
32 39 4 5
A9 D8
DATA1
20 40 3 6
A10 D9
DATA2
19 42 2 7
A11 D10
DATA3
43 1 8
D11
DATA4
17 45 4 5
RAS D12
DATA5
16 46 3 6
CAS D13
DATA6
15 48 2 7
WE D14
DATA7
35 49 1 8
CLK D15
RP4204 100R
18
CS
CKE
14 34
CKE
DQML CKE
36 33
DQMU NC
+3V3_MC
37
NC
+3V3_MQ
26 1
VSS1 VCC1
50 25
VSS2 VCC2
4 7
VSSQ VCCQ
10 13
VSSQ VCCQ
41 38
VSSQ VCCQ
47 44
VSSQ VCCQ
M12L16161A-7TG (NC)
SDRAM 4M x 16
U4203
DATA8
23 2
A0 D0
DATA9
24 4
A1 D1
DATA10
25 5
A2 D2
DATA11
26 7
A3 D3
DATA12
29 8
A4 D4
DATA13
30 10
A5 D5
DATA14
31 11
A6 D6
DATA15
32 13
A7 D7
33
A8
DATA0
34 42
A9 D8
DATA1
22 44
A10 D9
DATA2
35 45
A11 D10
DATA3
47
D11
DATA4
18 48
RAS D12
DATA5
17 50
CAS D13
DATA6
16 51
WE# D14
DATA7
38 53
CLK D15
19
CS
15
LDQM
CKE
39 37
UDQM CKE
20
BA0
21 36
BA1 NC
+3V3_MC
40
NC
28 1
VSS VCC
+3V3_MQ
41 14
VSS VCC
54 27
VSS VCC
6 3
VSSQ VCCQ
12 9
VSSQ VCCQ
46 43
VSSQ VCCQ
52 49
VSSQ VCCQ
HY57V641620ETP-6
3
7.Circuit Diagrams and PWB Layouts
4 5
S-08
C4207
0.1uF
MDATA[0..15]
MDATA[0..15] 7
MDATA8
+3V3_STBY
MDATA9
MDATA10
MDATA11
MDATA12
7
MDATA13 R4202
MDATA14
10K
MDATA15
7
MDATA0
MDATA1
MDATA2
MDATA3 R4205
MDATA4 10K(NC)
MDATA5
MDATA6
MDATA7
7
T P V ( Top
Key Component
Date
4 5
6
SPI Flash ROM
+3V3_STBY
R4201 100R
SPI_CZ
C4208
U4202
0.1uF
R4203 100R
1 8
SPI_DO CS# VCC
2 7
SO HOLD#
R4204
3 6
W# SCK
4 5
GND SI
R4206
S25FL004A
Victory Electronics Co . , Ltd. ) OEM MODEL AS2 20PFL4122 MAIN BOARD
T2474-1-20PFL4122-0 70225 TPV MODEL
E207C2NOCWPHNS
08:FLASH ROM & SDRAM PCB NAME 715T2474-1
Sunday, February 25, 2007 Sheet 8 of
6
TPS 1.0A LA 27
7 8
A
C4201 A3
C4202 A1
C4203 A2
C4204 A3
C4205 A3
C4206 A3
C4207 A4
C4208 B7
C4209 C2
FB4201 A2
B
FB4202 A2
RP4201 B3
RP4202 B3
100R
RP4203 B3
SPI_CK 7
RP4204 B3
100R
SPI_DI 7 R4201 B6
R4202 B5
R4203 B6
R4204 B7
R4205 B5
R4206 B7
R4207 B1
R4208 B1
R4209 B1
R4210 C1
R4211 C1
C
R4212 D1
R4213 D1
U4201 B2
U4202 B6
U4203 D2
D
E
Size B
Rev 1
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7 8