Philips HTS3510/55 Service Manual page 24

24 HTS3510
PAINEL PRINCIPAL - ESQUEMA ELÉTRICO: SDRAM & FLASH
A
Main Board Circuit Diagram: SDRAM & FLASH
1
U14 U14
MA0 23 2 DQ7
A0 DQ0
MA1 DQ6
24 4
A1 DQ1
MA2 DQ5
25 5
A2 DQ2
MA3 26 7 DQ4
A3 DQ3
MA4 DQ3
29 8
A4 DQ4
MA5 30 10 DQ2
A5 DQ5
MA6 31 11 DQ1
A6 DQ6
MA7 DQ0
32 13
A7 DQ7
MA8 33 42 DQ8
A8 DQ8
MA9 DQ9
34 44
A9 DQ9
MA10 DQ10
22 45
A10/AP DQ10
MA11 35 47 DQ11
A11 DQ11
DBA0 DQ12
20 48
BA0/A13 DQ12
DBA1 DQ13
21 50
BA1/A12 DQ13
51 DQ14
DQ14
SDCLK DQ15
38 53
CLK DQ15
SDCKE
37
CKE
SD33
DCS#
19 1
CS VCC
DRAS#
18 14
RAS VCC
DCAS# 17 27
CAS VCC
DWE# SD33
16
WE
3
VCCQ
DQM0 15 9
DQML VCCQ
DQM1
39 43
DQMH VCCQ
49
VCCQ
36
NC
40 6
NC VSSQ
12
VSSQ
54 46
VSS VSSQ
41 52
VSS VSSQ
28
VSS
64M_bit_SDRAM 64M_bit_SDRAM
2
DV33
R404 R404
R403 R403 1K 1K
1K 1K SCL1 DV33
SDA1
DV33
U16 U16
R405 R405
1 8 DV33 4.7K 4.7K
C220 C220 NC VCC
2 7
NC WP
0.1uF/25V 0.1uF/25V SCL1
3 6
NC SCL
4 5 SDA1
GND SDA
EEPROM 24C16 EEPROM 24C16
3
4
A
B
DV33
32 Mb FLASH
DRAS#
DWE#
U15 U15
A1 25 29 AD0
A0 D0
A2 AD1
24 31
A1 D1
A3 23 33 AD2
A2 D2
A4 22 35 AD3
A3 D3
A5 AD4
21 38
A4 D4
A6 20 40 AD5
A5 D5
A7 AD6
19 42
A6 D6
A8 AD7
18 44
A7 D7
A9 8 30
A8 D8
A10
7 32
A9 D9
A11
6 34
A10 D10
A12 5 36
A11 D11
A13
4 39
A12 D12
A14
3 41
A13 D13
A15 2 43 DV33
A14 D14
A16 A0
1 45
A15 D15
A17
DV33 48
A16
A18 17 14
A17 WP/NC
A19
16 47
A18 VCCQ/BYTE
A20 9 R398 R398
NC/A19
A21 10 0 0
A20
37
VCC
R401 R401 PCE# 26
CE C218 C218
10K 10K PRD#
28 27
OE GND1
DV33 PWR# 0.1uF/25V 0.1uF/25V
11 46
WE GND2
13
VPP/NC
12 15
RESET A19/RD/BY
TSOP 48 pin
EPROM_WP
B
C
SD33
FB11 FB11
FB500/0.2A FB500/0.2A
+ +
CE55 CE55 C214 C214 C215 C215 C216 C216 C217 C217
0.1uF/25V 0.1uF/25V 0.1uF 0.1uF 0.1uF/25V 0.1uF/25V 0.1uF/25V 0.1uF/25V
47uF/16V 47uF/16V
DCS# CS#
RAS#
WE#
DCAS# CAS#
DQ[0..15]
(2) DQ[0..15]
MA[0..11]
(2) MA[0..11]
(2) BA[0..1] BA[0..1]
(2) DQM[0..1] DQM[0..1]
(2) DCLK DCLK
(2) DCKE DCKE
CAS#
(2) CAS#
DBA0 BA0 (2) RAS# RAS#
(2) WE# WE#
DBA1 BA1 CS#
(2) CS#
SDCKE R400 R400 33 33 DCKE
DRAM
SDCLK R402 R402 33 33 DCLK
C219 C219 (2) PCE# PCE#
NC NC
(2) PRD# PRD#
(2) PWR# PWR#
A[0..21]
(2) A[0..21]
AD[0..7]
(2) AD[0..7]
FLASH
(2) SCL1 SCL1
(2) SDA1 SDA1
IIC
C
D E
D E
1
2
3
4