Dvd/Hd Mpeg Pcb Assy(3/6) - Pioneer DVR-RT501-S Service Manual

1

3.5 DVD/HD MPEG PCB ASSY(3/6)

A 3/6 DVD/HD MPEG PCB ASSY
A
(A2G002HB10:DVR-RT501)
(A2G003HB10:DVR-RT401)
•MEMORY BLOCK
B
C
A
D
E
F
A 3/6
36
1
2
RAMDAT0
RAMDAT1
RAMDAT2
RAMDAT3
RAMDAT4
RAMDAT5
RAMDAT6
RAMDAT7
RAMBA0
RAMBA1
RAMADD10
RAMADD0
FROM/TO MPEG
RAMADD1
RAMADD2
RAMDAT31
RAMDAT30
RAMADD3
RAMDAT29
RAMDAT28
RAMDAT27
RAMDAT26
RAMDAT25
RAMDAT24
RAMDAT23
RAMDAT22
RAMDAT21
RAMDAT20
RAMDAT19
RAMDAT18
RAMDAT17
RAMDAT16
RAMDAT15
2/6
RAMDAT14
RAMDAT13
RAMDAT12
RAMDAT16
RAMDAT11
RAMDAT10
RAMDAT9
RAMDAT17
RAMDAT8
RAMDAT18
RAMDAT7
RAMDAT6
RAMDAT5
RAMDAT19
RAMDAT4
RAMDAT3 RAMDAT20
RAMDAT2
RAMDAT1
RAMDAT0 RAMDAT21
RAMADD12
RAMDAT22
RAMADD11
RAMADD10
RAMADD9
RAMDAT23
RAMADD8
RAMADD7
RAMADD6
RAMADD5
RAMADD4
RAMADD3
RAMADD2
RAMADD1
RAMADD0
PCLK
RAMCLE
RAMDQM
RAMWE
RAMADD10
RAMCAS
RAMRAS
RAMADD0
RAMCS
RAMADD1
RAMBA0
RAMBA1
RAMADD2
PNVMCE
RAMADD3
RESET
FROM/TO AV IN/OUT
+3.3V
A 5/6
GND
2
3
SDRAM (128or256Mbit)
IC4004 MT48LC8M16A2P-7E
C4153
3.3
VCC
0.01 B 0.1
DQ0
C4048
3.3
VCCQ
0.1 F 0.2
DQ1
0.1
DQ2
0
VSSQ
0.1
DQ3
0.1
DQ4
3.3
VCCQ
0.1
DQ5
0.2
DQ6
0
VSSQ
0.3
DQ7
C4049
3.3
VCC
RAMDQM 0.1 F 0
LDQM
RAMWE 3.3
WE
RAMCAS 3.3
CAS
RAMRAS 3.3
RAS
RAMCS 3.3
CS
1.3
A13 (BA0)
1.4
A12 (BA1)
0.8
A10
0.2
A0
0.1
A1
0.1
A2
0.1
A3
C4052
3.3
VCC
0.1 F
C4154
0.001 B
SDRAM (128or256Mbit)
IC4005 MT48LC8M16A2P-7E
C4155
3.3
VCC
0.01 B 0
DQ0
C4050
3.3
VCCQ
0.1 F 0
DQ1
0
DQ2
0
VSSQ
0
DQ3
0
DQ4
3.3
VCCQ
0
DQ5
0
DQ6
0
VSSQ
0
DQ7
C4051
3.3
VCC
RAMDQM 0.1 F 0
LDQM
RAMWE 3.1
WE
3.1
RAMCAS
CAS
RAMRAS 3.0
RAS
2.8
RAMCS
CS
RAMBA0 1.4
A13 (BA0)
1.4
RAMBA1
A12 (BA1)
0.4
A10
0.4
A0
0.3
A1
0.6
A2
0.6
A3
C4053
3.3
VCC
0.1 F
C4156
0.001 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DVR-RT501-S
3
4
0
VSS
0.5 RAMDAT15
DQ15
0
VSSQ
0.6 RAMDAT14
DQ14
0.4 RAMDAT13
DQ13
C4055
3.3
VCCQ
0.5 0.1 F RAMDAT12
DQ12
0.6
RAMDAT11
DQ11
0
VSSQ
0.7
RAMDAT10
DQ10
0.5 RAMDAT9
DQ9
C4056
3.3
VCCQ
0.7 0.1 F RAMDAT8
DQ8
0
VSS
0
NC NC NC
0 RAMDQM
UDQM
1.5 PCLK
CLK
3.3 RAMCLE
CKE
0 RAMADD12
A12
0 RAMADD11
A11
0 RAMADD9
A9
0.2 RAMADD8
A8
0
RAMADD7
A7
0.1 RAMADD6
A6
0.1
RAMADD5
A5
0.1 RAMADD4
A4
0
VSS
0
VSS
0.7
RAMDAT31
DQ15
0
VSSQ
0.1
RAMDAT30
DQ14
0.1 RAMDAT29
DQ13
C4057
3.3
VCCQ
0.1 0.1 F RAMDAT28
DQ12
0.1 RAMDAT27
DQ11
0
VSSQ
0.1 RAMDAT26
DQ10
0.1 RAMDAT25
DQ9
C4058
3.3
VCCQ
0.2 0.1 F RAMDAT24
DQ8
0
VSS
16
0
NC NC NC
0 RAMDQM
UDQM
1.5
PCLK
CLK
3.3 RAMCLE
CKE
0.1
RAMADD12
A12
0.2 RAMADD11
A11
0.1
RAMADD9
A9
0.5 RAMADD8
A8
0.5
RAMADD7
A7
0.5 RAMADD6
A6
0.5 RAMADD5
A5
0.5 RAMADD4
A4
0
VSS
4