Sdram - Sony DVP-CX860 Service Manual

For Schematic Diagram
• Refer to page 4-11 for printed wiring board.
1 2 3
MB-94 BOARD(3/10)
16M SDRAM
A
-REF.NO.:10000 SERIES-
SDAD0
SDAD0
SDAD1
SDAD1
SDAD2
SDAD2
SDAD3
SDAD3
SDAD4
SDAD4
SDAD5
SDAD5
78
TO(2/10) SDAD6
SDAD6
B
SDAD7
SDAD7
SDAD8
SDAD8
SDAD9
SDAD9
SDAD10
SDAD10
SDAD11
SDAD11
SDDT0
SDDT0
SDDT1
SDDT1
SDDT2
C
SDDT2
SDDT3
SDDT3
SDDT4
SDDT4
SDDT5
SDDT5
SDDT6
SDDT6
76 SDDT7
TO(2/10)
SDDT7
SDDT8
SDDT8
SDDT9
SDDT9
SDDT10
D SDDT10
SDDT11
SDDT11
SDDT12
SDDT12
SDDT13
SDDT13
SDDT14
SDDT14
SDDT15
SDDT15
E
SDDQM0
SDWE
SDCAS
SDRAS
SDCS0
SDCS1
77
TO(2/10)
F
SDDQM1
SDRCK
SDCKE
G
VIDEOV
65
TO(2/10)
VIDEOC
VIDEOY
H
B+
1 TO(1/10,2/10,5/10,
6/10,8/10,9/10)
+5V
TO(1/10,2/10,4/10,
3 D_GND
5/10,6/10,7/10,
8/10,9/10,10/10)
WIDE
39
TO(7/10)
40 POFF
TO(7/10)
I
VIDEOG
47
TO(2/10)
VIDEOB
VIDEOR
SIGNAL PATH
J
CHROMA
16
PB
4 5 6
IC504
16M SDRAM
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
VIDEOV
VIDEOC
VIDEOY
C505
10u
FL505
FB501 FB502
10V
VIDEOG
VIDEOB
VIDEOR
VIDEO SIGNAL
Y Y/CHROMA
4-17
7 8 9 10
IC505
16M SDRAM
29 28 27 26 50 49 48 47 46 45 44 43 42 41 40 39 38 37
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
TO AI-20 BOARD(1/3)
CN102
(SEE PAGE 4-33)
CN502 28P
JL504
28 D_GND 3.3V 27
R512
JL505
0
26 VIDEOV 3.3V 25
24 VV_GND GND 23
R513
JL506
0
22 VIDEOC 11V 21
20 VYC_GND 11V 19
R514
JL507
0
18 VIDEOY M_GND 17
16 D_GND M_GND 15
JL512 JL513
14 5V 5V 13
JL508
12 D_GND VR_GND 11
R515
JL509
0
10 WIDE Cb_or_R 9
8 VS_GND VB_GND 7
R516
JL510
0
6 Y_or_G Cr_or_B 5
4 D_GND 1.8V 3
JL511
2 POFF 1.8V 1
11 12 13
36 35 34 33 32 31 30 29 28 27 26
B+
FL508
FB503 FL506 B+
JL514 JL501 FB505
+3.3V 2 TO(1/10,2/10,4/10,5/10,6/10,
C523 7/10,8/10,9/10,10/10)
10u
10V
FB504 FL507 FB506 B+
JL515 JL502
11V
C524
47u 41
TO(5/10)
JL516 16V
M_GND
R523
JL517
0
R524
JL518
0
FB507 B+
JL520 JL503
+1.8V 31
TO(2/10,10/10)
4-18
DVP-CX860/CX870D
16M SDRAM
MB-94 (3/10)