Block Diagram - Main Section - Sony DPP-MS300E Service Manual

DPP-MS300E
5-2. BLOCK DIAGRAM – MAIN Section –
RESET
A
(Page 5-9)
A/D, D/A CONVERTER,
MEMORY BUS CONTROL
D-RAM IC407 (2/2)
IC403
UCAS 30 124 MCSX
LCAS
31
RAS 14 123 MRSX
WE 13 125 MWEX
PCS
B
97 PCSX
(Page 5-9)
WR, RD
C
(Page 5-9)
WR, RD, CS
D
(Page 5-7)
RD
E
(Page 5-5)
05
1
4
2
IC502
RESET SWITCH
51 44 108
1/2 DIVIDER
ICKI 113 107
CK
IC406
BSH 104 1 BSH
STRS 103 5 VTRS
SVBK 102 67 VBLK
VRSR 100 3 VRSR
VWR
SVW 99 4
CS6
SC6X 107
2
WR 3
SWITCHING
106
SWEX 1
IC513 (1/4) IC510 1
4
4
RD 6
SWITCHING
SRDX 105
5
IC513 (2/4)
12
RD 11
SWITCHING
13
IC513 (3/4)
10
WE 8
SWITCHING
9
IC513 (4/4)
1
RAS0 4
SWITCHING
SRSX 109 2
IC511
HCAS
SCSX 110
D0 – D15
D0 – D15
2 – 5, 7 – 10,
41 – 44, 46 – 49
A1 – A14
5-3
FOR CHECK
6 5 4 7 8 CN551
RESET SIGNAL
GENERATOR +5V
IC501
D513
133 134 99 102
50 36 143 34 32 31 48 43 56 57
2
LATCH
IC514
5 2
Q D
IC515
3 1
CK
Q
2
4
RD
36
OE
WE
WE 13
RD
D-RAM
UCAS 37
IC509 WR
LCAS 38
14
RAS
A0 – A11
19 – 24, 27 – 32
ADDRESS BUS
DATA BUS
TIMER
IC1700
D1750
VDD +5V
14
BT1701
LITHIUM
BATTERY
11 12 6 8
BZ201
(BUZZER)
BUFFER
Q2000
131 130 132 29 33 110
SYSTEM CONTROLLER
IC503 (1/4)
41 113 118 119 120
S1719
INPUT SELECT
ROTARY
SWITCH
S1701
(FUNCTION SELECT)
VIDEO MOTION
S1706 – 1708,
S1710 – 1715, 1717, 1718
VIDEO STILL
MEMORY STICK
/PC CARD
30 CE
ROM
32 OE
IC506
7
WE
A0 – A17
DQ0 – DQ7
20 – 13, 3, 2, 31, 1,
21 – 23, 25 – 29
12, 4, 5, 11, 10, 6
ADDRESS BUS
DATA BUS
5-4
CT500
FREE-RUN
FREQUENCY (2)
X503
7.159MHz
96 94
A0 – A17
D0 – D15
92 – 88, 86, 84 – 80, 7 – 11, 13,
78, 76 – 73 15 – 25, 27
ADDRESS BUS
DATA BUS
D0 – D7
F
(Page 5-8)
A0 – A10
G (Page 5-8)
D0 – D7
H (Page 5-5)
D0 – D15
I
(Page 5-9)
A1 – A12
J (Page 5-9)