Pioneer PD-F1007 Service Manual page 46

PD-F1007
No. Symbol Name I/O
71 Vss Vss –
72 P56/A14 IO2
O
73 P57/A15 IO3
74 P60 SCHK I
75 P61 MCHK I
76 P62 Not used
O
77 P63 Not used
78 P64/RD A16 O
79 P65/WR WE O
80 P66/WAIT CS O
81 P67/ASTB RD O
82 P100/TI5/TO5 MUTS O
83 P101/TI6/TO6 DSLT O
84 P102 DSRT O
85 P103 MOPN O
86 P30/TO0 MCLS O
M5M51008BFP–70LL (IC352: MAIN BOARD ASSY)
S-RAM
Block Diagram
A4 8
A5
7
A6
6
A7 5
A12
4
A14
3
A16 2
A15 31
A13 28
A8
27
A0 12
A2 10
A3
9
A10
23
A1 11
A11
25
A9
26
46
Description
GND
External RAM data Input/Output
Input for slave judgment (L: Slave)
Input for master judgment (L: Master)
Output of "L"
External RAM address line
Write control output (L: Write)
External RAM chip selection output
(H: Standby)
Read control output (L: Read)
Slave side mute output (L: Mute)
Selector output
Count-up (DSRT: L, DSLT: H)
Count-down (DSRT: H, DSLT: L)
Stopped (DSRT: L, DSLT: L)
Door motor output
Open (MOPN: H, MCLS: L)
Close (MOPN: L, MCLS: H)
Stop (MOPN: L, MCLS: L)
131072 Words
× 8 bits
1024 Rows
× 128 Columns
× 8 Blocks
Clock Generator
No. Symbol Name I/O
87 P31/TO1 LIN O
88 P32/TO2 LOUT O
89 P33/TI1 LDON O
90 P34/TI2 XRST O
91 P35/PCL TRST O
92 P36/BUZ CLED O
93 P37 PLED O
94 P90 Not used O
95 P91 TRST I
96 P92 MSOT O
97 P93 SLOT O
98 P94 HBIT I
99 P95 TEST I
100 P96 DQSY I
Description
Output for loading motor
IN (LIN: H, LOUT: L)
OUT (LIN: L, LOUT: H)
Stop (LIN: L, LOUT: L)
Laser diode output (H: ON, L: OFF)
Reset output for each LSI
CD TEXT decoder IC reset output
(L: Reset)
Center LED lighting control (H: Lit)
Sensor output for disc detection
(H: Lit)
Output of "L"
Test mode input for checker (H: Test)
Master control output (control of the
slave)
Slave output (response to the master)
Hi-bit correspondence switching
input (H: Hi-bit correspondence)
Test mode switching input
(H: Test mode)
CD TEXT data timing input
13 DQ1
DQ2
14
DQ3
15
17 DQ4
18 DQ5
DQ6
19
20 DQ7
21 DQ8
29 W
22
S1
30 S2
24 OE
VCC (5V)
32
GND (0V)
16