General Information; Parts - Pioneer PD-F958 Service Manual

PD-F958, PD-F908
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7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
PE5032A (IC701:DISPLAY BOARD ASSY)
SYSTEM CONTROL MICRO COMPUTER
Pin Function
No. Pin Name I/O
1 VDD +5V +5V
2 CLS I Hood open/close SW input.
3 OPEN I Open (CLS:H ,OPEN:L),Close (CLS :L,OPEN:H)
4 DCNT I Disc count pulse input.
5 DPOS I Disc position detection pulse input.
6 DSLT O Selecter output.
7 DSRT O
8 MCLS O Hood motor output.
9 MOPN O
10 RESET I CPU Reset.(L: RESET )
11 X2 – Crystal connection for system clock oscillation
12 X1 – :4.19MHz.
13 IC GND GND
14 XT2 – NC (OPEN)
15 GND I GND
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16 VDD +5V +5V
17 O Serial clock.
CLOK
18 O LSI control data.
MDAT
19 I Serial input.(
SQSO
20 XLAT O LSI control data latch pulse output.
21 XRST O Reset input fof each LSI.
22 SCLK O CD TEXT timing data clock output.
23 STBL O L: output.
24 SRDT I CD TEXT data input.
25 AVSS – GND
26 LIN O Lauding motor output.
LOUT
27 O
28 CLED I/O Center LED control (ON:H , OFF:input)
29 DQSY I CD TEXT data input.
30 MUTB O Muting output (L:MUTE)
31 SYC3 O Synchronous output.
32 SYC1 I Synchronous input.
33 DLAT O DAC control data latch pulse output.
34 AVDD +5V +5V
35 AVREF GND GND
36 CNIN I C.OUT input.
37 TRST O CD TEXT decooder reset output. (L: reset)
38 SCOR I Subcode sync SO+S1 input.
39 SR IN I Remote control data input.
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40 GND GND
VSS
41 QSEL O Signal output for Q DATA expansion
42 MUTE O Muting output for expansion. (MUTE:H)
.
43 TRCH O Data serial output for expansion.
44 SCL O EEPROM clock output
45 SDA I/O EEPROM data IN/OUTPUT
46 VDD +5V +5V
36
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Function
Count up(DSRT:L,DSLT:H)
Count down(DSRT:H,DSLT:L)
Stop(DSRT:L,DSLT:L)
Open(MOPN:H,MCLS:L)
Close(MOPN:L,MCLS:H)
Stop(MOPN:L,MCLS:L)
Q data/fcok/gfs/sens/clmp/eject/insd
IN(LIN:H,LOUT:L)
OUT(LIN:L,LOUT:H)
Stop(LIN:L,LOUT:L)
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8
The information shown in the list is basic information and may
not correspond exactly to that shown in the schematic diagrams.
No. Pin Name I/O
47 PW ON O Standby - led /osce.
48 KD3 I
49 KD2 I Key data input.
50 KD1 I
51 KD0 I
52 S36 O
53 S35 O
54 S34 O
55 S33 O
56 S32 O
57 S31 O
58 S30 O
59 S29 O
60 S28 O
61 S27 O
62 S26 O
63 S25 O
64 S24 O FL driving segment output.
65 S23 O
66 S22 O
67 S21 O
68 S20 O
Q Q
69 S19 O
3 6 7 1 3
70 S18 O
71 S17 O
72 S16 O
73 S15 O
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74 S14 O
75 S13 O
76 S12 O
77 S11 O
78 S10 O
79 VLOAD -34V -34V
80 S9 O
81 S8 O
82 S7 O
83 S6 O
84 S5 O
85 S4 O
86 S3 O
87 S2 O
88 S1 O
89 G12 O
90 G11 O FL driving segment output.
91 G10 O
92 G9 O
93 G8 O
94 G7 O
95 G6 O
96 G5 O
.
97 G4 O
98 G3 O
99 G2 O
100 G1 O
9 4 2 8
Function
1 5 0 5 8 2 9 9 4
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