Pioneer CD-8400, Руководство по обслуживанию

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PD-F957,PD-F907
36
7. GENERAL INFORMATION
7.1 PARTS
7.1.1 IC
No. Pin Name I/O Function
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
16 VDD +5V +5V
17
CLOK
O Serial clock.
18
MDAT
O LSI control data.
19
SQSO
I Serial input.(
Q data/fcok/gfs/sens/clmp/eject/insd
)
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 - O L: output.
24 SRDT I CD TEXT data input.
25
AVSS
– GND
26
LIN
O Lauding motor output.
27
LOUT
O
28
CLED/TEST
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
RMDT
I Remote control data input.
40
VSS
GND GND
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
47 STBL 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
69 S19 O
70 S18 O
71 S17 O
72 S16 O
73 S15 O
74 S14 O
75 S13 O
76 S12 O
77 S11 O
78 S10 O
79 VLOAD -26V -26V
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
No. Pin Name I/O Function
PD4934B (IC701:DISPLAY BOARD ASSY)
SYSTEM CONTROL MICRO COMPUTER
Pin 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)
IN(LIN:H,LOUT:L)
OUT(LIN:L,LOUT:H)
Stop(LIN:L,LOUT:L)
The information shown in the list is basic information and may
not correspond exactly to that shown in the schematic diagrams.