Sharp MD-X7H Service Manual page 120

MD-X8H
IC901 RH-iX2679AFZZ:System Control Micon(iX2679AF)
(EX MD) SW1 DUBB MODE
1
(EX MD) SW2 STOP
2
(EX MD) SW3 SKIP +1
3
(EX MD) SW4 SKIP +10
4
(EX MD) SW5 PLAY NORMAL
5
(EX MD) SW6 PLAY 1TRACK
6
(EX MD) SW7 NEXT
7
(EX MD) SW8 DATA SELECT
8
(EX MD) SW9 NAME SELECT
9
(AUDIO) SRS PASS/ON
10
(AUDIO) 4052 A
11
(AUDIO) 4052 B
12
(DISP) LED1 M>M EDIT
13
(DISP) LED2 C>M EDIT
14
(DISP) LED3 M REC
15
(DISP) LED4 M PLAY
16
(DISP) LED5 C PLAY
17
(DISP) LED6 DISC1 PLAY
18
(DISP) LED7 DISC2 PLAY
19
(DISP) LED8 DISC3 PLAY
20
(DISP) LED9 MD IN
21
(DISP) LED10 COMPUTER
22
(DISP) LED11 SRS-SRND
23
Not used
24
(MD) RESET
(MD) S-ID
(MD)
LOAD
(MD) SYN
(EXP) DATA
(EXP) CLK
(EXP) LCK1
(EXP) LCK2
To be connected to VDD
(LCD.DRV) CSB
(LCD.DRV) RS
(LCD.DRV) WRB
(LCD.DRV) RDB
(LCD.DRV) D0
(LCD.DRV) D1
(LCD.DRV) D2
(LCD.DRV) D3
(LCD.DRV) D4
(LCD.DRV) D5
(LCD.DRV) D6
(LCD.DRV) D7
To be connected to VSS
Motor voltage L/H
Cam motor forward rotation
Cam motor reverse rotation
Tray motor forward rotation
Tray motor reverse rotation
Not used
Cam SW1
Cam SW2
(Allocation through CD DSP expansion port)
Motor voltage L/H
CD EH mechanism
Tray motor -
motor control
Tray motor+
Cam motor-
Cam motor+
1 0099 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
P60
1
P61
2
P62
3
P63
4
P64
5
P65
6
P66
7
P67
8
V
DD 9
P100
10
P101
11
P102
12
P103
13
P30
14
P31
15
P32
16
P33
17
P34
18
P35
19
P36
20
P37
21
TEST
22
P90
23
P91
24
Since Nch open drain is used,
P92
25
external pull-up is required.
P93
26
P94
27
P95
28
P120
29
P121
30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
CD EH mechanism
detection switch
Figure 84 BLOCK DIAGRAM OF IC
MIC detection and DSTB port replacement
DSTB input must be through INTP6 interruption port.
P06->INTP6; MIC detection -> (MD)DST
Change to input port
P23; (MD)DSTB Change to MIC detection input
P131; Naming is changed to illumination ON/OFF
P130: Illumination output port in OFF state ->
P72; Not used -> To be used as output port of
P54; SD input -> Function is added as FAN MOTOR
P55; Not used -> To be used as (MD) P.DOWN
output port. Function is added.
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
– 84 –
switching
Change to SD input port
(MD)V.LOAD. Function is added.
output.
P84 (CD) SL-
P83 (CD) SL+
P82 (CD) DRF
P81 (CD) WRQ
P80 (CD) RES
SCK0 (CD) CQCK
SO0 (CD) COIN
SI0 (CD) SQOUT
P24 (CD) RWC
P23 (AUDIO) MIC detection
SCK1 (MD) DSCK
SO1 (MD) K-DATA
SI1 (MD) MD-DATA
P72 (MD) V.LOAD
TXD2 (232C) OUT
RXD2 (232C) IN
AV Not used, to be connected to VDD
REF1
P131 Illumination ON/OFF selection
P130 (IF MPX) SD
AV To be connected to VSS
SS
AN17 (RDS) VSM
P16 SPAN selection (9/10K)
AN15 Initial setting
AN14 Spare, to be connected to VSS
AN13 KEY3
AN12 KEY2
AN11 KEY1
AN10 KEY0
AV
To be connected separately from VDD
REF0
AV To be connected to VDD
DD