Yamaha TSX-10 Service Manual page 22

TSX-10/15/20
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IC201 : M30217MA-A209FP (Mask Rom)
M30218FCFP (Flash Rom)
No. Name Port
1 P97 DA0
2 P96 SCLK22
3 P95 SCLK21
TE
4 L 13942296513 P94 SOUT2
5 P93 SIN2
6 P92 (SSTB)
7 P91 (SBUSY)
8 P90 (SRDY2)
9 CNVSS –
10 P87 XCIN
11 P86 XCOUT
12 RESET –
13 XOUT –
14 VSS –
15 XIN –
16 VCC –
17 P85 (INT5)
18 P84 (INT4)
19 P83 (INT3)
20 P82 INT2
21 P81 INT1
22 P80 INT0
23 P77 CMOS
24 P76 CLK1
25 P75 RxD1
26 P74 TxD1
27 P73 (TA3in)
28 P72 (TB2in)
29 P71 (TB1in)
30 P70 (TB0in)
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31 P47 (CTS0)
32 P46 CLK0
33 P45 RxD0
.
34 P44 TxD0
35 P43 (FLD51)
36 P42 (FLD50)
37 P41 (FLD49)
38 P40 (FLD48)
21
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16 bit µ-COM
SEGMENT28
81
SEGMENT29
82
SEGMENT30
83
SEGMENT31
84
SEGMENT32
85
SEGMENT33
86
SEGMENT34
87
SEGMENT35
88
VEE
89
VPROTEC
90
A/D IN 91
/CMDSEL
92
LDR CTR
93
CLOSE 94
MUTE
95
/MNRST 96
AVSS 97
/QSEL
98
VREF 99
AVCC 100
IN/OUT
OUT Air cooling fan control OUT (D-A) (OUT for checking clock at 32.768 kHz/test mode)
S-CLK2 [CD] SQCK
S-CLK1 [CD] MCLK CLK OUT
S-OUT [CD] SOUT DATA OUT
S-IN [CD] SIN DATA IN
OUT [CD] CD tray OPEN output
IN Rotary encoder B IN
IN Rotary encoder A IN
– Connected to Vss (GND) via a resistor (5.1k )
– 32.768 kHz IN
– 32.768 kHz OUT
– RESET
– 10 MHz OUT
– GND
– 10 MHz IN
– Power supply +5V
OUT [CD] GCTRL
OUT [CD] DRV
OUT [CD] FEOF
IN [CD] BLKCK
INT-IN Remote control IN
INT-IN Power down DC detect IN
2
OUT C B (LC72131/LC72720/LC75342M) CE OUT
S-CLK LC72131/LC72720/LC75342M CLK OUT
S-IN LC72131/LC72720 DATA IN
S-OUT LC72131/LC72720/LC75342M DATA OUT
OUT NC
OUT [CD] DMUTE
OUT [CD] /MLD
OUT CE OUT to E 2 PROM
OUT Busy OUT from built-in flash ROM / Extension port (BU2092) LCK (latch) OUT
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S-CLK CLK IN to built-in flash ROM / E
y
S-IN DATA IN to built-in flash ROM / DATA IN from E
i
S-OUT DATA OUT from built-in flash ROM / E
OUT NC
IN [CD] /TLOCK
IN [CD] /FLOCK
IN [CD] STAT
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2 9
8
Function
Q Q
3 6 7 1 3 1 5
[Backup chemical capacitor for clock required]
co
2 PROM / CLK OUT to BU2092
2 PROM
.
2 PROM / DATA OUT to BU2092
9 4 2 8
DIGIT2
50
DIGIT3
49
DIGIT4
48
DIGIT5
47
DIGIT6
46
DIGIT7
45
DIGIT8
44
DIGIT9
43
DIGIT10
42
DIGIT11
41
40 DIGIT12
DIGIT13
39
STAT
38
37 /FLOCK
/TLOCK
36
35 NC
34 ROM DATA OUT
ROM DATA IN
33
32 ROM CLK OUT
31 LCK OUT
(Serial I/O - 2)
(Serial I/O - 2)
0 5 8 2 9 (Serial I/O - 2) 9 4 2 8
(Serial I/O - 2)
[Pull-up resistor required]
[Pull-up resistor required]
(Built-in feedback resistor)
(Built-in feedback resistor)
[0: RESET]
(Built-in feedback resistor)
(Built-in feedback resistor)
[0: POWER DOWN]
[1: DATA transfer]
(Serial I/O-1)
(Serial I/O-1)
(Serial I/O-1)
m
[1: DATA transfer (E2PROM)]
(Serial I/O-0)
(Serial I/O-0)
(Serial I/O-0)
9 9
9 9