Yamaha TSX-10 Service Manual page 24

TSX-10/15/20
QQ
3 7 63 1515 0
IC201 : M30217MA-A209FP (Mask Rom)
M30218FCFP (Flash Rom)
• Extention OUT port (IC202: BU2092 / F)
Pin No. Name
5(5) Q0 Tuner MUTE OUT (TUNER)
6(6) Q1 AMP MUTE OUT
7(7) Q2 AUX REC OUT MUTE control OUT
8(8) Q3 Blue LED control OUT
9(9) Q4 Speaker relay OUT
10(10) Q5 Power supply relay (Power ON) OUT
11(11) Q6
12(14) Q7
13(15) Q8 TC74HC4051A 1/2 select OUT
14(16) Q9 TC74HC4051A control A OUT
15(17) Q10 TC74HC4051A control B OUT
16(18) Q11 TC74HC4051A control C OUT
* Figures in ( ) represent pin terminal numbers of BU2092/FV.
• Extension IN port 1 (IC203: TC74HC4051A) A-D input
Pin No. Name
1 4 Destination select input (TUNER)
2 6
4 7
TE
L 13942296513
5 5 Temperature sensor input
12 3 KEY 2 input
13 0 Extension IN port 2 (TC74HC4051A) OUT enter IN
14 1 KEY 0 input
15 2 KEY 1 input
• Extension IN port 2 (IC204: TC74HC4051A) input
Pin No. Name
1 4 Power amplifier excess current DC voltage detect IN
2 6 Headphone detect IN
4 7
5 5 STATION IN (TUNER)
12 3 STEREO/MONO IN (TUNER)
13 0 /OPSW CD tray OPEN detect SW IN
14 1 /CLSW CD tray CLOSE detect SW IN
15 2 /FLSW CD feed end detect SW IN
www
.
23
http://www.xiaoyu163.com
16 bit µ-COM
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Function
Function
Q Q
3 6 7 1 3 1 5
Function
co
.
9 4 2 8
[1: MUTE ON]
[0: MUTE ON]
[0: MUTE ON]
[0: ON]
[0: ON 1: OFF]
[0: ON 1: OFF]
[0: IN-2 1: IN-1]
[Pull-up required]
[Pull-up required]
[Pull-up required]
[Pull-up -> VREF at 10k ]
0 5 8 2 9 9 4 2 8
[0~VREF]
[Pull-up -> VREF at 10k ]
[Connected to 3 pin of IC204]
[Pull-up -> VREF at 10k ]
[Pull-up -> VREF at 10k ]
[1: abnormality exists]
[0: SP 1: HP]
[0: station exists]
[0: STEREO]
m
9 9
9 9