Sony TC-SP55, Руководство по обслуживанию

Страница: 19 / 24

19
1 VCC — Power supply.(+5V)
2 VREF — Analog Reference Voltage.
3 AVSS — Ground.
4 NC — Not used.
5 NC — Not used.
6 P.DOWN I POWER DOWN signal control signal input. H: Normal L: STANDBY mode
7 DOLBY O DOLBY B NR control signal output. H: ON L: OFF
8 AMS IN I AMS search signal input.
9 NC — Not used.
10 NC — Not used.
11 NC — Not used.
12 NC — Not used.
13 I2C-CLK I/O IIC bus clock input/output.
14 I2C-DATA I/O IIC bus data input/output.
15 CNVSS — Connected to ground.
16 BIAS O REC bias control signal output. H: ON L: OFF
17 +MTR O Capstan Motor control. H: ON L: OFF
18 RESET I Reset signal input. L: RESET
19 XIN I Ceramic oscillator input.(8MHz)
20 XOUT O Ceramic oscillator output.(8MHz)
21 VSS — Ground.
22 SYNC REC LED O CD SYNC LED control signal output. H: OFF L: ON
23 REC LED O REC LED control signal output. H: OFF L: ON
24 PAUSE LED O PAUSE LED control signal output. H: OFF L: ON
25 FWD LED O FWD LED control signal output. H: OFF L: ON
26 REV LED O REV LED control signal output. H: OFF L: ON
27 TC-RELAY O Head REC/PB select signal output. H: REC L: PB
28 PLAY SW I MC PLAY switch signal input.
29 +SOL O MC mode exchange solenoid control signal output.
30 REC/PB/PASS I/O REC/PB/PASS select . H: REC PASS L: REC mode 1/2Vcc: PB MODE
31 REC MUTE O REC MUTE control. H: ON L: OFF
32 TC-MUTE O TC LINE MUTE control signal output. H: ON L: OFF
33 ALC O Automatic level control signal output. H: OFF L: ON
34 LOAD IN SW I Detection input from the tray open/close switch. H: LOAD IN
35 LOAD OUT SW I Detection input from the tray open/close switch. L: LOAD OUT
36 LOAD IN O Tray loading motor LOAD IN signal output. H: ON L: OFF
37 LOAD OUT O Tray loading motor LOAD OUT signal output. H: ON L:OFF
38 PACK I
Detection input from the cassette half switch. H: HALF OFF L: HALF ON (H:without a half L: within a half)
39 B-HALF I REC proof detect signal input.
40 SENSOR OUT I Reel senser signal input.
41 KEY1 I Key input.
42 KEY0 I Key input.
Function Pin Name Pin No. I/O
• IC701 M38513M4-C59FP SYSTEM CONTROL (MAIN BOARD)
7-6. IC PIN FUNCTIONS
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com