Sony HCD-ED2 - 6-17. IC PIN FUNCTIONS

30
Pin No.
Pin Name I/O Function
1 GND I GND
2 XOUT O 8MHz Oscillator
3 XIN I 8MHz Oscillator
4 RESET I CPU reset input
5 TUNED I Station detector input
6 STEREO I Stereo signal input
7 TEST I No Use, Tied to low
8 POWDEC I Power down detect
9 REMOTE I Remote signal input
10 PLL-CE O LC72131 chip enable output
11 PLL-CLK O LC72131 clock output
12 PLL-DATAI I LC72131 data input
13 PLL-DATAO O LC72131 data output
14 CLOCK O Servo command clock output
15 SUB-Q I Servo subq data & status input
16 DATA O Servo command data output
17 MUTE_D O Digital mute control output
18 CDPORWER O CD power supply
19 RDS-DATA I BU1922 RDS data input
20 HOLD O Servo search Hi output
21 SENSE I Servo status SENSE input
22 SQCK O Servo subq/sense read clock output
23 XLAT O Servo command latch output
24 XRST O Servo chip reset output
25 SCOR I Servo SUBQ sync input
26 RDS_CLK I BU1922 RDS clock input
27 MTRSNS I Tape motor reel sense input
28 SLEEP O Digital Amp sleep control
29 MOTOR O Tape control output for Motor
30 SOL O Tape control output for Solenoid
31 SPRELAY O Power on/off RELAY control
32 PLYMUTE O Tape play back mute signal output
33 REC/PB O Tape control output for REC/PB
34 DOLBYNR O Tape control output for DOLBY NR
35 BIAS O Tape control output for BIAS
36 MDMUTE O MD/REC ON mute output
37 VOL-CLK O M62442 audio control clock output
38 VOL-DATA O M62442 audio control data output
39 VOL-STB O M62442 audio control strobe output
40 KEYIO-1 I AD key input (16 keys)
41 KEYIO-2 I AD key input (16 keys)
42 BANDAREA I Band area option
43 CDTOUCH I CD door open/close touch sensor
44 OP/CL SW I CD loading open/close sw
open = 2.5V, close = 0V
6-17. IC PIN FUNCTIONS
• IC201 MASTER CONTROL (TC9901) (DYSPLAY Board)