Ic Pin Function; Ic201 Master Control - Sony HCD-ED1 Service Manual

5-2. IC PIN FUNCTION

• IC201 MASTER CONTROL (TC9613)
Pin No. Pin Name
1 GND
2 XOUT
3 XIN
4 RESET
5 TUNED
6 STEREO
7 TEST
8 POWDEC
9 REMOTE
10 PLL CE
11 PLL CLK
12
PLL DATAI
13 PLL DATAO
14 SERVO CK
15 SUB Q
16
DATA
17 MUTE D
18 CDPOWER
19 CLOSESW
20 FSW
21 SENSE
22 MLAT
23 XLAT
24 XRST
25 SCOR
26 PLAYSW
27 MTRSNS
28 TAPEIN
29 MOTOR
30
SOL
31 AMS
32 PLYMUTE
33 REC/PB
34 DOLBYNR
35 RECMUTE
36 BIAS
37 REC LED
38 CD SYNC
39
WIDE
40 KEYIO 1
41 KEYIO 2
42 BANDAREA
43 N.C
44
LOUDSEL
45 N.C
46 FRECSW
47 RRECSW
48
AREF
49 AGND
50 GND
I/O
—
Ground
O 8 MHz Oscillator output
I 8 MHz Oscillator input
I CPU reset input
I Station detector input
I Stereo signal input
I Test pin (Connected to ground)
I Power down detect input
I Remote signal input
O
Chip enable output
O Clock output
I Data input
O Data output
O Servo clock output
I
Servo subq data & status input
O Servo command data output
O Digital mute control output
O CD power supply output
I Top loading close switch input
O Servo focus down output
I Servo status SENSE input
O D/A MLAT output
O Servo command latch output
O
Servo chip reset output
I Servo SUBQ sync input
I Tape play switch input
I Tape motor reel sense input
I
Tape in switch input
O
Tape control output
O Tape control output
I Tape music search input
O Tape play back mute signal output
O
Tape control output
O Tape control output
O Tape recording mute signal output
O Tape control output
O Record LED output
O CD SYNC LED output
O Wide LED output
I AD key input (16 keys)
I AD key input (16 keys)
—
Band area option (Not used)
— Not used
I Loudness initial select input
— Not used
I
Tape forward record switch input
I
Tape reverse record switch input
I A/D convert refrence input (+5V)
I A/D convert Input ground input
— Ground
– 14 –
Function