Teac AG-10D Service Manual page 6

3-2 Pin Functions
Pin No. Symbol
1~2 G1/G2
3 VDD
4 P/D
5 VOL. UP
6 RDS CLK
7 VOL. DOWN
8 RMC
9 RDS DATA
10 SPK LED
11 CLK 72131
12 PROTECTION
13 STEREO
14 IF COUNT
15 CLK 61516
16 DATA 61516
17 KEY IN3
18 KEY IN2
19 KEY IN1
20 FUNC_DN
21 FUNC_UP
22 DATA 72131
23 CE 72131
24 CDI 49326
25 CLK 4112/4529/49326
26 SDI 4112/4529/49326
27 CDI 4112
28 AVREF
29 VSYNC
30 TUNED
31 CS 49326
32 SV-DET
33 INTERQ 49326
34 P/D4112,4529
35 STEP_OPT
36 LATCH M61516
37 GND
38 RESET
39 EXTAL
40 XTAL
41 GND
42 NC
43 GND
44 +5V BACK UP
45 VFDP
GRID FL PORT
PULL UP(N.C)
Input for power down.
Input for main volume up.
Clock signal output for BU1924.
Input for main volume down.
Input for remocon data.
Input for RDS data of BU1924.
Output to drive speaker LED. (At "H", it is active.)
Clock signal output for 72131.
Input for detecting "PROTECTION" condition.
Input for detecting "STEREO" condition.
Input for detecting TUNER FREQUENCY.
Clock signal output for M61516.
Data signal output for M61516.
Data input for key scan.
Data input for key scan.
Data input for key scan.
Input for function encoder down
Input for function encoder up
Data signal output for 72131.
Chip enable signal output to 72131.
Data signal input for CS49326.
Clock signal output for AK4112/AK4529/CS49236.
Data signal output for AK4112/AK4529/CS49326.
Data signal input for AK4112.
Reference voltage. (Connected to +5V, Not VDD.)
Input for detecting synchronization signal output from BA7046
Input for detecting "TUNED" condition. (At "L", it is active.)
Chip select signal output to CS49326
Input for detecting S-VIDEO input signal (At "H", it is active.)
Interrupt signal output to CS49326
Input for AK4112/AK4529power down.
Input for selecting the frequency ranges steps of FM and AM.
( 3.4V : RDS, 5V : without RDS Receiver)
Chip enable signal output to M61516.
GROUND
Input for resetting the CPU. (At "L", it is active.)
Input for 10MHz crystal oscillator.
Output for 10MHz crystal oscillator.
Ground.
Not used!
Ground.
+5V power supply.
-30V Supply
−6−
Description