Teac AG-5D, Service Manual

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Pin No. Symbol Description
1~2 G1/G2 GRID FL PORT
3 VDD PULL UP(N.C)
4 P.DOWN Input for power down.
5 VOL. UP Input for main volume up.
6 RDS CLK Clock signal output for BU1924.
7 VOL. DOWN Input for main volume down.
8 RMC Input for remocon data.
9 RDS DATA Input for RDS data of BU1924.
10 NC Not used!
11 PLL_CE Clock signal output for 72131.
12 PROTECTION Input for detecting "PROTECTION" condition.
13 STEREO Input for detecting "STEREO" condition.
14
IF COUNT
Input for detecting TUNER FREQUENCY.
15 CLK 9273/7312 Clock signal output for M61516.
16 DATA 9273/7312 Data signal output for M61516.
17 KEY IN3 Data input for key scan.
18 KEY IN2 Data input for key scan.
19 KEY IN1 Data input for key scan.
20 FUNC_DN Input for function encoder down
21 FUNC_UP Input for function encoder up
22 DATA 62446/72131 Data signal output for 72131.
23 CLK 62446/72131 Chip enable signal output to 72131.
24 LATCH 62446 Data signal input for CS49326.
25 CLK 4112/4527/4926 Clock signal output for AK4112/AK4529/CS49236.
26 SDI 4112/4527/4926 Data signal output for AK4112/AK4529/CS49326.
27 CDI 4112/4926 Data signal input for AK4112.
28 VREF Reference voltage. (Connected to +5V, Not VDD.)
29 SPK_RLY Output to "Speaker Relay is ON/OFF" (At "H", it is active.)
30 TUNED Input for detecting "TUNED" condition. (At "L", it is active.)
31 CS 4926 Chip select signal output to CS49326
32 SV-DET Input for detecting S-VIDEO input signal (At "H", it is active.)
33 INTERQ 4926 Interrupt signal output to CS49326
34 P/D4112,4529 Input for AK4112/AK4529power down.
35 STEP_OPT Input for selecting the frequency ranges steps of FM and AM.
( 3.4V : RDS, 5V : without RDS Receiver)
36 CE 9273/7312 Chip enable signal output for TC9273/AL7312
37 GND GROUND
38 RESET Input for resetting the CPU. (At "L", it is active.)
39 EXTAL Input for 10MHz crystal oscillator.
40 XTAL Output for 10MHz crystal oscillator.
41 GND Ground.
42 NC Not used!
43 GND Ground.
44 +5V BACK UP +5V power supply.
45 VFDP -30V Supply
3-2 Pin Functions