Sony TC-TX313 - IC Pin Description

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6-8. IC PIN DESCRIPTION
• IC04 µPD75108GF-N14-3BE (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 RVS REC RELAY O RVS REC relay control output (Not used in this set.)
2 FWD REC RELAY O FWD REC relay control output (Not used in this set.)
3 RVS PLAY RELAY O RVS PLAY relay control output (Not used in this set.)
4 FWD PLAY RELAY O FWD PLAY relay control output (Not used in this set.)
5 POWER OUT O Power output (Not used in this set.)
6 AMS OUT O AMS gain control output (Not used in this set.)
7 RESET I Reset input (L : Reset)
8 XTAL — Oscillator circuit (4.19 MHz)
9 XTAL — Oscillator circuit (4.19 MHz)
10 NR OUT O Noise reduction signal output (Not used in this set.)
11 REC/PB O REC/PB select output (H : REC, L : PB)
12 F/R O RVS/FWD select output (H : RVS, L : FWD) (Not used in this set.)
13 BIAS O Bias oscillation control output (H : ON, L : OFF)
14 LINE MUTE O Line mute control output (H : OFF, L : ON)
15 PB.MUTE O PB mute control output (H : OFF, L : ON)
16 REC.MUTE O REC mute control output (H : OFF, L : ON)
17 TAPE 4 O REC equalizer select output (H : METAL) (Not used in this set.)
18 TAPE 2 O REC equalizer select output (H : CrO2)
19 TAPE 1 O REC equalizer select output (H : NORMAL)
20 M.FWD O Reel motor forward direction rotation output
21 M.REV O Reel motor reverse direction rotation output
22 H.SPEED O Tape speed control output
23 L+ O Loading motor forward direction rotation output
24 L- O Loading motor reverse direction rotation output
25 AU BUS OUT O AU BUS signal output
26 VSS — Ground
27 F.REC I Mechanism deck FWD REC PROOF claw detection signal input (H : REC inhibit)
28 R.REC I Mechanism deck RVS REC PROOF claw detection signal input (H : REC inhibit)
29 PACK IN I Loading detection signal input
30 AU BUS IN I AU BUS signal input
31 AMS IN I AMS signal input
32 KEY 1 I Key switch input 1
33 KEY 0 I Key switch input 0
34 S.PLAY MODE I Mechanism deck tape position detection signal input
35 F.REEL I Mechanism deck FWD reel sensor detection signal input
36 R.REEL I Mechanism deck RVS reel sensor detection signal input
37 MODE SEL I Connect to Ground in this set.
38 CrO2 I Mechanism deck CrO2 switch input
39 TAPE IN I Mechanism deck HALF switch input
40 TEST PIN I Input for test mode. (L : Test mode)
41 NC I Connect to Ground in this set.
42, 43 NC O Not used in this set.
44 POWER DOWN IN I Power detection input
45 NR.LED O NR LED output (Not used in this set.)
46 PB.LED O PLAYBACK LED output (Not used in this set.)
47 TAPE.LED O Tape indicator LED output
48 CD SYC.LED O CD SYNC LED output
49 REC.LED O REC LED output
50 >>.LED O ) LED output
51 <<.LED O 0 LED output
52 PAUSE.LED O PAUSE LED output