Service manual

PIN PIN NAME PIN DISCRIPTION

29 AUDIO SLP(H) Set 'H' When SLP mode.

30 D/PWM Drum motor control PWM output

*period of PWM : 23.4KHz (6MHz/256)

31 C/PWM Capstan motor PWM output

* period of PWM : 23.4KHz (6MHz/256)

32 GND(D) Digital GND

33 NOT USED

34 CST IN(L) NOT USED

35 REC(L) Set 'L' when recording

36 EE(H) Set 'H' when EE/REC mode with TIME delay, in case of VIDEO mode

37 TRICK (L) Set 'L' when special play, Audio MUTE output

38 SP(L) tape speed SP(L) output

39 LP(L) tape speed LP(L) output

40 R/CTL Change Record CTL DUTY when MARK & ERASE mode

41 2HD/4HD 4HD (L) OR 2HD (H)

42 A. MUTE (H) Audio Mute output when special record

43 NTSC(L) NTSC(L)/PAL(H) switching output

44 SP TRICK(L) Set 'L' when SP mode

45 CLK NOT USED

46 RESET(L) RESET

47 OSC/IN SYSTEM CLOCK CRYSTAL(10MHz)

48 OSC/OUT SYSTEM COCK CRYSTAL (10MHz)

49 GND

50 LM(+)/LM(-) Loading motor foward(L), reverse(H)

51 LM ON(H) Set 'H' when operates loading motor

52 T/START(L) Tape START sensor input

53 T/END(L0 Tape END sensor input