Ic601'S Terminal Name, Waveform And/Or Voltages - Sony TC-K555ES Service Manual

TC·KSSSES
IC601's Terminal Name, Waveform and/or Voltages
Pin
No.
Waveform and/or
Voltages
Pin
No.
Waveform and/or
Voltages
Pin
No.
Waveform and/or
Voltages
(not used in this set)
1'--- -
~-
-4.5V
- . - - - - - - - 0 V
Head-Solenoid Drive Signal
FWD mode
AMS Solenoid Drive Signal
n
5.0V
__---'II
- 0 V
-l~0.25sec
FWD button ON
Reel-Motor Drive Signal
in Forward Mode
FWD mode
I -
--4.5 V
~-OV
Line-Muting Signal
FWD mode or REC mode
(only record switch ON
DC 5.1 V)
J
-5.1V
- - - - - - - - 0 V
(not used in this setl
Clock Signal
REC MUTE Switch Input
i -
53V
L
J
---~.5V
I_
I
_j-ov
REC MUTE button kept pressed
/'1
~
,
V V
'v~96
Vp-p
~7.6msec~
-
..
·1
- - - - - - - - 0 V
I-
I
-I
REW button kept pressed
\
FF button kept pressed
FWD Lamp Drive Signal
FWD mode
PAUSE Lamp Drive Signal
PAUSE mode
REC lamp Drive Signal
RECmode
F
1
F Switch Input
[-5.,
V
- - - - - ---0.5V
- - - - - - - - - - 0 V
I·
R1EW Switch In
p
ut
l
--
4.9 Vf-@_14_+- G_N_D_0_V
---J
@
(not used in this set)
J ~ - - - 4 . 7 V
- - - - - - - - 0 V
Auto Shut-Off Signal
Inn
, - 5 V
u
U
u_
OV
IT
f-2sec-l
tape end
I
auto'shut off
OAsec
becomes in stop mode at tape end
in forward mode. (may become in
4 6 V
0 V according
to the position of
J
r - - - - - - - - . 1-_f"_-+-_ta_k_e-_u_ p _re_e_l_sp_'_.n_d_'e_.)
---1
- - - - - - - - - 0 V
\!9
Tape Counter Input DC 5.2V
J
r - - - - - 4 . 6 v
- - - - - - - - 0 V
STOP Input
1 1
--4AV
----- - o v
I..
I
-I
stop button kept pressed
Timer Signal (TIMER)
J L [ - 5 . , V
~4sec---l
I---
0 V f---+-R-e-e-I--M-o-t-or-D-f/-.v-e-S-ig-n-a-,-----1
, 0 . 5 s e c in Fast-Forward Mode
L
FWD
Switch Input
I
-5.2V
r-__
-+_P_O_W_E_R_S_W_,_·tc_h_O_N_(r_e_ga_r_d_'e_s_s_o_f_
-I
FF mode
position of TIMER switch)
I ..
_ _ _ _ _ --0.5V
1 " ' 8 @
~
- 4 . 5
V
---1
\!9J
Reset Signal (RESET) DC 4AV
I_
I .. /
OV - - - - - - - - - 0 V
FWD button kept pressed Record-Muting Signal
2
@
@
®
®
~s.;~hl"PUj
-5.3V
I_ ---\--
.1--
100
:
REC button kept pressed
J-_
5
.
,V
, - - - - - - - 0 V
REC MUTE switch ON
in record mode
Reel-Motor Drive Signal
in Rewind Mode
REWmode
I •
I
--4.5V
--.J
0 V
®
PAUSE Switch Input
L L -:.::
-1_
_I
OV
I
I
PAUSE button kept pressed
(not used in this set)
8 + Supply Voltage DC 6V
Note: Voltages are measured with an oscilloscope (10 M.I1 probe). So readings are different from the mounting diagram
and schematic diagram measured with a VOM. -
29-