©
IX1600AFZZ
5 OYA /7A a
JC-272H
FUNCTION
TABLE OF IC
Terminal
Name
Function
Motor FWD/REV switching (H = FWD)
Reserve
Reserve
Pull-up
+ (H when power ON)
Pull-down
{| (L when power OFF)
Initial level > Operation level
H FWD
For clock oscillation
For clock oscillation
For clock oscillation
For oscillation
For oscillation
Earth
Photo interrupter drive
For test
L>
Phase inverse to phase of pin 43
For test
16
|
CAM
Cam detection (Stop state ON = L)
17
(8)
PL
For plunger (L = solenoid ON)
18
O
APON
Reserve (to drive amplifier to beep)
19
{e)
128F
Reserve (1/2 clock frequency)
20
1e)
256F
Clock frequency
21
oO
MTON
Mute (H = mute OFF)
22
oO
PRBL
Play/Radio+B (L = ON)
23
Oo
PRB
Play/Radio+B (H = ON)
For test
Earth
Power supply
t by external resistor
100 ms
ao Ls
ee
ae ee
kL
JH
Buffer input
Buffer output
+ by external resistor
Reset input by headphones
+ by external resistor
System reset terminal (L = reset)
t by external resistor
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Terminal
.
Pull-up + (H when power ON)
Pull-down
{| (L when power OFF)
Initial level > Operation level
[33 |1
[move
| Reverse mode switching
+ by external resistor
+ by external resistor
34
HOLD
Main unit/remote control switching
35
RB
Radio mode switching (H = radio)
Remote control FF/REW key
36
RMFR
FF:
press once
REW:
press twice
37
RMPL
Remote play (L when key is pressed)
fsa |i | RMST
Remote stop (L when key is pressed)
39
fi | PLAY
Play/Dir key (L when pressed)
40
fi | STOP
Stop key (L when pressed)
TST3
For test
42
|. | VSS
Earth
43
Ee LED
LEDidhive
FFRW
FF/REW key FF:
press once
REW:
press twice
t
by external resistor
by external resistor
+ by external resistor
1
Phase reverse to phase of pin 11
Cee oe
fe [xe
foo [i [re | WO REW ating = FWD
EO
a
EO PPE
For test
fsa [o_[rs
fs fo [we freee
SCSC~C~SY
Ea
Motor ON (H = ON)
Lt —A
[55 |o |[PLoN
| Play + B(L = ON)
H
[LL
[56 |
Photo interruptor/LED power supply (L = ON)
H
[L__
57
VSS
Earth
58
VDD
Power supply
59
TRUN
Tape Run signal
60
NC
61
TSIN
For test
62
|
COIN
Control when external diode is not provided (Normally L)
63
RIN1
Reserve
64
RIN2
Reserve