Sanyo CLA-1380 Service Manual page 35

IC BLOCK DESCRIPTION
(PIN NAME & FUNCTION)
&
No. Signal Name
31
INT LED
32 LATCH 3
Description of Function I
Active
11/01
No.
Signal Name Description of Function
Active
1/0
50 P02 Key Scan / Da[a Input from I
IC704
INT LED Conlrol
LOW
o
La[ch (DTMF Generator)
HIGH
o
Control I II
51
P03 Kuy Scan / Dala Input from I
IC704
52 Cw
Motor Control L to IC801
o
E#!a
RX Mule Control LOW
o
CHARGE LED Con[rol LOW
o
ANSWER LED Control
LOW
o
53
Ccw
Motor Con[rol R to IC801
o
54 RELAY TEL-Line Control IGH
o
55 E HEAD Erase Head Control Low o
56 v..
Power Source ( + B)
36 EARTH OUT
37 ST-SP
38 PLL DATA
39 PLL CLK
Earlh Out Conlrol
o
Slarf Control to IC430 HIGH
o
Channel Select to IC403
o
Channel Select to IC403 I
101
I 40 I
PC2 Not Used (Low)
I
Channel Select to IC403
o
Charoe Detect of Handset LOW I
FF
41 PLL EN
42 CHARGE
43 RING CP Ringer / CPC Signal Input
I
1'1
(L : RING)
Branch Check LOW I
Busv InOut from IC430 LOW I
60 RX DATA
RX Data Input I
61 REC I PLAY REC / PLAY Con[rol to
o
IC430 (L : PLAY)
. .
A
B
Rotale Detect LOW I
VOX Signal tnput LOW
I
Key Scan / Data Input from I
62 RING O Buzzer Sound oulput
o
63 TEST
Test
block!
Sw]tch
_ow I
64 AC CHECK
AC Power Check
.Ow I
I 47 I Vox
48 POO
IC704
I
II
49 Pol Key Scan / Data Input from
IC704
I 1'
Key
Matrix
[ ] : Slide Switch
I I
P40
I
P41
I
P42
I
P43 P50 P51 1
1
Poo ANS SET
OGM REC [ANS-ONLY 1] ~ONE / PULSEl
Pol PLAYBACK PAGE / INT
[ANS-ONLY 2] [EARTH]
P02
STOP FFWD ERASE [RING DELAY 1] [RINGER 1]
[FLASH 1]
P03 MEMO REC REW
[RING DELAY 2] [RINGER 2] [FLASH 2]
Key Matrix (ANSWER) Key Matrix (RING DELAY)
ANS-ONLY 1
ANS-ONLY 2 RING DELAY 1 RING DELAY 2
ANS ONLY x x AUTO x x
CPC ON o
4 TIME
o
CPC OFF
:
x 2 TIME
;
x
Kev
Matrix (RINGER)
Mb
RINGER 1 RINGER 2
OFF x
LOW
x ;
,
HIGH
o
x
Note ; () + Short, X + Open
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