Read Panasonic KX-FP320E / KX-FM330E Service Manual Simplified online
18
(Model KX-FP320E/KX-FM330E)
KX-FP320E/KX-FM330E
6.13.2. EXPLANATION OF ANALOG GATE ARRAY (IC103 on the Analog Board)
(Change from original page 178)
Pin No.
Name
Function
I/O
Pin No.
Name
Function
1
DGND
GND (Digital)
41
PROUT1
PRE-AMP1 output
2
BREAK
Controls pulse dialing
O
42
AGND
GND (Analog)
3
MDMRX
FAX RX Signal ON/OFF
O
43
RTONE
Not Used
4 NOT USED
----------
I
44
RIN
Handset receiver AMP input
5
DCN
Detects parallel TEL OFF-hook
I
45
ROUT1
Handset receiver AMP output 1
6 H/S ALC
Detects H/S ALC
I
46
ROUT2
Handset receiver AMP output 2
7
NOT USED
----------
I
47
NOT USED
----------
8
E-RECALL
Controls earth recall relay
O
48
NOT USED
----------
9
P-SHORT
Improves wave form of pulse
dialing
O
49
NOT USED
----------
10
WR
Writes enable
I
50
NOT USED
----------
11
RD
Reads enable
I
51
MICIN
MIC AMP input
12
CS
Chip select
I
52
HSMIC-
Handset MIC AMP (-) input
13
D0
Data In/Out
I/O
53
HSMICOUT
Handset MIC AMP output
14
D1
Data In/Out
I/O
54
HSMIC+
Handset MIC AMP (+) input
15
D2
Data In/Out
I/O
55
NL2IN
Side tone suppressing AMP input
16
D3
Data In/Out
I/O
56
NL2OUT
Side tone suppressing AMP output
17
D4
Data In
I
57
NL2IN
Suppressing sensitivity adjustment
18
RS
Resistor select
I
58
VREF
Reference voltage output
19
RESET
Reset this IC
I
59
LINEIN
Line RX-AMP input
20
DVDD
5V (Digital)
60
VCC
5V (Analog)
21
DGND
GND (Digital)
61
EXIN
EXT AMP input
22
NOT USED
----------
O
62
EXOUT
EXT AMP output
23
NOT USED
----------
O
63
LINEOUT
Line TX-AMP output
24
NOT USED
----------
O
64
VREF2
Reference voltage output
25
NOT USED
----------
O 65
ALCIN
ALC-AMP input
26
LINE-RLY
Controls line relay (RLY1)
O
66
ALCDET
Attack/recovery time adjustment
27
SP-MUTE
Mutes control to speaker AMP
(IC3)
O
67
PROUT2
PRE-AMP2 output
28
NOT USED
----------
I
68
RECIN
Recording signal input
29
BELL
Detects bell signal
I
69
RECPRIN
Recording PRE-AMP input
30
MDMSRX
SP-Phone RX Signal ON/OFF
O
70
RECPROUT
Recording PRE-AMP output
31
32
NOT USED
----------
O
71
LSRXOUT
SP-Phone MIC signal output
NOT USED
----------
O 72
PLYOUT
Play AMP output
33
NOT USED
----------
O
73
PLYIN
Play AMP input
34
35
DVDD
5V (DIGITAL)
74
LSTXOUT
SP-Phone speaker signal output
NOT USED
----------
75
LSTXIN
SP-Phone speaker signal input
36
NOT USED
----------
76
TONE IN1
DTMF monitor signal input
37
NOT USED
----------
77
TONE IN2
Alarm/keytone input
38
SPOUT
Speaker AMP output
78
TONE IN3
Ringing signal input
39
SPPROUT
Speaker PRE-AMP output
79
TONE IN4
Pulse dial monitor signal input
40
SPPRIN
Speaker PRE-AMP (-) input
80
AGND
GND (Analog)
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