Panasonic KX-FP300E Service Manual page 13

6.10.2. EXPLANATION OF ANALOG GATE ARRAY (IC5 on the Analog Board)
Pin No. Name
1 DGND GND (Digital)
2 BREAK Controls pulse dialing
3 MDMRX FAX RX Signal ON/OFF
4 EX-HOOK Detects EXT. TEL OFF-hook
5 DCN Detects parallel TEL OFF-hook
6 H/S ALC Control H/S Volume
7 NOT USED
8 E-RECALL Controls earth recall relay
Improves wave form of pulse
9 P-SHORT
dialing
10 WR Writes enable
11 RD Reads enable
12 CS Chip select
13 D0 Data In/Out
14 D1 Data In/Out
15 D2 Data In/Out
16 D3 Data In/Out
17 D4 Data In
18 RS Resistor select
19 RESET Reset this IC
20 DVDD 5V (Digital)
21 DGND
GND (Digital)
22 NOT USED
23 SENSCTR Controls paper end sensor (PC9)
24 BLACK Paper end sensor output
25 SD Serial data from DTMF receiver
26 LINE-RLY Controls line relay (RLY1)
Mutes control to speaker AMP
27 SP-MUTE
(IC3)
28 HOOK Detects hook switch (SW4)
29 BELL Detects bell signal
30 MDMSRX SP-Phone RX Signal ON/OFF
31 MDMTRX TAM RX Signal ON/OFF
32 PT-HOOK Detects parallel TEL ON-Hook
33 NOT USED
34 DVDD 5V (DIGITAL)
35 A-OUT RX signal output to DTMF receiver
36 NOT USED
37 NOT USED
38 SPOUT Speaker AMP output
39 SPPROUT Speaker PRE-AMP output
40 SPPRIN Speaker PRE-AMP (-) input
Function I/O Pin No.
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(Model KX-FP300E)
13
(Change from original page 161.)
Name
41 PROUT1 PRE-AMP1 output
42 AGND GND (Analog)
43 RTONE Not Used
44 RIN Handset receiver AMP input
45 ROUT1 Handset receiver AMP output 1
46 ROUT2 Handset receiver AMP output 2
47 NOT USED
48 NOT USED
49 NOT USED
50 NOT USED
51 MICIN MIC AMP input
52 HSMIC- Handset MIC AMP (-) input
53 HSMICOUT Handset MIC AMP output
54 HSMIC+ Handset MIC AMP (+) input
55 NL2IN Side tone suppressing AMP input
56 NL2OUT Side tone suppressing AMP output
57 NL2IN Suppressing sensitivity adjustment
58 VREF Reference voltage output
59 LINEIN Line RX-AMP input
60 VCC 5V (Analog)
61 EXIN EXT AMP input
62 EXOUT EXT AMP output
63 LINEOUT Line TX-AMP output
64 VREF2 Reference voltage output
65 ALCIN ALC-AMP input
66 ALCDET Attack/recovery time adjustment
67 PROUT2 PRE-AMP2 output
68 RECIN Recording signal input
69 RECPRIN Recording PRE-AMP input
70 RECPROUT Recording PRE-AMP output
71 LSRXOUT SP-Phone MIC signal output
72 PLYOUT Play AMP output
73 PLYIN Play AMP input
74 LSTXOUT SP-Phone speaker signal output
75 LSTXIN SP-Phone speaker signal input
76 TONE IN1 DTMF monitor signal input
77 TONE IN2 Alarm/keytone input
78 TONE IN3 Ringing signal input
79 TONE IN4 Pulse dial monitor signal input
80 AGND GND (Analog)
KX-FP300E
Function
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