Panasonic KX-FP300E, Руководство по обслуживанию

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13
(Model KX-FP300E)
KX-FP300E
6.10.2. EXPLANATION OF ANALOG GATE ARRAY (IC5 on the Analog Board)
(Change from original page 161.)
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 EX-HOOK Detects EXT. TEL OFF-hook I 44 RIN Handset receiver AMP input
5 DCN Detects parallel TEL OFF-hook I 45
Control H/S Volume
ROUT1 Handset receiver AMP output 1
6 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 SENSCTR Controls paper end sensor (PC9) O 63 LINEOUT Line TX-AMP output
24 BLACK Paper end sensor output I 64 VREF2 Reference voltage output
25 SD Serial data from DTMF receiver I 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 HOOK Detects hook switch (SW4) 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 MDMTRX TAM RX Signal ON/OFF O 71 LSRXOUT SP-Phone MIC signal output
32 PT-HOOK Detects parallel TEL ON-Hook I 72 PLYOUT Play AMP output
33 NOT USED ---------- O 73 PLYIN Play AMP input
34 DVDD 5V (DIGITAL) 74 LSTXOUT SP-Phone speaker signal output
35 A-OUT RX signal output to DTMF receiver 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)