7.9. NCU SECTION
7.9.1. GENERAL
It is composed of bell detection circuit, pulse dial circuit, line amplifier, sidetone circuits, Remote FAX activation circuit, CPC
detection, and a multiplexer.
7.9.2. REMOTE FAX ACTIVATION CIRCUIT
1. Circuit Operation
After detecting the bell signal, another telephone connected to the same line switches to the FAX mode by DTMF signal.
TEL LINE
→
T101
→
R120
→
C113
→
Q101(C-E)
→
C114
→
R114
→
IC101(2-1)
→
CN101(4)
→
{CN517(4)
→
C573
→
R576
→
IC505(60)}
7.9.3. BELL DETECTION CIRCUIT
1. Circuit Operation
The signal waveform for each point is indicated below. The signal (low level section) input to pin 42 of ASIC IC501 on the digital
board is read by ASIC and judged as a bell.
TEL LINE
→
PC101 (1, 2 - 4)
→
IC501 (42)
7.9.4. PULSE DIAL CIRCUIT AND ON / OFF HOOK CIRCUIT
While OFF-HOOK, RLY101 is ON. Q102 turns on by pin (138) of IC501 as well. On the other hand, while ON-HOOK, Q102 turns
OFF by pin (138) of IC501, then the line turns OFF. ON/OFF-HOOK, controlled by pin (138) of IC501, makes the pulse dial
operation possible.
IC501 (138) LINE RLY Low Level
→
CN517 (12)
→
CN101 (12)
→
Q102 OFF
→
RLY101 OFF : DC Loop OFF
IC501 (138) LINE RLY High Level
→
CN517 (12)
→
CN101 (12)
→
Q102 ON
→
RLY101 ON : DC Loop ON
147
KX-FP362CX
Содержание KX-FP362CX
Страница 21: ...4 1 2 COMPONENT LOCATIONS 21 KX FP362CX ...
Страница 31: ...5 2 DISASSEMBLY PROCEDURE 5 2 1 HOW TO REMOVE THE PAPER TRAY AND RECORDING PAPER SUPPORT 31 KX FP362CX ...
Страница 32: ...5 2 2 HOW TO REMOVE THE OPERATION PANEL BLOCK 32 KX FP362CX ...
Страница 33: ...5 2 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 33 KX FP362CX ...
Страница 34: ...5 2 4 HOW TO REMOVE THE IMAGE SENSOR CIS 34 KX FP362CX ...
Страница 35: ...5 2 5 HOW TO REMOVE THE THERMAL HEAD 35 KX FP362CX ...
Страница 36: ...5 2 6 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER 36 KX FP362CX ...
Страница 37: ...5 2 7 HOW TO REMOVE THE PICKUP ROLLER 37 KX FP362CX ...
Страница 38: ...5 2 8 HOW TO REMOVE THE CASSETTE LEVER 38 KX FP362CX ...
Страница 39: ...5 2 9 HOW TO REMOVE THE BOTTOM FRAME 39 KX FP362CX ...
Страница 40: ...5 2 10 HOW TO REMOVE THE DIGITAL ANALOG POWER SUPPLY SENSOR BOARDS AND AC INLET 40 KX FP362CX ...
Страница 41: ...5 2 11 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 41 KX FP362CX ...
Страница 42: ...5 2 12 HOW TO REMOVE THE GEARS OF MOTOR BLOCK 42 KX FP362CX ...
Страница 43: ...5 3 INSTALLATION POSITION OF THE LEAD WIRES 43 KX FP362CX ...
Страница 55: ...6 5 THE EXAMPLE OF THE PRINTED LIST 6 5 1 USER MODE Note The above values are the default values 55 KX FP362CX ...
Страница 56: ...6 5 2 SREVICE MODE SETTINGS Note The above values are the default values 56 KX FP362CX ...
Страница 70: ...70 KX FP362CX ...
Страница 84: ...84 KX FP362CX ...
Страница 85: ...CROSS REFERENCE TEST FUNCTIONS P 49 85 KX FP362CX ...
Страница 86: ...CROSS REFERENCE TEST FUNCTIONS P 49 86 KX FP362CX ...
Страница 87: ...CROSS REFERENCE TEST FUNCTIONS P 49 87 KX FP362CX ...
Страница 88: ...CROSS REFERENCE TEST FUNCTIONS P 49 88 KX FP362CX ...
Страница 89: ...89 KX FP362CX ...
Страница 90: ...90 KX FP362CX ...
Страница 91: ...CROSS REFERENCE TEST FUNCTIONS P 49 91 KX FP362CX ...
Страница 95: ...95 KX FP362CX ...
Страница 99: ...I O and Pin No Diagram 99 KX FP362CX ...
Страница 100: ...6 6 7 1 CHECK THE STATUS OF THE DIGITAL BOARD CROSS REFERENCE NG Wave pattern Refer to NG EXAMPLE P 97 100 KX FP362CX ...
Страница 103: ...6 6 7 3 NG EXAMPLE 103 KX FP362CX ...
Страница 107: ...Note Refer to CHECK SHEET P 104 and TEST FUNCTIONS P 49 107 KX FP362CX ...
Страница 109: ...6 6 10 2 TROUBLESHOOTING FLOW CHART 109 KX FP362CX ...
Страница 115: ...6 6 14 THERMAL HEAD SECTION Refer to THERMAL HEAD P 129 115 KX FP362CX ...
Страница 116: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 116 KX FP362CX ...
Страница 118: ...7 2 1 GENERAL BLOCK DIAGRAM 118 KX FP362CX ...
Страница 120: ...7 3 2 MEMORY MAP 120 KX FP362CX ...
Страница 128: ...7 4 2 BLOCK DIAGRAM 128 KX FP362CX ...
Страница 131: ...TIMING CHART i Print Duty 50 or less ii Print Duty more than 50 131 KX FP362CX ...
Страница 143: ...b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 143 KX FP362CX ...
Страница 150: ...150 KX FP362CX ...
Страница 157: ...8 REFERENCE MATERIAL DATA 8 1 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 157 KX FP362CX ...
Страница 160: ...8 3 TEST CHART 8 3 1 ITU T No 1 TEST CHART 160 KX FP362CX ...
Страница 161: ...8 3 2 ITU T No 2 TEST CHART 161 KX FP362CX ...
Страница 162: ...9 FIXTURES AND TOOLS 162 KX FP362CX ...
Страница 163: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 163 KX FP362CX ...
Страница 164: ...10 2 OPERATION PANEL SECTION 164 KX FP362CX ...
Страница 165: ...10 3 BACK COVER SECTION 165 KX FP362CX ...
Страница 166: ...166 KX FP362CX ...
Страница 167: ...10 4 UPPER CABINET SECTION 167 KX FP362CX ...
Страница 168: ...10 5 LOWER CABINET P C BOARD SECTION CROSS REFERENCE MOTOR SECTION P 169 168 KX FP362CX ...
Страница 169: ...10 6 MOTOR SECTION 10 7 ACTUAL SIZE OF SCREWS 169 KX FP362CX ...
Страница 170: ...11 ACCESSORIES AND PACKING MATERIALS 170 KX FP362CX ...