8.10. ITS (Integrated Telephone System) AND MONITOR SECTION
8.10.1. GENERAL
During the monitor operation, the speaker output passes through the power amplifier (IC102) [Analog board].
The DTMF signal is output from the modem (IC505: digital board). The alarm tone, the key tone, bell tone, and beep are output
from gate array IC501 (digital board). During a pulse dial operation, the monitor tone is output from gate array IC501.
8.10.2. TELEPHONE MONITOR
1. Function
This is the function when you are not holding the handset and can hear the caller’s voice from the line.
2. Signal path
Refer to CHECK SHEET (P.105).
8.10.3. HANDSET CIRCUIT
1. Function
This circuit controls the conversation over the handset, i.e. the transmitted and received voices to and from the handset.
2. Signal path (Transmission signal)
Refer to CHECK SHEET (P.105).
3. Signal path (Reception signal)
Refer to CHECK SHEET (P.105).
8.10.4. MONITOR CIRCUIT
1. Function
This circuit monitors various tones, such as 1 DTMF tone,2 Alarm/Beep/Key tone/Bell.
2. Signal path
a. DTMF MONITOR
(Speaker Operation)
Refer to CHECK SHEET (P.105).
(Handset Operation)
Refer to CHECK SHEET (P.105).
b. ALARM/BEEP/KEY TONE/BELL
Refer to CHECK SHEET (P.105).
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KX-FHD333BR
Содержание KX-FHD333BR
Страница 3: ...1 TRANSLATION LISTS 1 1 LCD MESSAGES 3 KX FHD333BR ...
Страница 4: ...1 2 ERROR CODE 1 3 BUTTON LISTS 4 KX FHD333BR ...
Страница 21: ...5 1 2 COMPONENT LOCATIONS 21 KX FHD333BR ...
Страница 32: ...6 2 DISASSEMBLY PROCEDURE 6 2 1 HOW TO REMOVE THE PAPER TRAY AND RECORDING PAPER SUPPORT 32 KX FHD333BR ...
Страница 33: ...6 2 2 HOW TO REMOVE THE OPERATION PANEL BLOCK 33 KX FHD333BR ...
Страница 34: ...6 2 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 34 KX FHD333BR ...
Страница 35: ...6 2 4 HOW TO REMOVE THE IMAGE SENSOR CIS 35 KX FHD333BR ...
Страница 36: ...6 2 5 HOW TO REMOVE THE THERMAL HEAD 36 KX FHD333BR ...
Страница 37: ...6 2 6 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER 37 KX FHD333BR ...
Страница 38: ...6 2 7 HOW TO REMOVE THE PICKUP ROLLER 38 KX FHD333BR ...
Страница 39: ...6 2 8 HOW TO REMOVE THE CASSETTE LEVER 39 KX FHD333BR ...
Страница 40: ...6 2 9 HOW TO REMOVE THE BOTTOM FRAME 40 KX FHD333BR ...
Страница 41: ...6 2 10 HOW TO REMOVE THE DIGITAL ANALOG POWER SUPPLY SENSOR BOARDS AND AC INLET 41 KX FHD333BR ...
Страница 42: ...6 2 11 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 42 KX FHD333BR ...
Страница 43: ...6 2 12 HOW TO REMOVE THE GEARS OF MOTOR BLOCK 43 KX FHD333BR ...
Страница 44: ...6 3 INSTALLATION POSITION OF THE LEAD WIRES 44 KX FHD333BR ...
Страница 57: ...7 5 2 SREVICE MODE SETTINGS Note The above values are the default values 57 KX FHD333BR ...
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Страница 86: ...CROSS REFERENCE TEST FUNCTIONS P 50 86 KX FHD333BR ...
Страница 87: ...CROSS REFERENCE TEST FUNCTIONS P 50 87 KX FHD333BR ...
Страница 88: ...CROSS REFERENCE TEST FUNCTIONS P 50 88 KX FHD333BR ...
Страница 89: ...CROSS REFERENCE TEST FUNCTIONS P 50 89 KX FHD333BR ...
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Страница 92: ...CROSS REFERENCE TEST FUNCTIONS P 50 92 KX FHD333BR ...
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Страница 100: ...I O and Pin No Diagram 100 KX FHD333BR ...
Страница 101: ...7 6 7 1 CHECK THE STATUS OF THE DIGITAL BOARD CROSS REFERENCE NG Wave pattern Refer to NG EXAMPLE P 98 101 KX FHD333BR ...
Страница 104: ...7 6 7 3 NG EXAMPLE 104 KX FHD333BR ...
Страница 109: ...7 6 9 2 TROUBLESHOOTING FLOW CHART 109 KX FHD333BR ...
Страница 115: ...7 6 13 THERMAL HEAD SECTION Refer to THERMAL HEAD P 129 115 KX FHD333BR ...
Страница 116: ...8 CIRCUIT OPERATIONS 8 1 CONNECTION DIAGRAM 116 KX FHD333BR ...
Страница 118: ...8 2 1 GENERAL BLOCK DIAGRAM 118 KX FHD333BR ...
Страница 120: ...8 3 2 MEMORY MAP 120 KX FHD333BR ...
Страница 128: ...8 4 2 BLOCK DIAGRAM 128 KX FHD333BR ...
Страница 131: ...TIMING CHART i Print Duty 50 or less ii Print Duty more than 50 131 KX FHD333BR ...
Страница 143: ...b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 143 KX FHD333BR ...
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Страница 159: ...9 REFERENCE MATERIAL DATA 9 1 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 159 KX FHD333BR ...
Страница 162: ...9 3 TEST CHART 9 3 1 ITU T No 1 TEST CHART 162 KX FHD333BR ...
Страница 163: ...9 3 2 ITU T No 2 TEST CHART 163 KX FHD333BR ...
Страница 164: ...10 FIXTURES AND TOOLS 164 KX FHD333BR ...
Страница 165: ...11 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 11 1 GENERAL SECTION 165 KX FHD333BR ...
Страница 166: ...11 2 OPERATION PANEL SECTION 166 KX FHD333BR ...
Страница 167: ...11 3 BACK COVER SECTION 167 KX FHD333BR ...
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Страница 169: ...11 4 UPPER CABINET SECTION 169 KX FHD333BR ...
Страница 170: ...11 5 LOWER CABINET P C BOARD SECTION CROSS REFERENCE MOTOR SECTION P 171 170 KX FHD333BR ...
Страница 171: ...11 6 MOTOR SECTION 11 7 ACTUAL SIZE OF SCREWS 171 KX FHD333BR ...
Страница 172: ...12 ACCESSORIES AND PACKING MATERIALS 172 KX FHD333BR ...