7.5.1.2. 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.
3. Signal path (Reception signal)
Refer to CHECK SHEET.
7.5.1.3. 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.
(Handset Operation)
Refer to CHECK SHEET.
b. ALARM/BEEP/KEY TONE/BELL
Refer to CHECK SHEET.
7.5.1.4. TAM INTERFACE SECTION
1. Function
When TAM is connected to this unit, the unit receives documents for FAX calls or the external TAM records a voice message
automatically.
2. Circuit Operation
The TAM INTERFACE circuit consists of the transformer (T202), amplifier (IC202), analog ASIC (IC207), MODEM (IC600) on
the digital board to detect the other party CNG signal, and RLY200 to separate EXT.TAM.
a. CNG signal detection circuit
The CNG signal from the other party’s FAX is detected in MODEM IC600 (digital board).
(Signal path)
Refer to CHECK SHEET(P.128).
b. Remote receiving
This is the parallel-connected DTMF signal for the TEL or EXT.TEL mode between T and R. When the other party is a FAX,
the unit switches to FAX receiving.
(Signal Path)
Refer to CHECK SHEET(P.128).
164
KX-FL612CX / KX-FL612CX-S
Summary of Contents for KX-FL612CX
Page 12: ...3 INSTALLATION 3 1 LOCATION OF CONTROLS 3 1 1 OVERVIEW 12 KX FL612CX KX FL612CX S ...
Page 13: ...3 1 2 CONTROL PANEL 13 KX FL612CX KX FL612CX S ...
Page 40: ...5 DISASSEMBLY INSTRUCTIONS 40 KX FL612CX KX FL612CX S ...
Page 43: ...5 3 HOW TO REMOVE THE OPERATION PANEL ASS Y 43 KX FL612CX KX FL612CX S ...
Page 44: ...5 4 HOW TO REMOVE THE PICK UP UNIT 44 KX FL612CX KX FL612CX S ...
Page 45: ...5 5 HOW TO REMOVE THE PICK UP ROLLER 45 KX FL612CX KX FL612CX S ...
Page 46: ...5 6 HOW TO REMOVE THE OPERATION BOARD 46 KX FL612CX KX FL612CX S ...
Page 48: ...5 9 HOW TO REMOVE THE TRANSFER ROLLER 48 KX FL612CX KX FL612CX S ...
Page 49: ...5 10 HOW TO REMOVE THE SEPARATION ROLLER 49 KX FL612CX KX FL612CX S ...
Page 54: ...5 19 HOW TO REMOVE THE MAIN MOTOR 54 KX FL612CX KX FL612CX S ...
Page 55: ...5 20 HOW TO REMOVE THE FUSER UNIT 55 KX FL612CX KX FL612CX S ...
Page 56: ...5 21 HOW TO REMOVE THE CIS 56 KX FL612CX KX FL612CX S ...
Page 58: ...5 23 INSTALLATION POSITION OF THE LEAD 58 KX FL612CX KX FL612CX S ...
Page 93: ...6 5 7 6 LIGHT PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 140 93 KX FL612CX KX FL612CX S ...
Page 95: ...6 5 7 8 BLANK PRINT 6 5 7 9 BLACK OR WHITE POINT 95 KX FL612CX KX FL612CX S ...
Page 97: ...6 5 8 3 SKEW 97 KX FL612CX KX FL612CX S ...
Page 103: ...CROSS REFERENCE MOTOR SECTION P 135 103 KX FL612CX KX FL612CX S ...
Page 104: ...6 5 9 2 SKEW ADF 104 KX FL612CX KX FL612CX S ...
Page 106: ...6 5 9 5 THE RECEIVED OR COPIED DATA IS EXPANDED 106 KX FL612CX KX FL612CX S ...
Page 107: ...6 5 9 6 BLACK OR WHITE VERTICAL LINE IS COPIED 107 KX FL612CX KX FL612CX S ...
Page 117: ...117 KX FL612CX KX FL612CX S ...
Page 120: ...CROSS REFERENCE TEST FUNCTIONS P 64 120 KX FL612CX KX FL612CX S ...
Page 121: ...CROSS REFERENCE TEST FUNCTIONS P 64 121 KX FL612CX KX FL612CX S ...
Page 122: ...CROSS REFERENCE TEST FUNCTIONS P 64 122 KX FL612CX KX FL612CX S ...
Page 123: ...CROSS REFERENCE TEST FUNCTIONS P 64 123 KX FL612CX KX FL612CX S ...
Page 124: ...124 KX FL612CX KX FL612CX S ...
Page 125: ...125 KX FL612CX KX FL612CX S ...
Page 126: ...CROSS REFERENCE TEST FUNCTIONS P 64 126 KX FL612CX KX FL612CX S ...
Page 135: ...6 5 13 6 MOTOR SECTION 6 5 13 6 1 ENGINE MOTOR 135 KX FL612CX KX FL612CX S ...
Page 136: ...6 5 13 6 2 ADF MOTOR 136 KX FL612CX KX FL612CX S ...
Page 140: ...6 5 16 HIGH VOLTAGE SECTION 140 KX FL612CX KX FL612CX S ...
Page 141: ...141 KX FL612CX KX FL612CX S ...
Page 142: ...142 KX FL612CX KX FL612CX S ...
Page 145: ...6 5 17 2 TROUBLESHOOTING FLOW CHART 145 KX FL612CX KX FL612CX S ...
Page 147: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 147 KX FL612CX KX FL612CX S ...
Page 149: ...149 KX FL612CX KX FL612CX S ...
Page 167: ...7 7 1 2 ENGINE MOTOR DRIVE CIRCUIT 167 KX FL612CX KX FL612CX S ...
Page 173: ...7 10 LSU Laser Scanning Unit SECTION 173 KX FL612CX KX FL612CX S ...
Page 174: ...174 KX FL612CX KX FL612CX S ...
Page 181: ...181 KX FL612CX KX FL612CX S ...
Page 202: ...8 1 8 TIMING CHART When Printing Two Sheets of Paper BASIC 202 KX FL612CX KX FL612CX S ...
Page 203: ...8 1 9 Timing Chart Initializing Long 203 KX FL612CX KX FL612CX S ...
Page 205: ...8 2 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 205 KX FL612CX KX FL612CX S ...
Page 209: ...8 4 1 NG EXAMPLE 209 KX FL612CX KX FL612CX S ...
Page 215: ...215 KX FL612CX KX FL612CX S ...
Page 216: ...8 6 TEST CHART 8 6 1 ORIGINAL TEST CHART 216 KX FL612CX KX FL612CX S ...
Page 217: ...8 6 2 ITU T No 1 TEST CHART 217 KX FL612CX KX FL612CX S ...
Page 218: ...8 6 3 ITU T No 2 TEST CHART 218 KX FL612CX KX FL612CX S ...
Page 219: ...9 FIXTURES AND TOOLS 219 KX FL612CX KX FL612CX S ...
Page 221: ...10 2 OPERATION COVER SECTION 1 221 KX FL612CX KX FL612CX S ...
Page 222: ...10 3 OPERATION COVER SECTION 2 222 KX FL612CX KX FL612CX S ...
Page 223: ...10 4 OPERATION COVER SECTION 3 223 KX FL612CX KX FL612CX S ...
Page 224: ...10 5 PICK UP SECTION 224 KX FL612CX KX FL612CX S ...
Page 225: ...10 6 FUSER SECTION 225 KX FL612CX KX FL612CX S ...
Page 226: ...10 7 UPPER MAIN CABINET SECTION 226 KX FL612CX KX FL612CX S ...
Page 227: ...10 8 LOWER MAIN CABINET SECTION 1 227 KX FL612CX KX FL612CX S ...
Page 228: ...10 9 LOWER MAIN CABINET SECTION 2 228 KX FL612CX KX FL612CX S ...
Page 229: ...10 10 LOWER CABINET SECTION 3 229 KX FL612CX KX FL612CX S ...
Page 230: ...10 11 ACTUAL SIZE OF SCREWS AND WASHER 230 KX FL612CX KX FL612CX S ...
Page 231: ...11 ACCESSORIES AND PACKING MATERIALS 231 KX FL612CX KX FL612CX S ...
Page 243: ...Memo 243 KX FL612CX KX FL612CX S ...
Page 266: ...266 KX FL612CX KX FL612CX S HI Q KXFL612CX KXFL612CXS ...