Read Panasonic KX-TG2238CG Service Manual online
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
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1.1. Suggested PbF Solder
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1.2. Howto recognize that Pb Free solder is used
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2 FOR SERVICE TECHNICIANS
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3 CAUTION
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4 BATTERY
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4.1. Installing the Battery in the Handset
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4.2. Battery Charge
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4.3. Battery Recharge
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4.4. Battery Strength
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4.5. Battery Replacement
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4.6. Battery information
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5 LOCATION OF CONTROLS
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5.1. Base Unit
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5.2. Handset
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6 DISPLAY
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6.1. Troubleshooting
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7 SETTINGS
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7.1. Connections
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7.2. Selecting the Display and Voice Guidance Language
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7.3. Dialing Mode (Handset)
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7.4. Direct Commands
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8 OPERATIONS
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8.1. Making Calls
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8.2. Answering Calls
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8.3. FLASH Button
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8.4. Phone Book (Handset)
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9 DISASSEMBLY INSTRUCTIONS
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10 ASSEMBLY INSTRUCTIONS
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10.1. Fix the LCD to P.C. Board (Handset)
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10.2. Connect the Small P.C.Board to Main P.C.Board
(Handset)
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11 TROUBLESHOOTING GUIDE
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11.1. Check Power
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11.2. Check Sp-phone Transmission
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11.3. Check Sp-phone Reception
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11.4. Check Battery Charge
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11.5. Check Link
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11.6. Check the RF Unit
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11.7. Check Handset Transmission
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11.8. Check Handset Reception
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11.9. Check Caller ID
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12 TEST MODE
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12.1. Test mode flowchart for Base Unit
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12.2. Test mode flowchart for Handset
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12.3. X201 Check
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12.4. Adjustment Battery LowDetector Voltage
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12.5. Base Unit Reference Drawing
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12.6. Handset Reference Drawing
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12.7. Frequency Table
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13 DESCRIPTION
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13.1. Frequency
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13.2. Time Division Duplex (TDD) operation
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13.3. Signal Flowchart in the Whole System
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14 EXPLANATION OF BBIC (Base Band IC) DATA
COMMUNICATION
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14.1. Calling
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14.2. To Terminate Communication
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14.3. Ringing
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14.4. Ports for Transmitting and Receiving of Data
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15 BLOCK DIAGRAM (BASE UNIT)
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16 CIRCUIT OPERATION (BASE UNIT)
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16.1. DSP (Digital Speech/Signal Processing: IC201)
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16.2. Flash Memory (IC300)
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16.3. Power Supply Circuit
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16.4. Reset Circuit
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16.5. Locator/Intercom Mode
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16.6. Telephone Line Interface
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16.7. Auto Disconnect Circuit
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16.8. Parallel Connection Detect Circuit
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16.9. Calling Line Identification (Caller ID)/Call Waiting Caller ID
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17 BLOCK DIAGRAM (HANDSET)
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18 CIRCUIT OPERATION (HANDSET)
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18.1. Construction
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18.2. Power Supply Circuit
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18.3. Charge Circuit
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18.4. Ringer and Handset SP-Phone
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18.5. Sending Signal
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18.6. Reception Signal
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18.7. Small PCB
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19 SIGNAL ROUTE
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20 CPU DATA (BASE UNIT)
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20.1. IC201
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CONTENTS
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KX-TG2238CS
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