Panasonic KX-TG5431BXS Service Manual page 3

14.5. Base Unit Reference Drawing
14.6. Handset Reference Drawing
14.7. Frequency Table
14.8. How to Clear User Setting
15 DESCRIPTION
15.1. Frequency
15.2. FHSS (Frequency Hopping Spread Spectrum)
15.3. Signal Flowchart in the Whole System
16 EXPLANATION OF LINK DATA COMMUNICATION
16.1. Calling
16.2. To Terminate Communication
16.3. Ringing
17 BLOCK DIAGRAM (BASE UNIT_MAIN)
18 CIRCUIT OPERATION (BASE UNIT_MAIN)
18.1. DSP (Digital Speech/Signal Processing: IC501)
18.2. Flash Memory (IC601)
18.3. Power Supply Circuit
18.4. Reset Circuit
18.5. Locator/Intercom Mode
18.6. Telephone Line Interface
18.7. Auto Disconnect Circuit
18.8. Parallel Connection Detect Circuit
18.9. Calling Line Identification (Caller ID)
19 BLOCK DIAGRAM (BASE UNIT_RF PART)
20 BLOCK DIAGRAM (HANDSET_RF PART)
21 CIRCUIT OPERATION (RF PART)
21.1. Power Supply Circuit
21.2. 2.4GHz Mod/Demod Circuit
21.3. 5.8GHz Converter Circuit
21.4. 5.8GHz LNA (Low Noise Amplifier) Circuit
21.5. 5.8GHz Power Amplifier and Antenna Switch Circuit
22 BLOCK DIAGRAM (HANDSET)
23 CIRCUIT OPERATION (HANDSET)
23.1. Construction
23.2. Power Supply Circuit
23.3. Charge Circuit
23.4. Ringer and Handset SP-Phone
23.5. Sending Signal
23.6. Reception Signal
24 SIGNAL ROUTE
25 CPU DATA (BASE UNIT)
25.1. IC501
26 CPU DATA (HANDSET)
60 26.1. IC201
61 27 EXPLANATION OF IC TERMINALS (RF PART)
62 27.1. IC701
64 27.2. IC801
65 27.3. IC851
65 28 HOW TO REPLACE THE FLAT PACKAGE IC
65 28.1. PREPARATION
67 28.2. FLAT PACKAGE IC REMOVAL PROCEDURE
68 28.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
68 28.4. BRIDGE MODIFICATION PROCEDURE
68 29 CABINET AND ELECTRICAL PARTS (BASE UNIT)
68 30 CABINET AND ELECTRICAL PARTS (HANDSET)
69 31 ACCESSORIES AND PACKING MATERIALS
70 31.1. KX-TG5431BXS
70 32 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
70
71 32.1. Base Unit
73 32.2. Handset
74 33 REPLACEMENT PARTS LIST
74 33.1. Base Unit
75 33.2. Handset
76 33.3. Accessories and Packing Materials
77 34 FOR SCHEMATIC DIAGRAM
78 34.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT_MAIN))
79
80 34.2. Handset (SCHEMATIC DIAGRAM (HANDSET_MAIN)) 109
81 35 SCHEMATIC DIAGRAM (BASE UNIT_MAIN)
82 36 SCHEMATIC DIAGRAM (BASE UNIT_RF PART)
83 37 SCHEMATIC DIAGRAM (BASE UNIT_OPERATION)
84 38 SCHEMATIC DIAGRAM (HANDSET_MAIN)
85 39 SCHEMATIC DIAGRAM (HANDSET_RF PART)
86 40 CIRCUIT BOARD (BASE UNIT_MAIN)
87 40.1. Component View
87 40.2. Flow Solder Side View
88 41 CIRCUIT BOARD (BASE UNIT_OPERATION)
89 41.1. Component View
89 41.2. Flow Solder Side View
90 42 CIRCUIT BOARD (BASE UNIT_RF PART)
90 43 CIRCUIT BOARD (HANDSET_MAIN)
91 43.1. Component View
93 43.2. Flow Solder Side View
93 44 CIRCUIT BOARD (HANDSET_RF PART)
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KX-TG5431BXS / KX-TGA542BXS
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