Read Panasonic KX-T7436C / KX-T7436C-B Service Manual online
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KX-T7436C/KX-T7436C-B
When you note the serial number, write down all of the 11 digits. The serial number may be found on the label affixed to the bottom of the unit.
TABLE OF CONTENTS
Page
FOR SERVICE TECHNICIANS ................................... 2
LOCATION OF CONTROLS ........................................ 3
DISASSEMBLY INSTRUCTIONS ................................ 4
IC DATA ....................................................................... 6
BLOCK DIAGRAM ..................................................... 13
CIRCUIT OPERATIONS ............................................ 14
TROUBLESHOOTING GUIDE ................................... 26
TERMINAL GUIDE OF IC’S TRANSISTORS,
AND DIODES ..... 31
Page
HOW TO REPLACE THE FLAT PACKAGE IC .......... 32
PRINTED CIRCUIT BOARD ................................ 35, 42
WAVEFORM .............................................................. 37
SCHEMATIC DIAGRAM ............................................ 41
CABINET AND ELECTRICAL PARTS LOCATION ... 43
ACCESSORIES AND PACKING MATERIALS .......... 44
REPLACEMENT PARTS LIST ................................... 45
FOR SERVICE TECHNICIANS
1. Note the following items when exchanging the LEDs (Ref. No. D100-130, 201) of Dial P.C. Board.
1) Do not reuse a LED which is removed from the P.C. Board.
2) Use a soldering iron (less than 15 W) for exchanging LED.
3) Do not heat the LED for more than 2 seconds.
4) Do not move the LED after soldering.
2. This unit employs the switch which is influenced by the light for the hook switch. When you open the cabinet to repair
the unit in the bright light, the hook switch might work improperly. Therefore, take care not to shine the hook switch
directly, or use the jig as shown below.
SW 1 (HOOK SWITCH)
P. C. B.
JIG (Part No. PSHG1176Z)
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