Read Panasonic KX-TG6561RUT / KX-TGA651RUT Service Manual online
31
KX-TG6561RUT/KX-TGA651RUT
9.1.3.
Check Playback
9.1.3.1.
Base Unit
Cross Reference:
Power Supply Circuit/Reset Circuit (P.10)
Note:
Flash Memory is IC601.
BBIC is IC1.
BBIC is IC1.
9.1.4.
Check Battery Charge
9.1.4.1.
Base Unit
Cross Reference:
Charge Circuit (P.11)
9.1.4.2.
Handset
Cross Reference:
Check Power (P.29)
Charge Circuit (P.16)
Charge Circuit (P.16)
9.1.4.3.
Charger Unit
Cross Reference:
Charge Circuit (P.16)
Check VDDC (1.2 V): Test Point [VDDC]
OK
Check Power Supply Circuit.
Check output of BBIC (Pin 29, 31).
OK
Check BBIC and Flash Memory.
Check Speaker and its surroundings.
NO
NO
Check Charge Circuit of Base Unit.
Check Handset.
Plug in the AC Power source.
Charge Handset on Base Unit.
Charge Handset on Base Unit.
Is the voltage of two charge contacts about
3 V or more?
3 V or more?
OK
NO
Check Charge Contacts at
Base Unit from mechanical point of view.
Base Unit from mechanical point of view.
YES
Is BBIC (IC1: 52) high at charge state?
Check Charge Circuit.
Check Power of Handset.
Is Check Power OK?
NO
NO
YES
Check Charge Circuit of Charger Unit.
Check Handset.
Plug in the AC Power source.
Charge Handset on Charger Unit.
Charge Handset on Charger Unit.
Is the voltage of two charge contacts about
3 V or more?
3 V or more?
OK
NO
Check Charge Contacts at Charger Unit
from mechanical point of view.
from mechanical point of view.
YES
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