35
KX-TG6671B/KX-TG6672B/KX-TGA660B
10.1.3. Check Playback
10.1.3.1. Base Unit
Cross Reference:
Power Supply Circuit/Reset Circuit
(P.12)
Note:
Flash Memory is IC601.
BBIC is IC1.
(*1) Refer to
Circuit Board (Base Unit_Main)
(P.81).
10.1.4. Check Battery Charge
10.1.4.1. Portable
Cross Reference:
Check Power
(P.31)
Charge Circuit
(P.20)
10.1.4.2. Charger Unit
Cross Reference:
Charge Circuit
(P.20)
Check VDDC (1.7 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
Is BBIC (IC1: 34) high at charge state?
Check
Charge Circuit
.
Check
Power
of Portable.
Is
Check Power
OK?
NO
NO
YES
Check
Charge Circuit
of Charger Unit.
Check Portable.
Plug in the AC Power source.
Charge Portable on Charger Unit.
Is the voltage of two charge contacts about
3 V or more?
OK
NO
Check Charge Contacts at Charger Unit
from mechanical point of view.
YES
