Read Panasonic KX-TG8288UAT / KX-TG8287UAT / KX-TGA828UAT / KX-TGA828RUT Service Manual online
9
KX-TG8288UAT/KX-TG8287UAT/KX-TGA828UAT/KX-TGA828RUT
4.2.2.
Power Supply Circuit
The power is supplied to the DECT BBIC, RF Module, EEPROM, TAM Companion, OP Amp, and Charge Contact from AC
Adaptor (+6.5V) as shown in Fig.101. The power supply is as follows;
Adaptor (+6.5V) as shown in Fig.101. The power supply is as follows;
• DECT BBIC (IC501):
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC301 → Q301 → IC501
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC301 → Q302 → IC501
• RF Module (IC801):
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC302 → IC801 (PLL) (Power AMP)
• EEPROM (IC502)/FLASH MEMORY 1 (IC602)/FLASH MEMORY 2 (IC603)/Latch (IC605~608)/OP Amp (IC102):
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC301 → Q302 → IC602, IC603, IC102, IC605, IC606, IC607, IC608, IC502
• TAM Companion (IC601):
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC301 → IC601
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC301 → Q301 → IC601
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC301 → Q302 → IC601
• OP Amp (IC101, IC201):
CN301 (+6.5V)
→ F001 → D303 → IC303 → IC301 → Q301 → IC101/IC201
• Charge Contact (CHARGE+):
CN301 (+6.5V)
→ F001 → D303 → R301, R302 → D302 → CHARGE+
<Fig.101>
Click on the first or last page to see other KX-TG8288UAT / KX-TG8287UAT / KX-TGA828UAT / KX-TGA828RUT service manuals if exist.