
14
KX-TG155SK/KX-TGA660M
4.6.6.
Power Supply Circuit/Reset Circuit
The power supply voltage from AC adaptor is converted to VBAT (3.0V) in IC302. And +3.0V for peripherals and analog part is
insulated from VBAT by Doubler of BBIC.
Circuit Operation:
+5.5V
+5.5V
+3.0V
+3.0V
+1.8V
+3.0V_CP
IC501
IC302
IC502
BBIC
AC Adaptor
3.0V
REGULATOR
QSPI FLASH
VDD3
VDD1
VDD4
+3.0V_CP2
IC601
TAM FLASH
IC611
EEPROM
VDD5
RF Part
LEDs
Q301
Bluetooth
unit
+2.4V
VDD2
Q302
+4.0V
IC381
IC751
IC721
Startmonitor
(IC501 57pin)
VDDC (1.2 V)
VBAT
Reset (RSTN)
(IC501_77pin)
BBIC chip initialize
(CKM/STM)
Содержание KX-TG155SK
Страница 55: ...55 KX TG155SK KX TGA660M Ԛ ԛ A Attach the LCD and fix by hook A two points Solder the wires A ...
Страница 79: ...79 KX TG155SK KX TGA660M Memo ...
Страница 82: ...82 KX TG155SK KX TGA660M 14 7 Schematic Diagram Handset_LED LED KX TGA660 SCHEMATIC DIAGRAM Handset_LED ...
Страница 84: ...84 KX TG155SK KX TGA660M Memo ...
Страница 96: ...96 KX TG155SK KX TGA660M 16 4 Accessories A1 A2 A3 A4 A5 ...