Read Panasonic KX-TPA65RU / KX-TPA65RUB Service Manual online
11
KX-TPA65RU/KX-TPA65RUB
4.3.6.
LCD Circuit
The LCD is controlled by SPI (LCD_SCL, LCD_/RST, LCD_/CS, LCD_SID, LCD_CD).
LCD back-light has 3 modes which currents are controlled by IC1.
LCD back-light has 3 modes which currents are controlled by IC1.
4.3.7.
LED Circuit
IC1 controls Ringer LED on sub P.C.B.
LCD_SCL
LCD_SID
LCD_CD
LCD_BL2
LCD_BL1
C133
CN1
8
NCS
CN1
1
LED2
CN1
11
VCI
C134
CN1
10
DNC_SCL
CN1
7
DB0_SDA
CN1
4
VSSA
CN1
3
4V
CN1
9
NRESET
CN1
5
IOVCC
D3.2V
CN1
2
LED1
CN1
6
NWR_RNW
R118
DG
4.5V
C135
DG
C136
C140
C431
C432
128x160dot
To 1.8 TFT Color LCD
LCD_CS
LCD_RST
IC1
9
8
10
3
4
30
27
LCD_/CD
LCD_SCL
LCD_SID
LCD_/CS
5.8ms
0.88us
C132
DG
RINGER_LED_K
4.5V
LED1
R117
BELL BLUE
IC1
4
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