Panasonic KX-TG6671B

9
KX-TG6671B/KX-TG6672B/KX-TGA660B
4.2. Block Diagram (Base Unit_Main)
TEL Line
D101
Q902
RLY
Transistor
RLY
Transistor
RLY
Transistor
RECEIVE AMP
INUSE DETECT 1
- +
~ ~
- +
~ ~
Hook SW
Q903 Q904 Q905
Q907 Q913 Q914
Q161
LOUT
Side Tone Circuit
Q171
LIN
Hook
LCD_BLT
Pulse
R151,R152
BELL DETECT
- +
~ ~
- +
~ ~
Ringer
IC
BELL
DCIN2
DCIN1
HSMIP
HSMIN
D907
IC903
RF_PART
3.5V
VBAT_APU
Vbat_apu
VCC_VCO
VBAT
3.3V
R131,R133
INUSE DETECT 2
VCCPA
Key switch Matrix
GPIO ( 11-16) GPIO ( 4,5,10,17,18,3)
LED
SP_LED ANS_LED MSG_LED
LCD_RST
LCD Module
Serial Flash memory
Serial EEPROM
SP_MIC_ON HS_MIC_ON
IC904
X5
X’tal
(13.824Mhz)
XOUT
XIN
IC501
Handset
Speaker
Mic
LCD_CS,LCD_CD
SPI2_CLK,SPI2_DO
DOUBOUT VCCA
3.0V
SPI_CLK SPI_DO SPI_DI
SPI_DI
IC601
EEP_SCL, EEP_SDA EEP_WP
EEP_SCL EEP_SDA EEP_WP
SPI_CS
SPI_CS
SPI_CLK SPI_DO SPI2_CLK,SPI2_DO
KEYS_A-F KEYIN_1-6
LCD_RST
IC611
BBIC
EXPDR_CS
EXPDR_CS
EXPDR_CLR
EXPDR_CIR SPOUTP SPOUTN
VCC
LED
VDD VCC
LCD backlight
VCC
3.5V
IC302
3.5V
IC902
Ringer SW
Ringer
DET
R331,R332
+5.5V
POWER_FAIL
DCINS
COREOUT
ANT1 ANT2 RXp
RXn
RXON
TXON
TXp
TXn
VDDC1 VDDC VDDC2
DC
5.5V
Q909
28 16 6 7
59
18
17 25 24
37
56
10
30,39,41
35
36
34
79-84
33
+5.5V
R933,Q911,Q906
71,72,78 85,87,70
2,5
4,3
15 21 75
74
73 77
67,68
69 57 26
31,29
ANT2
27
22,23
HSSPOUTP MIP MIN
VBAT
KX-TG6671/6672 BLOCK DIAGRAM (Base Unit_Main)
9 61 8
ANT1