Panasonic KX-TG9341T Service Manual - Page 20

Block Diagram Handset

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KX-TG9341T/KX-TG9342T/KX-TG9343S/KX-TG9343T/KX-TG9344T/KX-TGA931S/KX-TGA931T 4.5. Block Diagram (Handset) IC541 EEPROM X501 13.824 MHz Q531 CHARGE DETECT Q362, Q364 CHARGE CONTROL CHARGE Q361 BATTERY RST D361 IC374 RST IC371 2.7 V REGULATOR MIC IC561 DC/DC CONVERTER LCD BACK LIGHT LED551-554 (KEY) Q562 LED561 (ANT) Q561 SP Headset Jack CN431 R436/R437 HEADSET DETECT Monitor SP CI WP, CLK, DATA CHG_DET CHG_CTL RESET PDN SYN_OUT SYN_EN SYN_CLK SYN_DATA SLOT_CTROL RADIO_EN TXDATA RXDATA VCC VCCA VCCPA MIP MIN IC501 DSP SPP1 LCD BACKLIGHT SPN HSM HEADSET_DET BL_LED ANT_LIGHT SPP2 SPPN CI KEYSTOROBE_A~E KEYIN_1~5 ANT RF part V_PA V_RF IC372 DC/DC CONVERTER IC373 DC/DC CONVERTER LCD KEYS KX-TGA931 BLOCK DIAGRAM (Handset) 20

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20
KX-TG9341T/KX-TG9342T/KX-TG9343S/KX-TG9343T/KX-TG9344T/KX-TGA931S/KX-TGA931T
4.5.
Block Diagram (Handset)
V_PA
V_RF
2.7 V
IC374
IC371
IC501
IC541
MIP
MIN
SPP1
LCD BACKLIGHT
SPN
ANT_LIGHT
HSM
HEADSET_DET
SPP2
SPPN
CI
CI
VCCPA
VCCA
VCC
PDN
DSP
RESET
CHG_CTL
CHG_DET
WP, CLK, DATA
KEYSTOROBE_A~E
KEYIN_1~5
Q531
CHARGE
DETECT
CHARGE
Q361
D361
Q362, Q364
CHARGE
CONTROL
RST
IC561
DC/DC
CONVERTER
REGULATOR
MIC
SP
Headset Jack
CN431
R436/R437
LED561
HEADSET
DETECT
Monitor SP
LCD
KEYS
RF part
ANT
X501
13.824 MHz
EEPROM
BATTERY
Q561
LCD
BACK
LIGHT
RST
(ANT)
IC372
DC/DC
CONVERTER
IC373
DC/DC
CONVERTER
SYN_OUT
SYN_EN
SYN_CLK
SYN_DATA
SLOT_CTROL
RADIO_EN
TXDATA
RXDATA
KX-TGA931 BLOCK DIAGRAM (Handset)
BL_LED
Q562
LED551-554
(KEY)