Panasonic KX-TG9341T Service Manual - Page 81

KX-TG9341T/KX-TG9342T/KX-TG9343S/KX-TG9343T/KX-TG9344T/KX-TGA931S/KX-TGA931T 4.0V (1) 3.3V IC331 4.0V CONVERTOR (2) 5 VOUT VIN 4 L300 22uH 6 NC2 VDET 3 7 GND *RESET 2 8 CD NC1 1 Q300 VCCA C342 K1.0 C341 330u 6.3 C331 K0.47 D300 NC C300 47u 35 C304 K1.0 IC300 1 ON/*OFF 5 (3) VIN 2 VSS 3 VOUT 4 EXT DCDC_IC (4) RF_GND DIGITAL_GND 1 2 *C452 0.1u *RA451 2.2k 4 3 (5) (6) (7) (8) (9) (10) (11) (12) (13) *C455 10p *C454 10p C456 NC C179 NC MIP 1 2 *MIC1 MIN R178 C178 1k 0.022u C176 10u RX 120mVp-p 1000p R172 100k C172 E Q171 B C C173 K0.22 R176 R175 560 100 R165 27k TX 800mVp-p 47k R162 10p NC C163 C162 C Q161 E C165 NC R164 2.7k B R161 100k NC R163 12 C166 NC R166 NC C174 NC C171 C164 NC C168 2.2u R167 27 (4532) C170 NC C169 NC R171 22 K *D133 K D153 A A R154 1k *R134 1k R181 390 R182 56 C184 K1.0 C161 10u R168 820 R160 82 C160 NC C167 NC R152 3.3M R151 10M NC *Q156 B C E C181 0.1u C182 NC C183 NC (14) (15) (16) (17) *R157 NC R155 NC R145 2.2k R144 NC C143 NC C152 K0.01 *R156 NC C142 K0.01 R303 220 R304 220 R308 120 C305 K0.01 C306 100u 16 C308 K0.1 D142 NC A K D143 25V 6.5~12V Charge detection *D362 A NC *R362 *R364 10k *C361 K1000p *R365 1k C *Q362 B E E *Q361 B *R361 C 3.3k *L361 6.8u K *L362 CHARGE+ 470nH *R373 NC *R363 NC CHARGE- L372 *L371 6.8uH NC R371 NC *R372 6.8 C301 NC REFERENCE 1XX : TEL LINE 3XX : POWER, CHARGE 4XX : RESET, MIC, SP 5XX : DSP, RF I/F 6XX : FLASH, KEY, LCD 7XX : RF(2.4G) 8XX : RF(5.8G) C_DCP DCP2 F301 D301 3.0A DCP K 22V *D361 CHARGE PAD C_DCM DCM DCM2 A CHG electrostatic GND SP electrostatic GND *Q141 C B E R141 100k *R131 10M C141 NC R142 2.7k (3216) SA103 300V Q142 B C E *R133 1M *C132 K0.01 C101 680p D101 3 2 4 1 C102 680p R121 390k C121 680p R122 390k C122 680p CID L101 33u L1T *SA102 300V *SA101 12 NC L102 33u *C115 L1R P101 22 NC *R115 NC Test Signal Frequency: 1kHz Rx (MIC Mute: ON) -25dBm/600 IN 100mVp-p Tx -10dBm/600 700mVp-p R114 47k C111 0.047 R111 100k C112 R112 100k 0.047 C113 0.68 R113 10k K D113 Q111 E B C Bell detection A NC: No Components KX-TG9341/9342/9343/9344 SCHEMATIC DIAGRAM (Base Unit_Main) 81