TCL HW868(29)TSDL(LCD)型20信道全制式來(lái)電顯示無(wú)繩電話機(jī)

1、10 12 C77 7 2 C123 U10A C85 INT-TALK 1 2 13 C117 R71 1 TIP 8 U11 6 KA2418 3 C78 R74 LINE INT-CON R73 C121 R126 5 4 SW2 3 6 C79 R72 INT-CON LINE TX-POWER DP TX-DATA R133 HOOK2 ON OFF HI /CD C122 R127 VDD U12 SM8221P 2 7 FSK-DATA DO RING C31 D18 LO PWD TX-AUDIO 5 REG1 C99 4 GND CLK 5 R97 3 4 U10B D21

2、C126 9 C130 C125 8 R125 R124 防工業(yè)出版社 R99 C100 VR6 D19 10 U10C C118 D20 Q22 GOOD TONE DIAL-MUTE PLL-EN DTMF(MUSIC) VDD GND DTMF-DE SWITCH PLL-DATA MAIN R101 MIC1 C101 R102 C102 Vcc U10 CD4066 C80 GND R37 C106 6 5 C108 SP1 25/0.5W MAIN SPK1 SPK2 TONE C41 R106 4 7 R108 8 U9 JRC386 3 VR5 C110 C109 R103 C

3、103 R104 C104 HF MIC C107 1 2 VR7 C105 R115 R107 R105 D21 C119 C111 D25 DTMF-DSO D3 D2 D1 D0 PLL-CLK DTMF-DSO RING-DET FSK-DATA RX-DATA CL1 CL2 CL3 CL4 RESET MAIN 1 18 C120 R123 2 17 R114 R112 3 R69 R121 4 16 15 5 6 U13 HM9270D 14 7 13 C127 30P X4 3.58MHz 12 8 11 C128 30P 9 10 TCL HW868 29 L2 R4 R8

4、C8 R5 R11 RX-DATA C14 C15 R15 C16 R16 21 TP5 20 R20 C21 C17 R17 C20 RX-AUDIO R12 R13 C18 C19 VDD C9 R6 30 29 28 27 25 31 26 RAO DSCI DLCO MFO 24 LD GNDRX QCI VREF ALC EPI ERC EO 22 23 C12 C7 C10 C11 R9 R10 T3 TP3 R7 TP4 C13 MAIN VC1 CF2 455kHz TSDL LCD 型20信道全制式來(lái)電顯示無(wú)繩電話機(jī)主機(jī)射頻電路原理圖 C6 Y1 10.245MHz ANT1

5、 C3 R3 C5 L1 C4 C1 ANT R1 RX C2 DF1 45MHz/48MHz 34 32 36 35 33 37 2LIO 2MO 2MI Vcc(RX) LI 2LOI 38 IMO 39 1LOI C30 40 1LOI VCO RX R33 41 CF1 10.7MHz TX R2 T2 R14 U3 5 6 + R19 R18 7 U3 LM358 C28 T1 42 19 C22 1MI Q1 43 U1 TB8528B SA1 D111 D112 R21 RSSI 1 C22 3 U3 + 2 R23 R22 SAO1 18 VDD 1MI VR2 44 GND

6、PLL SAO2 17 C23 VR1 RX-AUDIO C29 PDR C32 46 VREF R30 R31 R32 45 Vcc 16 L3 MAIN 防工業(yè)出版社 GND 15 C24 R24 47 Vcc 48 C37 C49 R43 C50 C47 C48 R42 VD1 R46 T4 C46 C51 C52 R47 C53 C54 R48 R49 L5 C27 Q5 MAIN R29 VR3 R44 R45 C55 C56 PLL-EN PLL-DATA PLL-CLK CDI TX-DATA TX-POWER TIF PDT 1 CO 2 SFI 3 CPI+ 14 R26 E

7、N 9 R25 C25 C26 R27 CLK 7 DATA 8 CPI- 13 LBD AGIC CRC 10 11 12 R28 Q32 SFO LDT/CDOGND 4 6 5 TX-AUDIO C31 C33 C34 C35 C36 R36 R34 C38 C39 C40 R39 R40 C41 L4 R38 R35 Q4 C44 C45 C43 C42 Q3 Q2 R37 R41 TCL HW868 Vcc C7 TP4 R7 C8 R8 RX-DATA C10 34 36 35 32 33 2LIO 2MO 2MI Vcc(RX) LI 2LOI IMO EPI ERC EO 20

8、 21 C15 C14 22 ALC 23 R9 C13 VREF 24 C11 30 29 28 27 25 31 26 RAO DSCI DLCO MFO LD GNDRX QCI C9 R6 C4 R4 C5 R5 C3 C6 VC1 R2 T3 TP3 R3 CF2 455kHz 29 TSDL LCD 型20信道全制式來(lái)電顯示無(wú)繩電話機(jī)手機(jī)射頻電路原理圖 ANT1 C2 L3 Y1 10.245MHz C1 ANT RX DF1 45MHz/48MHz 37 38 39 1LOI C21 40 1LOI VCO RX R15 41 CF1 10.7MHz TX R1 C12 VR1 T2 C22 T1 42 1MI Q1 43 U1 TB8528B SA1 19 1MI SAO1 18 C16 44 GND PLL SAO2 17 SP1 C17 C23 PDR C25 46 VREF R16 45 R17 R18 Vcc 16 R10 R11 C24 防工業(yè)出版社 G