PANASONIC KX-FL403 free download

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Spring Pressure Roller Paper Path Heat Roller Thermistor Halogen Heater Thermostat and Thermal Fuse

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LCD CN101 VSS VDD V0 RS R/W E DB4 DB5 DB6 DB7 P.F SENSOR DOC.SENSOR CN102 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 HOOK SW THERMISTOR OPERATION PANEL BOARD CIS AC POWER SCAN MOTOR A B XA XB COM RPS THERM2 KSTART KTXD KSCLK OPERST GND +5V SIG GND +5VD SI CLK GLED VLED COM XB XA B A AC(N) 3 AC(L) TO TELEPHONE LINE CN206 CN207 1 2 3 4 5 6 TO EXTANT TELEPHONE CN202 R1 T1 - T R - ANALOG BOARD No 27 25 23 21 19 17 15 13 11 9 7 5 3 1 NAME BREAK/CDL_RXD SP_MUTE VOL0/MURA1 VOL1/F_MUTE -5V VOL2/CRESET MODEM_RX_IN TONE MODEM_TX_OUT NC VOX/NISHI1 MIDATA/CDL_RTS MICLK/CDL_CTS MILATCH/CDL_TXD No 28 26 24 22 20 18 16 14 12 10 8 6 4 2 NAME +24V +5VA AG DG DG +4V +4V P_SHORT/T-ON_OFF DCN LIN_RLY/T-PAT1 LIN_RLY/T-PAT0 BELL EXTHOOK/POL_N HS_ALC/POL_P 1 2 3 4 HSSP+ HSMICHSSPHSMIC+ CN106 CN110 CN107 CN102 CN115 1 No 2 4 6 8 10 12 14 16 18 20 22 24 26 28 NAME BREAK/CDL_RXD SP_MUTE VOL0/MURA1 VOL1/F_MUTE -5V VOL2/CRESET MODEM_RX_IN TONE MODEM_TX_OUT NC VOX/NISHI1 MIDATA/CDL_RTS MICLK/CDL_CTS MILATCH/CDL_TXD No 1 3 5 7 9 11 13 15 17 19 21 23 25 27 NAME +24V +5VA AG DG DG +4V +4V P_SHORT/T-ON_OFF DCN LIN_RLY/T-PAT1 LIN_RLY/T-PAT0 BELL EXTHOOK/POL_N HS_ALC/POL_P CN101 +24V +24V PG PG DG +5V +4V +4V HTRCTL PDWN 1 2 3 4 5 6 7 8 9 10 CN214 28 1 2 3 4 5 6 7 8 9 10 SMPS HEATER CN1 1 TO HANDSET 1 2 3 4 5 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 1 1 2 3 4 5 6 CN2 FG AC(N) 3 CN204 1 1 2 28 DIGITAL BOARD RESIST SENSOR 1 2 3 1 2 3 4 1 2 Speaker GND FANDET FANON A XA B XB PICKUP GND PAPER SENSOR CN103 1 2 3 4 5 6 7 8 +24V GND CHG DEV TRS HVERR TOPCVR DRUM CN1 1 2 3 4 5 6 7 8 CN113 CN112 CN111 CN114 1 2 3 No 1 2 3 4 5 6 7 8 NAME +5VD TXD RXD RTS CTS DSR DTR GND CN101 CN109 CN105 1 1 2 3 4 5 8 CN104 1 2 3 4 5 6 7 1 2 3 4 5 COVER OPEN SW (HVPS POWER SW) THRM1 GND LED POUT CTL +5V TNREMP GND POLCLK XREADY POLON DG +24V XHSYNC GND +5V XAPC XLDEN XVIDEO DG TO PC PROGRAM WRITER HVPS LSU PICKUP SOLENOID TRANSFER ROLLER TRA OPC GEAR UNIT OPC DRUM DEV CN50 XB B XA A MAIN MOTOR 1 2 3 DEVELOPING ROLLER DRUM SW GRID TONER SENSOR (Hall IC) DC FAN DRUM UNIT CHG THERMO STAT THERMO STAT HEAT LUMP HEATER BOARD CN52 5 4 3 2 1 SENSOR BOARD 1 2 3 CN51 THERMISTOR THRM1 GND EXIT SENSOR FUSER UNIT

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PCB0 EXIT SENSOR CN52 CN51 THERMISTOR TONER SENSOR CN50 DC FAN LSU PICKUP SOLENOID OPERATION PANEL DIGITAL P.C.B CN113 CN111 CN105 CN104 CN112 CN114 THERMISTOR DOCUMENT SENSOR KEY MATRIX LCD 4.914MHz HIGH VOLTAGE P.C.B CN102 CN110 PAPER FEED SENSOR G/A G/A PAPER SENSOR PS101 RESIST SENSOR DTMF +24V T1 CHG IC107 DEV 64Mbit SDRAM IC108 CLK COVER OPEN SW GRID HOOK SW PS102 CN103 ENGINE MOTOR CN101 IC105 DRIVER IC101 14.4K MODEM 32.256 MHz CN2 16Mbit FLASH T61 TRA OPC DRUM DETECT SW IC111 SCAN MOTOR CN106 DRIVER IC103 POWER SUPPLY ASIC IC106 8bit CPU +5V HEAT LAMP CN102 CN201 CIS (4.608ms/line) CN107 Image Processing RTC +24V +4V 24MHz 32.768KHz FLASH PROGRAMMER CN109 CN115 28 CN102 CN202 ANALOG P.C.B CN201 ANALOG ASIC TO LINE TO EXT_TEL CN203 HANDSET CN200 CN204 TO AC220-240V SPEAKER

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CN106 TO TXMOTOR CN109 TO PC CN102 TO SMPS +5V +24V FLASH ROM IC105 XROMCS MOTOR DRIVER IC103 RESET RESET/REGULATOR IC104 +3.3V PC I/F SDRAM IC108 SDCLK etc RESET +5V +3.3V +2.5V CPU ASIC IC106 CN107 TO CIS A/D Image Processor MODEM IC111 BUS I/F DTMF IC IC109 Print Controller CLK(16MHz) CN115 TO ANALOG TX_OUT RX_IN CN105 TO POLYGON CS INT CN104 TO LASER G/A IC107 CN110 TO OPE ANALOG ASIC Controll E-VOL Controll SENSOR Detect FAN Controll Motor Controll I/O port DTMF IC Controll PS101 PS102 MOTOR DRIVER IC101 CN101 TO RXMOTOR CN112 TO PICK CN111 TO EXIT CN114 TO TNR CN113 TO FAN CN103 TO HVPS

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HSalc1 Not used DCN Not used T R SIDE TONE CH TONE LINERLY EXTHOOK Not used Not used CPC CPC P-SHORT BREAK CIDRLY CIDRLY Not used Bell1 T R CIDYLY MDMMON MDMRX MDMTX POL_P POL_N Not used MODEM BoA 9600 or 14.4K TONE 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 VOL0 VOL1 VOL2 SP(+) SP(-) 8 7 6 5 6 6 6 14 11 10 9 6 0/-3 -20/-30 0/-6/-12 SPMUTE CD GND VCC FC2 FC1 MUTE2 0 -3/ at1dB D 0 -8/ at1dB MUTE1 1 2 3 4 AAAAA 54321 DET 0/-6 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AGC MLAT MCLK MDATA VOX HS_MIC(+) HS_MIC(-) HS_SP(+) HS_SP(-)

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LCD MODULE G/A CN101 CN110 IC107 CN102 GATE ARRAY IC IC101 8x5 KEYS MATRIX (Hard) LED DIGITAL BOARD OPERATION BOARD

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Block Diagram AC Input CN1 F2 Input Circuit F1 Rectifier Circuit C5 D10-D13 B A T1 G Kick-on Voltage Circuit R2 R3 R4 Q1 D101 24V Output Circuit C101 D501 5V Output Circuit C501 IC501 PG +5V +24V Converter Circuit C D Surge absorber circuit A-B Voltage Wave Form R41 0 C-D Voltage Wave Form Control Circuit O.C.L Over voltage E D401 4V Output Circuit C401 F H Error Detecting Circuit PC1 Photo Triac Caupler PC2 HTRCTL IC401 DG +4V 0 E-F G-H Voltage Wave Form 0 CN2 Heat Lamp Triac SCR1

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1/4 +24V R129 0 NC ) ) ) NC +3.3V C176 Z0.1u ( 35V100u CN102 C102 Z0.1u C106 +24V 1 +24V 2 PG 3 PG 4 DG 5 +5V 6 +4V 7 +4V 8 HTRCTL 9 PDWN 10 IC115 1 2 3 GND CE/ C1VIN 6 5 4 +5VD +4VD Z0.1u Z0.1u Z0.1u R130 0 ( (a) Z0.1u C186 Z0.1u C188 R131 0 +5VD ( NC RBA[4] C177 J27p C314 NC C125 6.3V100u ) NC Z1u K1u 6.3V100u C1+ VOUT C126 C259 C260 +5VD TP_FRY R142 IC105 RBA[3] 1 RBA[2] 2 RBA[1] 3 RBA[0] 4 5 A[12] 6 A[11] 7 A[10] 8 A[9] RBA[7] 9 RBA[8] 10 11 12 RBA[9] 13 14 15 RBA[6] 16 RBA[5] 17 18 A[8] 19 A[7] 20 A[6] 21 A[5] 22 A[4] 23 A[3] 24 A[2] A16 A15 A14 BYTE VSS A13 A12 DQ15/A-1 DQ7 A11 DQ14 A10 DQ6 A9 DQ13 A8 DQ5 A19 DQ12 A20 DQ4 WE RESET VCC DQ11 NC WP/ACC DQ3 RY/BY DQ10 DQ2 A18 DQ9 A17 DQ1 A7 DQ8 A6 DQ0 A5 OE A4 VSS A3 CE A2 A0 A1 VI1 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 +3.3V IC108 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 VSS VDD DQ00 DQ15 VDDQ VSSQ DQ14 DQ1 DQ13 DQ2 VSSQ VDDQ DQ12 DQ3 DQ11 DQ4 VDDQQ VSSQ DQ10 DQ5 DQ9 DQ6 VSSQ VDDQ DQ8 DQ77 VSS VDD NC LDQM /WE UDQM CLK /CAS CKE /RAS NC /CS BA0 A11 BA1 A9 A10/AP A8 A0 A7 A1 A6 A2 A5 A3 A4 VDD VSS 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 ) NC C313 C117 Z0.1u C181 C315 R140 4.7K 4.7K ( ) NC C115 Z1u -5V +3.3V HTRCTL Q113 Q115 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 8 7 6 5 8 7 6 5 8 7 6 5 8 7 6 5 D[15] D[7] D[14] D[6] D[13] D[5] D[12] D[4] D[11] D[3] D[10] D[2] D[9] D[1] D[8] D[0] RA102 47 RA103 47 +3.3V D[3] D[2] D[1] D[0] D[7] D[6] D[5] D[4] R164 R165 R166 R167 22 22 22 22 R168 22 4 5 3 6 2 7 1 8 RA112 22 5 4 6 3 7 2 8 1 RA113 22 5 4 3 6 2 7 1 8 RA117 22 4 5 3 6 2 7 1 8 RA118 22 (b) (c) (d) (e) (f) (g) (h) (i) Z1u ( ( PDWN R150 47K J100p C300 J27p Z0.1u +24V Q112 Q110 Q105 Q103 K1000p L102 J100p +24V GND CHG DEV TRS HVERR TOPCVR DRUM 1 C301 C158 C162 DEV TRS WP HVERR C137 NC ) ) NC ) NC 2 3 4 5 RA105 47 RBA[5] RBA[6] RBA[3] A[6] A[7] A[8] A[9] C178 J27p RBA[4] RBA[2] RBA[1] RBA[0] A[12] A[11] A[10] J100p C302 A[1] J100p C303 6 7 +5VD R123 10K R121 R141 +4VD Q124 R132 +3.3V +2.5V F36K F1.1K C127 Z0.1u R126 0 10K C169 ( C170 ( C171 ( C179 Z0.1u TOPCVR DRUM C184 J15p ( ) J100p C304 8 C185 J15p R176 R177 22 22 47K CN104 DG XVIDEO XLDEN XAPC +5V GND XHSYNC 7 6 5 4 3 2 R102 C299 100 L104 J10p NC +3.3V ) 22 RBA[8] 22 RBA[7] 8 RBA[6] 7 RBA[5] 6 RBA[4] 5 RBA[3] 8 RBA[2] 7 RBA[1] 6 RBA[0] 5 A[12] Z0.1u Z0.1u C134 C116 RA106 47 8 7 6 5 8 7 6 5 8 7 6 5 R105 R160 ( R161 1 2 RA101 3 47 4 1 2 3 4 1 2 RA107 3 47 4 1 2 RA108 3 47 4 1 2 RA109 3 47 4 1 47K RESET R112 100 +2.5V C254 Z0.1u C255 C151 Z0.1u C104 6.3V100u ( ) C164 Z0.1u C168 Z0.1u Z0.1u C156 Z0.1u Z0.1u R158 0 R117 47K +24V C103 35V100u +5VD VDD3.3V 108 RBA8/OP05 107 RBA7/OP04 106 RBA6 105 RBA5 104 RBA4 103 RBA3 102 RBA2 101 RBA1 100 RBA0 99 VDD2.5V 98 VSS 97 ADR12 96 ADR11 95 ADR10 94 ADR9 93 ADR8 92 ADR7 91 ADR6 90 ADR5 89 ADR4 88 A

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(1) (2) (4) (5) (7) (8) (10) (12)(14) (16) (18)(20) (22)(24) (26) (28) (30) (3) (6) (9) (11)(13)(15)(17)(19) (21) (23)(25) (27)(29) (31)(32) (34)(35) (37)(38) (33) (36) 2/4 XB XA X102 24MHz J68p J12p B TO ENGINE MOTOR +24V C112 35V100u +5VD +5VD C180 A AIN1 AIN2 AIN3 RESET C159 Z0.1u C146 C147 C148 K0.1u K0.1u K0.1u R175 1M C182 +3.3V (r) C183 J15p K1000p 47K C161 47K R155 330K D108 R169 18K D106 F104 C118 NC R251 10K R124 C152 J12p C311 J101 R133 B 3 0 C131 Z0.1u +24V NC ) KSTART INT CS RPS KTXD KSCLK D101 NC ) NC D104 GND GND IC113 NC A[6] A[5] A[4] A[3] A[2] A[1] A[0] 8 9 PG 10 11 12 13 14 C109 50V330u Z0.1u PG R107 C111 R113 0.47 1W 0.47 1W PG VDD3.3 75 PG KSTART INT XCS XRESET VSS CLK VSS VDD3.3 XRD XWR TEST1 TEST0 ADR6 ADR5 ADR4 ADR3 ADR2 ADR1 ADR0 VSS 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 R122 C120 J100p Z0.1u C123 ) C166 Z0.1u PG +5VD 4 V- 33K +5VD PG 1 2 3 R262 4.7K A 21 Out3 C/R 20 NC9 VsB 19 NC10 NC19 18 RsB l1 17 NC12 IN3 16 Out4 IN4 15 VmmB Vcc-15 R134 ( ( NC ( ) NC NC RBA[9] ) ( ) 29 30 CLK XB 4 R138 NC R259 10K INT CS CLK WP 10 XA 2 R252 XUSBCS MDMINT MDMRESET XUSBCS TMA TMB TMXA TMXB TMPWR A 1 1 2 3 4 5 6 7 VmmA Vcc-28 Out1 IN1 nc3 IN2 RsA Io nc5 NC24 nc6 VsA Out2 Vr 28 27 26 25 24 23 22 R163 CN101 C155 J15p ( +5VD Z0.1u C136 PG ) R156 4.7M 10K NC IC101 K1000p RMA RMXA RMB RMXB 32.768KHz X101 R171 (s) +3.3V 3.15A Z0.1u C119 R157 ) L119 L120 L121 L122 2.2K Q116 R149 ( 1M ) 10K ( R162 ) ( ) NC TRS HTRCTL POLCLK POLON XREADY XHSYNC XLASERON XAPC XVIDEO BAT101 TP_CHK ( ) NC (t) Z0.1u C154 R170 ( Q123 ) ( K3300p D103 D105 C124 V+ 8 C128 NC ( ( PG ( ) (R253) RMPWR2 C153 Z0.1u Q114 R254 7 6 5 +3.3V (u) (v) (w) ) ) ( Z0.1u ( C157 Z0.1u NC NC ) B +3.3V PG PG PG R116 NC 0 4.7K PG R118 2.2K R120 2.2K R125 0 CISON R151 R152 R153 R154 270 270 270 270 C145 Z0.1u KRXD/IP23/SENIN3 KTXD KSCLK KLATCH/OP24/SENCTL3 +3.3V +5VD +3.3V +5VD 0 R109 NC +5VD XAPC XLASERON XVIDEO APC LDON VIDEO RMA RMB RMXA RMXB R110 Q102 10 C108 6.3V220u L156 C101 J100p Q111 NC CN107 SIG 1 GND 2 +5V 3 SI 4 CLK 5 GLED 6 VLED 7 AIN1 ( ) L155 R135 R136 4.7K C132 J180p C130 J180p Q106 4.7K R256 R128 100 100 FTG F1 CISLEDON L157 L158 L111 L159 L112 L113 L114 L115 BEAD BEAD BEAD BEAD BEAD BEAD BEAD SENIN1/IOP01 SENIN2/IOP02 SENCTL2/IOP06 SENIN3/IOP03 SENCTL3/IOP07 IOP63/XCBUSY1 SENIN0/IOP00 IOP64/XCBUSY2 IOP30(XHSYNC) IOP31 IOP32 VDD5 VSS IOP33 IOP34 IOP35 IOP36 IOP37 IOP40 IOP41 IOP42 IOP43 IOP44 VDD5 TO CIS ( ) RMPWR2 FANDET FANON1 BREAK FANON2 CID_RLY LIN_RLY VOX/NISHI1 SENCTL0 SENCTL1 BEAD BEAD BEAD BEAD +5VD C324 6.3V100u C325 Z0.1u 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 VSS C149 Z0.1u L125 L126 L127 L128 BEAD BEAD BEAD BEAD BEAD +5VD +3.3V R159 ) BEAD BEAD C165 Z0.1u L160 C160 Z0.1u L116 L117 C261 C262

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3/4 +3.3V (a) Q117 ( (b) (c) (d) (e) (f) (g) (h) (i) D[12] D[13] D[14] D[15] D[8] D[9] D[10] D[11] ) R193 ) NC +3.3V IC112 1 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 20 19 18 17 16 15 14 13 C210 ( ) NC SERIAL_SW CDLTXD CDLRTS RA126 NC 1 8 2 7 6 3 5 4 ( NC 2 3 4 5 6 7 TP_RTS CDLRXD 0.63A F105 RXD RTS CTS TXD +24V CDLCTS 8 9 10 CN112 D111 1 PICK 2 GND TO FLASH PROGRAMMER +5VD 12 11 TO PICK_UP R263 NC NC PICKUP R232 1K Q122 ) ( 4.7K 47K 47K 47K CN109 +5VD 1 +5VD PG R187 R192 R226 RXD 3 RTS 4 CTS 5 DSR 6 R239 THRM2 2 KSTART 3 100 R255 0 KTXD 4 KSCLK 5 OPERST 6 GND 7 100 100 C224 J180p 180 1K R212 R213 R214 L142 L143 L144 KSTART KTXD KSCLK OPERST FANON2 Q118 R235 4.7K 1/4W (k) GND 8 (m) D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] C232 +5V 8 L145 R215 +5VD R240 R250 TO OPE K1000p F39K R219 C236 R227 ADSEL2 F33K R228 1K FANON1 FANDET Q119 4.7K 1/4W Q121 R238 100 R246 39 1/2W 10K (n) C328 J100p Z0.1u R236 10K 270 +5VD 0 R249 (j) DTR 7 10K 1 2 3 4 1 2 3 4 8 7 6 5 CN110 RPS 1 10K TXD 2 R194 RA120 8 7 6 5 RA125 100 C327 J100p R217 +24V RPS Q120 3 FANON FANDET GND 8 7 6 5 8 7 6 5 C244 1 RA121 2 NC 3 4 1 RA123 2 NC 3 4 K1000p C237 F39K R220 +3.3V TO THERMISTOR & C249 AIN3 35V100u 2 1 K1000p TO FAN CN113 C201 NC +5VD NC ( ) NC ( ) ( +3.3V 37 38 39 40 41 42 43 44 45 46 47 48 ) 36 35 34 33 32 31 30 29 28 27 26 25 R244 C211 C213 R222 GND IOVCC D11/P3 D10/P2 D9/P1 D8/P0 D7 D6 D5 D4 D3 D2 F22K F22K R223 A[0] USB_INT 1:4D COLEVCC GND DD+ VBUS TRDN TEST DAOK1 DREQ1 TC1 INT1/SOF IOVCC XUSBRST 1:4E C196 R218 NC NC ) NC ) NC ) R245 330 R225 K1000p C238 5.6K R202 J100p R199 X104 1 2 3 4 5 6 7 8 9 10 11 12 R209 (LightBlue) C329 +3.3V POUT REGIST C241 R231 K4700p 5.6K 1 ( ( ( C216 C207 ( ) NC (p) (q) NC CN108 VBUS 1 ( ) NC PS102 3 PB1 27K D12/P4 D13/P5 D14/P6 D15/A0 HWR/BYTE INT0 RD LWR CS RST DREQ0 DACK0 NC K1000p LED 3 POUT 4 CTL 5 F18K R224 C240 IC110 56K D1 D0 A6 A5 A4 A3 A2 A1 COREVCC GND XIN XOUT 24 23 22 21 20 19 18 17 16 15 14 13 R185 ) L138 PAPER K1000p C242 K1000p R230 5.6K 1 2 NC A[6] A[5] A[4] A[3] A[2] A[1] C215 D110 ( ) NC CN111 THRM1 1 C239 BEAD L139 PS101 3 PB1 ( 56K HAISHI SENSOR ADSEL1 GND 2 +5VD R229 AIN2 1K PAPER SENSOR R233 330 4 BEAD L140 BEAD LEDCTL +5VD ( ) NC ( ) REGIST SENSOR R234 240 +5VD 2 4 R195 R196 ( NC ) NC ) NC ) NC NC NC ( ) ( ) ( ) SENCTL0 SENCTL1 D- 2 1 2 D+ 3 GND 4 ( ( R197 DA101 +5VD R247 56K ) C203 C204 NC C205 NC L130 3 L151 PG Z0.1u C251 CN114 1 +5V 2 TNREMP ( TNREMP R237 K1000p C243 5.6K 3 GND D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] (40) (42) (39) (41) (43) (45)(47) (49) (51) (44) (46) (48) (50) A[0] A[1] A[2] A[3] A[4] A[5] (53)(55) (57) (52)(54)(56) (58) (59) (60) KX-FL403FX DIGITAL BOARD (3/4) (39) (41) (43) (40) (42) (44) (46) (48) (50) (45)(47) (49) (51) (52)(54)(56) (53)(

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(39) (41) (43) (40) (42) (44) (46) (48) (50) (45)(47) (49) (51) (52)(54)(56) (53)(55) (57) (58) (59) (60) 4/4 +3.3V R198 4.7K +3.3V NC C202 (r) 4 3 RA122 2 100 1 4 RA124 3 100 2 1 C256 Z0.1u C257 Z0.1u J33p +3.3V C193 C206 Z0.1u C208 Z0.1u ) R204 ) NC C258 Z0.1u +4VD C250 Z0.1u +5VD ( +24V Z0.1u ( C194 K4700p (s) L133 L136 L137 Z0.1u 5 6 7 8 5 6 7 8 0 R186 10K 0 L153 C252 C253 L150 L154 CN115 1 2 3 24V BREAK/CDL_RXD +5VA SP_MUTE AG VOL0/MURA1 DG VOL1/F_MUTE DG IRQn 100 RESETn 99 D7 98 D6 97 D5 96 D4 95 D3 94 D2 93 D1 92 D0 91 VDD90 90 VSS89 89 VSSo88 88 VDDo87 87 A0 86 A1 85 A2 84 A3 83 A4 82 SPRn 81 C199 Z0.1u +3.3V R261 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 BREAK C316 R221 100 R210 J100p C200 Z0.1u TP_XCLK R188 100 100 32.256MHz (w) L132 R190 R191 K1000p 100 100 R205 0 R207 47K C233 (v) L131 X105 IC111 C225 J10p C226 J12p ( ) (u) R189 (x) (z) (y) (A) (B) (C) (D) (E) 31 32 33 34 35 RESERVED35 36 RESERVED36 37 RESERVED37 38 RESERVED38 39 RESERVED39 40 RESERVED40 41 RESERVED41 42 RESERVED42 43 RESERVED43 44 RESERVED44 45 RESERVED45 46 IA_AVSS46 47 IA1_RXP 48 RESERVED48 49 IA1_HSMICP 50 IA1_HSMICM NC ( ) C228 K0.1u D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] C234 16V10u ( ) NC C229 K0.1u Z0.1u C235 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 NC C230 WRn VSS1 RDn VDD2 CSn VSSo3 VDDo77 VDDo4 EYEXY/XCLK AVDD RESERVED6 32.256MHz ENABLE_VREG18D VBG RESERVED7 AVSS PIA_RESETn VSSo72 PIA_STROBE/EYESYN VSS71 PIA_TXSIN PIA_RXOUT VDD70 XTLO PIA_CNTRL_SIN XTLI/CLKIN PIA_CLKIN TEST PIA_SCLK/EYECLK GPI2 IA1_SCLK IA1_CLKIN GPI1 GPI0 IA1_CNTRL_SI GP02 IA1_TESTCN GPO1 IA1_RXOUT RINGDn IA1_TXSIN IA1_STROBE IA_VDD IA1_AVDD IA1_RESETn IA_AVSS59 IA1_SPKRM RESERVED23 IA1_VC IA1_SPKRP IA_AVSS IA1_BG IA1_TXP RESERVED25 IA1_HSMIC_BIAS RESERVED55 RESERVED26 RESERVED27 RESERVED28 RESERVED29 RESERVED30 4.7K (t) MDMCS SP_MUTE C309 J100p L152 4 5 6 C218 Z0.1u C219 Z0.1u R206 C227 Z0.1u C231 Z0.1u 0 VOL0/MURA1 C307 J100p BEAD 7 NC 220 VOL1/F_MUTE C306 J100p 8 9 10 -5V -5V 11 +4V 12 VOL2/CRESET VOL2/CRESET L135 L141 C308 J100p C197 R183 2.7K R211 C221 ( ) C220 Z0.1u FAX RX MODEM_RX_IN P_SHORT 0 C323 J100p 13 +4V 14 MODEM_RX_IN 15 P_SHORT/T-ON_OFF NC TONE DCN C245 Z0.1u R248 16 TONE 0 C317 J100p ( ) C217 FAX TX 17 DCN 18 MODEM_TX_OUT 19 LIN_RLY/T-PAT1 20 NC 21 CID_RLY/T-PAT0 22 VOX/NISHI1 23 BELL LIN_RLY CID_RLY VOX/NISHI1 BELL MIDATA POL_N MICLK C319 J100p C305 J100p C320 J100p L149 BEAD R243 180 R242 180 R241 180 C246 CDLTXD CDLRXD CDLRTS CDLCTS J180p RA127 1 8 2 7 3 6 4 5 C248 J180p C318 J100p RESERVED31 RESERVED32 RESERVED33 RESERVED34 K0.1u C212 C223 C222 0 R208 L146 R216 K0.1u C192 +5VD K0.1u K0.1u C209 C326 R184 ( NC 0 BEAD ) 24 MIDATA/CDL_RTS 25 EXTHOOK/PLO_N 26 MICLK/CDL_CTS 10 R182 R200 R264 10K IC109 C195 16V10u C198 Z0.1u 1 2 INPUT NC VDD NC 16 15 14 13

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L281 C337 K5600p 1 2 A 3 4 V- K0.056u D200 R244 1K C251 IC210 V+ 8 7 B 6 5 L279 C335 K3900p 3 T200 4 2 J206 R257 ( NC ) ( NC ) (1) R273 K0.027u C254 1 5 R378 10K R377 10K K2700p C338 NC 1 T201 6 2 3 4 K0.33u D201 R245 3.3K C252 C266 R270 50V2.2u R375 10K K3900p C336 L278 +24VA K0.018u C244 K0.018u C234 L223 R233 3.3K C236 K0.33u 10 R241 1K ( ) NC 15 (2) ) R267 C245 R256 12K K0.056u C257 J10p C262 10K L282 R374 NC R229 47K R237 47K R225 R230 330 L289 R253 2.2K J100p D202 R259 ( ) Q203 R262 ( C273 ( ) NC NC 36V100u Z0.1u C231 C228 K0.22u C243 K0.1u L220 L221 560 C239 C352 33K C342 J620p R383 C341 J620p R382 7.5K R379 10K C219 J150p R216 110K R231 J10p ( NC Q200 50V4.7u C248 ) (3) R265 16V47u C261 ( NC R260 33K C269 ) CN200 MILATCH/CDL_TXD HS_ALC/POL_P MICLK/CDL_CTS POL_N MIDATA/CDL_RTS BELL VOX/NISHI1 CID_RLY NC 1 2 3 4 5 6 7 8 9 MILATCH/BBTXD R384 6.2K 33K (4) PC200 A C K NC E C344 J620p C343 J620p R387 R249 C258 NC 12 C255 MICLK/BBCTS POL_N MIDAT/BBRTS BELL VOX/NISHI1 CIDRLY L284 1 2 A 3 4 VB J10p V+ 8 7 6 5 J10p Q202 ) HS_ALC/POL_P ( ( NC IC204 R234 820K C237 K1200p +12VA J120p R242 Q201 ) L286 L283 J213 ) ( NC IC211 1 2 A 3 4 VB 6 5 D203 330K D204 R263 V+ 8 L222 7 (5) C339 K0.015u R381 10K K1000p ( C241 C263 Z1.0u C265 Z1.0u ) NC C340 L224 L285 L225 L502 R513 C509 LINE_RLY 10 MODEM_TX_OUT 11 DCN 12 TONE 13 P_SHORT 14 MODEM_RX_IN 15 4V 16 VOL2_CRESET 17 4V 18 R217 ) MODEM_TXOUT DCN TONE P_SHORT C226 NC J150p ( R238 MODEM_RXIN 39K C240 K0.1u EVOL2/BBRESET ( ) NC ( ) NC ( NC R223 110K 1B252 LINE_RLY ) R218 R222 27K DG 20 VOL1/F_MUTE 21 DG 22 VOL0/MURA1 23 AG 24 SP_MUTE 25 5V 26 BREAK/CDL_RXD 27 EVOL1/F_MUTE ( ) NC L275 0 K0.1u EVOL0/MURA1 SPMUTE ASIC_LINEOUT C220 L276 24V 28 +5VD L273 0 +24V 0 L274 ASIC_LINEIN BREAK/BBRXD MONITOR_IN1 C225 ( NC -5V 19 (6) (7) ) HS_AGCOUT TONE CIDRLY (8) (9) 22K K8200p 0 ( ) NC NC C238 R511 Q501 ( R509 ) R510 R235 R240 NC ) L501 NC ( ( NC +5VA 10K +5VA (10) C507 ( ) NC ( ) ) C506 ( ) NC ( ) NC R503 R507 C502 NC ( 1 2 A 3 4 V- R236 ) ) V+ 8 7 B 6 5 ( NC IC501 NC ( C503 ( ) NC ( C505 R505 ) R504 ( ) NC ( ) NC C508 R508 ( ) NC 6.3V330u C242 NC ( NC NC ) ( ( ) NC ( ) NC ( ) NC 100 R502 NC C501 R501 100K R239 R506 C504 ( ) NC R512 L226 ) ) (11) Z0.1u C247 (12) NC Caller ID HS RX: 1 IC206 V+ 8 7 A B 6 5 2 3 HS TX: +24V +24VA L272 J R359 100K +12VA J203 J FG2 FAX RX: FAX TX: J205 J J204 J L233 4 V- (13) (14) (15) (16) 16V10u J202 +5VD L271 J +5VA J200 J J J201 J Monitor_RX: Tone Z0.1u C330 R360 100K C329 KX-FL403FX ANALOG BOARD (1/2) (1) J223 ( ) NC 2 D209 3 1 4 (2) +5VD R274 L262 F200 CN206 1 a1 Q206 R298 Z0.1u 100K C292 ( ) NC R278 R276 1 4 5.6K 2 E(G)/A2 1K SA200 PC201 C E A 2 3 C309 680p R296 4.7K C310 L258 3 a/A1 4 b/B1 5 S(W)/

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(1) J223 ( ) NC 2 D209 3 1 4 (2) +5VD R274 L262 F200 CN206 1 a1 Q206 R298 Z0.1u 100K C292 ( ) NC R278 R276 1 4 5.6K 2 E(G)/A2 1K SA200 PC201 C E A 2 3 C309 680p R296 4.7K C310 L258 3 a/A1 4 b/B1 5 S(W)/B2 +5VD K D205 R277 ) NC ( ) NC D216 2K 1A ( ZNR200 R331 ) R337 RLY200 4 3 5 K3300p C278 NC (3) C320 NC +5VD ( 680p R319 ( NC ( ) NC 6 b1 ) ) R343 0.5W 6.8 L266 POS200 +5VD R271 1K2A PC202 C279 ( ) NC NC ( E R284 NC PC203 (4) C E A K Q205 50V100u R290 C284 R291 NC NC C277 NC ( ( ( NC NC ) NC ) ( ) C345 R323 1.2K C312 R316 RLY201 5 3 4 ( D212 C316 J100p ) SA201 ) NC K ( ) Q216 ) R297 C A NC NC 1K ) +24V RLY200 1 2 ( ( R347 ) ) NC ( R376 ( ( NC ) R325 ) NC (5) ( ) NC C311 Q210 L263 R345 CN207 1 b1 ( ( ) NC 2 S(W) 3 b/B1 4 a/A1 5 E(W) 6 a1 Q207 R275 50V1.0u 100 T202 K0.1u R329 C314 1K 2 1 3 4 5 250V1.0u R322 0.5W 47K +24V RLY201 1 2 D215 R332 C323 R335 15K R338 0.5W 22K J100p L264 R346 J C276 Q204 +5VD D210 F D211 F ) ( NC C348 ( ) NC R385 R344 NC J221 C347 NC J D217 3 R386 J D218 ) ( ) NC +5VD Q212 PC205 1 2 4 3 ( (6) (7) PC206 C A ( ) 4 2 ( ) NC ) 1 J222 NC ( ) Q211 NC J R334 33K E NC K HS_ALC/POL_P BREAK/BBRXD MONITOR_IN1 K0.01u C315 ( P_SHORT LINE_RLY POL_N EVOL1/F_MUTE EVOL2/BBRESET EVOL0/MURA1 MILATCH/BBTXD MICLK/BBCTS MIDAT/BBRTS HS_AGCOUT VOX/NISHI1 MICIN2 1B252 L287 (9) R247 ( NC ) +5VA 1B252 L254 IC207 R286 R287 30K 68K R264 24K +5VD R315 120K R307 18K C299 C275 K0.1u R272 24K L227 R340 L260 680 1.8K K0.01u 16V47u 1.8K C321 L261 R342 C319 R341 (10) L230 R250 R288 R289 1 X4 2 X6 3 X 100K 4 X7 47K 5 X5 6 INH 7 VEE 8 VSS VDD X2 X1 X0 X3 A B C 16 15 R300 14 R301 13 R302 12 R303 11 10 9 L257 10K 5.6K 2.2K 18K C297 Z0.1u ( ( L288 NC ) NC ) MICIN1 (8) DCN CIDRLY BELL +5VA 5 OUTPUT VCC 4 GND INPUT 3 DET R293 R292 10K C289 1K K0.068u C294 J82p R304 390K L244 L251 L253 IC205 ASIC_SPOUT 16V10u R248 VREF IC209 C305 J470p C306 J470p C307 J470p 36 SPIN STR 35 SPOUT CLOCK C293 34 VLOUT DATA K0.22u 33 VREF VDD 32 VLIN VOXOUT 31 MODEMRXOUT (11) C253 Z0.1u 1M C250 MODEM_RXIN TONE C510 K0.1u R356 K6800P C349 4.7K R357 K6800P C350 4.7K R358 K6800P C351 4.7K C222 K0.1u R211 22K C295 R305 L246 J NC (12) L229 K0.01u D214 D213 C322 J270p 27K ASIC_LINEIN ASIC_LINEOUT MODEM_TXOUT C281 K0.1u R282 15K L252 R306 C296 D206 330K J27p L265 R261 150K MICIN1 MICIN2 VOXDET 30 GND VOXIN 29 NC29 VSS 28 NC28 NC9 27 TONEINN ROUT2 26 NC26 ROUT1 25 MODEMTXOUT RIN 24 MODEMTXIN VCC 23 LINEIN HSMICIN1 22 LINEOUT HSMICIN2 21 EXTOUTHSMICOUT 20 EXTIN NC17 19 NC19 NC18 82 1 R326 82 2 R327 82 3 R328 4 5 6 7 R317 68K 8 9 R333 J399 NC 10 ( ) ( ) 11 NC R318 110K 12 C317 13 J401 BIZ 14 C308 J330p 16V10u 15 16 R324 150K 17 18 C313 J680p J400 NC C301 Z0.1u K0.1u C303 R321 220K 1 2 16V10u C268 K0.1u CN214 ) L267 L270 L268 L269 J 1 HSMIC2 HSSP+ 3 HSSP4 HSMIC+ ( ) R320

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+5VD +5VD R101 180 R102 180 C104 J1000p C105 J1000p Z0.1u Z0.1u R103 180 R104 180 R105 180 R106 180 R107 180 R108 180 C106 J1000p C108 16V10u L102 NC ) NC C110 Z0.1u 6.3V100u ( NC ( ) +5VD TH101 ( ) C103 C107 C115 C155 C109 R152 NC TO DIGITAL CN102 1 2 RPS THM KSTART SDATA KSCK CPERST GND +5V R109 R110 FAX START LOWE R SKEY 1 MONITO R SKEY 5 SKEY 4 SKEY 2 SKEY 3 100 ( ) 3 4 100 R111 100 J100p 5 6 J100p SW101 SW106 SW111 SW116 SW121 SW126 SW131 SW136 R112 K0.01u J100p 100 12K J100p J100p 7 8 NC C112 C114 C113 C150 ( SW102 SW107 ) NC SW117 SW122 SW127 SW132 SW137 R151 12K C111 SW112 J143 0 STO P COPY MUT E - # * 0 C152 C116 NC MENU HELP FLASH PREV 6 4 5 SW103 SW108 SW113 SW118 SW123 SW128 SW133 SW138 NC ( ) +5VD J1000p C154 C153 K1u ( ) NEXT SMS PRINTING /AOH CID SEARCH + 3 1 2 ( SW104 SW109 ) 44 43 42 41 40 39 38 37 36 35 34 R125 NC ) 330 LED101 NC NC R127 SW114 SW119 SW124 SW129 SW134 SW139 0 ( R126 KSL1 KSL0 KIN0 LED5 VDD-40 VSS-39 LED4 LED3 LED2 START LATCH AUTO ANSWER LED102 L101 IC101 SW105 SW110 SW115 R114 56K 12 KIN5 13 KIN6 14 KIN7 15 XLED12 16 XLED11 17 VDD-17 18 VSS-18 19 XLED13 20 XLED14 21 XLED15 22 LED1 R113 180 R115 330 C156 ( ) NC SW120 SW125 SW130 SW135 SW140 +5VD NC ( ) ( ) QUICK SCAN AUTO ANSWER REDIAL/PAUSE SET 9 7 8 1 KSL2 2 LED6 3 KIN1 4 LED7 5 XLED8 6 XLED9 7 KIN2 8 KIN3 9 XLED10 10 KSL3 11 KIN4 TXD RXD SCLK RESET D7 D6 D5 D4 E RWB RS 33 32 31 30 29 28 27 26 25 24 23 R150 NC R153 ( ) ( ) PS101 3 1 +5VD C117 ( ) NC 4 2 +5VD R128 NC K0.01u +5VD R119 C118 CN103-1 HOOK 1 GND 2 4.7K 2 R118 100 K0.01u C119 1 SW150 ( ) DOCUMENT SET SENSOR R116 100 3 4 R117 4.7K C151 COB MODULE P.F. SENSOR TO COB 10 DB7 +5VD 12K 9 8 7 DB6 DB5 DB4 E R/W RS V0 VDD VSS FOR CHECKER FOR SOFT CHECK R156 HOOK SW CN1032 HOOK GND 1 & 6 5 4 +5VD ) R157 NC ( +5VD R122 3 2 C101 6.3V100u 3 4 2 SW151 Z0.1u R120 ) NC C124 ( ) NC 4.7 R123 R124 10K 22K 1 ( Z0.1u Z0.1u C121 NC C122 NC R121 C125 1.2K DG2 ( ) ( ) Z0.1u C123 C120 KX-FL403FX/OPERATION BOARD C126 Z0.1u HOOK C102 CN101 2 1

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24V CN1 +24V 1 TOPCVR 7 CHG REM 3 SW1 125V 0.8A F1 R1 33KW Approx 45V Approx J11 0V 57KHZ B1 4 T1 CHG C81 C82 D82 7 D12 120V 150V 120V 8 2.2MW 2.2MW 2.2MW 2.2MW 2.2MW R55 R47 R46 R45 R44 R81 D81 J9 D3 Q3 4.7KW 3 5 J12 R3 35V 47mF 4.7KW R5 R13 33KW C5 D5 8V R18 8.2KW R25 270W 2 6 1 12V C1 D1 14V "L" Active 220KW 50V 0.033mF R6 + 8 C7 50V 0.01mF 33KW 6.3V 1mF 33KW C11 R9 IC1 D2 6V R7 D9 2 16V 0.068mF D4 39V D14 D13 GND J16 10V D8 D7 10 + 9- 16V 0.22mF D6 10KW R20 C10 33KW R27 10KW 12KW 820KW 910KW 910KW C4 1KV 470pF R17 J4 J3 D11 150V R26 R24 160KW 10MW ALM 6 Q1 2.2KW R8 R10 33KW 10KW 14 + 12 - 13 12KW R21 J17 150V C8 D16 VR1 R4 R11 R12 R14 25V 0.1mF Grid 150V D15 C2 IC1 DEV R59 33KW J1 J2 33KW 10MW R50 1KW R31 R48 R37 33KW R40 220KW C32 50V 0.033mF 5+ 6 7 4.7KW 33KW "L" Active DEV REM 4 22KW R34 R32 R35 50V 4700pF 430KW C31 Approx 10V 0V 76KHZ B61 T61 5 8 D78 3.15KV 330pF C67 390KW Approx 38V R54 2.2KW R41 R43 IC1 56KW R49 R42 10MW Q32 1 TRA+/2 J15 7 3.15KV 330pF C68 R75 2 C62 D61 8V R72 39KW R74 750W 50V 0.1uF 3 6 Q62 4 50MW R71 J7 J8 9 3 560KW 50V 0.033mF 4.7KW J14 3 4 + 211 R64 560K 1 10 D79 10KW R70 C3 1 50V 0.01mF 22V C64 180KW 10KW C61 16V 0.068mF 5 D66 TRA CLK R65 R66 D67 C66 2KV 330pF D63 SW2 J18 39V J10 DRUM 8 R67 270KW R68 2.7KW D65 D68 D70 D69 D71 D72 D73 150V 150V 150V 150V 150V 150V 150V J5 J6 D77 IC1 2KV 120pF C33 OPC Approx 6V 0V 7.8KHZ KX-FL403FX HIGH VOLTAGE POWER SUPPLY BOARD

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550V T1 1-3 19V 0V F1 AC250V T10AH CN1 AC250V T4AH 1 F2 C1 AC275V 0.22u L J4 L1 NC L2 NC J3 PC2 D10 0V -10V R32 10 R31 100 1 L L3 CN2 N 2 T1 1-8 27V 0V R30 SCR1 C6 2200p 2 N D12 C3 ( ) NC C4 ( ) NC D13 J2 50V 0.01u R33 D11 C2 ( ) R1 1M Z1 C22 150 100 L101 C108 1kV 1000p J101 NC D101 ) L102 R111 -50V CN101 1 +24V R102 D104 30V C101 35V 220u 680 15k 2 +24V 9 HTRCTL 50V 0.1u 7.5k J106 D505 R501 ( FG 6 R41 150k R4 150k R3 180k R2 180k T1 8 5 4 D131 R131 R130 ( ) ( ) ( ) NC NC NC R1011k R114 Q21 D7 R6 470 R7 560 2kV 47p D9 G S D20 50V 0.01u R25 9 D4 6.8k D501 D506 J104 IC501 270 6 +5V 8 +4V 7 +4V 10 PDWN 5 DG 3 PG 4 PG R19 10 Q22 5.5V 5.5V 0 VR101 5k Q1 C10 3 C508 1kV 220p C8 J109 J103 R24 47k R21 R27 12k 47k R9 450V 68u 10 C508 R11 10k D401 IC401 J102 R511 2.7k D5 10V C5 20k R5 R28 6.8k D27 16V 330u C401 16V 330u R471 R516 22k 820 C402 35V 33u 5.6V R12 24k C14 50V 1u 16V 1u PC1 C405 C501 R472 50V 100p C15 R14 75k C13 50V1000p ) NC D504 12V R29 15k Q23 1.5k R13 Q101 R112 10k R514 C505 15k 35V 33u 50V 0.1u R513 2.7k Q501 R517 6.8k C502 L5 R25 18k ( D23 C16 D22 R413 10k Q2 D110 C9 50V 4700p 12 R23 1k IC502 33k R8 1 2 C7 4700p J107 13 18V ( J1 NC ) J108 ( ) NC C17 T1 1-10 7V 0V 6V 0V T1 1-9 6V 0V -15V -15V KX-FL403FX LOW VOLTAGE POWER SUPPLY BOARD 680 33k 50V 0.1u R512 320V C406 1kV 220p R515 6.8k 6.8k 11 R103 C105 PC2 D D17 PC1 C109

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CN51 THERM NC GND 1 2 3 C51 NC CN52 THRM1 1 GND 2 LED 3 POUT 4 PS51 1 3 2 4 EXIT SENSOR BOARD IC60 1 3 OUTPUT VCC GND 2 C60 Z0.1u CN60 1 2 3 +5VD TNREMP GND DRUM & TONER SENSOR BOARD ZNR71 W6NL10T W6NL10T 271 FG_DEV J72 J71 FG_EARTH VARISTOR SENSOR BOARD C52 J270p CTL 5 ( )

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CN109 C279 R252 C106 IC113 +3.3V R252 R194 R192 8 C128 R197 R196 L130 RA120 R202 BOND 10 C213 13 24.0 X104 C274 C215 RA126 RA125 R187 R199 DA101 C211 C204 C216 C207 C205C203R195 1 48 R185 12 IC110 36 37 RA121 24 7 8 4 1 3 2 1 2 R138 C131 R134 5 R133 Q114 CN101 C297 D105 R129 22 7 1 R113 C102 29 30 R122 21 11 R253 IC112 R254 8 IC101 R131 D101 C283 +4V C117 20 D104 D103 14 C210 C109 TP_NMI C135 C314 Q113 C313 C144 R147 C138 C142 1 R130 R148 L110 R139 R158 C254 C140 C139 C143 144 C141 1 C315 C123 1 15 R193 TP_A14 E TP_A15 TP_A13 Q117 C275 L109 L108 R160 C151 109 C120 R118 R120 R116 Q102 REF-CH R114 E R109 R106 C196 C280 24 C298 4 1 Q111 E 28 CN108 C118 PG C119 C281 C282 R110 R136 R256 1 4 E CN102 C125 R251 Q123 C325 R128 Q106 PCB-CH 25 RA123 R161 RA101 RA109RA108RA107RA106 C201 E CN107 C108 L156 L155 R135 C278 C324 10 E Q112 L102 R111 E Q109 C255 R162 BOND 32.7 C159 C161 C136 C155 D108 Q116 R163 C311 R149 L120 L121 L122 C116 E Q107 2 CN115 R189 R188 C199 C200 100 C202 R198 C193 RA124 RA122 C194 R186 R191 R190 27 L151 C292 30 C253 L154 1 1 36 L129 R174 37 R171 R169 C175 R175 C172 24.0 X102 72 X101 C154 C152 8 9 TP_AMON C295 IC115 E AUTO-CH RA113 108 C156 CN103 C300 F103 Q110 E E E Q105 Q101 R233 R157 3.3V/BAT IC103 R156 R155 C134 R143 IC104 R132 C133 C127 1 3 R127 C121 R126 C129 L119 D102 C110 E Q103 Q124 R123 D107 L101 IC106 RA112 27 C164 R176 R164 C179 C178 C188 1 C177 L144 L145 R226 C176 C328 CN110 L142 L143 IC108 73 C174 C168 R177 R165 R166 R167 R168 F105 0.63A C262 8 1 CN106 16 C189 C185 C184 C187 C183 RA119 RA116 RA115 RA114 C182 R259 BOND C153 75 R153 76 R151 R154 L157 C145 L158 L111 L112 L113 L114 1 L116 L115 C149 16 R172 C180 C157 51 50 C166 TP_FRY C186 C181 C171 C170 C169 Q122 D111 28 54 CN112 E 1 C319 C318 C244 C320 C271 28 RA127 C245 R248 RA118 RA117 R263 R232 RA102 1 R250 R238 RA103 1 48 IC105 5 CN113 RA105 RA104 C249 3 RA111 RA110 Q121 R249 IC107 IC111 C206 100 C208 R204 L133 R221 81 R261 R207 R205 R206 C227 R210 L136 C231 L137 C218 R182 R239 R235 E R236 C228 C192 E R240 C229 C209 C212 C217 E Q119 Q118 C160 C104 R208 L135 X105 L141 C226 C230 C234 R211 X103 8 R159 C150 9 C225 C267 C268 C195 R184 R117 L107 IC109 C163 R105 R112 Q104 R223R224 R222C240 L123 R104 L105 L124 L104 R103 C299 R102 C239 R229 L106 C329 C289 C238 C223 R269 C233 C288 R245 R231 R234 C103 L103 E Q108 D110 R119 E CN105 F101 2.0A 5 1 1 CN104 R209 50 51 C222 C220 C235 C221 26 25 C165 C219 C198 C243 80 1 L148 L128 L126 L149 L147 E C312 C242 C265 L127 L125 R243 C248 R241 C246 C270 R200 R201 D109 Q120 4 C310 R246 31 L134 C214 R203 24 C167 R257 3 1 C137C256 IC114 R258 R150 Q115 5 25 BAT101 E R237 CN111 7 1 5 1 CN114 J101 3 C264 PbF C158 C263 DG C162 2 1 PFUP1526Z -A R228 R220 C237 1 C327 8 1 7 1 A D108 +5VD R137 R125 KX-FL403FX DIGITAL BOARD COMPONENT VIEW 3.15A F104 C112 1

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1 PG +24V C277 1 3 2 4 8 1 DG 2 1 +3.3V TP_RST C124 R124 +5VD 4 C278 7 C284 R217 C111 C276 R107 PS101 1 R180 R181 C190 C191 C115 C126 RBA8 RBA7 R146 C146 C148 RBA6 A12 A11 A6 A3 A1 RBA4 TP_RST XRD R179 C173 TP_CHKCS 2 1 RBA9 TP_FCS R170 D7 D3 D5 D4 D1 D0 L161 L163 R242 C247 C105 C266 7 C286 1 5 1 1 5 1 C107 C287 PS102 L162 D2 L118 L159 L165 L164 L160 L117 R264 C326 C257 C241 C258 L146 R216 R152 TP_CSG D6 TP_ACS TP_16M R262 C252 L153 C291 C250 L152 +4V L150 L132 L131 TP_XCLK C261 C317 C260 R183 C197 C321 TP_CHK A5 RBA0 RBA2 D11 D12 A0 A4 R178 1 +2.5V A2 A10 C147 C272 8 +3.3V/BAT C259 R244 R230 9 R108 RBA5 RBA3 A8 RBA1 A7 A9 C301 C302 R142 C303 C304 R121 R141 R140 16 C316 C307 C306 C309 C308 C323 C305 28 27 C322 C101 C130 C132 7 1 10 1 C296 R227 R219 C236 R212 R213 R214 C224 R215 C232 8 1 8 C294 1 D9 2 D10 D8 D15 D14 5 D13 C293 1 3 R173 DG C290 C285 R225 R218 L139 R247 C251 L138 L140 PbF PFUP1526Z -A A KX-FL403FX DIGITAL BOARD BOTTOM VIEW 3

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R263 C266 D204 D203 R257 J206 J222 J221 R249 R387 CN207 2 1 J200 J202 R345 R346 J302 F200 J301 J312 SA200 R337 J361 R343 D202 J321 R273 J327 J360 J345 J340 C311 J320 J324 J311 R322 R332 J356 R347 E Q200 J336 6 2 5 1 6 5 C261 CN206 D201 D200 C248 R319 C310 L258 C284 J316 R331 ZNR200 J305 J307 C330 C309 C277 J223 PC202 Q206 E J362 T202 D205 R385 D218 C347 J304 D211 D210 PC200 PC206 J201 PC205 PCB-CH AUTO-CH C231 J332 C269 J391 R316 RLY200 D212 PC203 PC201 C276 J318 J330 J344 J337 RLY201 D215 J352 J395 J323 J338 J319 28 J313 27 J341 J326 J346 J317 PCB-CH AUTO-CH J309 1 CN204 2 C285 J353 J315 2 CN200 J347 J306 1 J357 C253 C247 J329 J308 J351 D206 D207 J343 D213 D214 C299 C321 J396 J331 J334 J335 J359 J393 J389 J322 J355 J342 J328 J348 J339 C298 C317 PFUP1527Z -A J303 PbF J203 J205 J204 J358 A KX-FL403FX ANALOG BOARD COMPONENT VIEW POS200 SA201 T200 T201 J350 C334 CN214 J310 J390 J392 J398

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C278 R276 L263 L264 C320 E Q216 L262 R290 D216 C292 R298 R296 J402 C282 L270 R372 L265 C288 C322 L298 R295 L267 L268 L297 R373 L269 C291 C319 R342 C286 L261 C275 R280 C268 J399 C290 R279 IC208 R272 R264 R341 L245 L241 R294 R285 R283 C287 R299 L260 R340 C250 L229 R248 R250 2 1 5 4 1 8 L226 R239 IC205 L227 L230 R247 R240 R235 C242 R236 L257 C238 L287 L233 L290 R261 C267 L288 C270 R266 L237 R269 L235 L238 C272 1 5 8 1 IC206 5 4 C297 9 R303 R302 R301 R300 R289 R288 R287 L254 R286 1 J400 8 IC207 16 2 3 PFUP1527Z -A D209 C262 Q202 R260 R259 C255 C273 R267 R270 C263 L289 C265 R253 C352 C257 R256 Q201 D217 E E Q203 C258 E R338 L273 C236 C251 L276 R233 Q211 R245 R241 R230 C243 C252 L275 C239 R244 C245 R359 L272 R231 C244 C234 R237 R360 L223 L501 C329 R225 C506 L221 L220 R299 R507 C228 R501 R216 C241 C509 C501 R513 C219 C504 R503 R511 L222 R502 C240 L284 C503 R238 L285 R218 R242 C340 R381 IC211 R222 C226 C237 L502 C339 R383 L286 C507 L283 R223 R234 L225 C342 C220 R509 C505 L281 L279 R512 R379 L224 R384 C225 R501 C508 R378 R217 IC210 C337 R508 R375 C343 R377 C338 L278 C344 L282 C336 R374 R382 C341 C335 E C254 5 8 Q501 E 8 4 1 IC501 IC204 5 1 4 5 4 1 8 1 8 4 5 1 2 5 6 1 2 5 6 L266 R386 C348 R284 R291 R376 C345 Q205 E C314 C315 E R329 R334 R297 PbF R278 Q207 C279 R277 R274 R275 J394 Q204 E R325 R323 C323 R262 C312 R265 J213 R335 R344 R271 E Q210 C316 Q212 E L274 28 1 2 C502 R504 R505 R506 27 C313 L271 L256 R305 C295 R282 C303 R324 R310 R317 R321 C296 C281 J401 R320 L255 C351 R306 R333 C222 R309 C350 R358 C300 C349 L246 R357 C308 R356 R211 R318 L251 C301 L253 C289 C293 C305 R293 C294 C306 L244 R315 C307 R304 R328 R292 R326 R327 19 18 IC209 36 1 L252 R307 C510 A KX-FL403FX ANALOG BOARD BOTTOM VIEW

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MONITOR # 0 SKEY6 FAX START SW133 PCB-CH 7 SW121 SKEY4 SW106 SKEY5 SW116 SW128 SW138 SW101 COPY MUTE 9 8 PFUP1528Z -A PbF SW108 SW135 J101 SW126 SKEY3 SW136 SKEY2 J122 SW118 SW130 SW140 STOP 4 REDIAL/PAUSE 6 5 SW103 SW132 J112 SW131 SKEY1 SW111 PS101 C108 J107 J116 J113 J117 J105 J115 J108 1 J104 J103 SW134 J140 J124 SW120 SW127 SW137 AUTO ANSWER J123 SW110 QUICK SCAN START FLASH 3 2 J118 C101 J119 J132 LED102 SW105 SW117 SW129 SW139 J129 J128 J127 J130 J131 J136 J137 J121 J120 J134 J139 J114 J133 J125 ERASE LED101 J135 J106 HELP C122 1 MENU CALLER ID SEARCH SMS PRINTING SW112 SW113 PLYABACK J110 J141 J109 J102 CN101 SW107 SW102 SW123 SET SW119 10 SW115 J138 GREETING SW114 J126 C109 1 2 1 CN103-1 CN102 J111 8 LOCATOR/INTERCOM SW104 SW125 SW122 SW151 2 1 CN103-2 SW109 KX-FL403FX OPERATION BOARD COMPONENT VIEW A SW124 PFUP1528Z -B PbF A

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KX-FL403FX OPERATION BOARD BOTTOM VIEW R126 TH101 C115 C155 2 1 PFUP1528Z -B 10 1 L101 PbF A J142 R121 C125 C126 C123 R124 R123 C153 C124 R120 C121 R122 C120 C154 SW150 R115 R114 R113 R116 R117 C118 C106 R156 R128 R157 C117 C107 12 11 C105 R112 C114 C113 R111 R110 C112 R150 R151 C111 C103 R109 C104 33 34 J143 1 22 IC101 44 23 R152 R125 2 L102 C155 1 R119 R118 C119 1 R107 R108 R103 R106 R104 R105 R101 C102 R102 PFUP1528Z -A C150 R127 C116 R153 C151 C152 PbF A C110 8

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J16 D8 D4 VR1 R59 C33 C4 1 6 D87 Q3 D3 D9 D5 C1 D6 J18 F1 J11 J12 CN1 J9 0.8A/125V 1 QP431 2 3 4 T1 ( B1 ) 7 8 5 DEV CAUSION GRID OPC J2 J1 D1 J17 SW2 DRUM TOPCVR ALM TRA CLK DEV REM CHG REN GND +24V R3 D2 R5 J15 CHG J3 J4 J6 J5 D77 D67 D63 J10 MPH3248 PCPH0443 94V-0 J8 J7 R75 C67 D79 7 T61 ( B61 ) 1 C68 C66 Q62 D61 8 7 6 5 4 3 2 1 D66 TRA SW1 D78 QJ005 8 10 PbF N0GG4E000005 KX-FL403FX: HIGH VOLTAGE POWER SUPPLY BOARD (COMPONENT VIEW)

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1 CN1 J9 F1 J11 J12 R64 R8 R10 Q1 SW2 R17 R27 C3 R21 D1 R71 IC1 J14 R70 J17 R20 D2 J15 R66 R35 C62 R65 R34 R3 R5 R1 C1 D3 D9 C8 C10 Q3 D5 R13 C5 R9 J18 D6 R50 R49 D8 D7 6 T1 ( B1 ) 1 R48 +24V GND CHG REN DEV REM TRA CLK ALM TOPCVR DRUM J16 D4 R2 R4 C4 J4 J3 R14 R12 R11 C33 R18 R25 5 4 3 2 R44 R47 R46 R55 DEV J1 J2 R59 R37 R32 R7 R40 R31 R6 C32 C11 Q32 R42 R43 C7 R68 R67 R24 C61 D11 R26 8 7 CHG D16 D15 D14 D13 R45 D67 J10 D61 D66 R74 R72 D63 Q62 R41 R54 C31 D65 D68 D69 D70 D71 D72 C66 C68 C64 D79 1 T61 ( B61 ) 10 8 7 C67 D78 R75 J7 J8 CAUSION SW1 TRA MPH3248 94V-0 N0GG4E000005 PbF KX-FL403FX: HIGH VOLTAGE POWER SUPPLY BOARD (BOTTOM VIEW) D73 D77 D12 1 2 3 4 5 6 7 8 VR1 OPC GRID J5 J6

File name 16_05_01.pdf

MPW5715 PCPS0960 61 C2 C1 Z1 J4 L2 L1 T4AH 250V J3 C3 C4 LABEL N0AC3GF00002 PbF J111 IC401 J2 C402 D504 F2 R1 220V-240V 1 C501 J110 D10 D12 D13 C401 IC501 D506 D505 C502 L102 CN1 D11 D401 C406 1 J107 C7 D104 CN101 J102 J106 J108 HEATER C5 T1 J105 J103 F1 L3 L5 Q1 C108 C101 24V 24V PG PG DG 5V 4V 4V HTR CTL PWR DWN C508 1 D3 C8 SCR1 J101 D101 R30 T10AH 250V C6 D5 D17 D9 IC502 D23 D22 R32 R31 D110 FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE AND RATINGS OF FUSE. C17 PC1 PC2 VR101 PRI. SEC. KX-FL403FX: LOW BOLTAGE POWER SUPPLY BOARD (COMPONENT VIEW) D131 R501 D27 CAUTION D20 J1 L101 R19 J104 D7 D4 125D1 D501 CN2 J109

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R33 C22 R21 C14 C16 C9 R25 R8 R2 R4 R41 Q2 Q21 Q22 R24 R3 R7 R6 R29 C13 R26 R14 C15 R27 C10 R23 R5 R12 R13 R9 R11 R28 Q23 R515 R111 R114 R514 C505 R513 R130 R512 R473 R472 R471 C109 C405 R511 R516 Q501 R517 R131 R102 R101 R103 C105 R112 Q101 KX-FL403FX: LOW BOLTAGE POWER SUPPLY BOARD (BOTTOM VIEW)

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AUTO-CH 3 CN51 1 PFUP1527Z -B PbF 1 PCB-CH C52 A PFUP1527Z -B PbF 3 C51 1 1 CN52 5 5 PS51 A KX-FL403FX SENSOR BOARD

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PFUP1527Z -C PbF PCB-CH AUTO-CH PFUP1527Z -C PbF IC60 C60 1 KX-FL403FX DRUM & TONER SENSOR BOARD 1 CN60 3 A 3 A

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PFUP1527Z -D J72 J71 PFUP1527Z -D PbF PCB-CH ZNR71 PbF A A KX-FL403FX VARISTOR SENSOR BOARD

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KX-FL403FX EU SVC 003 025 20061003 01.00 en XML 1 KMEFD KMF0609052CE NEW