Sharp GX20 Service Manual
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Sharp GX20 Service Manual

Sharp GX20 Service Manual

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  • Page 1 • •...
  • Page 2 OZ/IQ/YO/Calc GX20 Service Manual TQGX20 Market Licensed by Inter Digital Technology Corporation under one Powered by JBlend , 1997-2003 Aplix Corporation. All or more of the following United States Patents and/or their rights reserved. domestic or foreign counterparts and other patents pend- Java and all Java-based trademarks and logos are trade- ing, including U.S.
  • Page 4 GX20 CONFIDENTIAL [3] Operation manual (Page numbers refer to the user guide) [Optional Accessories] • Li-ion spare battery (XN-1BT11) • High capacity Li-ion battery (XN-1BT13) • Cigarette lighter charger (XN-1CL10) • Data cable (RS232C cable: XN-1DC10) • AC charger (Except for France: XN-1QC10, XN-1QC11) (for France: XN-1QC11) The above accessories may not be available in all regions.
  • Page 7 OZ/IQ/YO/Calc GX20 Service Manual TQGX20 Market...
  • Page 8 → →...
  • Page 9 Refer to the attachment 1 for the operator code. Software version: 012 IMEISV: 06...
  • Page 14 H/W CHECK ∗ GX20 ∗ ROM VERSION : 002 GX20 Diag Version. CVS A07-005-0094-GX20 BLCD (256): 091 +001 BLCD (64k): 077...
  • Page 15 GSM tester GPIB cable Cable loss should be adjusted Data cable according to the input value.
  • Page 16 1) Select the COM port. 2) Set the GPIB No. 3) Select the test instrument. 4) Set the GPIB address. 5) Set the cable loss. For the supplied cables (YA00-0988-03), set: GSM 0.60 DCS 0.95 PCS 0.96...
  • Page 23 Check here if you wish to use "Communication Box Ver. 2G". COM port list box Note 1) Check here if you wish Available when Click this button to display to initialize the file system. "Communication Box Ver. 2G" the dialog for selecting a is set.
  • Page 24 1. Initial screen 2. Deleting the Flash 3. Writing the data Flash Loader 3.10 Flash Loader 3.10 Flash Loader 3.10 P ERASING ... WRITING ... ########## Indicates a program data. In case of the data area, "D ERASEING" is displayed. Appears if the loading loader is Indicates that the Flash is being Indicates that data is being written...
  • Page 26 Serial connection port Power On/Off button. Set to OFF for the initial status. Cable 1.
  • Page 27 Flash Loader 3.00...
  • Page 32 Check here...
  • Page 37 Setting Pin Hook Setting Pin Hook Hook Setting Pin Black Data Cable...
  • Page 38 Points Push...
  • Page 39 Input box Band selection Channel bar TX frequency of selected channels Current PCL (Read only) PCL bar TX ON/OFF button This indicator appears during Data patterns burst transmission.
  • Page 40 RX frequency of selected channels Current RX Gain (Read only) RX Gain Setting bar RX ON/OFF button This indicator appears while Sniff ON/OFF receiving burst signals.
  • Page 41 Measured power box Estimated Power Input box (Integer only) Measure button →...
  • Page 43 Enlargement (Add a black line at every one line) Current set value 8 gradation patterns with a black line between each line of the patterns (monochrome pattern) Den: 075 Current set value 8 gradation pattern (Monochrome pattern)
  • Page 45 TP213 TP109 TP138 TP430 TP421 TP425 TP141 TP418...
  • Page 46 TP344 TP308 TP323 TP322...
  • Page 47 TP328 TP330 TP329 TP301 TP321 TP345 TP346 TP348 TP319 TP324 TP320...
  • Page 55 ±...
  • Page 59 Only main display back light or both displays' back lights. → → → When the external display back light does not light up. (To page 2-54)
  • Page 60 → → →...
  • Page 63 ± ± ± ± ± ±...
  • Page 64 → → → ± ±...
  • Page 67 Blue, green or three colors ± ±...
  • Page 70 KEY Layout Left Soft Right Soft Centre Side Side Down Send "Vodafone live!" End/Power PQRS WXYZ...
  • Page 72 → → → →...
  • Page 76 →...
  • Page 78 → → → → → → → → → → → → → → → → → → → → → → → →...
  • Page 82 LCD CHECK ∗ GX-20 ∗ ROM VERSION : ∗∗∗ GX20 Diag Version ∗∗∗ CVS Ver. A∗∗_∗∗∗_∗∗∗∗_GX20 BLCD (256) : 089+004 BLCD (64K) : 075 → → → → → → → → → → → → → → → →...
  • Page 83 → → KEY CHECK ∗ GX-20 ∗ ROM VERSION : ∗∗∗ GX20 Diag Version ∗∗∗ CVS Ver. A∗∗_∗∗∗_∗∗∗∗_GX20 BLCD (256) : 089+004 BLCD (64K) : 075 2003/**/** **: **: ** SUM CHECK ∗ GX-20 ∗ ROM VERSION : ∗∗∗ GX20 Diag Version ∗∗∗...
  • Page 84 TEMP ADJ 1. CAM TEMP 2. BAT TEMP 0. EXIT TEMP ADJ (BAT) Temp. : +23 Deg.. Correct : --05 Deg. KEY : +1 Deg.. " " KEY : --1 Deg.. " " → →...
  • Page 85 OZ/IQ/YO/Calc GX20 Service Manual TQGX20 Market Fixing tape Separator Service label Note: Do not put the fixing tape on the service label. SIM card connector Standard position (SIM card connector end face) Back Cabinet (Key) Standard position Sensor, Moisture (Corner) ±...
  • Page 86 Cushion, Battery Sheet, Shade Standard Standard position position Standard position Holder, Mg Back Cabinet (key) Standard position Standard Sheet, position Sensitivity decrease prevention Standard position Standard Tape, Mg Holder Holder, Mg Standard position position Standard position Standard position Main PWB-A Standard position Sheet, FPC...
  • Page 87 Standard Spacer, position Standard Main PWB-A Key PWB position (Rear Side) Cushion, Main Connector Standard position Electrostatic Sheet, Side keys Standard position Spacer, Standard External Display position Standard position Standard Front Cabinet (key) position Standard position Standard Electrostatic position Sheet, Side keys Standard position...
  • Page 88 Application range Cushion, Reinforcement Back Cabinet (Display) Standard Driver Sheet position Application range Cushion, Driver Standard position Sheet, Driver Front Cabinet (Display)
  • Page 89 (A1) x 1 (A2) x 1 (A3) x 2 (A4) x 2 Ø1.7 x 5 mm (A4) x 2 Ø1.7 x 5 mm Back Cabinet (Key) Ass'y (A5) x 5 Back Cabinet (Display) A'ssy...
  • Page 90 Back Cabinet (Display) Ass'y (C3) x 7 (C3) x 2 Main PWB-A (C3) x 2 (C2) x 2 Ø1.7 x 4.5 mm, Black (C2) x 2 Ø1.7 x 5 mm (C1) x 2 (C1) x 2 External Display/ (D4) x 1 External Display Holder (D4) x 1 (D3) x 1...

  • Page 92: Block Diagram

    GX20 CONFIDENTIAL OZ/IQ/YO/Calc GX20 Service Manual TQGX20 Market CHAPTER 4. DIAGRAMS [1] Block diagram [Main] RF I/F VANA CLKIN IRXP ITXP RAMPDAC GPO_18(SYNTHEN) CLKON,GPO_1(TXON) VCORE (13MHz) IRXN ITXN AFCDAC GPO_20(SYNTHDATA) GPO_2(BS2),GPO_9(RFON) VMEM QRXP QTXP GPO_21(SYNTHCLK) GPO_16(BS0),GPO_17(BS1) QRXN QTXN IC102 AD6521ACA...
  • Page 93 GX20 CONFIDENTIAL GPIO_8(Hardware revison monitor[0]) GPIO_16(Hardware revison monitor[1]) CA1001 GPIO_17(Hardware revison monitor[2]) CAMERA UNIT When JTAGEN=H, VSIM automaticaly VCORE GPIO_18 nWE,nRD,nDISPLAYCS2, VMEM X102 GPIO_19 sensor ADD[19:17],ADD[2:1],D[15:0] VINT 32kHz GPIO_20 IP part VRTC CRYSTAL GPIO_21 DSP part VDDUSB GPIO_47 RESET OSCIN...
  • Page 94 GX20 CONFIDENTIAL [RF] +B(VRF) IC991 NL27WZ08 IC992 TC7W00FK IC993 NL27WZ08 LOGIC RAMPDAC SYNTHEN SERIAL DATA IC901 SYNTHDATA INTERFACE HD155148TF SYNTHCLK ITXN ITXP I&Q PHASE DETECTOR QTXN QTXP TCXOOUT 28,30,31,32,41,46 +B(VTCXO) 90DEG TCX951 SHIFT1/2 26MHz RF SYNTHESIZER AFCDAC VCTCXO LOOP IF SYNTHESIZER...
  • Page 95 GX20 CONFIDENTIAL IC881 +B(VTXVCO) 4,9,10 HD155173 AUTO 5,6,7 POWER 11,14 CONTROL 1,2,15,16 TxVCO R816 R811 EGSM 880.2MHz - 914.8MHz DCS 1710.2MHz - 1784.8MHz PCS 1850.2MHz - 1909.8MHz +B(VBAT) +B(VTXVCO) DIRECTIONAL COUPLER FL816 LOOP FILTER AERIAL Tx VCO 2,4,6,8 VCO851 DIRECTIONAL...
  • Page 96 GX20 CONFIDENTIAL - MEMO - 4 – 5...

  • Page 97: Chapter 5. Schematic Diagram And Wiring Side Of P.w.board

    CONFIDENTIAL OZ/IQ/YO/Calc GX20 Service Manual TQGX20 Market CHAPTER 5. SCHEMATIC DIAGRAM AND WIRING SIDE OF P.W.BOARD [1] Notes on schematic diagram [2] Types of transistor and LED...

  • Page 98: Waveforms Of Circuit

    CONFIDENTIAL [3] Waveforms of circuit RF UNIT PLL_IC SERIAL COMMUNICATION TCXOEN SYNTHDATA (STAND-BY) (STAND-BY) IC304 1Pin IC901 39Pin RFON_B (STAND-BY) R351 (Q304 5Pin) SYNTHEN (STAND-BY) IC901 35Pin TXON_B (Talking) R352 (Q304 4Pin) QTXN (Talking) C924 (IC901 22Pin) SYNTHCLK QTXP (STAND-BY) (Talking) IC901 37Pin C924...
  • Page 99 CONFIDENTIAL IRXN ITXN (Talking) (Talking) IC901 27Pin C923 (IC901 20Pin) ITXP IRXP (Talking) (Talking) C923 IC901 26Pin (IC901 21Pin) BS0(GSM) QRXN (Talking) (Talking) IC993 1Pin IC901 24Pin QRXP BS1(GSM) (Talking) (Talking) IC901 25Pin IC993 2Pin...
  • Page 100 CONFIDENTIAL CLKIN BS2(GSM) (Stand-by) (Talking) C148 IC992 1Pin (IC104 142Pin) CLKOUT BS0(DCS) (Stand-by) (Talking) Jumper IC993 1Pin (IC104 84Pin –IC102 46Pin) OSCIN BS1(DCS) (32 kHz) (Talking) (Stand-by) IC993 2Pin R147 (IC104 49Pin) BS2(DCS) DCLK (Talking) IC992 1Pin (Stand-by) TP424...
  • Page 101 CONFIDENTIAL...

  • Page 102: Schematic Diagram / Wiring Side Of P.w.board

    CONFIDENTIAL [4] Schematic diagram/wiring side of P.W.Board MAIN PWB-A (1/3) MAIN PWB-A(1/3) C448 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 C428 CAPA3+...
  • Page 103 CONFIDENTIAL LCD100 MAIN DISPLAY TP430 C447 1 2 3 4 TP426 C472 TP425 10P(CH) C469 TP424 10P(CH) TP422 TP421 TP420 1 2 3 4 C474 10P(CH) C471 10P(CH) MP4_PLLCK MP4_P0 GTDIO_B MP4 RESET_B IC403 LR38863 BSPIXEL0 BSPIXEL1 DISPLAY CONTROLLER BSPIXEL2 BSPIXEL3 BSPIXEL4 BSPIXEL5...
  • Page 104 CONFIDENTIAL MAIN PWB-A (1/3) C416 /LCD_RESET TP415 FS402 Fuse FS403 0.63A Fuse FS401 0.63A Fuse LED401 LED402 NSCW335 NSCW335T R455 470K NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.

  • Page 105: Reception Signal

    CONFIDENTIAL R413 100K IC402 IX3053AF C415 POWER MANAGEMENT R410 1.2K TP413 C413 5-15 (11-C) CAMN CAMP GND3 GND2 GND1 5-15 (12-C) CAPN2 C411 TEST CAPP2 CUR1 CAPN1 C409 CUR2 CAPP1 R407 TP412 120K CPIN IREF TP411 VBAT2 VBAT1 S402 TP410 C408 C402 R405...
  • Page 106 CONFIDENTIAL MAIN PWB-A (2/3) MAIN PWB-A(2/3) RECEPTION SIGNAL 5-18 (3-D) TRANSMISSION SIGNAL VIB_CNT SPEAKER SIGNAL TP110 SP1-1 5-18 (6-B) SP2-1 TP111 SIMIO SIMCLK 5-18 (4-G) SIMRST KEYPADROW[0-4],KEYPADCOL[0-4] 5-18 (5-E) 3.0V 5-12 (2-F) VINT 5-19 (8-G) GENIE_CHG 5-18 (3-D) 5-18 ADPDET (4-C, 6-E) CONT1 5-18 (4-C)
  • Page 107 CONFIDENTIAL 5-18 (4-G) R124 C144 VBAT_AP VINT 0.047 R182 C141 VIB_CNT VBAT_AP 5-8 (6-D) C142 R172 C143 SPOUT1 VREF SPOUT2 C146 IC103 EXT2 0.001 DATA[7] R173 PLLC YMU759B DATA[6] R128 IFSEL SOUND DATA[5] 3.3K /RST DATA[4] /IRQ DATA[3] EXT1 DATA[2] CLK1 26 27 28 29 30 31 32 1.8V...
  • Page 108 CONFIDENTIAL MAIN PWB-A (2/3) 5-19 (10-C) 5-18 (4-G) 2.45V VANA SYNTHDATA VANA_AD6521 SYNTHEN 5-18 (5-H) SYNTHCLK ITXP 5-18 (3-C) ITXN 5-18 (4-D) QTXP 5-18 (3-C) QTXN IRXP IRXN 5-18 (4-C) Q101 R106 QRXP EMD9 QRXN 2.46V AFCDAC 5-18 (3-G) RAMPDAC 2.44V 5-18 (4-G) TCXOOUT...
  • Page 109 CONFIDENTIAL VINT GPIO_21 [TDO] MC_CLK MC_CMD MC_DAT[0] MC_DAT[1] MC_DAT[2] MC_DAT[3] GPIO_22 [Not use] DPLUS DMINUS GPO_00 [RXON] 5-19 (7-E) TXON 2.8V 1.8V GPO_01 [TXON] VMEM VCORE GPO_02 [BS2] GPO_03 [ADC_MTC] C133 C131 TP123 GPO_04 [Not use] C128 GPO_05 [ARSM] C134 GPO_06 [ATSM] R177...

  • Page 110: Digital Baseband

    CONFIDENTIAL MAIN PWB-A (2/3) 5-18 (3-D) FLIP_SW 5-18 (12-F) (11-F) (3-G) KEY_BL_ON LEDR LEDG 5-18 IR_O ADD[1] DATA[0-15] ADD[19] 5-18 ADD[18] (4-G) ADD[17] ADD[1] 1.8V 2.85V 3.0V 2.8V 3.0V 3.0V ADD[2] VRTC VSIM VINT VMEM VINT VINT 3.0V VINT C160 C156 C157 C161...
  • Page 111 CONFIDENTIAL 5-19 (10-D) 3.0V VINT UN101 INFRARED PORT SGND LEDA IR_SD 5-18 (6-D) 5-18 (6-D) IR_ON 5-19 (10-D) 5-19 (9-F) 5-9 (7-B) 5-9 (7-C) 2.5V 3.0V 3.1V VCCD VINT VCAM +13V C177 C184 C192 C194 C196 CN101 AVDD(3.1V) R157 DATA[15] VDD1(2.5V) DATA[13] DATA[11]...
  • Page 112 CONFIDENTIAL MAIN PWB-A (2/3) TP128 nAUXCS1 [Not use] TP151 GPIO_42 [LCD Controller /CS] GPIO_43 [Camera /CS] GPIO_44 [Not use] [Not use] GPIO_45 TP130 [Sound_IC /CS] GPIO_46 R171 nHWR [/UBS] R178 nLWR [/LBS] nWAIT [LCD Controller /Wait] nADV [Not use] BURSTCLK TP129 [Not use] DATA[0]...
  • Page 113 CONFIDENTIAL to LCD Curcuit SUB_BL_ON /LCD_CS 5-8 (4-F) 5-8 (4-F) DATA[0-15] 5-8 (4-F) DATA[0-15] 3.0VV 5-8 (5-F) VINT 5-8 (4-F) /LCD_WAIT BUFOFF 5-8 (4-F) LCD_RST 5-8 (3-F) 5-14 5-18 (6-F) (6-B) TP176 3.0V 3.0V VINT VBACK IC106 LRS1B24 4-LEVEL STACK MEMORY DATA[0] DATA[1] DATA[2]...
  • Page 114 CONFIDENTIAL IC201 MAIN PWB-A(3/3) 5-17 (8-C) 3.0V XC6209B302MR VBACK RECEPTION SIGNAL HIGH SPEED LDO VBAT_BB TP203 REGULATOR TRANSMISSION SIGNAL TP202 Vout SPEAKER SIGNAL IC204 RELAY FPC_A BACK_BATT R3111Q251C 5-8 (6-D) PWB-C VOLTAGE 5-13 (9-G) VBAT_AP DETECTOR TCXOEN CN201 VBAT_AP LEDB SP1-1 LEDB_M SP1-1...
  • Page 115 CONFIDENTIAL VANA IC203 P203 Q204 2.46V RQ5RW18B 2SA1989 SR 1.8V REGULATOR Q203 RT1N144 U ADC_MTC 1.8V 5-12 (2-G) BATT_SENSE 2.44V VOUT 5-12 (1-F) TP205 VBAT_BB C210 VBAT_BB 5-13 (9-G) PWRON C220 PWRONIN PWRON IC202 TCXOEN ADP3408ACP SIMEN POWER SUPPLY 5-13 (9-G) MVBAT 5-12 (1-G) MVBAT...
  • Page 116 CONFIDENTIAL MAIN PWB-A (FRONT SIDE) IC210 L103 C182 C157 C159 L104 C183 C448 TP139 C158 R178 C474 IC405 TP123 TP128 TP129 TP148 C462 TP147 TP140 TP142 TP149 IC106 TP150 TP152 IC104 IC403 TP172 TP162 TP160 TP156 L109 TP137 C148 C154 C164 R132 TP153...
  • Page 117 CONFIDENTIAL MAIN PWB-A (REAR SIDE) 5-34 (5-F) FROM LCD100 TP168 TP167 TP425 TP430 TP109 TP420 TP418 TP426 TP213 TP421 TP422 TP141 TP138 TP424 CN404 FROM R193 BACK LIGHT FPC C470 C457 ASS'Y PWB-F TP428 C451 C469 C459 5-34 (5-E) TP429 C150 C450 C454...
  • Page 118 CONFIDENTIAL KEY PWB-B (1/2) FLEXIBLE PWB, SIDE SWITCH PWB-I KEY PWB-B(1/2) RECEPTION SIGNAL SIDE-UP SIDE-DOWN TRANSMISSION SIGNAL SPEAKER SIGNAL V317 V318 D310 RSB6.8S 100P 100P CENTRE RIGHT SO RIGHT "VODAFONE LIVE" SEND DOWN LEFT SOF LEFT 5-27 (9-F) VEXT_CN TP308 Down Genie Printer...
  • Page 119 CONFIDENTIAL TP451 and TP452 are patterns for Vibrator. VVIB MO100 VIBRATOR DGND SP100 5-18 (1-C) SPEAKER AGND KEYPADCOL0 KEYPADCOL1 KEYPADCOL2 KEYPADCOL3 KEYPADCOL4 GOAST TP305 On the FPC On the FPC KEYPADROW0 CENTRE SIDE-UP SIDE-DOWN TP307 KEYPADROW1 RIGHT RIGHT SOFT TP306 "VODAFONE KEYPADROW2 LIVE"...
  • Page 120 CONFIDENTIAL KEY PWB-B (1/2) Power(-) V301 L305 R310 100P FERRITE BEADS FLashload_ON "High" Genie_CHG L306 R312 FERRITE BEADS L307 R313 Debug_Tx FERRITE BEADS L308 R314 FERRITE BEADS D307 R315 L309 "Low" ADPDET RSB6.8S FERRITE BEADS R316 CN302 L310 EXTERNAL Debug_Rx CONT2 FERRITE BEADS CONNECTOR...
  • Page 121 CONFIDENTIAL GENIE_CHG 2.99V TP309 D301 HN2S01FU TP313 TP311 ADPDET D302 CONT2 HN2S01FU CONT1 3.0V TP314 C316 VINT TP315 Q301 UM6K1 IC301 TC7WH04FK LOGIC 0.01V 0.93V Q302 IC308 UM6K1 TC7SZ04A LOGIC TP322 TP323 MIC100 MICROPHONE ) : Not Mount...
  • Page 122 CONFIDENTIAL KEY PWB-B (1/2) IC302 VBAT NJM2871F03 VBAT 3.0V REGULATOR CONT VOUT C340 Q303 2SC4617 R C341 D304 TP346 1SS388 R325 1.2K TP345 R327 VBAT Vout ON/OFF IC306 D309 TK71635S CUS01 HIGH SPEED LDO D306 REGULATOR CUS01 D303 RB160M30 1.67V C321 1.68V 5-24 (2-C)
  • Page 123 CONFIDENTIAL RERAY FPC_A PWB-C CN405 5-18 (2-E) IC307 C308 LM20BIM7 VINT TEMPERATURE 2.715V SENSOR R368 IC305 EW6671 HALL 5-22 (4-G) 2.715V VEXT_CN VBAT_AP VBAT_S CN305 DGND CONT1 CONT1 DGND IRXN IRXN GATEDR IRXP IRXP VBAT_AP QRXP QRXP VBAT_AP QRXN QRXN VBAT_S 5-30 (1-E) BATT_SENSE...
  • Page 124 CONFIDENTIAL KEY PWB-B (1/2) 2.9V TP319 2.9V 5-30 (2-C) Q309 VTXVCO VTXVCO 2SA1955 A IC304 TK11129CSIL 2.9V REGULATOR TCXOEN R351 1.2K RFON 2.88V R352 1.2K TXON 2.87V Q304 EMG9 TP324 L314 C326 FERRITE BEADS 47P(CH) L315 D308 FERRITE BEADS RSB6.8S SIMCLK,SIMIO,SIMRST NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
  • Page 125 CONFIDENTIAL TXON TXON ADIN_B VEXT_ON ADIN_B GENIE_CHG GENIE_CHG POWONKEY POWONKEY 2-C) POWONKEY 5-24 5-26 5-24 (3-F) (2-C) (2-F) VBAT_BB VINT VSIM CHGIN CN306 VBAT_BB KEYPADCOL[0] KEYPADCOL0 VBAT_BB KEYPADCOL[1] KEYPADROW[2] KEYPADCOL1 KEYPADROW2 KEYPADCOL[2] KEYPADROW[0] KEYPADCOL2 KEYPADROW0 KEYPADCOL[3] KEYPADROW[1] KEYPADCOL3 KEYPADROW1 KEYPADCOL[4] KEYPADROW[3] KEYPADCOL4 KEYPADROW3...

  • Page 126: Transmission Signal

    CONFIDENTIAL KEY PWB-B(2/2) TRANSMISSION SIGNAL RECEPTION SIGNAL BS1 BS2 HIGH IC992 TC7W00FK HIGH HIGH LOGIC HIGH LOW LOW HIGH HIGH HIGH HIGH HIGH 5-29 (1-D) IC993 NL27WZ08 5-23 (11-G) BATT LOGIC VTXVCO 5-28 (6-A) R886 C889 VTXVCO 5-28 (6-A) RAMPDAC 5-29 (8-E) R887 C860...
  • Page 127 CONFIDENTIAL IC991 NL27WZ08 LOGIC IC881 C885 Pin 8 0.01 HIGH C836 1 2 3 4 100P(CH) C834 C833 100P R885 C882 C860 (CH) (CH) R853 100P(CH) 22P(CH) DCS/PCS TX DCS/PCS TX IC831 PF08123B R851 R816 1 2 3 4 RF POWER AMP. GSM TX 10dB BEADS...
  • Page 128 CONFIDENTIAL KEY PWB-B (FRONT SIDE) LEFT RIGHT SOFT SOFT CENTRE V317 V318 R345 R346 LED311 LED312 TP344 R344 R335 END/ SEND POWER "VODAFONE LED310 LED301 LIVE!" TP308 D308 Q303 TP323 C326 FL303 IC305 TP322 MIC100 MICROPHONE...
  • Page 129 CONFIDENTIAL 5-34 (4-D) (103-6) KEY PWB-B (REAR SIDE) FROM RELAY FPC_B PWB-D FROM RELAY AERIAL FPC_C PWB-E 5-34 (6-C) 5-34 (2-D) TP348 FROM RELAY FPC_A TP305 TP307 SOLDER SOLDER PWB-C CN405 TP321 CN306 TP306 MO100 TPB334 L303 C353 VIBRATOR C335 D305 C352 R332...
  • Page 130 CONFIDENTIAL RELAY FPC_A RELAY FPC_B RELAY FPC_C PWB-C PWB-D PWB-E TO MAIN PWB-A (FRONT SIDE) TO MAIN PWB-A (FRONT SIDE) CN201 5-20 (4-G) CN202 5-20 (3-G) 5-20 (4-G) TO MAIN PWB-A (FRONT SIDE) BACK-UP BATTERY 5-20 (3-G) HOLDER SOLDER LED405 SOLDER MOBILE TO MAIN PWB-A...
  • Page 131 GX20 CONFIDENTIAL Conditions: SIM card inserted, power on, in stand-by mode (opened) Measuring instrument: Digital multimeter : Unmeasurable IC101 IC203 IC210 IC107 IC307 PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE Not used 3.01V...
  • Page 132 CONFIDENTIAL IC831 IC901 IC991 PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE 0.19V 2.94V 3.89V 2.94V 3.89V 2.95V 2.94V 2.94V 0.14V IC992 0.14V IC881 PIN NO. VOLTAGE PIN NO. VOLTAGE 2.94V 0.19V 0.24V 0.41V 0.24V 2.95V 1.3V 2.94V 0.21V 0.24V 2.95V 0.24V...
  • Page 133 OZ/IQ/YO/Calc GX20 Service Manual TQGX20 Market BIAS VOUT1 +VIN 20 k 20 k 50 k VOUT2 +VREF 145 k 50 k...
  • Page 136 /RST Timing Generator Vol R Vol L SCLK Power SYNC Down SDIN Control Select Mono SDOUT Register Synthesizer Number of 16-bit voices: 16 (Fs = 49.7 kHz) FIFO CPU I/F VREF 20 ~ 27 D0~D7 ADPCM FIFO ADPCM & Playback (Fs = 4 or 8 kHz) IFSEL ADPCM...
  • Page 140 (TOP VIEW)
  • Page 142 (TOP VIEW) F/SC-VCC A0~A16 A18~A21 F1: 64M (x16) bit RY/-BY F-A17 Flash memory F-/OE,F-/WE, DQ15 S-/WE DQ14 /WP, /RST F1-/CE F-/WE RY/-BY S-A17 DQ13 F2: 64M (x16) bit Flash memory /RST DQ12 S-VCC F/SC-VCC F2-/CE DQ0~DQ15 DQ11 F/SC-VCC DQ10 S-A17 64M (x16) bit Smartcombo RAM CE2, S-/OE, S-/WE,...
  • Page 143 ON/OFF Each ciruit Control Current Limit 5 VOUT Voltage Reference...
  • Page 144 VOUT VREF CURRENT LIMIT VREF VOUT VREF CURRENT LIMIT...
  • Page 145 VOUT Over Heat & Control Over Current Circuit Protection 320 k Bandgap Reference 500 k CONT (IC209: VCONT) ON/OFF Each ciruit Control Current Limit 5 VOUT Voltage Reference...
  • Page 146 VREF (TOP VIEW) VOUT Thermal Protection CONT Bandgap Reference...
  • Page 147 VOUT Control Constant Over Heat & Circuit Current Over Current Source Protection Bandgap Reference 500 k CONT Pulse Regulator Reg. Output Amplifier OUTPUT stage Hall cell Schmitt trigger & Latch...
  • Page 148 5 VOUT SW Circuit Constant Over Heat & Current Current Protect Source Disconnect Bandgap Circuit Reference ON/OFF (VREF) CONTROL 750k½ (Top View)
  • Page 150 LEDG GND1 VBAT1 LSO11 LSO12 WVOUT TEST LEDR LEDB TRSW LSO21 LSO22 CAPP1 CAPN1 SENSP SENSN CPIN CAPP2 VPLUS2 CAPN2 GND3 STRB VPLUS12 CAMP DATA IREF VREF LEDCTL CUR2 CUR1 FLED GND2 VNEG CAMN RSTB BLED GNDP VBAT2 VPLUS11...

  • Page 154: Memory Interface

    RESET_B Reset SE_LD2/PORT5 FULL Some MHz SE_LD3/PORT6 Halt MasterClock (MCLK) TEST ····· VRAM/HOST/HS/BS/ to 68 MHz Scan Some MHz to 33 MHz VDIF/VSPetc Ctrl PWM0/PORT3 LCDTimingClock (TCLK) PLLDIV[2:0] ····· TG/Pallet/LCD IF 5MHz~10MHz PWMLCD/PORT4 /CDE/BS SUBLCDTimingClock ····· SUB PWM1/PORT8 (STCK) XIN clock Clock LowSpeedClock (LCLK) ·····...
  • Page 155 COMPARATOR DRIVER 95mV 1.25V 0.2 ohms RAMP GENERATOR SHUTDOWN 1.2MHz OSCILLATOR SHDN...
  • Page 156 Vctl Vdd2 Pin DCS Pout DCS Pin GSM Pout GSM Bias circuit Vapc Vdd1...
  • Page 158 (TOP VIEW)

  • Page 160: Parts Guide

    GX20 CONFIDENTIAL PARTS GUIDE DIGITAL MOBILE PHONE GX20 MODEL (INTERNAL MODEL NAME: TQ-GX20E/G/R/T/S/H/EP/PP/W/B/D/A/Z/Q/L/F/C) E : For U.K. G : For Germany R : For Ireland T : For Italy S : For Spain H : For Netherlands EP : For U.K. (Prepaid)
  • Page 161 CONFIDENTIAL GX20 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK INTEGRATED CIRCUITS D310 VHERSB6R8S+-1L AC Zener,6.8V,RSB6.8S D401 VHDRB520S30-1- AB Schottky,RB520S30 D402 VHDRB521S30-1- AB Silicon,RB521S30 IC101 VHINJM2149R-1+ AF Speaker Amp.,NJM2149R D403 VHERD22SL++-1L AC Zener,22V,RD22SL 1 IC102 ———— –– Not Replacement Item,This Parts...
  • Page 162 GX20 CONFIDENTIAL PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 0.01 µF,16V ARRAY PARTS C226 VCKYCZ1CB103KT AD 4.7 µF,6.3V C227 RC-KZ1308AFZZT AA 0.22 µF,10V C228 VCKYCY1AB224KT L445~451 RCILZ0390AFZZN AC Array,120 ohms AC 2.2 µF,6.3V C229~231 VCKYCY0JB225KT R104...
  • Page 163 GX20 CONFIDENTIAL PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK C821 VCCCCZ1EH1R5CT AB 1.5 pF (CH),25V R197 VRS-CZ1JB124JT AB 120 kohms,1/16W C824 VCCCCZ1EH1R0CT AA 1 pF (CH),25V R199 VRS-CZ1JB333JT AB 33 kohms,1/16W C831 VCCCCZ1EH271JT AA 270 pF (CH),25V...

  • Page 164: Cabinet Parts

    GX20 CONFIDENTIAL PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK CN301 QSOCZ9171AFZZL AH SIM Card Connector DKENDW025AFS3 CV Board Unit [A] CN302 QSOCN1801AFZZL AM External Connector DKENDW025AFS4 CV Board Unit [EP] CN303 QCNTA0128AFZZN AG Contact,Battery DKENDW025AFS5 CV Board Unit [R]...
  • Page 165 GX20 CONFIDENTIAL PRICE PART CODE DESCRIPTION RANK ACCESSORIES/PACKING PARTS GFTAB1404AFSA AH Cover,Battery RADPT6214AF01 AC Charger [A] [Z] RADPT7203AF01 AC Charger [B] [D] [G] [H] [PP] [S] [T] [W] [Q] [F] [C] RADPT8201AF01 AC Charger [E] [EP] [R] [L] RUNTZ0893AFZZ AS Hands Free Kit SPAKA2823AFZZ AG Packing Add.
  • Page 166 GX20 CONFIDENTIAL 107x2 602x2 602x2 102-5 102-1 103-3 102-2 102-3 103-6 104-27 104-18x2 103-4 (LCD001) 104-37 104-16 103-1 104-43x2 104-14 104-36 104-38 103-2 104-40 103-8 [F], [C] and Except for [F], [C] 104-41 103-7 104-10 103-5 from Serial No. 308XXXXX is...

  • Page 167: Packing Method

    CONFIDENTIAL GX20 Packing method 1. GFTAB1404AFSA Cover,Battery 12. TGANZ1111AFZZ Guarantee [PP] 2. RADPT6214AF01 AC Charger [A] [Z] 12. TGANZ1112AFZZ Guarantee [W] 2. RADPT7203AF01 AC Charger [B] [D] [G] [H] [PP] [S] [T] [W] [Q] 12. TGANZ1113AFZZ Guarantee [B] [F] [C] 12.

  • Page 168: All Rights Reserved

    GX20 CONFIDENTIAL © COPYRIGHT 2003 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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