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Siemens SL45 Service Manual V1.0

1. 39 8 2 Keyboar E R 40 9 c 41 9 1 e 41 9 2 Battery COnMECTOT T 42 9 3 Display COMME EU 42 9 4 MMI e 43 V1 0 Page 3 of 43 ICM MP CC ST SL45 Company Confidential 10 01 SIEMENS SIEMENS Mobile CUSTOMER CARE im 1 List of available level 2 5e parts SL45 ID No Type Name function Location Rep Code Order No D100 IC EGOLD 4EGO L36810 G6103 D670 D250 IC SCHALKE_ASIC Pow Supply 4PSA L36145 J4682 Y29 D400 IC MP3 LARA 1 4LA1 L36820 C6118 D670 D401 IC MP3 LARA 2 4LA2 L36820 U6068 D670 D470 IC MMG_SCHALKE_ASIC 4MMG L36145 J4681 Y54 D490 IC Volt Reg RF 4REG L36820 C6148 D670 D500 IC SMARTI 4SMA D550 IC LNA RF 4LNA L36820 L6047 D670 N600 IC Op Amp RF 40PA L36810 C6046 D670 N630 IC Volt Reg RF 4REG L36820 C6070 D670 N631 IC Volt Reg RF 4REG L36820 C6147 D670 V251 Transistor Charge Logic 4CHT L36830 C1064 D670 V530 Transistor VCO_SW RF 4SWT L36820 C6047 D670 V601 Transistor PA_Cont RF 4SWT L36840 C4014 D670 V651 Transistor PA_Cont RF 4SWT L36840 C4009 D670 V653 Transistor PA_Cont RF 4SWT L36840 C2074 D670 V810 Transistor 13 AMP RF 4SWT L36840 C4039 D670 2100 Quarz EG
2. 2800 228 18 V1 0 SL45 a r a fm UMXTTNTR osjo 810 8 2 2719 E Gold Page 7 of 43 Company Confidential KB3 KB4 RESET 2 65V RE ESET 2 65 J s 4 4 UPXTINTR GND GN e B5V da 9 Se A 9 CCRST amp e Z100 CCCLK n lo c 32 1 8 8P2 CCIO GND GND END S cna CCVZO iu 4 EE gt TES VCXOEN RTC INT KBD 2 CS LCD lt lt KI GND GND PR NB K ig ICM MP CC ST 10 01 SIEM SIEMENS 4 2 2 Synthesizer LO1 The first local oscillator 1 consists of the PLL part of the Smarti D500 a loop Notes filter and a VCO 7530 module This LO1 circuit generates frequencies from 1445MHz to 1520MHz for GSM 1800 RX operation and from 1285MHz to 1361MHz for the other operations It is switched to select the channels in stages of 200kHz The VCO module is switched on by the EGOLD signal PLLON TDMA Timer J12 via V530 The switching between GSM900 and GSM1800 is done via the signal OSW signal from the Smarti 0400 pin 21 The channel programming of the PLL part of the Smarti happens via the EGOLD signals SYGCCL SYGCDT SYNSTR RF Control K14 K15 M15 The VCO output signal enables the Smarti IC to mix the IF Frequency 360 MHz The VCO output is also guided to the Smarti PLL part D400 to ensure f
3. 2 01 281 22 3R9 TP631 VCC_SY P639 gt VCXOEN me z 4 og e Se S sm N631 tc i V1 0 Page 6 of 43 ICM MP CC ST 5145 Company Confidential 10 01 4 2 Frequency generation 4 2 1 Synthesizer The discrete VCXO 13MHz The generation of the 13MHz signal is done in the SL45 via a discrete VCXO A Colpitts oscillator with a crystal Z800 and a post switched buffer stage is used as oscillator switch The subsequent oscillating circuit C807 C817 L800 and the resistor R806 create a de coupling of the synthesiser from interference signals coming from the logic SIN13M functional M14 The oscillator frequency is controlled by the signal which is generated from the EGOLD D100 functional R3 and the capacity diode V800 To reduce the charging time of the low pass R816 C816 the resistor R816 is bridged by the diode V802 For the temperature control a temperature dependent resistance R802 is placed near the VCXO Notes The required voltage SYN is provided by the N631 The picture BB shows the SIN 13M measured at TP120 Signalform VCC VCXO 22 13 2 820802 5 800 829 102 VCC 5 00 m C800 T g ed d gt gt 7 qa z o m CX91 F 13MHZ a AFC_PNN lt lt 44 i 2IP SINIM 7 22k 100K 56 39R 47 d OR RODE 804 LL L LET 1
4. TBAT comparator input for temperature sensor of the battery REF EXE Reference voltage for temperature sensor VDD CHARGE Charger typ detector input power supply for trickle charge SENSE Voltage input of external current sensor with reference to AVDD With rising slope on CHARGE the current source is switched on via a LOW active CHARGE signal and the Charge FET is conductive Condition CHARGE is HIGH for min 20us temperature sensor detects no overhead overvoltage on VDD With falling slope on CHARGE_uC the current source is switched off and the Charge FET is locked Temperature sensor works by T gt 60 C Fast charging After connecting a charger and a battery voltage higher then 3 2 V the controller switches via a HIGH level of CHARGE_uC the charge FET conductive if the level of TBAT is gt then the level of REF_EXE The charging current and battery voltage is controlled with the pulse duty factor of The current flow can detected with the signal SENCE_IN controlled via the bus from the EGOLD Trickle charge If the phone has not been used for a longish time longer than approx 1 month the battery could be totally self discharged battery voltage less then 3 2V so that itis not possible to charge the battery via the normal charging circuit In this case only trickle charge is possible The Schalke ASIC controlles the charging circuit himself Battery voltage below
5. Timer generation All internal timers and pulses are derived from a 900 kHz 10 internal oscillator Responsible for the frequency stability is an external resistor R257 1 at the RREF pin Audio Audio amplifier Mono audio driver for internal loudspeaker Driver to generate ringer tones Key click generator Dp Is 2 bus for communication between EGOLD and Schalke ASIC SIEM CARE Notes ENS Miabile V1 0 Page 20 of 43 ICM MP CC ST SL45 Company Confidential 10 01 ON OFF REGI POWER ON RESET Switch off timing overview WDOG 2 POWER ON RESET to t 640 us t 60 ms V1 0 Page 21 of 43 ICM MP CC ST SL45 Company Confidential 10 01 Battery A Li lon battery with a nominal capacity of 540mAh is used for SL45 Notes A temperature sensor NTC is integrated to monitor the battery temperature Charging Concept General To control the charging process a charging control unit consists of a Fast Charge Controller and a Trickle Charger is implemented Existing of a internal current source a temperature monitoring a external charge FET a charge detector voltage level and or charge current of an external charger supplied trickle charge circuit and a detection of the charge current in 5 steps The charging control unit communication with the EGOLD is done via bus CHARGE charge request input of the EGOLD CHARGE Open Drain 300 00
6. 5145 Level 2 5e Repair Documentation toko gsm free org V1 0 Page 1 of 43 ICM MP CC ST SL45 Company Confidential 10 01 Table of Contents 1 LIST OF AVAILABLE LEVEL 2 5E PARTS 5145 4 2 REQUIRED EQUIPMENT FOR LEVEL 2 5E SL45 5 3 REQUIRED SOFTWARE FOR LEVEL 2 5E 5145 5 4 RADIO PARI elle 6 4 1 Power a M 6 4 2 Generatio oso iiec ei vi 7 4 2 1 Synthesizer The discrete VCXO 13 MHZ ccccccccceseeeeseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeees 7 4 2 2 8 4 2 3 9 4 2 4 SDL rrr E 10 4 3 Antenna switch electrical mechenical c cssoccsssssscccsssssscccsssesscccesssssoccsssssscccsscsssoccsscessosssscessossess 11 4 4 mee 13 4 4 Receiver GSM900 1800 Filter and LNA eese nnns 13 4 4 2 Receiver Mixer IF Amplifier and Demodulator eeeeeeeseeeeseseeeeeee
7. INN OILOOO dd LNOdSd 012099 Od 1 1 010022 jnopuog jeioeds pue Jeisuo sasinbas ICM MP CC ST c Te 5 NC oc Oo a g uC part components Mikrocontroller Systeminterfaces for internal and external peripherals e Onchip peripherals and memory chips The Controller Firmware e Controlling of the Man Machine Interface Keypad LCD Illumination GSM Layer 1 3 Controlling Radio part Synthesizer AFC Controlling of the Baseband part EGAIM The SP Part components DSP Signalprozessor Die DSP Firmware Equaliser Channel Coder Channel Decoder Voice Encoder Voice Decoder V1 0 SL45 Page 27 of 43 Company Confidential ICM MP CC ST 10 01 SIEMENS 6 3 Overview EGAIM E GOLD Architecture Single Chip Cellular Baseband Processor Package P LF BGA 200 ies DAC Viterbi CMSK 4 R Suing HW Shaper Sing Accelerator Cipher Unit ul 51 52 4 60k x 16 Voiceband Filters RX and TX P 3k x 16 Y RAM 2k x 16 og E E Baseband 16k x 16 Filter X ROM 1 16k x 16 De Interleaving 16k x 4 476 Dit read access rra fo ARAN Switch Matrix page selector 11 RF Output Power Control 10 bit DAC EGAIM in
8. Unless the battery is going to be charged the measurements are made in the TX time slot While charging the measurement is done after the TX time slot At the same time either the battery temperature in the and the battery voltage in the Q branch or the ambient temperature in the I branch can be measured Other combinations are not possible For the time of the measurement the multiplexer in the EGOLD must be programmed to the corresponding measurement V1 0 Page 23 of 43 ICM MP CC ST 5145 Company Confidential 10 01 5 3 Power Supply MP3 LARA A voltage regulator N490 with a nominal output voltage of 2 9V is used to perform the required MP3 LARA voltage The voltage regulator N490 is activated via MP3 LARA provided by the EGOLD RF Control L12 The name of the voltages is 2V9 LARA activated by LARA EN For the voltage BATT is required POWER SUPPLY LARA 2V9_LARA 29851 5 2 9 gt ARA EN col OON OJ g y c D V1 0 Page 24 of 43 ICM MP CC ST 5145 Company Confidential 10 01 SIEMENS Mobile CUSTOMER CARE P 6 Logic Part 6 1 Overview Logic Flash CS_FLASH CS_SRAM BHE i MMC Display 32Mbit 0 22 D 0 16 RD WR MMG MMCCLK 80x101 inkl MMCDAT MMCCMD 3Mbit SRAM IRQ_MMG SYSCLK MMCVCC RESET 2 0V MMCSW CS LCD RS LCD SCL SI DAT REQ DAI Keyboard 9 ON OFF K
9. ang Bj 69X NJdNDXI 3 ds x WSONOXL 059 j3 9NIQ3IH j 8 3 3 2 2 5 m E ro JJ t a m Ss 9 DN a zi S x i rer Rn SS SS aS LIII Ime o t 5194 fer See d LE 5 5 Y C Y ES 872224 A01 872224 2194 81 930 8 0180 4d c TUNI Z0dd e 0597 w s e TES 2991 3 246 1893 2499 0893 j 2 5 522 EL lt 1710 g CN 302A X 17N2d az 0531 1593 ct 930474 C mis ER T D is LN Iez m HERE WN eae 8N9 VT uc 0992 242 P 699 059 9 431 4 IdW a3MOd 0 0 gt L 1198 V y pe ee Ic ICD ccc ccc QM ccc a cmd I 6 E V x g N34 31400 E s it ax Sino z 8 zje 88 er 5 Vd gt n E 1295 EI 819 pd T wl m ale 2 EET 1092 AE 092 820 BU J 28 4 ae Ji nom T 122 T MEZ be i r 22 gt 1193 C aK gt OND 20 1d 893 38i 2 hy 08 DOJN 3022 2094 y ide 819 094 BY ii PTT ii zh m V Al 905551 e ap L e 17 41 4 ASE ZIJA En ES
10. 0 Page 14 of 43 ICM MP CC ST SL45 Company Confidential 10 01 4 4 3 Smarti IC Overview OO e gt lt Cz QR 25 5 Q IRX X Not active V1 0 5145 gt LL Li 9 7400 3 wire bus 15 of 43 Company Confidential Mix 1 VCC6 ICM MP CC ST 10 01 4 5 Transmitter 4 5 1 Transmitter Modulator and Up conversion Loop The SL45 modulation is based on the principle of the up conversion modulation Notes phase locked loop and is accomplished via the Smarti 0400 The Smarti IC provides the quadratic modulator working with the TX IF frequencies GSM PCN 424 MHz Whereby these frequencies are supplied from the second local oscillator signals 1694MHz 4 This so generated GMSK RF signal is compared in a phase detector with the down mixed GMSK RF output To get the comparison signal the OUT signal is mixed with LO1 signal With the help of the 1 LO the GMSK RF signal appearing at the output of the TXVCO Z570 is mixed to a TX IF below the TX signal and is led on to the phase detector The modulated signal in the IF position is also led to the phase detector The output signal of the phase detector passes a discrete loop filter realized by capacitors and resistors and force the TXVCO to work on the right frequency This large loop band width guarantees that the regulating process is considerably quicker than the changes in the modulation signal T
11. 2 8 Volt charging current 20mA Battery voltage below 3 2 Volt charging current 50mA Battery voltage over 3 2 Volt Normal charging Power supply for the Schalke ASIC in this mode is the external charger VDD CHARGE This charging mode is not visible for the customer IF the battery voltage reaches the 3 2V level the Schalke ASIC switch into normal charge V1 0 Page 22 of 43 ICM MP CC ST 5145 Company Confidential 10 01 Measurement of Battery and Ambient Temperature Notes The voltage equivalent of the temperature on the voltage divider is measured as the difference against a reference voltage of the EGOLD For this the integrated XA converter of the EGOLD of the base band branch is used an analog multiplexer either the base band signal the battery temperature Voltage or the ambient temperature voltage can be switched to the input of the converter The 1 Bit current of the converter will be subjected to a data reduction via the DSP circuit so that the measured voltage for battery and ambient temperature will be available at the end as a 10 bit data word Measurement of the Battery Voltage Analog to the I branch either the RX Q base band signal or the battery voltage can be measured in the Q branch The processing in the DSP circuit is done similar to the l branch The EGOLD is specified for voltages measurements at the input 1 VBAT from 3V 5 5V Timing of the Battery Voltage Measurement
12. 2 TS gt n 942 GND SE wm 55 0556 cs d un E SN ONG lt 0 E L557 P s T x a lt E ds 20 v GND CND eile els m RX FRONTEND CUm VCC2 Sd 550 569 590 599 200 810 GND GD V1 0 Page 13 of 43 ICM MP CC ST SL45 Company Confidential 10 01 SIEMENS m 4 4 2 Receiver Mixer IF Amplifier and Demodulator The Smarti IC D400 has two separate input mixers one for EGSM900 and Notes one for GSM1800 The mixing result for both mixers is an intermediate frequency from 360 MHz The GSM900 mixer works in inverted sideband mode LO1 above RX frequency the GSM1800 mixer in step mode LO1 below RX frequency The outputs of both mixer are connected to the same IF Filter After passing an external IF Filter Z500 the signal arrives at the programmable IF amplifier in the Smarti This amplifier has a dynamic of 80dB 20dB to 60dB and can be set PGCSTR SYGCDT SYGCCL in 2dB steps Finally the signal is mixed down by the demodulator to differential and RX_I RX_IX RX_Q RX_QxX signals off 5 This signals are guided to the EGold A D converters in the base band path VCC2 8 L500 150P C503 C584 ere XI ln exl tv ca 33N L502 PLLON lt e SYNS TR SYGCOK OR SYGCCIES RX_QX lt EGold V1
13. 5194 9199X Z LADES Abe JE a 1 S SNNGLNY INAJINI y 095 2 8 230A E gt e E MO AN Ta m 21 e 5 Zhe ER e 2 3NN3INY 3N331X3 5 55525 2 41 5 i 683 013 Niunnysiseoa 6 mo w HOLIMSYNNALNY ONSLNOAS E SUR m INOXI JOO 1 Yd gt Dense ZIJA 20 SE ZIN Y 41 Ene 9 El l 21 01 6 8 L 9 5 2 SIEMENS Mobile CUSTOMER CARE P 5 Power Supply 5 1 Overview and Voltages Notes Leerlaufspannung 1 4 3V 3 2V PA TA Treiber Regelung E vu im TX C 22 uF an PA in Logik 110 mA max Beleuchtung Displa Li Thin lon i 540mAh Linear 2 0V 4 594 Tastatur Regler VDDRTC SCHALKE AGIQ3 max EGOLD Core Linear 2 07V 3 SCHALKE ASIC Regler 4Mbit SRAM SCHALKE MOWA max Flash Display Linear 2 65V 3 1mA max Regler EGOLD Portpin SCHALKE 2 90 max 20mA max Vibrator evtl an Batt 60mA max EGOLD Ringing 16 HK GAIM 150mA 20 Linear 2 9V 2 Regler Flash 2 SIM ALKE TAAA 55mA 6mA MMC 50mA 5 ASIC I O 5mA be LED 50mA max 3 pes Linear 2 9V 4 Regler LARA MP3 erem 100mA max 100mA max 1 bei Akku ziehen 5 ax 6 5V max fur s 100mA max 75 mA max 2 Intel 55mA max ST 20mA max Lin
14. Both frequencies are divided by 4 to get the 360MHz demodulator IF frequency and the 424MHz modulator frequency The RX TX switching is done internally and is initiated by the EGOLD through the SYGCCL SYGCDT SYNSTR RF Control K14 K15 M15 signals Responsible for switching On Off the second local oscillator in the EGOLD signal PUPLO2 TDMA Timer L11 at SMARTI pin 16 The required voltage VCC2 8 for D400 is provided by N630 The picture shows the VCO output signal External filter LO2 GND IFIX O CPLO2 GND3 c v PLLON QR FSYS V zi Y C IRX M gt CSHQ PLL CSHI 0 VCC4 5 r1 277 9 RF bua A 1 e T OSW 12 dex X cPTx V1 0 Page 9 of 43 ICM MP CC ST SL45 Company Confidential 10 01 4 2 4 Synthesizer PLL PLL as a part of the PMB6250 Smarti IC Blockdiagramm PUPLO2 IF Synthesizer RXVCO TXVCO PE MUX Div 1 16 DIV 1 90 DIV 1 106 1 107 CPLO2 PFD 5 5 RefDiv B 1 13 1 MHz 1 26 RF Synthesizer PLLON LO 1 32 33 Prog A B Divider Serial Control Logic and Registers BSW Swirebus LO1TX LO1XTX LO1RX internal signal LO1XRX V1 0 Page 10 of 43 ICM MP CC ST 5145 Company Confidential 10 01 4 3 Antenna switch electrical mechenical Internal External lt gt GSM900 1800 lt gt Receiver Tr
15. EPN2 to the internal earpiece or the external loudspeaker c Generation of the PA Control Signal PA RAMP The RF output power amplifier needs an analog ramp up down control voltage For this the system interface on EGOLD generates 10 bit digital values which have to be transferred serially to the power ramping path After loading into an 10 bit latch the control value will be converted into the corresponding analog voltage with a maximum of 2V TRG ramp up ramp down se A A 15 16 17 18 30 31 32 123 GAIM DATA e PAOUT PAOUT 1 95 V OV O 25 1023 Kev Value V1 0 Page 30 of 43 ICM MP CC ST SL45 Company Confidential 10 01 IRQ 2 ROSA MMC Interface 2 MMCCLK ROSA MMCSW LARA Serial Interface MSI CS SRAM ripher 2 2 5 2 CS MMG erface aE DAI to 1 S TXDD RD l JE 125 we BHE GPRS Cipher Unit GPRS 3 MBit SRAM 192k x 16 MMG ASIC components Notes Frequency generation The PLL generates a 52MHz signal based on the 13MHz output CLKSXM EGOLD The signal is the reference of all Clock and Timing signals of the ASIC I S Interface The interface modulate the data of the DAI Interfaces EGOLD into I S data format used for the input of the stereo D A converter in the DAC3550 MP3 LARA Interface Generate a MP3 LARA data current Conversation of parallel serial data of the 16bit parallelbus MMC
16. G3 ol OUTPORT WAN QIN AN OTHER R257 CEN GND GND eal 17 100K Fuse E 1 AVSS SW VSSAUDID HE Avss7 H Fg AvSS12 D250 V1 0 Page 38 of 43 SL45 Company Confidential ICM MP CC ST 6 and keyboard 8 1 Illumination The Light is switched via an analogue switch inside the Schalke ASIC It is controlled from the EGOLD with the signal LIGHT OFF Output is the signal LIGHT which is connected via the MMI connector the LEDs POWER SUPPLY BATT 250 269 00829 CADA Ute IS T rnz 25 VBAT3 REC 3 VREG3 LPREG VBATLP lt lugar vLPREG2 5 TP251 CCVZ VSIMCTRL SIM SUITCHES VS IMOUT gt _IGHT_OFF LIGHT DISABLE L IGHTDUT LIGHT MEAS ON Hl eona ANALOG SWITCHES yregaguT z EE T ces oo er Ee zn tri n Se ae le e Am T d zz us Cd rx eM TL n Mun M un m M VID MU E Vin M DZ A5 75 7 0x7 es x x x x I x x Ii iw E EE ui gr ps gu 2102 R183 RIOS 2187 150R 150R 150R 15081 15gRl 1508 150R 159R ie V1 0 Page 39 of 43 SL45 Company Confidential Notes ICM MP CC ST 10 01 8 2 Keyboard The keyboard lines via MMI connecto
17. Interface Access to the MMC via serial HW Interface Control commands and data transmission from and to the EGOLD 3MBit SRAM SRAM implemented for write and read access V1 0 Page 31 of 43 ICM MP CC ST 5145 Company Confidential 10 01 SIEMENS Mobile CUSTOMER CARE ft 6 5 MP3 LARA HW components e DAC3550 Stereo D A converter analogue multiplexer are inside for speech and Notes LARA output not simultaneously Loudness level adjusted via Sample Rate Detection 14 3rd order Noise Shaper Multibit DAC Lontrel Analog Low pass Filter Input Select Switch Matrix Postfilter Op Amps FOUTL g37 Deemphasis Op Amps Line Out e MAS3507 Decoding off MP3 LARA data MPEG Bit Stream I Digital Audio Output Volume to uC Tone Control l Status Start up Config Page 32 of 43 ICM MP CC ST Company Confidential 10 01 6 6 FLASH memory Non volatile but erasable and re programmable Software Update memory chip Notes of the EGOLD also to save user data menu settings Voice Memo adjustment values 6 7 Real time clock inside the EGOLD Real time clock supplied from a voltage regulator inside the Schalke ASIC Also active when mobile phone is switched off During battery change a capacitor C258 as power supply is used for minimum 30 sec to save the stored data 6 8 IrDA Infrared diode f
18. Low Noise Amplifier D550 and a discrete distortion LC high pass filter after LNA amplification For GSM900 the signal flow is as follows From the antenna switch via a SAW filter Z556 through the LNA D550 and a discrete distortion LC low pass filter to the IF Mixer The amplification of both LNA s is approx 18dB with a matched 50 ohm output To switch on the LNA the signal LNAON Smarti pin 36 is used LNAG Smarti pin 33 is in use if the received signal level is too high With the high signal LNAG the LNA reduces the incoming signal in one step by 20dB For activating the GSM1800 or the GSM900 LNA part a signal BSW is generated from the Smarti pin 37 The non symmetrical output of the LNA D550 is connected to the IF mixer via a discrete balancing and adaptation circuit This circuit converts the asymmetrical input signal into a symmetrical signal The required voltage VCC2 8 is provided by the N630 Te i PMBG250V2 REV D z 38__ s1 NAON p alle ale 3B i e 1842 5MH7 ac y gt LNG LA GND 2 a EIE ee TUNES 3 5 ___3 9 3 9 2N2 L550 Mc L560 P mecs ese PHB2362 555 2 C554 2NF 1 551 n ero mum chg 581 18 554 GND lene GND GND dE L552 o
19. the DAC3550 HS_LEFT HD_ RIGHT ae 34 2 LARA E 408 455 4 se gan 8415 1 5 z PA a E 5 52e ATEH n E 22692 PIER Lj RAEB 2 Rale 1 ze FIN 3 Se FINE v E FOPL FORE 1 um mm AM CONECTOR PLAZIERT CS STEREOMHEADSE T LL ERE Se 37 of 43 ICM MP CC ST Company Confidential 10 01 51145 has no ringer component Responsible for the audio output of the ringer tones is the loudspeaker The ringer tones are generated by a signal RINGIN from the EGOLD Miscellaneous M11 This signal goes to the mono audio amplifier inside the Schalke ASIC KBO 5 KEI 2 lt KR NS Miscellaneous RE E 88555 aR ee eae 8 OTT e z of col m caf gul 5 Z 5 z 7 D N N YN Lit JOO CI C2 cC eu m ea cen oo 2 65V ELI UM c cr trn ho E eni MR ae en AKKU MID ACPI IBAI gt ENY Ce 33N AUDIO VREFEX _ EPP I NUDO Z C265 p RINGIN PE
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21. B9 LARA MP3 EN LARA MP3 DAC Dek EGOLD 2 2 2 LS_LEFT part LS_RIGHT s Schnittstelle HF Logik RESET_2 65V s l O Schnittstelle CHARGE uC WA RTC INT SLEEP LOW BATTERY lo VCXO EN EPP1 FIL EPP2 FIL VIBRA ON ae TEILER SIM Switch 6 Register I2C LDO 1 92V IR_TX GAIM LDO 2 65V IRDA_OFF Voltage GAIMLDO 2 9V divider Schalter RTC LDO 2 0V 2 9V Schalke ON_OFF Laden Licht PWM Trickle Charge Dimmen SIM EPP2 3V LIGHT MICP4 1 8 MICN1 Vibra LEDs Battery K 540mAh ey Display Li lon illumination Z N Vertraulich Confidential Page 25 of 43 ICM MP CC ST Company Confidential 10 01 CUSTOMER SIEMENS Mobile T Lu Overview EGOLD 6 2 JANG 91023 gere 5 5 n S lt gt 85 15 E UN LU N oal a ueos 1 OVIir 1541 Joje npo N MSINO Iova Nada pueqeseg IVS ZHN Z XL pue SJ9 4 NISA peoueuu3 9eJ1 U leues O 3d LOXL dd 22 OLODOdSQ GNASL NILX3 X 1034 VIVOdH 0415 44 VHISJH 03007 44 0 dd 012099 6415 44 l ad 0I8L99 6415 44 Z ad NIZX3 vYLS4 O0L Gd Ol6L92 L d O0NIdSQ v1nO 1 r dd OIZL09 S1n
22. O L Z QOd Ol 200 81nO 1 9dd NIdVO ZLNO 1 NIFL 910O0 L OLNO_L LLNO_L 1nO 1 INIdSQ NILX3 OLLOO L NIEX3 9 NILL 610O L XTOWIVO HISWIVO VIVONIVO NOXIAIVO VING L INSO 1 2 110 L 20 0 2 29 91 NIOL 8 17091 MSOIOO 0 8d NIOX3 ane Ody 9 019020 9 010299 9 019199 vad S 8d SdM NISX3 94 9 21 2372 9 8 219 4 peeds eoejeju e 5epneju ped aM Pleo WIS 9 X ZLS Jenq wun LXOLLX82X 55 2 91 6 552002 4q 91 yz 9L X A8L NOY X 9L X JZ A n m d 9L X 187 sng 1dnueju 20 uondAi2u3 uonezi enb3 443 jeuueu 443 jeuueu jueujeJnsee v 443 u eeds 443 YH Y4 29205 Bujeau euin Jeudi cG LSV JojeJo ooov MH IQJ9yA sng dd pue X sjeuDis ajqeuz 91nj593lu 2JVv 0
23. OLD Logic 40SC L36145 F102 Y14 Z400 Quarz Quarz MP3 LARA 4OSL L36145 F260 Y13 Z500 Filter IF 360 RF 4IFF L36145 K280 Y 127 Z530 1LO RF 4VC1 L36145 G100 Y32 Z555 Filter RX PCN RF 4Fl1 L36145 K280 Y167 2556 Filter RX GSM RF 4FI3 L36145 K280 Y160 2570 4VCT L36145 G100 Y32 Z650 IC Power Amplifier 4PAM L36851 Z2002 A45 Z800 Quarz 13MHz RF 4 L36145 F220 Y4 V1 0 Page 4 of 43 ICM MP CC ST SL45 Company Confidential 10 01 SIEMENS Mobile CUSTOMER CARE SIEMENS 2 Required Equipment for Level 2 5e SL45 GSM Tester CMU200 or 44005 incl Options PC incl Monitor Keyboard and Mouse Bootadapter 2000 L36880 N9241 A200 Troubleshooting Frame P35 F30032 A82 A1 Power Supply Spectrum Analyser Advantest 3162 RF Probe incl Power Supply e g from Agilent Oscilloscope incl Probe RF Connector N lt gt SMA f Power Supply Cables Dongle F30032 P28 A1 BGA Soldering equipment VN VN N N NN NN Reference Equipment recommendation Level 2 5e 3 Required Software for Level 2 5e SL45 Windows NT Version4 Winsui version1 22 or higher Winswup Windows software for GSM Tester Cats or CMU GO Software for 13MHz adjustment Internet unblocking solution VVVVV WV V1 0 Page 5 of 43 ICM MP CC ST SL45 Company Confidential 10 01 4 Radio Part The radio part converts the base band signals supplied by the logic Notes EGOLD into RF signals with characteristics as per the GSM r
24. ansmitter Notes The SL45 mobile consists of two antenna switches a The mechanical antenna switch connector X675 for the differentiation between the internal and external antenna EXTERNE ANTENNE X675 500HM INTERNE ANTENNE AnLennenoad 1 XG6 76 R675 R674 from to diplexer b The electrical antenna switch Diplexer Z670 for the differentiation between the receiving and transmitting signals just like the differentiation between GSM900 GSM1800 To do so the Transistors V672 V673 are used to switch the diplexer input signals VC1 VC4 as required The required voltage VCC2 8 for D400 is provided by N630 V1 0 Page 11 of 43 ICM MP CC ST 5145 Company Confidential 10 01 from to Notes antenna to receiver X GsM900 J 1 2 GSM900 TX TX 5H 5 EX from PA E GSM1800 GSO nie vCC2 8 BCR35PN a UO ame TXONPCH 35 The matrix below shows the different conditions at the Diplexer and the accompanying signals ee C4 9 Q 9 Q 9 0 0 Page 12 of 43 Company Confidential V1 0 ICM MP CC ST 10 01 SL45 SIEMENS i 4 4 Receivers 4 4 1 Receiver GSM900 1800 Filter and LNA From the antenna switch up to the IF Mixer the GSM1800 receiver circuit Notes consists of a ceramic front end filter 2555 LNA
25. bile SIEMENS External Microphone Notes BH HIC LEFT Tem i 2 7 4 Loudspeaker internal Loudspeaker Earpiece is connected to the voiceband part of the EGOLD VOICEBAND C1 D2 via the mono audio amplifier inside the Schalke ASIC Also the ringing tones are generated with the loudspeaker Signal names EGOLD Schalke ASIC EPN1_FIL EPP1_FIL EPN1 FIL EPP1 FIL EPN2 EPP2 PA_RAMP CLKSXM Page 36 of 43 ICM MP CC ST Company Confidential 10 01 SIEMENS Mabile SIEMENS vH Signal names Schalke ASIC Speaker EPP1 EPN2 Notes 2 1 330k CHARGE REF EXE SENSE_IN 4 R254 71 SENSE N TBAT 33N Sm He HI aur ELE gom cuum Ln ee 330Re2 p RINGIN GND 2 C268 EPN1 2 T TOON 5 9 ik 25 a 3 0 2 FR AS CXOEN N N 2 C269 5 IL R251 11200 1200 2 04 _ oe aa 0250 GND m 25 c 330 339 e ON a SPEAKER 5 La as 13 nha X6330 i GNDGNDGND gt e Sh E N c2 gt lt GND The external Loudspeaker Headset is connected to the voiceband part of the EGOLD VOICEBAND D1 E2 EPN EPP2 via the Stereo D A converter analogue multiplexer inside
26. e 1 SER 1 sje 17 zz TENY 189 u LO 52 52 sel TA 17 es 17 am di TP132 AKKU TEMP b Measurement of the Battery Voltage The measurement of the battery voltage is done in the Q branch of the EGAIM For this BAT T is connected a voltage divider R113 R114 to the EGOLD GAIM N2 Input limitation 1 33V to 5 91V An analog multiplexer does the switching between the baseband signal processing and the voltage measurement i a V1 0 Page 29 of 43 ICM MP CC ST 5145 Company Confidential 10 01 SIEMENS Mobile CUSTOMER CARE SIEMENS a A D conversion of MIC Path signals incl coding The Microphone signals HF_MICRO MICN2 MICP MICN arrive atNote the voiceband part of the EGAIM For further operations the signals will be converted into digital information filtered coded and finally formed into the GMSK Signal by the internal GMSK Modulator This so generated signals QTX are given to the SMARI IC pins 9 12 in the transmitter path b D A conversion of EP Path signals incl decoding Arriving at the Baseband Part the demodulated signals RX l RX_IX RX Q RX QX will be filtered and A D converted In the voiceband part after decoding with help of the uC part and filtering the signals will be D A converted amplified and given as EPP1 EPN1 EPP2
27. ear 2 8V 3 5 Regler RF Synth 3 3201 32mA typ extern 100mA max 45 mA max The following restrictions must be observed e he phone cannot be operated without battery e he phone will be damaged if the battery is inserted the wrong way round the mechanics of the phone prevent the battery from being put in the wrong way round The electric system assumes that the battery as been inserted correct Page 19 of 43 ICM MP CC ST Company Confidential 10 01 SIEMENS 5 2 STV Schalke ASIC The power supply Schalke ASIC contains the following functions Control of switching the mobile phone via 1 The ON OFF Key Schalke ASIC F4 2 The bottom connector with the signal VDD CHARGE Schalke ASIC A4 3 The Real Time Clock Int Schalke ASIC F5 Watchdog monitoring 1 Control of switching off the mobile phone via WATCHDOG uP 2 Watchdog observation Switch off of mobile phone in the case of overvoltage at battery connection Generation of RESET signal for EGOLD Flash MMG ASIC and Display Generation of 2 90 V via linear controller Generation of 2 00 V via linear controller Generation of 2 65 V via linear controller Generation of 2 00 V via linear controller REG 1 REG 2 REG 3 LPREG P d LN Analog switches SIM Switch LIGHT Switch IRDA Switch VSPG Teiler Switch Battery charge support 1 Normal charging 2 Trickle charging if the battery voltage is below 3 2 V
28. ecommendation transmission which are radiated by the antenna Or the radio part converts the received GMSK signal supplied by the antenna into base band signals which can then be further processed by the logic EGOLD The radio part is designed for Dual Band operation and can therefore serve the frequency bands EGSM900 GSM1800 The radio part can never transmit and receive in both bands simultaneously However the monitor time slot can be selected independently of the frequency band Transmitter and receiver are of course never operated simultaneously The radio part consists of the following blocks Power supply RF Voltage regulators Synthesizer partly located in SMARTI Receiver partly located in SMARTI Transmitter Up conversion loop partly located in SMARTI Transmitter Power amplifier Antenna Switch 4 1 Power Supply RF Part Two voltage regulators N630 631 with a nominal output voltage of 2 8V are used to perform the required RF Voltages The voltage regulator N630 is activated via SLEEPQ provided by the EGOLD TDMA Timer H13 The voltage regulator N631 is activated via VCXOEN provided by the EGOLD Functional P7 The name of the voltages are a VCC SYN activated by VCXOEN and b VCC2 8 activated by SLEEPQ For both voltages BATT is required BATT LP2985IM5_2 8 638 mi 2_8 YOUT EN gt 51 e GAO 30 C I um COTES enc ce
29. he TXVCO is a so called two in one VCO this means the VCO module contains the GSM900 VCO and the GSM1800 VCO one housing The TXVCO is switched from GSM to PCN by using the signals GSM TX VCOENQ TX VCOENQ from the EGold TDMA Timer J13 K12 The required voltage VCC2 8 is provided by N630 The required voltage SYN is provided by N631 D X 1 LO Wy 1285 1361 MHz rd EN 202020240 S 1696 MHz X 424 MHz 880 915 MHz 1710 1785 2 424 MHz AN XU Phase _424mHz Q J CX a Detector Modulator ko 4 Mod Signal V1 0 Page 16 of 43 ICM MP CC ST 5145 Company Confidential 10 01 4 5 2 Transmitter Power Amplifier and Antenna Switch Splited by a discrete circuit into GSM900 low pass R651 L650 and GSM1800 Notes high pass R652 C651 the TXVCO output signal arrives at the power amplifier The dual band power amplifier module Z650 is assembled on a ceramic substrate in one housing The module amplifies the output signal of the TXVCO to the required PCL Controlled by the feedback circuit according to settings from the logic A part of the TX output signal is decoupled via a directional coupler realised by conductive tracks and is equalised at a detector diode V620 This so gained voltage is compared by an operation amplifier 600 with the RAMP signal provided by the EGold GAIM BASEBAND H2
30. i ei E gt gt NC 1 acy 2 DA rE TAE 7 gt GOAL C 22 T 21 11 217 4 1 110340 2 65 T e 4 49 As An SS Alo 2 afe I Bese Te z ND on T JD C eo ND GNE GND T GND SKE SL45 Company Confidential 10 01 9 2 Battery connector 320 329 AKKU Kontakt BATT4 AKKU 2 65V TP300 Thee X6320 A Ves A S L CL 15015 GND GND GND GND e 1 GND Akku Temp Temperature control of the battery pack POWER Battery voltage 9 3 Display connector LIGHT BATT R384 ORI 4 C389 4TON 4 7T gt m C398 1 N lt lt no ijo Connection Egold to Display Controller V1 0 Page 42 of 43 ICM MP CC ST SL45 Company Confidential 10 01 9 4 MMI connector 2 654 e B5V y 358 2 BAVS95 nach BL 1R IX BUFFER Function Names ILLUMINATION Light KEYBOARD KB9 ON OFF IrDA INTERACE RX IR TX BUFFER BATTERY VOLTAGE BATT V1 0 5145 Page 43 of 43 Company Confidential ICM MP CC ST 10 01
31. nnes 14 4 4 3 gig ee ee 15 4 5 Trais mie 16 4 5 1 Transmitter Modulator and Up conversion Loop 16 4 5 2 Transmitter Power Amplifier and Antenna 5 17 POWER SUPPLY E E EEA DE DEE 19 5 1 OAC CS ER 19 3 2 OV Shalke Moa 20 5 3 viduis ML SEE iT c 24 OGG 25 6 1 LO 25 6 2 Overview 6 BI p re M 26 6 3 Ue 28 6 4 Overview MMGASIC 31 6 5 LARAJ compone it 32 6 6 FLASHED ODO 33 6 7 Real time clock inside the EGOPL 33 6 8 gb e I 33 V1 0 Page 2 of 43 ICM MP CC ST 5145 Company Confidential 10 01 7 1 Egg T P 34 blc 34 7 3 eU 35 7 4 TD ICE T T IU 36 8 ILLUMINATION AND nni 39 8 1 DUT p
32. or data transfer to standard IrDa devices V1 0 Page 33 of 43 ICM MP CC ST SL45 Company Confidential 10 01 6 0 SIM SIM cards support of 1 8V cards V34B 1 7T Acoustics 7 1 General The Electro Acoustic components are 7 2 Vibra The Vibra is driven and controlled from the EGOLD Miscellaneous M6 via the signal Vibra ON KBO KB1 KB2 KB3 KB4 AKKU RT R8 P8 N8 M8 a Vibra b Microphone c Loudspeaker d Ringer 5003 zc c 2 65V eC Qe mH gt E gt LO LO jum Am 1 az a Em ZUB_DATA 21 0 21 Page 34 of 43 Company Confidential 2 Notes ICM MP CC ST 10 01 The vibrator is activated by the transistor V290 via the Signal Vibra on from Notes EGOLD Batt is required to provide the VIBRA The diode V292 is used to protect the circuit against over voltage and switching spikes VIBRATOR 290 299 XG290 gt VIBRA ON 7 3 Microphone Both Microphones are direct connected to the EGOLD Voiceband F1 F4 via the signals MICN1 MICP1 Internal Microphone MICN2 MICP2 External Microphone Headset Power supply for the Microphone is VMIC Voiceband E1 Internal Microphone 2307 2 2kee GND GN V1 0 Page 35 of 43 ICM MP CC ST SL45 Company Confidential 10 01 SIEMENS ITIa
33. r linked to the EGOLD Keybad R7 R8 P8 N8 M8 N9 R10 P10 N10 R11 KB keyboard line O to 5 are outputs KB 6 to 9 inputs To make a short cut from an output to an input line with the keypad the EGOLD registered with key is pressed tart Keypad T Sect ian Side keys L LE UH TT 55117 G gt KES KET EBA K8i Curser Curser oben Curser Curzer unten 1 2 gt 1 2 2 55113 90113 S115 gt V1 0 Page 40 of 43 SL45 Company Confidential Notes ICM MP CC ST 10 01 SIEMENS Mobile CUSTOM SIEMENS P 9 Connectors 91 connector Notes HS LEFT POWER Output left channel for stereo headset Charging Current Serial interface Serial interface ZUB CLK Clock line for accessory bus Use as DTC In data operation ZUB DATA I O Data line for accessory bus Use as CTS in data operation GND MIC ___ For external microphone MICP2 External microphone FBatt Power supply for the accessories E HS RIGHT Output right channel for stereo headset 2 LGND For external loudspeaker GHD gt 1 nn i 15 Vy ap A 5 p BP e 2292 204 2 4 1 i Ep es BY 1508 1 2 1 7 wren NL a e cue er 05
34. requency stability output Smarti D500 pin 20 To do so the 13MHz frequency is used as the reference signal for the PLL circuit The required voltage are VCC2 8 for D400 is provided by N630 VCC SYN for the VCO is provided by N631 The picture The picture The picture shows the VCO output signal shows Control voltage shows the programming signals for the PLL PLLON SYNSTRe Z SYGCDT x SYGCCIsx B CC2_8 GND EP I1 C514 O B MeVCC 8 PUPLOZ x vCC2 8 18P C532 5 1279 136 TMHZ BCR48PN 3 gt 2 gt 3 OUT CC VSu CTL 8 2 2 5 GND4 0 B B2 venden EE GND 2530 GND V5 30 R534 100P 537 GND SUL af ES lt gt 10 00 1403 CHANGE THE VALUE ERN Ed wr 209 ENS CARE 3 d V1 0 Page 8 of 43 ICM MP CC ST 5145 Company Confidential 10 01 4 2 3 Synthesizer LO2 The second local oscillator LO2 consists of the PLL part of the Smarti D400 Notes 2 internal VCO s 1440 MHz for RX Mode and 1696 MHz for TX Mode and an external filter C509 C510 R501
35. side the EGOLD This IC is the interface between digital and analogue signals EGAIM components 2 Sigma Delta A D converter for RX Battery 1 D A converter for the Power Ramping signal maa amp Temperature easurement 2 D A converter for GMSK TX Inphase und Quadratursignals SIEMENS Miabile CARE Notes vVDDr VS SIE IT ITX QT QTX VMIC MICHI 8 ha CH EPPT1 1 EPP ERM IR IR OR Ico BTEC TBAT VEAT BREF PAOUT VOD 201 1 Sigma Delta A D und D A converter for the voiceband part Page 28 of 43 Company Confidential ICM MP CC ST 10 01 a Measurement of Battery and Ambient Temperature The temperature is measured as a voltage equivalent of the temperature on the Notes voltage dividers R115 R116 R117 for the battery temperature and R118 R119 R120 for the ambient temperature from the EGAIM For this the integrated XA converter of the EGAIM of the base band branch is used This XA converter compares the voltage of TBAT internally with a reference voltage BREF Via an analog multiplexer either the base band signal or the TBAT signal and the TENV signal can be switched to the input of the converter The signal MEAS_ON from the EGOLD GSM TDMA TIMER G11 activates the measurement and is used to generate to BREF by the help of R121 R122 MEAS TP130 e
36. to ensure that the PA is working within the required PCL s The different amplifiers are selected on by the PCN TX VXCOENOQ signal from the EGold TDMA Timer K12 The power amplifier is feeded directly from the battery After amplification the signal passes on the way to the antenna the diplexer 7670 and antenna connector X675 The required voltage BAT I is provided by the battery The required voltage VCC2 8SW is provided by transistor V600 VCC2 8SW PA RAMP _ gt Batt FN di T EM X We ES 4 oO 2 to CS S Pi diplexer is SNC PR TXVCO_OUT PF08112B V1 0 Page 17 of 43 ICM MP CC ST SL45 Company Confidential 10 01 c xu E oar cae ca ae al 01 6 8 L 8 E 2 0 b E 480 LOJE 1791 S BeP 9LN Sl EE L8 D08E D 08202 V Jy O s 138 H c OILYN3H2S O 95 98191184525 Li geag 12 anen 9

Siemens SL45 Service Manual V1.0

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