Panasonic EB-GD67 Service Manual Download

Page: 1 / 60

Issue 1
Revision 0

© 2002 Matsushita Mobile Communications
Development of Europe Ltd. All rights reserved.
Unauthorized copying and distribution is a violation
of law.

Order Number: MMCD020801C8

Digital Cellular Phone

EB-GD67

Talk and standby time will be dependent on network conditions, SIM card, backlight usage
and network condition.

900 MHz

1800 MHz

Frequency Range

Tx: 880 - 915MHz

Tx: 1710 -1785 MHz

Rx: 925 - 960 MHz

Rx: 1805 -1880 MHz

Tx/Rx frequency
separation

45 MHz

95 MHz

RF Channel Bandwidth

200 kHz

Number of RF channels

174

374

Speech coding

Full rate/Half rate/Enhanced Full rate

Operating temperature

-10 °C to +55 °C

Type

Class 4 Handheld

Class 1 Handheld

RF Output Power

2 W maximum

1 W maximum

Modulation

GMSK (BT = 0.3)

Connection

8 ch / TDMA

Voice digitizing

13 kbps RPE-LTP / 13 kps ACLEP / 5.6 kps CELP / VSLEP

Transmission speed

270.833 kbps

Signal Reception

Direct conversion

Antenna Impedance

Ω

(External Connector)

Antenna VSWR

< 2.1 : 1

Dimensions

Height: 109 mm
Width: 45 mm
Depth: 20 mm

Volume

81 cc

Weight

81 g

Display

Graphical chip on glass liquid crystal, Alphanumeric,
101 x 80 pixels, 256-colour palette (RGB).

Illumination

8 LEDs for Keypad Backlighting (Green)
1 LED for LCD Backklighting (White)
2 LEDs for Incoming call (Green) and Charging (Red)

Keys

16-key Keypad, Navigation key.

SIM

3 V Plug-in type only

External DC Supply
Voltage

5.8 V

Battery

3.7 V nominal, 690mAh, Li-Ion

Standby Time

60 - 190 hrs

Talk Time

1.5 - 6.5 hrs

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not

contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or

repair the product or products dealt with in this service manual by anyone else could result in serious injury or death.

Summary of Contents for EB-GD67

Page 1: ...ion Antenna Impedance 50 Ω External Connector Antenna VSWR 2 1 1 Dimensions Height 109 mm Width 45 mm Depth 20 mm Volume 81 cc Weight 81 g Display Graphical chip on glass liquid crystal Alphanumeric 101 x 80 pixels 256 colour palette RGB Illumination 8 LEDs for Keypad Backlighting Green 1 LED for LCD Backklighting White 2 LEDs for Incoming call Green and Charging Red Keys 16 key Keypad Navigation ...

Page 2: ...pose of this Manual 1 1 2 Structure of the Manual 1 1 3 Servicing Responsibilities 1 2 GENERAL DESCRIPTION 2 2 1 General 2 2 2 Features 2 2 3 Telephone Handset Main Kit 2 3 OPERATING INSTRUCTIONS 3 3 1 General 3 3 2 Liquid Crystal Display 3 3 3 Location of Controls 4 3 4 Concept of Operation 5 3 5 Alpha Entry 5 3 6 Features Menu Structure 6 4 TECHNICAL DESCRIPTION 7 4 1 RF Overview 7 4 2 Transmitt...

Page 3: ... for the ordering of spare replacement parts 1 3 Servicing Responsibilities The procedures described in this manual must be performed by qualified service engineering personnel at an authorised service centre The service engineering personnel are responsible for fault diagnosis and repair of all equipment described in this manual WARNING The equipment described in this manual contains polarised ca...

Page 4: ...ll Rate Half rate and Enhanced Full Rate EFR speech codec Dual Band E GSM 900 and GSM 1800 operation GPRS compatible Class 8 256 colour Liquid Crystal Display Enhanced Message Service EMS Tegic T9 Text Entry Voice Ringer Wireless Application Protocol WAP Browser Backup Battery 16 voice polyphonic ringtones Downloadable polyphonic melody ring tones Clock Calculator and Currency Converter Changeable...

Page 5: ...g The battery icon scrolls during charging Menu Icon Displays a small icon related to the current status of the telephone telephone is roaming on a non home network using the Call Divert feature or the telephone has Call Divert set shows that vibration alert is switched on shows that the telephone is in silent mode flashes to indicate that there are unread text SMS messages Lit when SMS area is fu...

Page 6: ... to the previous menu level In some menus it has other functions Option key Primarily used for accessing the Phonebook or switching character types Send Key Makes a call End Key Ends a call or switches the telephone on off when pressed and held to Digit keys Enter wild numbers or pauses when pressed and held Where appropriate the key scrolls up or down through abbreviated control names and then se...

Page 7: ...the Phonebook Short Messages and Greeting Message areas Each time a key is pressed it will display the next character When another key is pressed or no key is pressed for a short time the cursor will move to the next position To cycle between Greek characters extended characters W numerals X and normal characters U press Key Character Operation T9 Normal Greek Extended Numeric Alternatives 0 P_ Pu...

Page 8: ...l Priority Bar Voice Bar Fax Bar Data Cancel All Status Password Feature is SIM Network dependent Inbox Outbox Create Chat SMS Parameters Recipient Group Auto Delete Message Centre 6 Messages Clock Set Clock Format Alarm Set Power On Time Power Off Time Games Voice Memo Download Melody Clock Function Calculator Currency Download Data Home Second Time Set Summer Time Time Difference Summer Time Aut...

Page 9: ...rcuits occupying the lower half of the PCB The RF circuit area is shielded by two metal screens and the Logic circuits area by one screen The LCD Module and keypad are mounted on the reverse side of the PCB Tx Rx E GSM 900 880 915 MHz 925 960 MHz GSM 1800 1710 1785 MHz 1805 1880 MHz E GSM 900 GSM 1800 Rx Bandwidth 35 MHz 75 MHz Tx Bandwidth 35 MHz 75 MHz Duplex Spacing 45 MHz 95 MHz Number of Chan...

Page 10: ...o provide extra filtering against transmitter noise in the receiver band The selected transmitter band EGSM 900 or GSM 1800 output signal from U205 is then attenuated and applied to its dedicated input of the dual band Power Amplifier PA U203 Filtering of the transmitter harmonics most of which are from the PA is provided by couplers E100 EGSM 900 and E101 GSM 1800 The output from the couplers is ...

Page 11: ...nal is passed through a 1 pole blocking filter comprising two external capacitors and a channel filter These filters provide some attenuation to adjacent channel signals at the receiver input e g 200 kHz 400 kHz and 600 kHz These filters are designed to give low group delay ripple typically 1µs maximum over the temperature range specified for U200 across the GSMK modulation baseband 80 kHz at base...

Page 12: ...of the chips means that each contain a large number of functions CALYPSO is a signal processing device with DSP and CPU The DSP performs channel and speech encoder decoder tasks together with equalisation and encryption The CPU runs layer 1 2 and 3 software controls the MMI SIM and system interfaces real time clock and battery and power management CALYPSO also controls IOTA IOTA provides frame tim...

Page 13: ...ey bounce the key press is confirmed twice at approximately 20 ms intervals Figure 4 4 Keypad Connections As the End Key doubles for the ON OFF key it is allocated an entire row of the keyboard scan Keyboard scanning is controlled by software Key pressed is indicated by an interrupt but key released is monitored by software 4 4 3 Subscriber Identity Module SIM The SIM interface is designed to supp...

Page 14: ... the CALYPSO u wire interface and an I O line which distinguishes between command or data To send data or a command to the display driver the nSCS0 line is used for chip select LCD_CD I 03 is set high to send data and set low to send commands TPU Timing output signal assignments of CALYPSO Name Ball No Function Connection Configuration TSPACT 0 M12 PAON External Used for triggering Measuring Equip...

Page 15: ...lock signal from the CALYPSO clock module A combination of pre scaler and timer register gives a time range of 1 078 µs to 9 039 s The general purpose timers receive a 812 5 kHz clock signal 4 4 9 UART CALYPSO has two UART ports UART modem and UART IrDA The UART modem port is used for optional accessories The UART IrDA port is used for data connection software debugging factory testing and softwar...

Page 16: ...ses a single Lithium Ion Li Ion cell with a nominal voltage of 3 7 V and 690 mAh capacity This type of battery has an advantage in weight and size over Nickel Metal Hydride NiMH cells EXTPWR nACC SENSE I O CN780 ACC PWR VBAT BAT TEMP MAIN BATTERY U620 IOTA VRBB VRMEM VRIO VRABB A28V VRRAM VR VR VR VR VR D18V D28V D28VB D28VR VRRTC VRTC VRSIM VSDD MICBIAS Q781 U600 CALYPSO CN720 SIM U751 MELODY GEN...

Page 17: ...atchdog timer to allow CALYPSO to shutdown 3 ONNOFF signal is reset to deactivate CALYPSO 4 All regulators VRDBB VRMEM VRRAM VRIO VRABB VRRAM are disabled 5 IOTA internal band gap reference is deactivated 4 5 4 Power Source Detection Failure The SIM card contains EEPROM If the power fails i e battery removal while the SIM is active the SIM may corrupt its memory as the supply voltage drops out of ...

Page 18: ... and RTC module Supplies power for the CALYPSO 32 kHz oscillator and RTC module Selectable from 1 18 V 1 4 V and 1 8 V It is supplied from UPR to enable it to be maintained from the backup cell when the main battery is removed 4 5 6 Regulator Sleep Function To reduce power consumption in the analogue section of the baseband chipset the voltage regulators can be placed in a low power mode or disabl...

Page 19: ...n the phone LED indication will be provided to the user even though the handset is not active After the software controlled charging algorithm starts the LED will be extinguished when charging is complete Depending on the trickle charge current approximately 46 mA when Vbat is 2 5 V the time to reach fast charge state is less than 16 minutes Over Voltage Protection As the accessory connector CN780...

Page 20: ...he following table Inputs Pin No Outputs Peripherals DATA_MODE0 4 nACC_SENSE 5 EXT_PWR 13 ACC_PWR 9 High High Low Low none High High High Low AC Adaptor DC Adaptor High Low Low High Factory Test Jig High Low High Low H F Data cable Low Low Low High Not used H F Car Kit Low High Low High Charging Data cable Low High High High Charging Data cable AC DC Adaptor Low Low Low High GD95 Data Cable Low Lo...

Page 21: ...a 1M2 resistor usually built into the lead to a common ground point Wrist Strap A quick release skin contact device with a flexible cord which has an integral safety resistor of between 5k2 and 1M2 shall be used Containers All containers and storage must be of the conductive type WARNING The equipment described in this manual contains polarised capacitors utilising liquid electrolyte These devices...

Page 22: ...he Battery Hook in the direction indicated by the arrow 4 Lift out the Battery 5 Set the I O Cover into the open position i e at right angles to the phone Unclip the Cover from the phone 6 Align the two prongs of the Clip Removal Tool with the two recesses above the I O Connector 7 Slide the prongs under the retaining spring and lift the spring clear of its seating 8 Separate the case and cover us...

Page 23: ... C 10 Continue by releasing tags A B C on the opposite side of the phone before separating the case and cover at tab D 11 Apply outward pressure to the two lugs marked A and B to release the PCB from the case 1 Gently prise apart the two ears of the metal snap marked A and B in the diagram so that it is released from the PCB 10590 1 A B C A B C D 10591 1 A B 10592 1 A B ...

Page 24: ... peeled away from the case front 2 Remove the microphone assembly by prising upward with a small pair of tweezers or similar blunt object through the slot in the side of the microphone holder 3 Lift one of the ears on the speaker receiver to remove the assembly from the case 4 The Vibrate motor may be lifted from the case by gently applying pressure under the spindle counterweight 10593 1 10603 1 ...

Page 25: ...e Ensure that all springs and hooks are in position inside the Case Back If the metal SAR spring inside the Front Cover is damaged the complete Cover Assembly must be replaced On completion of reassembly the handset must be re calibrated as detailed in Section 8 5 Apply pressure to lugs A and B in direction shown to release the antenna from the case Using the Clip Removal Tool as shown position th...

Page 26: ...he 4 8 V switch setting is used for testing the complete unit 2 Interface Box IFB004 is a later version that provides 4 8 V 7 2V and 8 2 V DC outputs It also allows selection of external power via the Interface cable 3 RS 232 interface Ensures that the Unit Under Test is supplied with the correct signal levels and format Section 6 2 Lead Free PbF solder Identification and repair of PCBs using Pbf ...

Page 27: ...air Jig A cable with an N Type male connector and SMA female connector will be required to make the RF connection between the Repair Jig and service equipment A replacement RF Probe for the Repair Jig is available as a spares item GSM Tester This unit acts as a base station providing all the necessary GSM signalling requirements and also provides GSM signal measuring facilities Caution The power c...

Page 28: ... Figure 6 3 Dummy Battery Channel Box Software This is the test software for the telephone unit and should be installed onto the personal computer to be used for testing Clip Removal Tool Part No JT00085 The Clip Removal Tool is used to facilitate the removal and refitting of the spring clip which holds the cover and case assemblies together Figure 6 4 Clip Removal Tool Case Separation Tool Part N...

Page 29: ...tion 6 GSM test station 7 Panasonic Channel Box software for Microsoft Windows The Channel Box software should be installed onto the main drive of the personal computer The RF cable is connected to the GSM test station via a suitable adaptor The 12 V supply is connected to the rear socket of the Interface box 6 4 2 Using the Channel Box software 1 Connect the PCB and test equipment as shown in Fig...

Page 30: ...button on the main screen In the pop up window select GD67 from the list box and click on the OK button 6 Click on the HANDSET POWER button and within one second switch on the handset using the key 7 Check that the handset is powered up LCD is backlit and all LEDs are on The Channel Box should also display handset IMEI number and Firmware version information in the left hand column of the screen A...

Page 31: ...o Path Control PAON L On un mute Hi Z Off mute PA control signal for test trigger L off H 2 8 V on 7 SERIAL_UP Upward serial 9600 bps SMS cable 33 8 kbps Data adaptor I F Card up to 38 4 kbps Soft Modem cable 115 2 kbps Test Command 8 SERIAL_DN Downward serial Baud rate is the same as SERIAL UP 9 ACC_PWR Peripheral power supply on less than 50 mA 10 DTR RS232C Data Terminal Ready DATA_MODE1 Data A...

Page 32: ...KLIGHT LED2 CATHODE Q732 4 4 VDD POWER SOURCE FOR LCD MODULE D28V 5 GROUND GND 6 nRESET RESET SIGNAL CALYPSO N2 7 nCS CD LCD CHIP SELECT SIGNAL CALYPSO D3 CALYPSO nCS3 8 LCD RS LCD DATA COMMAND SELECT CALYPSO M4 CALYPSO IO3 9 RnW LCD WRITE U730 4 RnW or WAIT 10 D 0 DATA BUS BIT 0 CALYPSO B7 11 D 1 DATA BUS BIT 1 CALYPSO D7 12 D 2 DATA BUS BIT 2 CALYPSO E7 13 D 3 DATA BUS BIT 3 CALYPSO D6 14 D 4 DA...

Page 33: ...M Connection Details 7 1 4 Battery Connector Figure 7 4 Battery Connection Details 1 2 3 5 6 7 CN720 SIM CONNECTOR I O CONN SIM CARD 10573 1 PIN 1 2 3 4 5 6 7 8 SIGNAL SIMPWR 3W SIM_RST SIM_CLK Not connected GROUND Not connected SIM I O Not connected 1 2 3 BATTERY COMPARTMENT 10574 1 1 2 3 VBAT BAT TEMP GROUND PIN SIGNAL ...

Page 34: ...MP VBAT GROUND nPHF DET PHF MICROPHONE PHF EARPIECE VIBRATE MOTOR VIB C SIM IO SIM RST SIM CLK KBR 0 KBR 1 KBR 2 KBR 3 KBR 4 KBC 0 KBC 1 KBC 2 KBC 3 KBC 4 LED SUPPLY 4 5 V BACKLIGHT LED Q732 4 BACKLIGHT LED Q732 4 SPEAKER VO2 SPEAKER VO1 MICROPHONE MICIP MICROPHONE MICIN EXTPWR nAUDIO ON PAON DATA MODE0 VBAT IN nACC SENSE SERIAL UP SERIAL DN ACC PWR DTR DATA MODE1 RTS CTS Grid B2 B1 C2 C1 D1 C1 D1...

Page 35: ... TIME THEY MUST BE REPLACED BY NEW ITEMS ONCE REMOVED THE SHIELDS MUST NOT BE REUSED Battery calibration includes checks on voltage temperature and charging These procedures are described in Section 8 4 Adjustment data selected during calibration is stored in Flash ROM 8 2 Carrier Power Calibration 8 2 1 General Information Tx Calibration can be performed manually or automatically Automatic Calibr...

Page 36: ...PL Output Power dBm Nominal Target Min Max 5 31 75 31 5 32 0 6 30 5 30 0 30 8 7 28 9 28 4 29 4 8 27 26 5 27 5 9 25 24 5 25 5 10 23 22 5 23 5 11 21 20 5 21 5 12 19 18 5 19 5 13 17 16 5 17 5 14 15 14 5 15 5 15 13 12 5 13 5 16 11 10 5 11 5 17 9 8 5 9 5 18 7 6 5 7 5 19 5 4 5 5 5 Power Level PL Output Power dBm Nominal Target Min Max 0 28 75 28 5 29 0 1 27 4 26 9 27 9 2 25 8 25 3 26 3 3 24 23 5 24 5 4 ...

Page 37: ...uld be displayed 5 To start automatic calibration click the FULL AUTO CAL button 6 Once the automatic calibration has finished click on the FULL AUTO VERIFY button to verify the calibration 7 When finished click on the EXIT button to save data to the handset A confirmation message will be displayed on the handset LCD NOTE To ensure that the telephone operates within set SAR margins Panasonic recom...

Page 38: ...cking on the arrows to increase or decrease the DAC value by typing in the value directly into the DAC value text box or moving the ADJUST POWER slider by dragging with the PC mouse If required check the VOICE AID box for aural confirmation of the expected power meter reading The Voice Aid is played back through a sound card if one is fitted to the PC Note that if other media programs are running ...

Page 39: ...lick on the EXIT button to accept the current setting 5 If required check the VOICE AID box for aural confirmation of the expected power meter reading The Voice Aid is played back through a sound card if one is fitted to the PC Note that if other media programs are running e g Winamp an error message may be returned 6 Click on the NEXT VER button and repeat steps 3 and 4 When the calibration progr...

Page 40: ... when finished 8 4 Battery Calibration 8 4 1 Preliminaries There are two procedures associated with battery calibration battery temperature and battery voltage A dummy battery as listed in Section 6 3 2 is required to perform these checks 1 Connect the dummy battery telephone and PC as shown in the diagram below Figure 8 1 Battery calibration test connections 10620 1 ON OFF 3k9 0 27k 0Ω 82Ω ...

Page 41: ...ration 8 4 2 Temperature Calibration 1 Ensure that VBAT is set to 4 1 V 2 Carry out the instructions described in the main dialogue window 3 If at any time the message Temperature Cal failed the calibration procedure has failed Check all test equipment connections and that the correct resistor has been selected before suspecting a problem with the handset Further information may be displayed in th...

Page 42: ...hen prompted measure the dummy battery voltage by connecting a voltmeter to the terminals on the top of the dummy battery 4 If at any time the message Charging Cal failed the calibration procedure has failed Check all test equipment connections and that the correct resistor has been selected before suspecting a problem with the handset Further information may be displayed in the dialogue window 5 ...

Page 43: ...D67 CASE BLUE SERVICE comprising M106 LCD CUSHION M108 BATTERY HOOK GD67 M120 CASE COVER CLIP GD67 M121 GD30 BATTERY SPRING M122 SPRING IO COVER LH GD67 M123 SPRING IO COVER RH GD67 M124 PIVOT PIN LH GD67 M125 PIVOT PIN RH GD67 M126 SIM EJECTOR GD67 M129 SPRING IO COVER RELEASE GD67 M130 SPRING IO COVER RELEASE GD67 M103 2EE001AABA LCD PANEL GD67 BLUE M104 6TE001AAAA KEYPAD GD67 BLUE M104 6TE001AA...

Page 44: ...JS76006A CONNECTOR SIM GD95 009 PY76074A CONNECTOR BATTERY 3 PIN 012 K1QZA1AD0012 CONNECTOR RF COAX 013 ML 421ST ZT BATTERY BUTTON CELL 014 JX76004B HOLDER FOR BACK UP BATTERY M111 4JE001A RF SHIELD 1 LID GD67 M112 4JE002A RF SHIELD 2 LID GD67 M113 4JE003A BASEBAND SHIELD LID GD67 10575 1 SIDE B SIDE A PART 003 013 014 M113 008 012 M111 009 M112 Ref No Part No Part Name Description D GD67BRD001A P...

Page 45: ...CAP CER 2 2uF 10 6 3V X7R D3 C287 F1J0J225A002 CAP CER 2 2uF 10 6 3V X7R D3 C288 ECJ1VB1H102K CAP CER 1nF 10 E3 C289 F1H1A1050026 CAP CER 1uF 10 10V D3 C290 ECJ0EC1H330J CAP CER 33pF 5 50V NP0 D3 C291 ECJ0EC1H330J CAP CER 33pF 5 50V NP0 D3 C292 ECJ0EC1H330J CAP CER 33pF 5 50V NP0 D3 C295 ECUE1H010CCQ CAP CER 1pF 0 25pF 50V NP0 D4 C296 ECJ0EC1H330J CAP CER 33pF 5 50V NP0 D3 C297 ECJ0EC1H100D CAP CE...

Page 46: ... ELJRF6N8JF2 INDUCTOR 6 8nH 5 D4 L216 G1C1R0JA0021 INDUCTOR 1uH 5 D3 L219 ELJRF56NJF2 INDUCTOR 56nH 5 D4 L221 EXCML16A270U SUPPRESSOR EMI 27 OHM 4A E4 Ref No Part No Part Name Description Grid L223 ELJRF4N7DF2 INDUCTOR 4 7nH 0 3nH E4 L226 ELJRF12NJF2 INDUCTOR 12nH 5 D4 L227 ELJRF3N9JF2 INDUCTOR 3 9nH 5 E4 L228 ELJRF10NJF2 INDUCTOR 10nH 5 E3 L230 ELJRF3N9DF2 INDUCTOR 3 9nH 0 3nH E3 L233 ELJRF39NJF2...

Page 47: ...1A B4 R752 ERJ2GEJ332X RES 3 3K OHM 5 1 16W B4 R755 ERJ2GEJ272X RES 2 7K OHM 5 1 16W B4 R756 ERJ2GEJ272X RES 2 7K OHM 5 1 16W B4 R757 ERJ2GEJ332X RES 3 3K OHM 5 1 16W B4 R758 ERJ2GEJ104X RES 100K OHM 5 1 16W B4 R760 ERJ2GEJ331X RES 330 OHM 5 1 16W C4 R761 ERJ2GEJ152X RES 1 5K OHM 5 1 16W C4 R762 ERJ2GEJ152X RES 1 5K OHM 5 1 16W C4 R763 ERJ2GEJ331X RES 330 OHM 5 1 16W C4 R764 ERJ2GE0R00X RES JUMPER...

Page 48: ...67DPK07 SLOVAK GD67DPK08 FRENCH GD67DPK09 GERMAN EU WARRANTY GD67DPK10 ENGLISH PUK GD67DPK11 ENGLISH EU WARRANTY GD67DPK12 ENGLISH GD67DPK13 FINNISH EU WARRANTY GD67DPK15 FRENCH EU WARRANTY GD67DPK16 GERMAN EU WARRANTY GD67DPK17 GREEK EU WARRANTY GD67DPK18 HUNGARIAN GD67DPK19 ITALIAN EU WARRANTY GD67DPK20 NORWEGIAN EU WARRANTY GD67DPK21 POLISH GD67DPK22 PORTUGUESE EU WARRANTY GD67DPK23 RUSSIAN GD6...

Page 49: ...CIRCUIT DIAGRAMS MMCD020801C8 Section 10 Issue 1 Service Manual 47 Revision 0 10 CIRCUIT DIAGRAMS Figure 10 1 Circuit Diagram RF A4 A4 ...

Page 50: ...CIRCUIT DIAGRAMS Issue 1 Section 10 MMCD020801C8 Revision 0 48 Service Manual Figure 10 2 Circuit Diagram Baseband U600 U600 A4 A4 ...

Page 51: ...CIRCUIT DIAGRAMS MMCD020801C8 Section 10 Issue 1 Service Manual 49 Revision 0 Figure 10 3 Circuit Diagram I O Interface and Melody Generator ...

Page 52: ...CIRCUIT DIAGRAMS Issue 1 Section 10 MMCD020801C8 Revision 0 50 Service Manual Figure 10 4 Circuit Diagram Audio Interfaces ...

Page 53: ...CIRCUIT DIAGRAMS MMCD020801C8 Section 10 Issue 1 Service Manual 51 Revision 0 Figure 10 5 Circuit Diagram Peripherals 1 of 2 ...

Page 54: ...CIRCUIT DIAGRAMS Issue 1 Section 10 MMCD020801C8 Revision 0 52 Service Manual Figure 10 6 Circuit Diagram Peripherals 2 of 2 ...

Page 55: ...LAYOUT DIAGRAMS MMCD020801C8 Section 10 Issue 1 Service Manual 53 Revision 0 11 LAYOUT DIAGRAMS Figure 11 1 PCB Layout Side A A B C D E 1 2 ...

Page 56: ...LAYOUT DIAGRAMS Issue 1 Section 10 MMCD020801C8 Revision 0 54 Service Manual Figure 11 2 PCB Layout Side B A B C D E 3 4 ...

Page 57: ...MMCD020801C8 Section 10 Service Manual 47 10 CIRCUIT DIAGRAMS Figure 10 1 Circuit Diagram A4 A4 ...

Page 58: ...CIRCUIT DIAGRAMS Section 10 Issue 1 47 Revision 0 gure 10 1 Circuit Diagram RF A4 A4 ...

Page 59: ...CIRCUIT DIAGRAMS Issue 1 Section 10 Revision 0 48 Figure 10 2 Circuit Diagram Base U600 U600 A4 A4 ...

Page 60: ...Section 10 MMCD020801C8 48 Service Manual 0 2 Circuit Diagram Baseband A4 A4 ...

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