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Motorola E685 Service Manual
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Motorola E685 Service Manual

Motorola E685 Service Manual

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C DMA 8 00MHz
Motorola E685 Service Manual
The World's Leading Cellular
Telephone Manufacturer
1

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Summary of Contents for Motorola E685

  • Page 1 C DMA 8 00MHz Motorola E685 Service Manual The World’s Leading Cellular Telephone Manufacturer...
  • Page 2 Contact your regional customer Support Manager for details. Service Motorola’s regional Cellular Subscriber Service Centers offer some of the finest repair capabilities available to Motorola Subscriber equipment users. The Cellular Subscriber Service Centers are able to perform computerized adjustments and repair most defective transceivers and boards.

  • Page 3: Exposure To Radio Frequency Signals

    General Safely Information Exposure to Radio Frequency Signals You wireless handheld portable telephone is a low power radio transmitter and receiver. When it is ON, it receives and also sends out radio frequency (RF) signals . ・ International Commission on Non-Ionizing Radiation Protection (ICNIRP) 1996 ・...
  • Page 4 CAUTION ! All batteries can cause property damage, injury or burns if a conductive material, such as jewelry, keys or beaded chains, touches exposed terminals. The material may complete an electrical circuit and become quite hot. To protect against such unwanted current drain, exercise car in handing and charged battery, particularly when placing it inside your pocket, purse or other container with metal objects.
  • Page 5 interference. Electronic Devices - Should turn the phone OFF immediately if you have any reason to suspect that interference is taking place. ■ Hearing Aids Some digital wireless phones may interfere with some hearing aids. In the event of such interference, you may want to consult your hearing aid manufacture to discuss alternatives.
  • Page 6 ■ Potentially Explosive Atmospheres Turn your phone off when in any area with a potentially explosive atmosphere, and obey all signs and instruction. Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death. Areas with a potentially explosive atmosphere are often, but not always, clearly marked.
  • Page 7 Service Guide ■ Adjust the cellular phone in the shield box or shield room shielded from the ambient spurious/noise for a precise adjustment. ■ Note that magnetism of the magnetic tools may cause malfunction of the mai parts(lcs) of the cellular phone. ■...

  • Page 8: Cellular System Overview

    Description Cellular System Overview NOTE The following description is intended only as a preliminary general introduction to cellular systems. This description is greatly simplified and does not illustrate the full operation capabilities, techniques, or technology involved in cellular systems.

  • Page 9: Overall Concept

    Overall Concept Cellular systems are used to provide radiotelephone service in the frequency range of 826 – 891 MHz. A cellular system provides higher call handling capacity and system availability than would be possible with conventional radiotelephone systems that require total system area coverage on every operating channel.
  • Page 10 Some of the CDMA benefits are: ■ Improved call quality with better and more consistent sound. ■ Enhanced privacy. ■ Variable rate vocoder. · · CELL B CELL D · · CELL A CELL C · · · · · ·...
  • Page 11 Operation In Figure1: “Hypothetical Cell System”the area bounded by bold lines represents the total coverage area of a cellular system. This area is divided into several cells, each containing a cell site base station which interfaces radiotelephone subscribers to the switching system. Since there are no channels in CDMA, a user has a better chance of completing a call.
  • Page 12 that cell . Since this radiotelephone is dual mode, the radiotelephone can operate in either a CDM system or Analog system.
  • Page 13 Total Customer Satisfaction and over sixty-five years of experience in personal communications mean you can depend upon the quality of this Motorola product. Motorola Digital Cellular Phone is a super-compact, super-light type of the mobile communication terminal devices. It is a cellular communication device that employs the Code Division Multiple Access (CDMA) technology with spectrum efficiency, economy, price competitiveness and high portability.

  • Page 14: Major Characteristics

    ■ Channel separation: 0.03 MHz 1-2. Major characteristics - Slim, Compact Mini Slider Type design - Ear Micro Phone function - Received message storing/editing/forwarding/reply function - Phone book search/selection function upon transmitting SMS - 260K Colors (128x160 Pixels) TFT LCD - Soft Key mode - Excellent Call sensitivity - 64 Poly MIDI melody, ringer function...
  • Page 15 1-4. Frequency allocation of cellular mobile communication Sending frequency band: 824.025 MHz ~ 848.985 MHz Receiving frequency band: 869.025 MHz ~ 893.985 MHz Channel interval: 1.23 MHz Sending/receiving frequency interval: 45 MHz Cellular MS transmitting/receiving frequency MS Tx/Rx Frequency Tx center Rx center Tx center Rx center...
  • Page 16 1-5. Product specifications The E628 Digital Cellular Phone complies with the following technical specifications. Name of equipment E685 Mode CDMA Working Frequency Range Tx: 824.64~848.37MHz, Rx: 869.64~893.37MHz Duplex Frequency Separation 45MHz Modulation Offset QPSK Chip Rate 1.2288Mbps RF Bandwidth per Carrier 1.23MHz...
  • Page 17 -43dBm at ±900KHz & Two Tone ±1700KHz...
  • Page 18 Chapter 2. Name of Each Part and Configuration 2-1. Name of Each Receiver Volume Button Main LCD Camera Button MENU KEY My Menu KEY MP3 KEY Alarm KEY SEND KEY END KEY Clear KEY Navigation KEY Dial KEY Etiquette One- Lock One-Touch KEY Touch Key Wireless Data...

  • Page 19: Battery Pack

    - HOUSING FRONT - HOUSING REAR - HOUSING FLIP FRONT - HOUSING FLIP REAR - SMD PCB FLIP - FPCB HANDSET E685 - ESCUTCHEON DISTRIBUTER - SUA-DOME SWITCH - SPRING-LOCKER - KEY-VOLUME - KEY-TELEPHONE - LOGO-FLIP - CAP AUDIO JACK...
  • Page 20 2-3. LCD Panel [Main Display Screen] Current signal strength this indicated by the number of lines shown. Indicates current calling status. This icon appears when a call is in process. Phone Lock setting activated. Disappearing when it is inactivated. Text or Voice message received. It disappears when you retrieve new message. Alarm setting activated.

  • Page 21: Circuit Description

    Chapter 3. Circuit Description 3-1. Controller ( LOGIC PART ) 1. Oper ation scheme After applying the Battery power (+3.5-4.2V), push the END KEY (POWER KEY), As the high stage is applied to the PWRKEY PIN of AN32201A (IC404), It makes the internal power supply turns on, the power which is generated by the internal Power supply turns on, apply to the MSM6100 CORE (1.867V), MSM6100 PAD and Memory (SDRAM, NAND FLASH).
  • Page 22 ① Microprocessor (ARM926EJ-S) Subsystem The ARM926EJ-S embedded microprocessor supports some features such as : 16KB Instruction and 16KB Data cache, ARM v5TEJ instructions set, Higher performance 5 stage pipeline, Harvard cached architecture. The MSM6100 is designed to dual memory buses separating the memory subsystem from low-speed peripherals such as LCD panels.
  • Page 23 ▶ Receive part The MSM6100 directly controls the RFR6120-1 chipset using the SBI bus and clock of the TCXO using TRK_LO_ADJ. ⑤ UART INTERFACE The MSM6100 provides the UART channel that was conformed by RS-232 interface protocol. The UART can be used as a serial data port in Mobile Station to test and debug whether the system is written properly, or make it possible user-defined download program.

  • Page 24: Power Management

    16bit parallel data. Camera is VGA CMOS and operates low power mode. It is controlled by I2C protocol of MSM6100 IC (IC201). The image, which captured by camera, sends to MSM6100 using 8bit YCbCr Data and then displayed to the LCD. It is possible to give body to encoder/decoder function using JPEG format 6 .
  • Page 25 3-3. Tx Part 1. RFT 6120 (IC101) The RFT6120 cellular-only Baseband-to-RF transmit processor performs all transmit(Tx) signal processing function required between digital baseband and the power amplifier(PA) for cdma2000, IS-95A/B CDMA Cellular and TSB-74 single-band applications. The RFT6120 use Qualcomm’s Zero-IF transmitter signal path, from analog baseband to RF driver amplifier, for single-band CDMA Cellular (IS-95 and cdma2000).
  • Page 26 2. Tx SAW filter: SAFEJ836MAL0F00R00 (F102) This filter can pass only signals with 836.5±12.5 MHz frequency band of transmission frequency for cellular system terminal equipment and reject others including spurious and image signals. Its insertion loss is 3.0dB below 3. Power Amp Module : RF3163 (IC102) Power amplifier is used to amplify the up-converted RF signals sufficiently such that RF signals can be transmitted through the antenna and not be affected by various noises.
  • Page 27 reception frequency for cellular system terminal equipment while remove other signals and image components within passband for the purpose of eliminating the noise in the receiver. It has an Insertion loss of maximum 2.5[dB]. 4. RFR6120 (IC100) The RFR6120 is a RF-to-Baseband receiver IC, an integral component of Zero-IF chipset. The RFR6120 IC provides the Zero-IF receiver signal path that consists of an LNA and I/Q down- converters for cellular-CDMA mode handsets.

  • Page 28: Maintenance

    Chapter 4. Maintenance 4-1. Test equipment and tools Equipment name Type name Maker Quantity Remarks CDMA MOBILE STATION TEST SET E5515C Agilent POWER SUPPLY E3631A Agilent SPECTRUM ANALYZER E4445A Agilent DIGITAL MULTIMETER 34401A Agilent OSCILLOSCOPE (500MHz, 4CH) TDS5054 Tektronix...

  • Page 29: Test Equipment And Tools

    4-2. Test equipment and tools 1. Consumed current measuring 34401A Agilent Digital Multimeter E3631A E5515C E685 Agilent Agilent Transceiver Power Supply CDMA Station Figure 1. Equipment setup Feed power to the Agilent E3631A power supply to measure the current consumption with 34401A as shown in Figure 1 above.
  • Page 30 2. Measurement of the Rx/Tx part E3631A E5515C E685 Agilent Agilent Transceiver Power Supply CDMA Station Figure 2. Equipment setup Setup the equipment as shown in Figure 2. Switch the power on at least 30 minute before use, to preheat the equipment.

  • Page 31: Troubleshooting

    4-3. Troubleshooting ( 1 ) Control Troubleshooting S T A R T IN S E R T B A T T o r C O N N E C T P W R C A B LE & P W R K E Y P U S H F A IL IN IT IA L IZ A T IO N F A IL...
  • Page 32 REPLACE BATT or CHECK FAIL BATT VOLT CHECK BATT CHARGING PATH IC404, Q402, IC403 REPLACE FAIL CHECK VDDC-1.8 D401, C405, R412, L400, IC400 CHECK FAIL REPLACE VDDP-2.6 & VDDA-2.6 IC400, C426, C427 & VLOGIC CHECK FAIL REPLACE VTCXO & TCXO CLOCK IC401, TCXO100 CHECK FAIL...
  • Page 34 CHECK MAINKEY FAIL REPLACE BACKLIGHT PWR IC306, C333 (3.3V) CHECK FLIPKEY REPLACE BACKLIGHT PWR IC401, C400 (VLED) FAIL REPLACE CHECK SPEAKER SPK300 FAIL REPLACE CHECK VOLT (VLOGIC) IC400, C429 FAIL REPLACE CHECK SOUND IC 300 NEXT STEP...
  • Page 35 FAIL REPLACE CHECK VIBRATOR Q500, D503 CONTROL FAIL REPLACE CHECK VIBRATOR MOT500 FAIL CHECK RECEIVER REPLACE IC309, Q304 FAIL REPLACE CHECK RECEIVER RCV500 FAIL REPLACE CHECK MIC. PATH R212, C228, C229 FAIL REPLACE CHECK MIC. MIC1 FAIL REPLACE CHECK EAR-MIC Q300, Q306, BIAS R368, R367...
  • Page 36 FAIL CHECK CAMERA PWR REPLACE (VDDP-2.6, VDDA-2.6) C442, C444 FAIL REPLACE CHECK CAMERA CLOCK IC405, Y401, Q403 FAIL REPLACE CHECK CAMERA PATH F404, F405, F406 FAIL CHECK CAMERA REPLACE CONNECTOR CN403 NEXT STEP...
  • Page 38 ( 2 ) RF TROUBLESHOOTING RF CHECK START FAIL CHECK & REPLACE RX CDMA SERVICE/ROAM CHECK ? PATH FAIL CHECK & REPLACE TX CALL SETUP CHECK ? PATH FAIL FER TEST ?
  • Page 39 NO TX POWER (TX PATH) START FAIL CHECK & REPLACE VTX CHECK IC401 FAIL CHECK & REPLACE TX LOCAL CHECK IC401, R112, C142, C143, R115, R116 FAIL CHECK & REPLACE RFT6120 CHECK IC101 FAIL CHECK & REPLACE POWER AMP CHECK IC102, IC103, Q100 FAIL COUPLER...
  • Page 40 LOW TX POWER LEVEL (TX PATH) FAIL CHECK & REPLACE RFT6120 CHECK IC101 FAIL CHECK & REPLACE TX SAW FILTER CHECK F102, L114, C148, C149 FAIL CHECK & REPLACE POWER AMP CHECK IC102, L113, Q100, R121 FAIL CHECK & REPLACE COUPLER CHECK CPL100, C129, R114 FAIL...
  • Page 41 RECEIVER CHECK (CDMA RX PATH) START VRX, VTCXO, VPLL FAIL CHECK & REPLACE OUTPUT VOLTAGE IC401, R100, R112 CHECK & REPLACE FAIL LNA IN / OUT L115, C133, R108, CHECK R109, L106, IC100 CHECK & REPLACE FAIL RX SAW FILTER CHECK F101, C116, C122, L105, L107, C119 CHECK &...

  • Page 42: Block Diagram

    Chapter 5. Block Diagram 5-1. BLOCK DIAGRAM Control Part Cairo Block Diagram Cairo Block Diagram NAND 1G NAND 1G Voice Voice SDRAM 256M SDRAM 256M EAR,MP3 EAR,MP3 Receiver Receiver MA-5 MA-5 Data[7:0] Data[7:0] Motor Motor CDMA CDMA RF I/F RF I/F Key Matrix Key Matrix MSM 6100...
  • Page 43 MSM6100 Mobile Station Modem Front-end Circuits UART 1 Connectivity Test / Debug System RFR6120 RxADCs MMC Card MMC Controller RF Interface CDMA Processor EBI1 SDRAM DFM Processor NAND FLASH EBI2 TxADCs MIDI (YMU765) AUX SBI ARM926EJ-S JAVA Peripheral Accelerator HKADCs Circuits Camera External Mode...
  • Page 44 Rx/Tx Part...
  • Page 45 5-2. Parts Layout Diagram MAIN TOP...

  • Page 46: Main Bottom

    MAIN BOTTOM...
  • Page 47 FLIP TOP...
  • Page 48 FLIP BOTTOM...
  • Page 49 KEY TOP...
  • Page 50 KEY BOTTOM...
  • Page 51 5-3. Circuit Diagram MAIN...
  • Page 55 FLIP...

  • Page 57: Disassembly Tips

    Disassembly Tips ▶ Precautions - Please must use tools appropriate to the specification at E685 set disassembly. - Do not press the unreasonable force at E685 disassembly. The set may be damaged ▶ Preparation of tool 1. E685 SET 2. JIG FOR HOUSING DISASSEMBLY (0.2T) 3.
  • Page 58 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Battery Pack Separation At first, Power off the E685 set. As shown in the following Figure, push up the battery locker and then, remove the battery pack while raising it up BATTERY LOCKER ▶...
  • Page 59 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Housing rear Separation As shown in the following Figure, after turning the side of set to the up direction, remove the housing rear from the locker while slowly lifting it. At this time, note that inflicting unreasonable force may cause the damage of locker.
  • Page 60 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Housing rear Separation ② ① Precaution : When disassembly of main front housing, Take care not to raise with i/o connector. The main pcb may being bent I/O CONNECTOR...
  • Page 61 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Cap Earphone Jack Separation As shown in the following Figure, Remove the cap earphone jack ▶ SMD and manual assembly PCB Separation Open the main pcb connector make the most of jig as follows...

  • Page 62: Key Telephone

    Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Key Telephone Separation As shown in the following Figure, Remove the key telephone volume ▶ Camera connector Separation Disassembly a camera connector make the most use of tweezers as follows...
  • Page 63 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ SUA Main Bracket Separation As shown in the following Figure, Disassembly a sua main bracket push in the direction of arrow ▶ Completing housing front and housing rear disassembly...
  • Page 64 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ SUA Volume Key Separation As shown in the following Figure, Remove the side key volume. ▶ Mesh Screw Separation As shown in the following Figure, Remove the mesh screw volume.
  • Page 65 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Unscrewing screws (M1.4*2)- 6 points ▶ Housing Main Front Separation As shown in the following Figure, Disassembly a housing main front volume Take care to keep the main fpcb from being damaged)
  • Page 66 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Cap Screw Separation - 2 Point As shown in the following Figure, Remove the cap screw volume. ▶ Unscrewing screws (M1.6*3) - 4 points...
  • Page 67 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Flip rear housing & Flip front housing Separation Disassembly a flip rear housing and flip front housing make the most use of Thickness Gauge(0.2t) as follows (Disassembly a push in the direction of arrow)
  • Page 68 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Flip rear housing & Flip front housing Separation As shown in the following Figure, Disassembly a flip rear housing volume (Take care to keep slide hinge from being bent) Slide hinge ▶ LCD PCB Connector Open.
  • Page 69 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ SUA Flip bracket Separation As shown in the following Figure, Disassembly a sua flip bracket volume ▶ Flip Key telephone Separation As shown in the following Figure, Remove the flip key tel volume...
  • Page 70 Motorola V628 SERVICE MANUAL ============================================================================================== ▶ Completing E685 set disassembly...

  • Page 71: Parts List

    Motorola V628 SERVICE MANUAL ============================================================================================== Chapter 7. Parts List 7-1. MAIN PART DESCRIPTION SYMBOL ANTENNA A100 SPEAKER R1608RIP SPK300 CAMERA FLEX-ORD_CAIRO DESCRIPTION SYMBOL RES(0603) 0 Ohm MCR006MZPJ000 R442, R440, R449 RES(0603) 10 Ohm MCR006MZPJ100 R100, R112, R122 RES(0603) 51 Ohm...
  • Page 72 Motorola V628 SERVICE MANUAL ============================================================================================== RES(1005) 470 Ohm MCR01MZPJ471 R444, R434 RES(1005) 1K Ohm MCR01MZPJ102 R113 RES(1005) 1.5K Ohm MCR01MZPJ152 R436 RES(1005) 2.2K Ohm MCR01MZPJ222 R368, R401, R402, R420, R462, R463 RES(1005) 2.7K Ohm MCR01MZPJ272 R105 RES(1005) 3.0K Ohm MCR01MZPJ302 R201 RES(1005) 3.3K Ohm...
  • Page 73 Motorola V628 SERVICE MANUAL ============================================================================================== CAP(0603) 4700pF 6.3V +/- 10% GRM033R70J472K C151 ( 4.7nF ) CAP(0603) 0.01uF 6.3V +/- 10% GRM033R70J103K C147, C153, C154, C165, C167, C209, C217, C218, C238 ( 10nF ) CAP(1005) 0.5pF +/-0.25pF C1005CH1H0R5C / CL05C0R5CBNC C171 CAP(1005) 2 pF +/-0.25pF...
  • Page 74 Motorola V628 SERVICE MANUAL ============================================================================================== C377 CAP(1005) 0.68uF 6.3V +80/-20% GRM155F50J684Z C219 CAP(1005) 1uF 6.3V +80/-20% GRM155F50J105Z C307, C311, C362, C374, C436, C461 CAP(1608) 0.068uF 16V +/- 10% GRM188R71C683K C143 C325, C334, C400, C413, C414, C422, C423, C424, C425, CAP(1608) 1uF 16V +/-10%...
  • Page 75 Motorola V628 SERVICE MANUAL ============================================================================================== IC ( ESD PROTECTION ) RSA6.1J4 D405 SN74LVC1G04DCKR IC405 AAT4280-3 IC103 IC ( ANALOG SWITCH / Dual SPDT ) NLAS4684MNR2G IC302 IC ( LDO ) R1141Q331DTR-FA IC306 IC ( AUDIO AMP ) LM4809LDX-NOPB IC301, IC309...
  • Page 76 Motorola V628 SERVICE MANUAL ============================================================================================== MOBILE STATION MODEM MSM6100 IC201 MEMORY ( 1Gb NAND / 256Mb TY8000A010AMGF IC200 SDRAM ) POWER AMP MODULE RF3163 IC102 DIRECTIONAL COUPLER LDC18836M14B-322 CPL100 EARPHONE JACK_ST 7000-2.5G-DB1-C EAR300 CRYSTAL UNIT, 24MHz TSX-3225 24MHz Y401 TERMINAL-SPRING ( 4 PIN )

  • Page 77: Lcd Part

    Motorola V628 SERVICE MANUAL ============================================================================================== 7-2. LCD PART DESCRIPTION SYMBOL RECEIVER R1232SW02 RCV500 MOTOR DEV-3407B06 MOT500 PCB FLEXIBLE / CAIRO LCD MODULE DG-130TC-01 DESCRIPTION SYMBOL RES(1005) 0 Ohm MCR01MZPJ000 R508, R509 RES(1005) 20 Ohm MCR01MZPJ200/RC1005J200CS R500, R501 RES(1005) 33 Ohm ( 1% )
  • Page 78 Motorola V628 SERVICE MANUAL ============================================================================================== 7-3. KEY PART DESCRIPTION SYMBOL RES(1005) 120 Ohm MCR01MZPJ121 R600, R601, R602, R603, R604, R605 CAP(1005) 1000pF 10% ( 1nF ) C1005JB1H102K / CL05B102KBNC C600, C601 CAP(1005) 0.1uF +80 / -20% ( 100nF ) C1005JF1C104Z / CL05F104ZONC...
  • Page 79 Motorola V628 SERVICE MANUAL ============================================================================================== A supplement MSM6100 PIN ASSIGNMENT DIAGRAM...
  • Page 80 Motorola V628 SERVICE MANUAL ==============================================================================================...
  • Page 81 Motorola V628 SERVICE MANUAL ==============================================================================================...
  • Page 82 Motorola V628 SERVICE MANUAL ==============================================================================================...
  • Page 83 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs...
  • Page 84 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 85 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 86 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 87 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 88 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 89 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 90 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 91 Motorola V628 SERVICE MANUAL ============================================================================================== MSM6100 pin names and pin outs (Continued)
  • Page 92 Motorola V628 SERVICE MANUAL ============================================================================================== RFR6120 PIN ASSIGNMENT DIAGRAM...
  • Page 93 Motorola V628 SERVICE MANUAL ============================================================================================== RFR6120 Device Pin Definitions...
  • Page 94 Motorola V628 SERVICE MANUAL ============================================================================================== RFR6120 Device Pin Definitions...
  • Page 95 Motorola V628 SERVICE MANUAL ============================================================================================== RFT 6120 PIN ASSIGNMENT DIAGRAM...
  • Page 96 Motorola V628 SERVICE MANUAL ============================================================================================== RFT6120 Pin Functions (Continued)
  • Page 97 Motorola V628 SERVICE MANUAL ============================================================================================== RFT6120 Pin Functions (Continued)

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