Page 1
Service Manual Level 3 Draft 1.0 Model V975/V980 UMTS 2100MHz/PCS 1900MHz/DCS 1800MHz/GSM 900MHz...
Page 2
With respect to the use of this product, in no event shall Motorola be liable for any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential or other damages.
Page 4
Data Line Integrity Check ..........................2-16 Camera Flash Check ............................. 2-16 Theory of Operation ........................3-1 V975/V980 Overview ......................3-1 Figure 3-1. V975 Transceiver ........................3-1 Front End Module ........................3-2 Figure 3-2. RF Top ............................. 3-2 Figure 3-3. FEM Module (FL001) ....................... 3-3 Table 3-1.
3G terminals. The 3G flash the 3G terminal. terminal described in this document will be limited to Power Hardware the V975, V980, C975, and C980. Fully Charged battery (SNN5743A or equiva- Firmware upgrades need to be handled in a controlled lent) manner.
Power up the 3G terminal If the 3G terminal doesn’t power up, refer to the Force Flash section. Once the phone is fully powered up, the Radio Information Panel will be updated. In the Utilities Panel, select Firmware Upgrade. Draft 1.0 Motorola Confidential Proprietary...
3G Flash Procedures V975/V980/C975/C980 Figure 1-2. RSD General Release GUI Radio Information Panel Main Information Panel Utilities Panel Progress Indicator Status Log Panel Draft 1.0 Motorola Confidential Proprietary...
Figure 1-1. Step 2. The 3G terminal will automatically be placed in force flash mode. There’s no need to press the power key. The RSD application will now de- tect the 3G terminal Draft 1.0 Motorola Confidential Proprietary...
Manual Test Procedures Introduction Non-Signaling Test Measurements In an event that the phone exhibits RF failures that pre- The phone allows computer controlled testing of vari- vent call processing, the service technician may need to ous test parameters. perform some non-signaling tests. These tests will pro- vide information regarding which stage of the phone is This chapter includes the computer functions and rec- failing prior to opening the phone for troubleshooting.
Setup up the test box for GSM, DCS, or PCS Wire Adapter (2-00-68-10000²) Signaling Note: Requires a single output power supply ¹Contact your local Motorola dealer for ordering ²Contact AMS Software and Elektronik GmbH for ordering Set Broadcast Channel (BCH) to 120 (GSM), 700 (DCS), or 661 (PCS)
It is recommended that handover procedures be per- formed as shown in the following table. Table 2-4. GSM/DCS/PCS Handover From Tra ffic Pow e r Tra ffic Pow e r Cha nne l Control Cha nne l Control Ba nd Draft 1.0 Motorola Confidential Proprietary...
Connect hardware as illustrated in figure 4. UE Power Control Default Settings Connection UE Signal BS Signal Network Sync. Note: Control interface doesn’t need to be con- nected at this time. Set TPC Pattern Type to All 1 Draft 1.0 Motorola Confidential Proprietary...
ACLR (RMS) Max. While the phone under test is in an active call, the pa- Menus Code Dom. Receiver Receiver Power Modulation Spectrum rameters for each band should be verified as described. Power Quality Quality Draft 1.0 Motorola Confidential Proprietary...
Serial Cable (SKN6315A¹) with CE converter Enter 5 (GSM) or 0 (DCS/PCS) (SYN0279B¹) and then click Set ¹Contact your local Motorola dealer for ordering Refer to page 2-2 for a list of Hardware. Refer to Fig- ure 2-5 for a configuration illustration. Software Requirements...
RF generator with the following parameters. Broadcast Channel (BCH): Broadcast Channel (BCH) Level: -105 dBm Click on 850/1900 (GSM/ DCS) or 1800 (DCS) Enter Channel 38 Click INIT Click Execute Verify return data is approximately -105 dBm Draft 1.0 Motorola Confidential Proprietary...
Verify the TX Power output by initiating the commands in this section. Verify that the results fall within the fol- lowing limits. Table 2-7. WCDMA TX Power Output High Limit Limit Parameter Unit WCDMA Power Out 19.5 Draft 1.0 2-10 Motorola Confidential Proprietary...
Verfiy vibration function when enabled. Verification Speak into the headset mic and listen for undistorted Handset Mic/Speaker test speech in the headset speaker. Set as illustrated. Click Set Select Enhanced Full Rate and click Vocoder 2-11 Draft 1.0 Motorola Confidential Proprietary...
Vocoder Listen for undistorted audio on the Alert. Verification Speak into the headset mic and listen for undistorted speech in the headset speaker. Melody Speaker test Set AUD_TN_GEN as illustrated and click Start Tones Draft 1.0 2-12 Motorola Confidential Proprietary...
Verify that no noticable flicker exists. matches the Grey scale block in figure 14. This test can also be used to confirm that the color intensity is linear. Figure 22. Zebra Pattern Figure 21. Grey Scale Block Draft 1.0 2-14 Motorola Confidential Proprietary...
Keypad Backlight Select All Pixels On and click “Set” Select Keypad to enable. Deselect Verification Keypad to disable. Verify that no greater than two pixels are on. Verification Verify that all keypad backlight LEDs activate. 2-15 Draft 1.0 Motorola Confidential Proprietary...
This section is intended to describe the procedures that will determine whether the camera function of a Motorola terminal is under normal operating conditions. In order to successfully send test commands to the phone under test, the phone needs to be in suspend mode.
UMTS WCDMA 2100 MHz • 5 way navigation key band. V975 and V980 telephones have a clam form factor. Figure 3-1. V975 Transceiver They feature an externally viewable 96 x 80 4K color STN CLI display for caller identification with date/time, and an internal 167 x 220 65K TFT color display lo- cated in the flip.
• 2MB user memory-V980 ing network. This WCDMA receive configuration al- • 8MB user memory-V975 lows the mobile transceiver to receive WCDMA and GSM signals simultaneously, facilitating the ability to handover from a GSM network to UMTS network and vise-versa.
SAW filters before leav- ing the module. Signals from the WCDMA transmitter are diplexed with EGSM Rx, sharing switch position 1. Similarly, signals Draft 1.0 Motorola Confidential Proprietary...
The downmixer converts the RF signal to baseband so that the signal can pass through a low-pass antialiasing filter and be converted to a digital format. The output of the mixer connects directly to the post- Draft 1.0 Motorola Confidential Proprietary...
Converter (ADC). The output of the MBRX_SLOT) from POG control the start of major Sigma-Delta modulator is then fed into the Receive sequences of events. Coprocessor (RxCPROC). Figure 3-6. Harmony (GSM RX) MB_RX_I MB_RX_IX MB_RX_Q MB_RX_QX HARMONY (U100) Draft 1.0 Motorola Confidential Proprietary...
The integrated matches are implemented as differential to single-ended transformers. The transmit signal is fed back to the synthesizer through a differential output stage that is shared with the re- ceiver. Draft 1.0 Motorola Confidential Proprietary...
The nominal expected maximum gain is ~30dB. The VDET (output) is the RF feedback along the DC reference V_REF_DET (output) are used in backend PA Control (PAC) processing by the HARMONY. VBA_1 and VBA_2 are inputs from HARMONY that Draft 1.0 Motorola Confidential Proprietary...
In addition, a divide-by-three/ five circuit is used to feed back the LO signal to the synthesizer via an open collector output stage. The baseband section is comprised of two separate I Draft 1.0 Motorola Confidential Proprietary...
30.72 MHz rate on a single 6-bit data bus to the into the RF/IF AGC as well as the digital gain compen- external host device. Figure 3-12. Harmony WCDMA RX (U100) WB_AGC(4:0) MB_RX_I MB_RX_IX MB_RX_Q MB_RX_QX WB_DCOC_I HARMONY WB_DCOC_IX (U100) WB_DCOC_Q WB_DCOC_QX Draft 1.0 Motorola Confidential Proprietary...
The upconverter has an image-reject configuration so that the unwanted sideband is rejected to decrease the Figure 3-14. Rattler (U200) MIXER MIXER BB_QX RATTX_OUT BB_Q BB_IX BB_I FracN PS_CLK_RAT TX_EN TANK RATTLER RAT_VCA_AOC 3-11 Draft 1.0 Motorola Confidential Proprietary...
WCDMA Tx frequencies between 1920 – 1980MHz. The nominal expected maximum gain is ~30dB. A Motorola proprietary high power / low power effi- ciency enhancement load switch (5W_VLD) is included in the output match. VLD adjusts the output load for optimum efficiency from low power to high power out.
Harmony WCDMA (U1000) (U100) System CKIH ONELife Clocks Parallel Parallel Sequence Temp Sequence Mgr Manager L1T_1/2 Sensor Triggers WB I/F MQSPI MB I/F ALGAE Serial Serial RX Aux SPI Rattler PrimSyn TX Aux SPI 3-13 Draft 1.0 Motorola Confidential Proprietary...
Page 42
15.36mhz. An 8-bit parallel interleaved data interface (Parallel BBP) is used to load the TX I and Q chip data from the external host processor (POG) IC into the WCDMA signal path of Harmony. Draft 1.0 3-14 Motorola Confidential Proprietary...
MPEG-4 nal Processor (WCSP) module implements modem clip or streaming video. A full hardware codec is uti- functions required by the CDMA subscriber unit in ac- 3-15 Draft 1.0 Motorola Confidential Proprietary...
The Power/End key will not be part of the matrix but instead will connect directly to PCAP2. The MMC/SD host controller handles MMC/SD pro- tocol at transmission level, packing data, adding cyclic redundancy check (CRC), start/end bit, and checking for syntactical correctness. Draft 1.0 3-16 Motorola Confidential Proprietary...
4Mb x 16 (64 Mb). It is low power with special function support including partial array self refresh and temperature compensated refresh. It has a max frequency of 104MHz with CAS latency of three. 3-17 Draft 1.0 Motorola Confidential Proprietary...
It is powered by LCELL, a coincell battery that is also used to maintain the real time clock. The phone will only power up when the 32kHz becomes stable. Draft 1.0 3-18 Motorola Confidential Proprietary...
Following the Internal microphone path, the routed through C4401 and R4401 to the EXT_MIC microphone is biased by R4103 to provide a pin on PCAP. This signal feeds directly to the input mul- tiplexer without an intervening gain stage. 3-19 Draft 1.0 Motorola Confidential Proprietary...
The External Speaker is connected to pin 15 of J5000 (AUDIO_OUT ON/OFF), the accessory connector for the mobile phone. The audio path is routed through R4400 and C4400 and connected to EXTOUT of PCAP. The DC level of this Audio_Out signal is also 3-21 Draft 1.0 Motorola Confidential Proprietary...
Batteries interface to the main transceiver board via a (J5000). During full rate charging, Q3966 is turned 4-pin connector (J5400). Motorola approved remov- ON so that current can be supplied from the external able Lithium Ion and Lithium Polymer batteries are sup- source to B+.
V975 Parts List Introduction Motorola maintains a parts office staffed to process parts orders, identify part numbers, and otherwise assist in the maintenance and repair of Motorola Cellular prod- ucts. Orders for all parts listed in this document should be...
Parts List V975 Electrical Parts List Electrical Parts List The following table lists the electrical parts list for the V975 UMTS/GSM handset. Table 4-1. Electrical Parts List - A1 to C400 Reference Part Description Number Number 3989013L05 CONTACT B5400 0990107N01...
V980 Parts List Introduction Motorola maintains a parts office staffed to process parts orders, identify part numbers, and otherwise assist in the maintenance and repair of Motorola Cellular prod- ucts. Orders for all parts listed in this document should be...