Service Manual
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... 10.2 Replacement Parts BLOCK DIAGRAM 156 6.1 GSM & WCDMA RF Block 156 6.2 Interface Diagram 158 7. Calibration Program 185 9.1 Configuration of KU950 73 4. Switch Module Block ......86 4.5 Checking WCDMA Block 88 4.6 Checking GSM Block 97 4.7 Bluetooth RF Block 105 4.8 Power on... trouble 116 4.15 Folder on/off trouble 117 4.16 Micro SD trouble 118 4.17 Audio trouble 119 4.18 Charging trouble 129 4.19 DVB-H broadcasting signal reception trouble 132 4.20 Vibrator trouble 135 5. PERFORMANCE 7 2.1 System Overview 7 2.2 Usable environment 8 2.3 Radio Performance 8...
... 10.2 Replacement Parts BLOCK DIAGRAM 156 6.1 GSM & WCDMA RF Block 156 6.2 Interface Diagram 158 7. Calibration Program 185 9.1 Configuration of KU950 73 4. Switch Module Block ......86 4.5 Checking WCDMA Block 88 4.6 Checking GSM Block 97 4.7 Bluetooth RF Block 105 4.8 Power on... trouble 116 4.15 Folder on/off trouble 117 4.16 Micro SD trouble 118 4.17 Audio trouble 119 4.18 Charging trouble 129 4.19 DVB-H broadcasting signal reception trouble 132 4.20 Vibrator trouble 135 5. PERFORMANCE 7 2.1 System Overview 7 2.2 Usable environment 8 2.3 Radio Performance 8...
Service Manual
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... R906 100ohm 100ohm 100ohm 100ohm KEY_ROW[0] KEY_ROW[1] KEY_ROW[2] KEY_COL[5] SIDE_VOLUME_UP_KEY SIDE_VOLUME_DOWN_KEY SIDE_CAMERA_HOT_KEY SIDEKEY KEYPAD Figure. Schematic of MSM6275. ROW0 ROW1 ROW2 ROW3 ROW4 COL0 HOT900 (DVB-H) HOT901 DVB-H) HOT902 (MENU) SEND LEFT COL1 1 2 3 HOT100 UP COL2 4 5 6 HOT101 RIGHT COL3 7 8 9 SEND DOWN COL4 * 0 # CLR_BACK SELECT COL5 SIDE VOLUME UP SIDE VOLUME DOWN SIDE...
... R906 100ohm 100ohm 100ohm 100ohm KEY_ROW[0] KEY_ROW[1] KEY_ROW[2] KEY_COL[5] SIDE_VOLUME_UP_KEY SIDE_VOLUME_DOWN_KEY SIDE_CAMERA_HOT_KEY SIDEKEY KEYPAD Figure. Schematic of MSM6275. ROW0 ROW1 ROW2 ROW3 ROW4 COL0 HOT900 (DVB-H) HOT901 DVB-H) HOT902 (MENU) SEND LEFT COL1 1 2 3 HOT100 UP COL2 4 5 6 HOT101 RIGHT COL3 7 8 9 SEND DOWN COL4 * 0 # CLR_BACK SELECT COL5 SIDE VOLUME UP SIDE VOLUME DOWN SIDE...
Service Manual
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...path is used as the buffer for MPE-FEC. You can see the flow of DVB-H signal through the antenna and the GSM rejection filter. 3. DVB-H Block Diagram DVB-H system block diagram is used to protect the DVB-H signal from the demodulator and decodes the signal, so that it to the DSP performing... Forward Error Correction) . The SRAM which demodulates the receiving signal and passes it can play sound with the speaker and display the video of DVB-H signal by the below . And the tuner receives signal from the filter and passes the signal over to the demodulator which is attached to ...
...path is used as the buffer for MPE-FEC. You can see the flow of DVB-H signal through the antenna and the GSM rejection filter. 3. DVB-H Block Diagram DVB-H system block diagram is used to protect the DVB-H signal from the demodulator and decodes the signal, so that it to the DSP performing... Forward Error Correction) . The SRAM which demodulates the receiving signal and passes it can play sound with the speaker and display the video of DVB-H signal by the below . And the tuner receives signal from the filter and passes the signal over to the demodulator which is attached to ...
Service Manual
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... from GSM interference which is near by attenuation for UHF and L-Band DVB-H applications. So, the performance of converting a selected channel to 1675 MHz range and of the filter is a direct-conversion, low-power single-chip broadband tuner ... with very low LO antenna leakage. • Two-wire serial control interface that has been optimized for GSM band. 3.11.3. DVB-H Tuner (U200) The Microtune® MT2260(U200) is decided by DVB-H band. The MT2260 includes all active circuitry required to implement the complete RF to balanced baseband I and Q outputs. The device...
... from GSM interference which is near by attenuation for UHF and L-Band DVB-H applications. So, the performance of converting a selected channel to 1675 MHz range and of the filter is a direct-conversion, low-power single-chip broadband tuner ... with very low LO antenna leakage. • Two-wire serial control interface that has been optimized for GSM band. 3.11.3. DVB-H Tuner (U200) The Microtune® MT2260(U200) is decided by DVB-H band. The MT2260 includes all active circuitry required to implement the complete RF to balanced baseband I and Q outputs. The device...
Service Manual
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... the BB (or IF) is added to reducing the scanning time. Monitor the Wide Band detector in the DVB-H front-end are below : • DIB7000-H controls LNA : - DVB-H Demodulator (U201) The DIB7000-H 2k/4k/8k COFDM demodulator Integrated Circuit (IC) uses the state of the...interpolation function it allows the circuit to offer very high dynamic range control through digital. Gain - Switch on and off - A digital filter with DVB-H standard. The DIB7000-H is implemented in software. Switch on and off for mobile, portable and fixed reception of the tuner • Application ...
... the BB (or IF) is added to reducing the scanning time. Monitor the Wide Band detector in the DVB-H front-end are below : • DIB7000-H controls LNA : - DVB-H Demodulator (U201) The DIB7000-H 2k/4k/8k COFDM demodulator Integrated Circuit (IC) uses the state of the...interpolation function it allows the circuit to offer very high dynamic range control through digital. Gain - Switch on and off - A digital filter with DVB-H standard. The DIB7000-H is implemented in software. Switch on and off for mobile, portable and fixed reception of the tuner • Application ...
Service Manual
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...[0-7] ADDR[1-2] RDY IRQ Note Analog signals given to Demodulator I2C signals to control the demodulator, and demodulator control the operation of tuner. DVB-H Interface - 71 - Each interface is shown in below figure. Each control signals are related to control Tuner RF & B/B Auto ...Output Enable Chip Select Write Enable DATA signal Address signal Ready signal Interrupt signal DVB-H TUNER I/Q SIGNAL I2C RF & BB AGC WBD DVB-H DEMODULATOR OE CS WE DATA[0-7] ADDR[1-2] RDY IRQ DSP Figure. In the DVB-H system, DSP & MSM both are explained in below Figure. TECHNICAL BRIEF ...
...[0-7] ADDR[1-2] RDY IRQ Note Analog signals given to Demodulator I2C signals to control the demodulator, and demodulator control the operation of tuner. DVB-H Interface - 71 - Each interface is shown in below figure. Each control signals are related to control Tuner RF & B/B Auto ...Output Enable Chip Select Write Enable DATA signal Address signal Ready signal Interrupt signal DVB-H TUNER I/Q SIGNAL I2C RF & BB AGC WBD DVB-H DEMODULATOR OE CS WE DATA[0-7] ADDR[1-2] RDY IRQ DSP Figure. In the DVB-H system, DSP & MSM both are explained in below Figure. TECHNICAL BRIEF ...
Service Manual
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Radio performance of DVB-H receiver Item Receive Frequency Reference Sensitivity Level Maximum Input Level Frequency offset Specification 470 ~ 702 MHz BER < 2*10-4 when Îor = -86.4 dBm / 7.61 MHz modulation = 16QAM code rate = , guard interval = BER < 2*10-4 when Îor = -28 dBm / 7.61 MHz modulation = 16QAM code rate = , guard interval = BER < 2*10-4 @ ±350 KHz 3.11.5.2. Current consumption Stand by (BT Off condition) DVB-H Same as Phone Deep Sleep state PLAY Average Under 310mA (Rx=-80dBm) - 72 - 3. TECHNICAL BRIEF 3.11.5.1.
Radio performance of DVB-H receiver Item Receive Frequency Reference Sensitivity Level Maximum Input Level Frequency offset Specification 470 ~ 702 MHz BER < 2*10-4 when Îor = -86.4 dBm / 7.61 MHz modulation = 16QAM code rate = , guard interval = BER < 2*10-4 when Îor = -28 dBm / 7.61 MHz modulation = 16QAM code rate = , guard interval = BER < 2*10-4 @ ±350 KHz 3.11.5.2. Current consumption Stand by (BT Off condition) DVB-H Same as Phone Deep Sleep state PLAY Average Under 310mA (Rx=-80dBm) - 72 - 3. TECHNICAL BRIEF 3.11.5.1.
Service Manual
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... Battery FILTER (EMI) Charge Pump (LCD Backlight / Flash LED / Camera LDO) To LCD FPCB ( Wire ASSY) Crystal (12 MHz) MSM6275 DVB-H BB Backend Chip USIM Connector MCP(1Gb NAND/512b SDRAM) DVB-H power Connector for J-TAG Reference SW100 SW200 U107 CN800 X100 U600 FL200 U200 X201 X200 U201 U204 Description RF Switch...
... Battery FILTER (EMI) Charge Pump (LCD Backlight / Flash LED / Camera LDO) To LCD FPCB ( Wire ASSY) Crystal (12 MHz) MSM6275 DVB-H BB Backend Chip USIM Connector MCP(1Gb NAND/512b SDRAM) DVB-H power Connector for J-TAG Reference SW100 SW200 U107 CN800 X100 U600 FL200 U200 X201 X200 U201 U204 Description RF Switch...
Service Manual
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4. TROUBLE SHOOTING 4.19 DVB-H broadcasting signal reception trouble Go into the Broadcasting Mode Check the Antenna contact point T F Check DVB-H Antenna or replace Antenna 1.6V
4. TROUBLE SHOOTING 4.19 DVB-H broadcasting signal reception trouble Go into the Broadcasting Mode Check the Antenna contact point T F Check DVB-H Antenna or replace Antenna 1.6V
Service Manual
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4. TROUBLE SHOOTING 4.19.1. Checking DVB-H Power Block DIB_PWR_EN +VPWR TP1 +1.8V_SRAM 1608 C261 1u U202 1 VDD VOUT 5 2 3 GND CE NC 4 R1114N181D-TR-F 1608 C262 1u +1.8V_SRAM TCC_1.8V_SDR +1.2V_DIB_CORE +1.2V_DIB_PLL +1....
4. TROUBLE SHOOTING 4.19.1. Checking DVB-H Power Block DIB_PWR_EN +VPWR TP1 +1.8V_SRAM 1608 C261 1u U202 1 VDD VOUT 5 2 3 GND CE NC 4 R1114N181D-TR-F 1608 C262 1u +1.8V_SRAM TCC_1.8V_SDR +1.2V_DIB_CORE +1.2V_DIB_PLL +1....
Service Manual
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...SRAM_DATA[7] SRAM_ADDR[7] SRAM_DATA[9] SRAM_DATA[2] SRAM_ADDR[5] SRAM_DATA[10] SRAM_DATA[0] SRAM_ADDR[6] SRAM_DATA[8] SRAM_ADDR[3] SRAM_ADDR[2] MT2260 DVB-H RF tuner E POWER for DVB-H part E EUSY0275001 DVB-H BB Module +2.7V_DIB_A +2.7V_DIB_OSC +VPWR +1.8V_SRAM +VPWR +2.7V_DIB_RF F DIB_PWR_EN U202 1 2 3 VDD... G5 A2 _WE _OE VSS1 VSS2 D1 E3 A1 B2 _LB _UB VSS3 E6 EUSY0278001 DVB-H SRAM Engineer: Shawn Shin Drawn by : Shawn Shin Date Changed: 2006, Sep 08... LAB 4 DEVELOPMENT GROUP 1 TITLE: Size: A2 KU950 Main 1.1 Changed by : Shawn Shin R&D CHK: DOC CTRL CHK: MFG ENGR CHK...
...SRAM_DATA[7] SRAM_ADDR[7] SRAM_DATA[9] SRAM_DATA[2] SRAM_ADDR[5] SRAM_DATA[10] SRAM_DATA[0] SRAM_ADDR[6] SRAM_DATA[8] SRAM_ADDR[3] SRAM_ADDR[2] MT2260 DVB-H RF tuner E POWER for DVB-H part E EUSY0275001 DVB-H BB Module +2.7V_DIB_A +2.7V_DIB_OSC +VPWR +1.8V_SRAM +VPWR +2.7V_DIB_RF F DIB_PWR_EN U202 1 2 3 VDD... G5 A2 _WE _OE VSS1 VSS2 D1 E3 A1 B2 _LB _UB VSS3 E6 EUSY0278001 DVB-H SRAM Engineer: Shawn Shin Drawn by : Shawn Shin Date Changed: 2006, Sep 08... LAB 4 DEVELOPMENT GROUP 1 TITLE: Size: A2 KU950 Main 1.1 Changed by : Shawn Shin R&D CHK: DOC CTRL CHK: MFG ENGR CHK...
Service Manual
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...,SMD ,0.4 dB, EUSY0246002 QFN ,48 PIN,R/TP ,UMTS-1900/-2100 and GPS RF Receiver IC EUSY0306701 QFN40 ,40 PIN,R/TP ,DVB-H Tuner (6X6X0.6mm) EUSY0275001 8X8 BGA ,132 PIN,R/TP ,DVB-H/T Base Band Receiver EUSY0278001 FBGA ,48 PIN,ETC ,8M(512K, X16) LPSRAM / PB FREE EUSY0241701 BALL CSP ,409 PIN,R/TP...1Mhz EUSY0293501 SOT23-5 ,5 PIN,R/TP ,150mA, 2.7V, LDO, Pb-Free EUSY0293501 SOT23-5 ,5 PIN,R/TP ,150mA, 2.7V, LDO, Pb-Free EUSY0304001 BGA ,208 PIN,R/TP ,DVB-H IF EUSY0222205 FBGA(11*14*1.2) ,225 PIN,ETC ,,1G(90 NANO/HP) NAND+512M(90NANO/32 BITS IO) SDRAM / PB FREE EUSY0306301 BCCS ,84 PIN...
...,SMD ,0.4 dB, EUSY0246002 QFN ,48 PIN,R/TP ,UMTS-1900/-2100 and GPS RF Receiver IC EUSY0306701 QFN40 ,40 PIN,R/TP ,DVB-H Tuner (6X6X0.6mm) EUSY0275001 8X8 BGA ,132 PIN,R/TP ,DVB-H/T Base Band Receiver EUSY0278001 FBGA ,48 PIN,ETC ,8M(512K, X16) LPSRAM / PB FREE EUSY0241701 BALL CSP ,409 PIN,R/TP...1Mhz EUSY0293501 SOT23-5 ,5 PIN,R/TP ,150mA, 2.7V, LDO, Pb-Free EUSY0293501 SOT23-5 ,5 PIN,R/TP ,150mA, 2.7V, LDO, Pb-Free EUSY0304001 BGA ,208 PIN,R/TP ,DVB-H IF EUSY0222205 FBGA(11*14*1.2) ,225 PIN,ETC ,,1G(90 NANO/HP) NAND+512M(90NANO/32 BITS IO) SDRAM / PB FREE EUSY0306301 BCCS ,84 PIN...