Page 2 - SAMSUNG Proprietary-Contents may change without notice
SAMSUNG Proprietary-Contents may change without notice 1. Specification This Document can not be used without Samsung's authorization 1-1 P C S 1 9 0 0 1 8 5 0 ~ 1 9 1 01 9 3 0 ~ 1 9 9 0 5 1 2 ~ 8 1 0 8 0 M H z 2 7 0 . 8 3 3 k b p s 3 . 6 9 2 u s 5 7 6 . 9 u s 4 . 6 1 5 m s 0 . 3 G M S K 3 0 d B m ~...
Page 3 - Specification
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Specification 1-2 TX Power control level PCS1900 0 30±3 dBm 1 28±3 dBm 2 26±3 dBm 3 24±3 dBm 4 22±3 dBm 5 20±3 dBm 6 18±3 dBm 7 16±3 dBm 8 14±3 dBm 9 12±4 dBm 10 10±4 dBm 11 8±4dBm 12...
Page 4 - Circuit Description
SAMSUNG Proprietary-Contents may change without notice 2. Circuit Description This Document can not be used without Samsung's authorization 2-1 2-1. SGH-i750 RF Circuit Description 2-1-1. ANTENNA SWITCH (U101:LMG003S-5091A) → Switching Tx, Rx path for EGSM900, DCS1800 and PCS1900 by logic controllin...
Page 5 - Circuit Description; transceiver
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Circuit Description 2-2 2-1-4. Power Amplifier Module (PAM101:BGY290E) This chip is a GSM/EDGE compliant quad band Power amplifier module (PAM) with integrated power control loop (PCL...
Page 7 - POWER SUPPLY
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Circuit Description 2-4 In the Wrting process, WEn is fallen to low and it enables writing process to operate. During reading process, OEn is fallen to low and it enables reading proc...
Page 9 - LCD part; LCD module; Audio part
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Circuit Description 2-6 DPRAM Memory(UME401:70P248L55) 4Kx16bit dual port RAM ● It is accessed by Phone and PDA, but not accessed simultaneously. ● Generally, Instructions and data us...
Page 10 - Its channel spacing is 5MHz and bandwidth is 22 MHz.; Bluetooth Part; Antenna receives signal from AP(Access Point) or other devices.; All the Peripherals; Camera; high sensitivity and wide dynamic range.; Memory card
SAMSUNG Proprietary-Contents may change without notice Circuit Description This Document can not be used without Samsung's authorization 2-7 Module(MOD800:LBWA1UDBD7-093) The Wi-Fi Module which uses Philips Chip is manufactured by MuRata. It only supports 802.11b Specification and communicates with ...
Page 11 - USB; There is a USB Client in the Phone part and PDA part each.; UART; There is a UART port in the Phone part and PDA part each.; KEYPAD
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Circuit Description 2-8 IrDA(HSDL-3002) IrDA Data Compliant 115.2kbit/s with Remote Control Transmission Infrared Transceiver. A small form factor single enhanced infrared transceiver...
Page 12 - Exploded View and Parts List
SAMSUNG Proprietary-Contents may change without notice 3. Exploded View and Parts List 3-1 This Document can not be used without Samsung's authorization 3-1. Exploded View QFU01 QFR01 QCK01 QVO03 QVO01 QCR49 QKP01 QME01 QSH01 QCR12 QMI01 QAN03 QAN04 QCR12 QCH01 QCR21 QBA01 QIF01 QKP02 QSP02 QAR01 QP...
Page 13 - Exploded view and Part List; Location No
SAMSUNG Proprietary-Contents may change without notice Exploded view and Part List 3-2 This Document can not be used without Samsung's authorization 3-2. Parts List Location No Description SEC CODE QAN02 INTENNA-SGHI750 GH42-00619A QAN03 INTENNA-CHIP INTENNA GH42-00621A QAN04 INTENNA-CHIP INTE...
Page 14 - Description
SAMSUNG Proprietary-Contents may change without notice Exploded view and Part List 3-3 This Document can not be used without Samsung's authorization Description SEC CODE BAG PE 6902-000634 CBF INTERFACE-AV CABLE GH39-00410A CBF INTERFACE-PC DATA LINK CAB GH39-00567A CHARGER-BLK DTC GH44-01153A CHARG...
Page 16 - Electrical Parts List; Ddsign LOC
SAMSUNG Proprietary-Contents may change without notice 4. Electrical Parts List 4-1 This Document can not be used without Samsung's authorization Ddsign LOC Discription SEC Code STATUS BTC601 HEADER-BATTERY 3711-005897 SA C100 C-CER,CHIP 2203-000233 SA C104 C-CER,CHIP 2203-000233 SA C107 C-CER,CHIP ...
Page 17 - Electrical Parts List
SAMSUNG Proprietary-Contents may change without notice Electrical Parts List 4-2 This Document can not be used without Samsung's authorization Ddsign LOC Discription SEC Code STATUS C220 C-CER,CHIP 2203-006048 SA C221 C-CER,CHIP 2203-006626 SA C222 C-CER,CHIP 2203-006048 SA C223 C-CER,CHIP 2203-0002...
Page 30 - PHONE RF; PCF; PHONE Logic; PHONE; CPU; CIRCUIT; Vibrator; EHN
SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization 5. Block Diagrams 5-1 PHONE RF PCF 5213 NOR FLASH 256Mb + ScRAM 64Mb PHONE Logic PHONE POWER IC PCF50603 Downloading(serial) CPU 2.4" 240x320 LCD PDA Logic FLASH 128MB SDRAM 64MB ...
Page 32 - PCB Diagrams
SAMSUNG Proprietary-Contents may change without notice PCB Diagrams 6-2 This Document can not be used without Samsung's authorization 6-2. Main PCB Bottom Diagram
Page 35 - Flow Chart of TroubleShooting; PDA Part; NG
SAMSUNG Proprietary-Contents may change without notice 7. Flow Chart of TroubleShooting 7-1 This Document can not be used without Samsung's authorization 7-1. Power On PDA Part In U604 4pin = 3.0V , 23pin = 1.3V 25pin = 1.1V , 33pin = 1.4v Insert Power NG 2pin in U607 > 3.4V Y E S Change Batt. &a...
Page 36 - Flow Chart of Troubleshooting
SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting 7-2 This Document can not be used without Samsung's authorization L605 R627 R610 TA606 R628 C612 C632 C634 R613 R671 C607 VBAT R672 R630 C616 VCORE14 C606 R616 VCC_BATT R674 C633 R673 C635 VCC_BATT VSRAM11 R631 VCC3...
Page 38 - PHONE Part
SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting 7-4 This Document can not be used without Samsung's authorization PHONE Part Phone ON NG 4pin in U407 = High Y E S Check U204Neighboring Circuits N O 1pin in U407 = High Y E S Check U204 N O Output Powers in U604 OK...
Page 46 - Speaker Working
SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting 7-12 This Document can not be used without Samsung's authorization 7-3. Audio Working Speaker Working Operate Speaker Y E S NG 9,13pin in U502 Signal ON? Change SPK Y E S Check R201(Sub), LCD Sub B'd & Slide FPC...
Page 48 - Reciever Working
SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting 7-14 This Document can not be used without Samsung's authorization Reciever Working Operate Reciever NG Change RCV N O Y E S RCV Soldering Pad in LCD Sub B'd Signal ON? Check UCD501 & Neighboring Circuits N O N ...
Page 49 - Mic Working
SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting 7-15 This Document can not be used without Samsung's authorization Mic Working Operate MIC NG Check 28pin in UCD501 = High? N O Y E S Y E S Check UCD501 & Neighboring Circuits MIC+, MIC- pin in MIC501 Signal ON?...
Page 51 - Hands-Free Stereo Headset Working
SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting 7-17 This Document can not be used without Samsung's authorization Hands-Free Stereo Headset Working Hands-Free Stereo Headset N O Y E S SPK , MIC & Button All NG? Change PBA Button NG? Check Ear501 & Neighb...
Page 58 - it's neighboring circuits
SAMSUNG Proprietary-Contents may change without notice Flow Chart of Troubleshooting 7-24 This Document can not be used without Samsung's authorization 7-6. T-Flash Card Working Insert T-Flash Card & Operate T-Flash Card Check CN101(Sub) & D104 it's neighboring circuits N O Y E S NG 2pin in ...
Page 79 - Exploded and assembling View; SAMSUNG Proprietary-Contents may change Without notice
8. Exploded and assembling View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change Without notice 8-1 1) When you dismantle a mobile phone, be careful about the warp of the framework or damage of the hook. 1) When you remove the tape, Be careful dro...
Page 80 - Exploded and assembling View
Exploded and assembling View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change Without notice 8-2 1) When you dismantle a mobile phone, be careful about the warp of the framework or damage of the hook. 1) When you separate, be careful about the war...
Page 81 - Be careful about damage of; SPEAKER WIRE; ) Solder RECEIVER according to polarity.; 극성확인 할 것; Check Polarity
Exploded and assembling View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change Without notice 8-3 1) When you soldering, be careful about damage of component. 2) Bond the soldered part to prevent crack. 1) Insert depending on SPEAKER's color. 2) Bo...
Page 82 - SILK line agreement confirm certainly.
Exploded and assembling View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change Without notice 8-4 1) SILK line agreement confirm certainly. 1) After insert FPCB to connect and attach TAPE, Press CONNECTOR equally. 1) After combine SLIDE LOWER, move...
Page 83 - ) Attach insulation TAPE on connector via silk line using
Exploded and assembling View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change Without notice 8-5 1) Press equally TAPE. 1) Fix so that there may not be MAIN PBA move.2) Confirm whether POWER KEY was put properly. 1) If inflict unreasonable force a...
Page 84 - TAPE CONNECTOR; ) After attach conductivity TAPE for FPCB fixing depending
Exploded and assembling View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change Without notice 8-6 names of goods CODE Specification quantity TAPE CONNECTOR GH74-20587A 5 X 19 X T0.3 (Black) 1 - - - - - - - - names of goods CODE Specification quanti...
Page 85 - TAPE CONNECTER; ) Attach insulation TAPE on connector via SILK line.
Exploded and assembling View This Document can not be used without Samsung's authorization SAMSUNG Proprietary-Contents may change Without notice 8-7 names of goods CODE Specification quantity TAPE CONNECTER GH74-20587A 5 X 19 X T0.3 (Black) 1 - - - - - - - - names of goods CODE Specification quanti...