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Confidential, The Display Does Not Appear On External Display In 65k Color Mode.

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CONFIDENTIAL 13 . THE DISPLAY DOES NOT APPEAR ON EXTERNAL DISPLAY (IN 65K COLOR MODE). Does the display appear on Main Display? NO Go to the section "Power is not turned on." YES Is External Display On/Off setting set to On? Go to the setting as follows and set it to On: NO Settings Phone Settings External Display Display On/Off YES Is External Display unit fully inserted to CN703? NO Improperly inserted to the connector. YES Clean the contact point of the connector CN703 and insert the unit again. Does the display appear? YES The contact point of the connector is dirty. NO Is 3 ± 0.1 V applied to CN703 pin 9? Is R723 good in appearance and mounted properly? NO R723 is defective or mounted improperly. YES Are CN701 and CN103 good in appearance and mounted properly? NO CN703 and CN103 are defective or mounted improperly. And FPC is defective. YES Is 3.0 ± 0.1 V supplied from LCD_RST (CN703 pin 27 and C751)? NO IC704, C736, C751, and R749 are defective or mounted improperly. YES Is R222 good in appearance and mounted properly? NO R222 is defective or mounted improperly. YES Are C755, C756, and C757 good in appearance and mounted properly? Is electric potential normal at both ends of C755, C756, and C757? Are rectangular waves sent? C755: rectangular wave of approx. 3 V C756: rectangular wave of approx. 6 V C757: rectangular wave of approx. 9 V C755, C756, C757, and CN703 are defective, or External Display unit is defective. NO YES Is approx. 11.8 V applied to CN703 pin 7 (TP717)? Are the following voltages applied to V0 - V4? V0 (C744): approx. 8.56 V V1 (C745): approx. 7.33 V V2 (C747): approx. 6.11 V V3 (C748): approx. 2.42 V V4 (C750): approx. 1.20 V YES External Display unit is defective. C744, C745, C747, C748, C750, CN703, and IC704 are defective. The control signal line to IC704 or External Display NO unit is defective. * After a period of time the back light turns off, the voltage on TP717 decreases to approx. 9 V. TM200 1ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE 2 - 38

Section	Page
SERVICING CONCERNS	2
CHAPTER 1. GENERAL DESCRIPTION	3
1. Specifications	3
2. Names of parts	4
3. Operation manual	4
[Optional Accessories]	4
CHAPTER 2. 1ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE	5
[1] SHARP Program Support Tool (SPST)	5
1. System requirements	5
2. Introduction	5
2-1. Functions	5
2-2. Installation	5
2-3. Starting up	5
3. Adjustments for TM200	6
4. Functions	7
4-1. Default setting	7
4-2. User data back-up	7
4-3. User data restore	7
4-4. Downloader	8
4-4-1. Introduction	8
4-4-2. Getting started	8
4-4-3. Rewriting MOT files	11
4-4-4. Error message list	15
4-5. RF calibration & check	15
4-5-1. Preparation	15
4-5-2. Default setting for the program.	16
4-5-3. RF calibration (Remove SIM card)	16
4-5-4. RF performance check (Insert SIM card)	16
n Troubleshooting list	21
4-6. RF Test tool	21
4-6-1. Requirements	21
4-6-2. Setup	22
4-6-3. Tests	22
n GSM900 Band	23
n DCS/PCS Band	23
4-6-4. Termination	24
4-6-5. Trouble information	24
4-7. Password reset	24
4-8. Performance check and adjustment	24
4-8-1. Main back light check	25
4-8-2. External back light check	25
4-8-3. Key back light check	25
4-8-4. LED check	25
4-8-5. Battery voltage check	25
4-8-6. SD read/write test	25
4-8-7. Vibrator test	25
4-8-8. Melody test	25
4-8-9. Audio test	25
4-8-10. Camera check	26
4-8-11. Memory check	26
4-8-12. LCD test	26
4-8-13. Temperature adjustment	26
4-8-14. Main display flicker adjustment	26
4-8-15. External display contrast adjustment	26
4-8-16. White defect correction	27
4-8-17. Black defect correction	27
4-9. ****mode release	28
5. Other tests	28
5-1. USB	28
5-2. Bluetooth	28
[2] Test points	29
[3] Troubleshooting	33
1. Power is not turned on.	33
3. No voice is heard from the earpiece.	35
17. SD (Memory) card is not recognized.	44
18. USB connection is impossible.	45
19. Bluetooth communication is impossible.	45
CHAPTER 3. DISASSEMBLY AND REASSEMBLY	46
A. Battery removal	46
B. Speaker removal	46
C. VIBrating motor removal	46
D. Backup battery removal	47
E. Main/LCD PWB unit removal	47
F. Sub LCD removal	47
G. Main LCD, BL flexible unit removal	48
H. Receiver and mic removal	48
CHAPTER 4. DIAGRAMS	51
(5) Vibration Motor & LED Driver	51
(6) Sense Flip	51
CHAPTER 5. SCHEMATIC DIAGRAM AND WIRING SIDE OF P.W.BOARD	52
[1] Notes on schematic diagram	52
[2] Types of transistor and LED	52
[3] Waveforms of circuit	53
n MAIN PWB_FRONT	60
n MAIN PWB_REAR	61
CHAPTER 6. OTHERS	66
[1] Function table of IC	66
n IC101 (LRS1B27): 5-LEVEL STACK MEMORY	66
n IC103 (AD6535): ANALOG BASEBAND	68
n IC106 (AD6529B): DIGITAL BASEBAND	70
n IC107 VHIEW6671++-1R (EW6671): HALL	72
n IC108 VHIR3112Q26-1L (R3112Q261A): VOLTAGE DETECTOR	72
n IC109 VHINJ287130-1L (NJM2871F03): 3.0 V REGULATOR	73
n IC111 VHIR116030B-1L (R1160N301B): REGULATOR	73
n IC703 VHIR116018B-1L (R116018B): 1.8 V REGULATOR	73
n IC113, 706 VHITC7SZ08A-1L (TC7SZ08A): AND GATE/LOGIC	73
n IC114 RH-IXA007AFZZL (HA1631S03CME): COMPARATOR	73
n IC115 VHIXC61CN27-1L (XC61CN27): REGULATOR	73
n IC116 VHIRQ5RW45B-1L (RQ5RW45B): 4.5 V REGULATOR	73
n IC502 VHIBU7870KN-1L (BU7870KN): USB CONTROLLER	74
n IC505 VHIXC620930-1L (XC620930): REGULATOR	74
n IC506 RUNTZA005AFZZL (UGNZ2): BLUETOOTH MODULE	74
n IC507 VHITC7SET00FU- (TC7SET00FU): LOGIC	75
n IC508 VHI817A30NB-1R (817A30NB): 3.0V REGULATOR	75
n IC509 VHILVC2G34P-1R (LVC2G34P): BUFFER	75
n IC701 VHIR116025B-1L (R116025B): 2.5V REGULATOR	75
n IC702 VHITK11131C-1R (TK11131C): REGULATOR	76
n IC704 (LR38863): DISPLAY CONTROLLER	76
n IC708 VHITK11130C-1R (TK11130C): REGULATOR	80
n IC801 VHIHD155155-1L(HD155155NP): RF	80
n IC802 RF3146	81
n IC804 VHIR5322N29-1L(R5322N002B): POWER SUPPLY	81
[2] Function table of Display	82
n LCD1000 RLCUB0048AF03: MAIN DISPLAY	82