Transcript SGH-A000 SERVICE TRAINING MANUAL
SGH-Z540 SERVICE TRAINING MANUAL H/W Lab 2 SAMSUNG Electronics
Contents 1. Features 2. Block Diagram --------------- 4 3. PCB Diagram ----------------- 9 4. Trouble Shooting ------------- 11 5. Test Equipment Setting ------ 50 6. Test Program manual --------- 51 2
• • • • • • Features • 3G UMTS Phone (GSM900/DCS1800/PCS1900/WCDMA2100) 1.3 MEGA + VGA Pixel Dual Camera 64 Poly Melody Bluetooth GPRS Class 10 MMS, JAVA,VIDEO MESSAGE WAP 2.0
3
Block Diagram 4
Schematic Diagram (RF Part I) 5
Schematic Diagram (RF Part II) 6
Schematic Diagram (Base Band Part)
Schematic Diagram (MSM6250A & PMIC)
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Schematic Diagram (Base Band Part)
Schematic Diagram (Melody, LCD I/F)
8
PCB Diagram (Top)
Key Connector MSM6250A RFR6250 TCXO IF Connector TXVCO PAM Memory YMU765
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PCB Diagram (Bottom)
LCD Connector BT Connector PM6650 SIM Connector RTR6250 W PAM DPLX ASM Ant. Connector
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Trouble Shooting (GSM Rx) 11
Trouble Shooting (GSM Rx) 12
Trouble Shooting (GSM Tx) 13
Trouble Shooting (GSM Tx) 14
Trouble Shooting (DCS Rx) 15
Trouble Shooting (DCS Rx) 16
Trouble Shooting (DCS Tx) 17
Trouble Shooting (PCS Rx) 18
Trouble Shooting (PCS Rx) 19
Trouble Shooting (PCS Tx) 20
Trouble Shooting (WCDMA Rx) 21
Trouble Shooting (WCDMA Rx) 22
Trouble Shooting (WCDMA Tx) 23
Trouble Shooting (WCDMA Tx) 24
Trouble Shooting (Power On) 25
Trouble Shooting (Power On)
Schematic Diagram (PMIC)
MSME=1.8V
MSMP=2.6V
MSMA=2.6V
TCXO=2.8V
32.768KHz
C410 (19.2MHz) D401=2.6V
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Trouble Shooting (Power On) 27
Trouble Shooting (Initial) 28
Trouble Shooting (Initial)
PON_RESET_N = “High”
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Trouble Shooting (Initial)
SUB_LCD_RESET = “High” MAIN_LCD_RESET = “High”
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Trouble Shooting (Initial)
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Trouble Shooting (SIM) 32
Trouble Shooting (SIM)
Schematic Diagram (SIM) CN401 PIN2(SIM_RST) = “High” CN401 PIN1 = 3.0V
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Trouble Shooting (SIM) 34
Trouble Shooting (Audio Part, Melody) 35
Trouble Shooting (Audio Part, Melody)
Schematic Diagram (Melody) U600 PIN7,32 = 2.7V
U600 PIN4 = “High”
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Trouble Shooting (Audio Part, Mic) 37
Trouble Shooting (Audio Part, Mic)
Schematic Diagram (Mic)
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Trouble Shooting (Audio Part, Receiver) 39
Trouble Shooting (Audio Part, Receiver)
Schematic Diagram (Receiver)
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Trouble Shooting (Audio Part, Receiver) 41
Trouble Shooting (Camera) 42
Trouble Shooting (Camera)
Schematic Diagram (Camera) J7 PIN 21, J8 PIN 13 = 1.8V
J7 PIN 1,12 = 2.8V
J8 PIN 7,16 = 2.8V
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Trouble Shooting (LCD B/L) 44
Trouble Shooting (LCD B/L)
Schematic Diagram (LCD Backlight) L400 > = 3.3V
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Trouble Shooting (LCD B/L) 46
Trouble Shooting (KEY) 47
Trouble Shooting (KEY Backlight) 48
Trouble Shooting (KEY LED)
Schematic Diagram (KEY LED) CN401 PIN15 >3.3V
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Test Equipment Setting • JIG: Download, Trace, Calibration, etc • RF test cable: RF test • Test cable: PC to phone • Serial cable: PC to JIG • Power supply cable • TA (Travel Adaptor) • Data Cable : USB cable (mostly for customers) 50
1. GSM,DCS TX Repair program manual • • • • With Agilent 8960 • Operationg Mode : GSM BCH + TCH BCH channel : 62 TCH channel : 62 Traffic Band : PGSM or DCS Measure GSM Transmit Power With FTM < Click
“
STOP
”
if FTM is operating > 6. Click
“
Mode Selection
”
icon 7. Select
“
GSM
”
or
“
DCS
”
mode 8. Check
“
RX
”
Button at Static of GSM/DCS 9. Click
“
START
”
and Check TX power at HP 8960 51
2. GSM,DCS RX Repair program manual At Normal state With Agilent 8960 • Operationg Mode : GSM BCH + TCH • BCH channel : 62 / TCH channel : 62 • Traffic Band : PGSM or DCS With FTM 4. Click
“
STOP
”
if FTM is operating 6. Click
“
Mode Selection
”
icon 7. Select
“
GSM
”
or
“
DCS
”
mode 8. Check
“
RX
”
Button at Static of GSM/DCS 9. Click
“
START
”
and check Get RSSI_at TX The important thing is not specific values but chages from -842150451 to 6757140 52
3. WCDMA TX Repair program manual With Agilent 8960 • Operationg Mode : WCDMA FDD TEST • Uplink Channel : 9750 With FTM “ STOP ” 3. Click “ Mode Selection ” icon if FTM is operating> 4. Select “ WCDMA ” mode 5. Check “ TxOn ” Button 6. Click “ START ” and Check TX power at HP 8960 53 4. WCDMA RX Repair program manual At Normal state With Agilent 8960 • Operationg Mode : WCDMA FDD TEST • Uplink Channel : 9750 With FTM “ STOP ” 3. Click “ Mode Selection ” if FTM is operating> icon 4. Select “ WCDMA ” mode 5. Check “ TxOff ” 6. Click “ START ” Button 7. Check “ Get Rx AGC ” : -12851 to 300 The important thing is not specific values but chages from -12851 to 300 54