Samsung SGH-T429 Bedienungsanleitung PDF herunterladen (Seite 59)

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Flow Chart of Troubleshooting

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9-27

9-17. PCS Transmitter

TX ON (5Level)

Yes

F100 Pin7

>= 20dBm

Resolder CN100,C104

Yes

F100 pin8

>= 18dBm

Check F100

pin9=H (2.6V)

pin11 = L

Check ANT Switch

control circuit

Yes

Change or Resolder

L112,C117,L118

Yes

PAM100 pin15

>= 18dBm

Resolder or Change

L112,C117,C118

Yes

Check Pam100

+VBATT(pin17)

PAM100 pin3

<= -11dBm

Resolder or Change Pam101

Check +VBAT or PAM

control signal

Yes

Pam100 pin3

<= -15dBm

Resolder R103

Yes

U101

pin12,13,28,29

>=2.8V

U101 pin 4,5,6,7

>= 1V

Check & Resolder RFLO

signal, RF13MHz,

RF PSU Part

Resolder U101

Yes

Check UCP200

END

1 2 ... 54 55 56 57 58 59 60 61 62 63 64

GSM TELEPHONE 1
1. Safety Precautions 3
Safety Precautions 4
2. Specification 5
2-2. GSM Tx Power Class 6
Main Function 7
4. Array course control 9
Software Downloading 10
Array course control 11
5-3-1. Disassembly 16
4. Disassembly - SLIDE 17
5. Disassemblu - LCD 17
5-3-2. Assembly 18
4. Assembly - PBA 19
5. Assembly - REAR 20
6. MAIN Electrical Parts List 21
Main Electrical Parts List 22
7. Block Diagrams 29
Block Diagrams 30
8. PCB Diagrams 31
PCB Diagrams 32
9-1. Power On 33
Flow Chart of Troubleshooting 34
9-2. Initial 35
9-3. Charging Part 37
9-4. Sim Part 39
9-5. Microphone Part 41
9-6. Speaker Part(Melody) 43
9-7. Key Data Input 45
9-8. Receiver Part 46
9-10. Key Back Light 49
9-11. Camera part 51
Amp : -50dBm 52
9-13. GSM Transmitter 53
9-15. DCS Transmitter 56
9-17. PCS Transmitter 59
10. Reference data 63
Reference data 64

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