Samsung SGH L170 Manuel de service télécharger pdf (Page 69)

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Flow Chart of Troubleshooting

10-29

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10-2-6.

PCS1900 Transmitter

Tx On

Tx Level

Check and change

PAM100

Check PAM100, VBATT

Check

U200

Nomal

Condition Catch

The Channel

RFS100 Pin

≥

dBm

Check and change

RFS100

Yes

Check soldered status of

ANT, C102, C101, L101

Yes

Check soldered status of

L102, C100

Yes

PAM100

#27, 28 :

high

#1,

PAM100 pin

≥

dBm

Yes

Check and change

UCP300

PAM100

#25 : 1.2V

Yes

PAM100

#26

≥

3.7V

Yes

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 78 79

GSM TELEPHONE 1
Safety Precautions 3
Specification 5
GSM TX power class 6
Product Function 7
Software Downloading 9
Array course control 10
Exploded View and Parts List 13
MAIN Electrical Parts List 14
Main Electrical Parts List 15
Disassembly 30
Assembly 33
Block Diagrams 36
Power Block Diagram 38
PCB Diagrams 39
Flow Chart of Troubleshooting 41
Schematic for Power ON 42
Layout for Power ON 42
System Initial 43
SIM Part 45
Charging Part 47
Microphone Part 49
Schematic for Microphone Part 50
Layout for Microphone Part 51
Speaker Part 52
Receiver Part 53
Layout for Headset Part 55
Headset Part 57
Schematic for Headset Part 58
Camera Part 60
Mega and QCIF 60
10-2-1. E 64
GSM900 Receiver 64
10-2-2. E 65
GSM900 Transmitter 65
Receiver 66
Transmitter 67
PCS1900 Receiver 68
PCS1900 Transmitter 69
UMTS2100 Receiver 70
UMTS2100 Transmitter 71
Schematic for 72
BLUETOOTH 75
10-2-10 76
FM radio 76
Schematic for Bluetooth 77
FM Radio 77
Layout for Bluetooth 78
Reference data 79
Reference Abbreviate 79

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Samsung SGH L170 Manuel de service Page 69

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