Samsung GT-B7300 Notice

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Product

GSM

GT-B7300

Model

Diode change Guide (Low MIC Volume issue)

Subject

1. Purpose

- To inform All ASCs and Contact Centers of information about technical TIP

2. Symptom

- MIC Volume is too low

3. Instruction

- If MIC Volume is too low, Check ESD Diode.

- If Diode is assembled in the opposite direction, remove Diode and solder new one

in correct direction refer to below.

1) Disassembly

Step 1.

Disassemble Rear (1)

1) Unscrew

7 Points

Description

2) Disassemble 3 Point

in volume key side

Notice No.

10-26

Notice Date

3) Disassemble

2Point in upside

Notice

Apr '10

4) Disassemble 3Point

in SD Card side

Page 1 Notice Product Notice No. 10-26 GT-B7300 Apr ‘10 Model Notice Date Diode change Guide (Low MIC Volume issue) Subject 1. Purpose - To inform All ASCs and Contact Centers of information about technical TIP 2. Symptom - MIC Volume is too low 3.
Page 2 Step 2 Disassemble Rear (2) 1) Disassemble rear 2) Unscrew 1 Point from upside ※ Caution Take care not to damage Locker Step 3. Disassemble PBA ②LCD Connector ①Key Connector 2) Disassemble connector 1) Disassemble PBA refer to pictures ※ Caution Key Connector→LCD Connector Keep V shape not to damage FPCB 2) Diode change...
Page 3 Step 2 Diode Change 1) Change Diode with a Soldering Iron ※ Caution Take care not to damage Key FPCB Connector 3) Assembly Description Step 1. Assemble PBA ②Assemble LCD FPCB ①Assemble Key FPCB ※ Check Silk Line 1) Assemble connector 2) Assemble PBA and Front Key Connector→LCD Connector ※...
Page 4 Step 3. Assemble Rear (2) 1) Push Rear refer to pictures Step 4. Assemble Rear (3) 1) Screw 7 Point 1 → 2 → 3 → 4 → 5 → 6 → 7 Torque : 1.0 ~ 1.2 Kgf·cm / Size : 1.4 * 5...