How To Fix iPhone 6 Loudspeaker Not Working

Malfunction Phenomenon

When playing music or setting the ringtone, there is no sound from the phone.

 

Trouble Shooting

1. Run cosmetic inspection of the charging port connector J1817, nothing goes wrong.

2. Run diode mode measurement of J1817, the measured value of Pin 1 and Pin 2 is abnormal.

3. Pin D2 of the audio amplifier chip U1601 is connected to Pin 1 on J1817 by way of R1603, C1663 and C1602. Pin C2 of U1601 id connected to Pin 2 on J1817 by way of C1600 and C1660.

4. Run diode mode measurement of components on the two rails. Judging by the measured value, C1600 and C1660 have shorted.

5. Remove C1660 and C1600 and run diode mode measurement of the two pads. The pad under C1600 is shorted. Remove U1601 and measure the pad under C1600 again. The measured value is normal this time. We can confirm now that U1601 has malfunctioned.

6. Continue to check the rail related to Pin 1 and we find that C1602 is also shorted. Remove C1602 and run diode mode measurement of its pad. The measured value is normal. Which indicates that C1602 has also malfunctioned.

7. Replace C1602 and U1601. Problem fixed.

 

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 To thanks all customers' support for FansCreate, we launched the 3 days(from 12th August – 15th August 2020) flash sale. We pick of the best and hot sale of repair tools & spare parts so far. Save up to 26% off. Don't miss out!

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Freezing Separator Machines For Phone Screen Refurbish

 New freezer separator machine is launched in Fanscreate online shop. TBK-578 Freezing LCD Separator Machine. Compared with traditional lcd separator machine, this is One of the most cost-effective desktop LCD freezing separator machines can instantly let you remove the glass lens, LCD, and frame without complex disassembly process in only 10 mins. Especially suitable for a curved screen such as the Samsung S series.

TBK-578 Mini Desktop LCD Freezing Separator Machine

Specification:
1. Suitable for all tablets, smartphone cracked LCD under 14 inch separating
2. OLED cruved screen glass separation is workable as well
3. Separator temperature : - 130 --- - 185 degree
4. Around 15 minutes to get the low temperature
5. Put LCD screen on the cooling plate for around 1 -- 2 mins, then you can use a plastic card to help to separate the cracked glass
6. 220V / 110V are both available

Product info
1. Working areas: 250 x 190 mm, can use for Straight screen /curved screen /tablet screen separating 
2. Better quality and better price
3. Machine size: 69 x 45 x 32cm 
4. Net weight :around 41.6 kg 
5. Model: TBK - 578 
6. Function:  To remove the front glass more easily  
7. Application:  For all phone screens, like for iPhone, Samsung, LG, HTC, etc. Also with curved OLED Screen 
8. Voltage:  220V/ 110V /800W 
9. Fast Delivery: Ship within 3 working days after payment received 
10. Temperatur: Up to - 185 degree lowest temperature 
11. Gross Weight: 56kg 
12. Plate size 25*19cm 
13. Package size:55*51*81

FansCreate offers the best prices and high-quality repair tools and machines for global distributors, refurbish factories, repair stores, chain stores and DIY. Welcome to check fanscreate.com to get more information.

Hot Sale Digital Multimeter in 2020

Digital multimeter is the basic repair tool for a mobile phone repair shop. Which is used to measure the value of the pin on the motherboard, according to the value to judge so that improve the efficient repair work. Here, we bring top 4 hot sales digital multimeter for you!

SUNSHINE SS DT-20N Touch Control Digital Multimeter - Sale Price $17.85
This portable and light multimeter is easy to use. With touch-button control design and large screen display, which shall make your repair work more efficient.

Features
Smart touch. Full touch screen control
High definition 3.2-inch large screen, easy to read the measure values
Design is small and light, more convenient to carry.
Easy operation, easy to learn and use.
Configure special tip test pen, can test precision components
With flashlight function
Intelligent integration Burn-proof design
3 high-speed chips in this machine make the measurement more accurate

Specifications
Model No.: DT-20N
N. W.: 147g
G. W.: 380g
Product Size: 135*68*17mm
Packing Size: 185*130*35mm
Power: AAA battery * 2

Digital Multimeter - UT58A - Sale Price $23.24
This digital multimeter measures AC voltage, DC voltage, AC current, DC current, resistance, capacitance, frequency and continuity checking. It's durable and easy to operate with overload protection, low battery indication and data hold function. Use this multimeter to make precise electronic measurements and tests.

Specifications
● Screen size: 60 mm*54 mm
● Dimension: 179*88*39 mm
● Weight: 350 g
● Powered by: 9V battery