الغاء حماية ايسيات الانفرتر...
LED BACKLIGHT PROTECTION
DRIVE IC PIN DETAILS
TIMER,OVP,SST,CMP,FT,SCP
🔻🔻🔻🔻🔻🔻
AT1741 -15 -LED GROUND
BA9741-15 -LED GROUND
BD9211F-14-4k7
BD9215AFV -15 -10K GROUND
BD9222FV -13 -LED GROUND
BD9240-15 -10K GROUND
BD9270F-13-10K
BD9275F-11-1K
BD9276EFV-35-LED
BD9766CVF -20 -LED GROUND
BD9766VF -20-LED
BD9777-14-10K GROUND
BD9882F-14 -LED GROUND
BD9893F-10-82K
BD9896-3-LED
BD9897F-22-LED GROUND
BD9897FS-17-LED GROUND
BI3101A-16 -470 oHM
BIT 3101-2&15 SHORT
BIT3102B-14-47K
BIT3105-19-LED
BIT3193-5-LED
BIT3251/52- 5-GROUND
BIT3713 -5-LED GROUND
BIT3713 -4-LED GROUND
DT8211-9-47K
FA3629-15&16SHORT
FA3630-7&10SHORT
FAN7316 -17-LED
ILN816GN-8-10K
KA7500-1&16 SHORT
KA7500B-15&16 SHORT
KHO803A-5-LED OR 390K-820K
LM2901-6-82K
MAX8722-4-DIRECT GROUND
MP1006-6-10K
MP1007ES-4-DIRECT GROUND
MP1008-4-10K GROUND
MP1009-5-DIRECT GROUND
MP1038EY-2&11 SHORT
MP1060EF-3-LED
MP3810-6-82K
MSC1692-4-220K
OB3316QP-DIRECT GROUND
OB3362RP-16-22K
OZ5508G/GN/N-3-LED
OZ964-4-LED
OZ9643-1-20K
OZ9643N-20 ohm
OZ965-4&5 SHORT
OZ972GN-8-LED
OZ9910-5-82K
OZ9919GN-8-10K GROUND
OZ9937-14-47K
OZ9938-3-10K
OZ9938GN-3-GROUND
OZ9938Q-3-10K GROUND
OZ9939GN-3-100K
OZ9966SN-15-10K GROUND
OZ9972(24-PIN)-20-1K
OZ9976-11-10K
OZL68GN-4-LED
OZL68GN-4&7 SHORT
OZT1060GN-1-LED GROUND
SEM2005-1-LED
SEM2005-1-82K
SEM2006.. توصيل طرف 5 بالارضى
SEM2105.... دايود ليد بين طرف 1 للارضى
SEM2107-21-LED
SS1091ASN-19-LED
TA9687GN-12-47K GROUND
TL1451-15-DIRECT GROUND
TL494-1&16 SHORT
🔻🔻🔻🔻🔻🔻
إلغاء حماية معظم ايسهات الانفرتر
إلغاء حماية معظم ايسهات الانفرتر
طرف رقم 8 بالارضى
AAT1107توصيل طرف رقم 15 بالارضى
AT1741
توصيل دايود من طرف رقم 15 للارضى
BA9741Fيتم توصيل بن 15 بالارضى
BD9240
مقومة 10 كيلو ببن 15 للارضى
BD9883
عمل شورت على الكثف الموجود على بن 12
موديل
Sharp LC-32D44
BD9897FS
يستخدم دايود ليد من بن 17 للارضى
موديل
SHARP LC-32A47l
HISENSE TLM3233H
HISENSE TLM32E29
BIT3102Aالمطلوب على بن 6 من ايسي الانفرتر 2.5 فولت يتم وضع مقومة47 كيلو مع مقومة متغيرة 100 كيلو وضبطها
موديل
BN44-00082B
BIT3105
فصل طرف 4 من الدائره
BIT3193وضع دايود ليد على طرف 5 والارضى
او فصل طرف 15 من الدائره
BIT3713
توصيل دايود ليد من طرف 5 للارضى
FAN7311
توصيل مقومة 560 اوم من طرف 1 بالارضى
FAN7314
توصيل مقومة 560 اوم من طرف 1 بالارضى
موديل
BN44-00182C
LX1692
مكثف 1 ميكرو بين طرف C_To والارضى
موديل
Sony KDL40S5600
MP1009
شورت على مكثف بطرف 5
MP1060
فصل طرف 3 من الدائره
OB3316
ليد دايود من طرف 5 للارضى
OZ960
يجب وجود 1.8 فولت او 2 فولت على طرف 4
وضع مقومة 5.1 كيلو من تغذية تتروح من بين 8 الى 15 فولت وطرف 5 وليد دايود مع الارضى
OZ964
يجب وجود 1.8 فولت او 2 فولت على طرف 4
وضع مقومة 5.1 كيلو من تغذية تتروح من بين 8 الى 15 فولت وطرف 5 وليد دايود مع الارضى
OZ9910مقومة 82 كيلو من طرف 6 للارضى
OZ9937
مقومة 47 كيلو من طرف 14 للارضى
OZ9938توصيل طرف 3 للارضى
OZ9966
مقومة 10 كيلو على طرف 15 والارضى
OZ9970
يجب وجود 1.8 فولت او 2 فولت على طرف 4
وضع مقومة 5.1 كيلو من تغذية تتروح من بين 8 الى 15 فولت وطرف 5 وليد دايود مع الارضى
BN44-00251D
TA9687
مقومة 47 كيلو من طرف 12 للارضى
TL5001ليد دايود من طرف 5 للارضى
تحياتى لكم جميعا
اخوكم عادل ابو الخير
oz9938=p3
oz960=p1
oz950=p1
oz964=p1
ozrr1gn=p6
ba9741e=p12-13put r10k
and p4-p5-putr10k
bd9883=p12
bd9884fn=p6
bd9893f=p10
bd9882f=p15
bd9222n=p11
bd9897fs=p17 اوالرجل 4
fan7314=p1
tl494c=p3
bit3105p=p16
bi3101a=p5
az494=p3
at1741=p7
fan 7547=p7
TL5001.. 5...led
TA9687.. 12...47k
OZ9938.. 3,6,7...gnd
OZ960.. 2...gnd
OZ9970.. 4...2v
You need to connect the 1.8 to 2V to Pin number 4 and the protection will be removed.
OZ9966 Protection Pin
Connect the 10K-ohm resistor from Pin Number 15 to the ground.
OZ9937 Protection Pin
Short the resistor with from Number 14 Timmer Pin to the ground.
OZ9910 Protection Pin
Connect the 82k ohm resistor from Pin Number 6 to the ground
OZ964 Protection Pin
Pin 4 must have a voltage between 1.8 and 2 V.
OZ960 Disable Protection
Pin 4 must have a voltage between 1.8 and 2 V.
OB3316 Protection Pin
Connect and LED from Pin No 5 to the ground.
TL494 Protection Pin
Short the Pin No 1 and 16 to the ground and the protection of the TL494 IC, will be removed/bypassed. If haven’t worked, just sort the Pin No 4
KA7500 Protection Pin
Short the Pin 1 and 16 to the ground and the protection will be removed.
MP1038EY Protection Remove
Just Connect Pin 2 and 11 with each other and the Protection will b removed.
TA9687GN Protection Remove
If you want To remove the protection please connect the 47K Resistor from Pin 12 to the Ground.
🔻🔻🔻🔻🔻🔻
Example: Removing Protection from OZ9938
For the OZ9938 IC, you’ll need to short Pins 3, 6, and 7 to the ground. If you encounter a grounding resistance, remove it, and the protection should be bypassed.
Troubleshooting Common Protection Issues
If your LED TV enters protection mode (such as the backlight blinking and then turning off), follow these steps:
- Check for Protection Mode: Ensure the TV is actually in protection mode by observing its behavior. If the backlight turns on briefly and then shuts down, it’s a sign of protection being triggered.
- Locate the IC: Open the inverter board and carefully locate the IC. Once you’ve found the IC number, refer to the table above or your IC’s specific documentation.
- Perform the Bypass: Depending on the IC, short the necessary pins to ground or use a resistor or LED as described.
Precautions
- Always ensure the device is powered off and unplugged before working on the inverter board.
- Work in a static-free environment to avoid damaging sensitive components.
- Use appropriate tools like multimeters to test connections and ensure the changes have resolved the issue.
Conclusion
Removing the protection from an inverter IC requires attention to detail and knowledge of the specific IC’s pin configuration. By following these methods, you can troubleshoot and resolve issues caused by the protection mechanism. Whether it’s for a SEM2005, OZ9938, or another IC, these techniques will help you restore functionality to your LED TV or similar devices.
ليست هناك تعليقات:
إرسال تعليق