REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Monday, 4 February 2019

PHILIPS HTS3371D REGION CODE SETTING, RESET, PASSWORD CHANGE, SMPS AND POWER AMPLIFIER SCHEMATIC - DVD HOME THEATRE SYSTEM

Philips HTS3371D region code setting, reset, password change, SMPS and power amplifier schematic - DVD Home Theatre System

How to set the region code, change the password, upgrade the software, Power and power amplifier circuit diagram - Philips HTS3371D DVD Home Theater System
Used ICs: TNY180 – 5N60C(FET) – KA7500C – TAS5508 – TAS5352x3
Total output power
Home Theater mode....................................... 1000 W(6 X 167)
FTC mode (1%THD)........................................................ 520 W
Frequency response..........................................40 Hz ~ 20 kHz
Signal-to-noise ratio.......................................................> 60 dB
Speaker impedance........................................... 4 ohm (center),
                                                                           4 ohm (Front/Rear)
Speaker drivers 
Center......................................................................... 3” woofer
Front/Rear .............................................................. 3” full range
Subwoofer
Impedance....................................................................... 4 ohm
Speaker drivers ....................................... 165 mm (6.5”) woofer
Frequency response..........................................40 Hz ~ 150 Hz
Dimensions (WxHxD) .............................. 163 x 363 x 369(mm)
Weight ..............................................................................4.7 kg
Laser specification
Type.....................................Semiconductor laser GaAIAs (CD)
Wave length.............................................. 645 - 665 nm (DVD),
                                                                    770 - 800 nm (CD)
Output power........................................................ 6 mW (DVD),
                                                                               7 mW (VCD/CD)
Beam divergence.................................................... 60 degrees
SMPS and Power Amplifier circuit diagram (Click on the pictures to magnify)
System , Region Code - Setting Procedure
System Reset
a) Press “SETUP“ button on R/C,TV will show setup menu
b) Select the menu using the “DN” and “Right”  on R/C
c) Go preference page to do system reset.
Region Code Change
a) In open mode, press”9” “9“ “9“ “9“ on R/C, then input desired number to change region code :
1 USA
2 EU
3 AP
4 Australia ,NZ , Latam
5 Russia , INDIA
6 CHINA
Version Control Change
a) In open mode, press “1“ “5“ “9“ on R/C
b) Press “OK” button to confirm
c) TV will show message as below:
Check on the Software Version
a) Open the CD Door
b) Press “INFO“ button on R/C
c) TV will show the version on screen.
Upgrading new software
a) Copy “software files” into a CD-R
b) Open the CD Door, then insert the CD-R program disc
c) Close the CD Door
d) VFD will show:
“Loading“
“Erase” -- erase the " ash memory
“Writing” about 1 minute
“done “
* the system will switch off and on again automatically.
e) OSD will show:
Password Change
a) Press “SETUP“ button on R/C,TV will show setup menu
b) Select the menu using the Dn and Right on R/C
c) Go preference page select “password“ to change
* 000000 is default password supplied.
Trade model
a) Press “Open/Close “ button on R/C
b) Press “2” “5” “9” on R/C,VFD will display “TRA ON “ or “TRA OFF.
Posted By: FRANK at 02:48
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