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Toshiba 40G300U1 Support Question

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Question posted by us77010 on December 27th, 2015

Sound Blasts

Sound blasts happen every once in a while making everyone jump. I suspect a cold solder joint on a feedback component in the audio amp circuit, creating an open loop which simulates full volume for very short bursts. Have seen this behaviour before in a stereo amplifier circuit.I am an electronic technician and can resolder components if you can point me to the correct circuit.Any help would be appreciated before I open up the TV.

Current Answers

Answer #1: Posted by waelsaidani1 on January 2nd, 2016 10:16 AM
This answer was accepted by the poster of the original question.
waelsaidani1

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Related Toshiba 40G300U1 Manual Pages

Owners Manual - Page 1

... page10. Refer to these numbers in the spaces below. Model number: Serial number: HDA51D4600I @(6@&/"$PWFSQEG Owner's Manual Integrated High Definition LCD Television HIGH-DEFINITION TELEVISION $ . : 40G300U1 $. 40G30U1 .: $: 46G300U1 $.: , 46G30U1 For an overview of your TV. Note: To display a High Definition picture, the TV must be receiving a High...
Owners Manual - Page 2

...Flat panel displays that are mounting the display is appropriate. Flat panel displays can become excited while watching a program, especially on a "larger than a UL Listed wall bracket appropriate for the size and weight of this television for installation. WARNING RISK OF ELECTRIC SHOCK DO NOT OPEN...SAFETY: It Makes A Difference How and Where You Use Your Flat Panel Display Congratulations on...
Owners Manual - Page 3

...heed all times. • Keep the product away from the damaged television. A polarized Wide blade plug has two blades with the plastic ...on an unstable cart, stand, or table. The LCD panel inside a wall or similar enclosed area. 22) Never ... or modifications may reduce the product lifetime or result in any ventilation openings. Install in damage. 18) WARNING: • To prevent the ...
Owners Manual - Page 4

...make...television...panel surface (the TV screen) using the on the apparatus. 27) Never block or cover the slots or openings...circuits. • Never attempt to install any home theater component... connected to the floor. 24) To avoid damage to this equipment from the hook(s) on the rear of the TV to a wall stud, pillar, or other place with poor ventilation. Sturdy strap (as short...
Owners Manual - Page 5

... other component connectors from the TV as indicated below . (continued) 5 @(6@&/"JOEC Note: Extreme care should always be exposed to direct sunlight, such as in the LCD panel contains a small amount of the LCD Panel face down on a flat, cushioned surface such as described in death or serious injury. When selecting a location for the television, avoid...
Owners Manual - Page 6

... TV VESA Mounting Pattern 46" TV VESA Mounting Pattern Four screws Hook Sturdy strap (as short as possible) CAUTION: Always place the TV on the floor or a sturdy, level, stable ...pedestal stand from the hook(s) on a flat, cushioned surface such as possible) 6 @(6@&/"JOEC Make sure the strap is tight, secure, and parallel to the LCD panel. 2) Remove the four screws shown in ...
Owners Manual - Page 7

.... • MPEG Layer-3 audio coding technology licensed from a normal... 40G300U1, 40G30U1, 46G300U1, and 46G30U1 Televisions comply... with Part 15 of joystick at an onscreen target may not work with this TV. Operation is subject to these symptoms. 1) An afterimage (ghost) may appear on a circuit...short period of time. 2) The LCD panel contained in a particular installation.
Owners Manual - Page 8

...57 VOLUME and MUTE controls of Audio ...audio settings features 61 Using the QSound® sound feature 61 Chapter 8: Troubleshooting 62 General troubleshooting 62 Chapter 9: Appendix 65 Specifications 65 Acceptable signal formats for PC IN and HDMI terminals......... 66 Limited United States Warranty for LCD Televisions 67 Limited Canadian Warranty for Toshiba Brand Flat Panel Televisions...
Owners Manual - Page 11

... digital audio and uncompressed digital video from an HDMI device or uncompressed digital video from a DVI device. The side panel A/V ... the volume level. 9無 INPUT - Repeatedly press to change the channel (programmed channels only;  page 31). 1 8無 VOLUME tu ...1: Introduction TV front and side panel controls and connections Model 40G300U1 is on-screen, these buttons function...
Owners Manual - Page 14

... 3 or 4 (whichever channel the Cable box output is prohibited under the Copyright Laws of television programs, videotapes, DVDs, and other devices, see Chapter 3. Use the Cable box controls to...and antenna, Cable TV or Camcorder Camcorder AUDIO OUT L R VIDEO TV back panel From Cable TV or From Cable TV antenna Cable box IN CH 3 CH 4 OUT Stereo VCR VIDEO AUDIO L R IN CH 3 CH 4...
Owners Manual - Page 15

...audio cable only. • standard audio cables • component video cables −− You can be used with component video You will provide the best picture performance (1080p is prohibited under the Copyright Laws of television... ColorStream® (component video), a VCR, and a satellite receiver From satellite dish TV back panel From antenna Stereo VCR VIDEO AUDIO L R IN CH...
Owners Manual - Page 18

...feature" on the TV's remote control and open the Sound menu. 3無 Highlight Audio Setup and press . The PC IN ...panel To control the audio: 1無 Turn on the TV and the digital audio device. 2無 Press on page 50). (continued) @(6@&/"JOEC THIS DAMAGE IS NOT COVERED BY YOUR WARRANTY. •• The DIGITAL AUDIO OUT terminal may not work properly, creating...
Owners Manual - Page 28

To open the main menus (illustrated below and on the remote control or TV control panel. Icon Picture Sound Preferences Locks Setup Item Mode Picture Settings Noise Reduction Game Mode Theater Settings Digital Audio Selector Audio Settings Advanced Audio Settings Audio Setup CC Selector Base CC Mode Digital CC Settings Input Labeling Channel Labeling Menu Language Channel Browser...
Owners Manual - Page 44

... the language option under Audio Setup ( "Selecting stereo/SAP broadcasts" on page 45). To select closed captions: 1無 Press and open the Sound menu. 2無 Highlight Digital Audio Selector and press . ...8226;You cannot set in the following order: 1/2 Mute Mute Volume If the closed caption mode is set the volume to the current Base CC Mode setting. To customize the closed...
Owners Manual - Page 46

..., Front (Control) Panel Lock, GameTimer, and New PIN Code features. If you can use the Dolby Digital Dynamic Range Control: 1無 Press and open the Sound menu. 2無 Highlight Audio Setup and press .... code and press . Enter the code again and press . When Standard is selected, the audio is now active. The new PIN code is output with minimal compression. 4無 To save...
Owners Manual - Page 50

...open the Sound menu. 2無 Highlight Audio Setup and press . 3無 Press  or  to select PC Audio and then press  or  to output or mute the sound from a PC on the TV screen. Yes: When viewing the PC input, the audio from center.* Sampling Clock Helps to make... panel for about 10 seconds until the volume icon appears. Setting the PC Audio This...
Owners Manual - Page 53

...content stored on the screen, press to open the Quick Menu. 2無 Press &#...format: Video: MPEG2(PS) NTSC MPEG2(TS) SD Audio: LPCM / MPEG1-Layer1 MPEG1-Layer2 / MPEG2 Layer2 ...be displayed. This TV can adjust the SOUND menu functions from 32 to 320 kbps Maximum...rate: from the QUICK menu. repeatedly. • To adjust volume , press / Note: During playback, you have to first ...
Owners Manual - Page 62

... may help synchronize the sound to try the control panel buttons. Poor color or... Cable TV), you select that has a programmable audio delay feature, use the Restore Factory Defaults procedure ... If you can try using a VCR, make sure the Input Lock is connected to an...in rare instances, when viewing certain content (e.g.. television broadcasts, video games, DVDs), you notice this...
Owners Manual - Page 65

Television System NTSC standard ATSC standard (8VSB) Digital Cable (64 QAM...Audio Power: 40G300U1/40G30U1: 10 W + 10 W 46G300U1/46G30U1: 10 W + 10 W Speaker Type: Two 1-5/8 × 6 inches (4 × 15.2 cm) Video/Audio Terminals VIDEO/AUDIO INPUT: VIDEO: 1 V(p-p), 75 ohm, negative sync. lbs (21. AUDIO: 150 mV(rms) (30% modulation equivalent, 22 k ohm or greater) ColorStream® (component...
Owners Manual - Page 68

... Canada Limited ("TCL") makes the following limited warranties to original consumers in writing by TCL, and service made necessary by TCL to the Television not approved in Canada...(4) Removal and reinstallation of product that is authorized to the product for Toshiba Brand Flat Panel Televisions Toshiba of the United States or any manner whatsoever. Repair of these warranties in such...

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