Intrepid Video & Electronics

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Please note I plan on adding more pages and separating TV help, from VCR help, and so on. Tips will be added to my site. There are unlimited possibilities. This is strictly voluntary, on my part. Please visit the links, I have, and register where appropriate.

Click on a link to download or view the information.

Most files require WinZip to open. Some require Adobe Acrobat to view.

Click here to download free WinZip--Click here to download Acrobat viewer

{NEW} TV technical help

HOME--About Us--Technician's page--Email--The funnies

More repair manuals (monitors)
Service Manuals and User Manuals, Repair Manuals and Schematics
Download electronic TV and Projection schematics.

VCR database

nControl! Service Management Software

Tritronics Inc is the website to check out. Excellent searching capabilities, you immediately see if the part is in stock, you also see other parts they cross to, if available. Don't know the part number? NO PROBLEM! Just enter the model number and they list every part available with part numbers and price. Order online, check their price online. Click the logo to the right to request your catalog. Tritronics, Inc. Consumer Electronics Parts and Accessories!

Click here for information on joining the tech email list

Need help on troubleshooting that TV? Click here for helpful information and downloads

Camcoder_Info.zip

ESR meter hints

Nicad batteries info

SMPS info

View a schematic of switch-mode power supply

HI-FI VCR details

Zenith bulletin for VR series LED replacement

Mitsubishi TV service tip, vert defl failure(IC401)-33kb

Service tips, V10, V10B power supply repair procedure (1)--72KB

Service tips, V10, V10B power supply repair procedure (2)--33KB

Electronics repair, service manual and schematics diagram.

http://www.agtannenbaum.com/catalog.html 20.00 manuals or sell yours to them

http://www.electronic-servicing.com/

To reset Gemstar on RCA:

Here's a link to another tech email list
Tech Assist TV and Electronics Repair Tips Databases

Online Semiconductors Capacitors & Voltage Regulators Parts Search B&D enterprises

CRT scratch removal

Philips 25F8 error codes

Nostalgia Air Vintage Radio References

BAMA Here you will find information on equipment that was intended primarily or equally for the amateur or swl market

Triode Electronics: On Line Schematics Index Electron Tubes & Tube Amplifier Parts

RadioLocman- Electronic resources and schematics for engineers and amateurs

Mitsubishi PIP modification

Camcorder batteries

VCR smps procedure

VCR Formats

VCR servos

Microwave oven tips

PCB and cabinet crack repair

European semi numbering system

Sony Codes

Sony TV service menu

JVC Codes (zip file for VCR codes)

Mitsubishi models and modification kits(TV's)

CTC175,CTC176, CTC177 solder repair service bulletin

Links to specs on transistors.

VCR MODELS COVERED BY YEAR 2000 EXCHANGE PROGRAM \par EFFECTIVE 2/1/00

Modification for RCA PTV HV Block

Fast check for Sony power supplies.KV27TS36(and others)

Samsung service menu

RCA tuner wrap instructions

Consumer Audio Information (Schematics and parts list)

Nostalgia Air Schematics: Original Riders Index Online!

ESR meter page Assembly notes for Dick Smith ESR meter

Dick Smith Electronics - New Zealand Your source for ESR and FBT (ringer) kits and more.

Flyback wrap instructions

The following are tips from Clint Hamilton that he has saved in email format (Outlook express). Click on his name for great prices on computer equipment, peripherals and more.

They are zip files that list the fixes for various TV's and VCR's. These are not in any order, but feel free to download them and save them in a format that you can organize them.

----TIPS2------TIPS3--------TIPS4-----TIPS5

From Bil Green, subbing unlisted transistors

Bil has put together a list of generic subs for 300 ECG transistors and diodes. These subs are exactly the same, not just similar. Save hundreds of dollars using the generic equivalent. Keep checking here as I get more information.

Horizontal output circuit testing, special "universal" subs, super easy diode subbing, make a darlington and more. (Price to be determined soon!)

Testing capacitors

Testing semiconductors

ECG Cross reference

SK cross reference

Fixer.com VCR lay-outs

View the layout of the top and bottom deck of many VCR's, also order parts for some units.

More VCR lay-outs from DIY VCR parts

Actual pictures of the top and bottom of VCR's. Order VCR parts from this site.

Elmswood Guernsey electronics repair database

Search for tips, enter your own tips. Database includes tips for TV's, VCR's, microwaves, answering machines, computers and more.

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Microwave oven repair

For help on Microwave oven repair, feel free to email don at fixitusanh.com

Date: Thu, 14 Oct 1999 15:27:10 -0400
From: "Dwight's TV" <
dwightstv at simflex.com>
Subject: Microwave Repairs

Hi All,
I saw some microwave repair tips so I thought I'd
mention a couple of tests that only take a few seconds
and are very informative.
Draw your own conclusions from the test results.
Run microwave for 5 seconds. Unplug AC and Immediately
short the HV cap. Looking for good POP. (normal)
While running the microwave, hold a screwdriver very close
to the HV transformer metal core ( not the windings). You can feel
the 60
hz vibration through the screwdriver.
Sometimes it is quite strong. You can feel
when defrost cuts on and off.

Jim
TOP


Sony codes

SYMPTOM
WHEN A PROBLEM OCCURS RELATING TO CASSETTE LOADING/
UNLOADING, CAM MOTOR ROTATION, DURM ROTATION OR REEL ROTA-
TION, AN EMERGENCY CODE IS SHOWN IN THE H:M:S FLUORESCENT
DISPLAY.

SOLUTION
THE EMERGENCY CODE IS SHOWN IN THE SECONDS COLUMN AND SHOULD
BE READ AS FOLLOWS:

00 NORMAL
01 ABNORMAL T REEL ROTATION
02 ABNORMAL S REEL ROTATION
03 ABNORMAL DRUM ROTATION
04 ABNORMAL FOWARD CAM MOTOR ROTATION
05 ABNORMAL REVERSE CAM MOTOR ROTATION
06 ABNORMAL CASSETTE LOADING
07 ABNORMAL CASSETTE UNLOADING

THESE CODES ARE CLEARED WHEN AC IS REMOVED OR WHEN ANOTHER
FUNCTION BUTTON IS PUSHED.

Thanks to Ponderd at aol.com

TOP


Mitsubishi Modification kits

Here is the list of models and modification kits

V-10 CM-KIT V-11 B-1 KIT V-12 P-2
KIT

VS-4001R VS-4007R VS-4517S
VS-4003R VS-4506R VS-5016R
VS-4501R VS-4507R VS-5017S
VS-4502R VS-5005R VS-50VF1
VS-4503R VS-5006R VS-50VF2
VS-5001R VS-5007R VS-50VX2
VS-5002R VS-5021R VS-50VX3
VS-5003R VS-50VX1 VS-6017R
VS-5004R VS-6004R VS-6026R
VS-5010R VS-6021R VS-60VF2
VS-5020R VS-7004R VS-60VX2
VS-6002R VS-60VX3
VS-6015R VS-7017R
VS-7001R VS-70VF2


The reason for the modification kits is to prevent burn lines in the
crts
Thanks to John Ritchie

TOP


SPECS

MAKE SURE TO GET A COPY OF THE JAPANESE
TRANSISTOR SPEC AND SUB BOOKS! There are
also a few good web sites with specs. Hundreds of
American and Japanese semiconductors.

http://www.semicon.toshiba.co.jp/seek/us/td/99kataban/20016.htm
http://members.tripod.com/~Malzev/comp/transist.htm
http://www-eu2.semiconductors.com/search/
http://www.donberg.ie/warehs/group14.htm
http://www.tvaudio.co.za/transistors/transistors_01.htm

Thanks for the info Bil Green


VCR MODELS COVERED BY YEAR 2000 EXCHANGE PROGRAM
EFFECTIVE 2/1/00
SVB106AT
VPB115AT
VCB411AT*
VCB611AT*
VRB411AT
VRB413AT
VRB461AT
VRB611AT
VRB612AT
VRB613AT
VRB614AT
VRB615AT
VRB661AT
VRB664AT
VRB665AT
VR201BMG
VR400BMG
VR401BMG
VR600BMG
VR601BMG
VR602BMG
VR660BPH
VR810BPH
VR960BPH
VR1010BP


Modification for RCA PTV HV Block

On the old HV Block, cut the 2 ground wires, leaving sufficient length from the
connector end so these wires can be spliced onto the ends of the ground wires on the
new HV Block. On the New HV Block, cut the 2 ground wires near the 4-pin connector
and discard the connector. Strip down the insulation, noticing that one of the
wires has a shielding. This shielded cable (both the shielded wire and the
shielding) should be spliced to one of the wires with the ground connectors at the
end (that was removed from old HV Block) for connecting to ground in the PTV. The
other single wire should be spliced to the other wire with the ground connector at
the end (that was removed form the old HV Block) for connecting to the other ground
in the PTV. Both of these grounds are connected to the same ground on this model
PTV. For Splicing, it is best to use heat shrink tubing over a soldered connection. The turn twist-lock connector leading from the flyback will have to be screwed
onto the single input of the new HV Block until electrical connection is made
internally. This twist-lock connector usually splits apart but if you hold it
firmly in place and wrap a small tie-wrap around it, tightening the tie-wrap should
hold it firmly in place. The new HV Block has a spring-loaded connection down
inside that needs slight pressure to hold the connection together. The 3 high voltage outputs to the CRTs use the same screw-type connectors on the new
HV Block. The 2 mounting screws should mount the same as the old HV Block. I have used this method for many RCA and Hitachi PTVs and all have been successful.
Thanks to Robert Ford


Fast check for Sony power supplies.KV27TS36

This is a fast check for Sony power supplies. The important thing to
remember about these supplies is that it is a push pull amplifier. The load
across the 2 transistors must be close to equal or it will self-destruct.
The frequency is the regulating part of the equation. They are designed to
start at a high frequency out of resonance and be pulled lower by the
regulator toward resonant frequency to achieve proper regulation. The supply
will oscillate at very low voltages and this is the only way to check them
out.
After doing the usual repair of transistors and I generally include the
damper diodes (you can use Sony parts but they are subbing to a 1N5401). If
you don't know why the supply blew up, check the Horizontal output and look
for rings around the driver transformer.
First pull the relay RY602. This will prevent the set from trying to power
up during repair and testing.
Monitor the voltage at Q601 collector or R607 is just as good.
Scope Q602 collector for waveform and DC voltage. Lower the AC voltage to 20 volts DC. The supply should be oscillating and
each transistor should be dropping 10 volts. If that looks good run the DC
up to 40 Volts.
At about 80 volts DC the current drawn by the supply should peek and start
to decline with further increase in voltage. You should also have a nice
square wave of equal duty time with no peeks or ringing. Each transistor
should be dropping 40 volts. You may see a slight bounce in the supply frequency at this time. The
standby is up enough to turn the micro on and the slow start circuit is
trying to bring the run supplies up to full value. Of course this won't
happen with the relay still out. I continue to increase the DC stopping at 150 volts and 200 volts. These
are nice round numbers that are easy to work with. If everything is looking
OK then run the supply on up to full value. You should have 16 volts on
D619 reference to cold ground. The supply is now running at full voltage. If you have fixed all problems
on the secondary side you can reinstall the relay and tune for minimum
smoke.
Thanks to Daniel Mundy


Samsung service menu

1. STAND-BY, MUTE, 1, 8, 2, POWER ON
2. "FACTORY MODE" message will be displayed. The Factory Mode has five
components: Adjustment, MPX adjust, test Pattern, Set Option Byte, and
Factory Reset.
3. Access the Adjustment Mode be pressing the "VOLUME" keys (<,>).
The adjustment parameters are listed in the table.
Select them by pressing the CHANNEL keys (^, v).
4. After completing the Factory Mode adjustments, turn the power off.


To reset Gemstar on RCA:

1. Press menu on the remote
2. Select option 7
3. Select option 1
4. Highlight "setup" & press menu
5. Press "go back" or "prev chan"
6. Press "input" or "who"
7. Press "clear" to exit
8.Unit must be setup again, and allowed to obtain complete download


Sony TV service menu

With the set off.
Display
5
Vol up
Power

Mute and enter to write new data.


Philips 25F8 error codes

Error Codes:
0 =No error
1 =X-ray/overvoltage protection
2 =High beam current(BCI)protection
3 =Vertical protection
4 =I2C error while communicating w/snd processor(IC7833
5 =Signal processor (IC7250)start-up error
6 =I2C error while communicating w/sig processor(IC7250)
7 =General I2C error*
8 =Internal RAM error micro controller
9 =EEPROM configuration error(Checksum error)
10=I2C error,EEPROM
11=I2C error, PLL Tnr
*General error means: no I2C device is responding to the particular bus.
Possible causes: SCL or SDA sht to gnd, SCL sht to SDA, SCL or SDA open at
(IC7600).


Mitsu PIP modification