Unlike the RCA you can unsolder the clock and data pins 5 &6 if the EEPROM is bad and the set will operate Robert tvservice@xxxxxxxxxxxxxxxxxxx H & H Electronics Inc ----- Original Message ----- From: "Jim Myers" <jr.myers@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Monday, September 30, 2002 1:36 PM Subject: [TechAssist] Re: Panasonic CT27G6E AP362/ Dead, No voltage on scan and data lines. > > Walter, looking at CT27G5B schematic pins 5 and 6 of the eeprom both have a > 4.7K pullup resistor connected to the 5v source. Looks like they should sit > at 5 volts and have negative going data and clock pulses when buttons are > pressed just like the RCA sets, probably the same eeprom. Pins 1,2,3,4 and 7 > are grounded. Your data and/or clock lines are probably being pulled low by > something on the I2C bus. > Jim Myers > Since 1972 > Telrad Electronic Services Co. > Fort Wayne, IN 46815 > jr.myers@xxxxxxxxxxx > 260-432-4486 Fax and Voice > Fax is always on > ----- Original Message ----- > From: "walter wood" <wwood_38478@xxxxxxxxx> > To: "Tech Assist" <techassist@xxxxxxxxxxxxx> > Sent: Monday, September 30, 2002 11:00 AM > Subject: [TechAssist] Panasonic CT27G6E AP362/ Dead, No voltage on scan and > data lines. > > > > Let me try this again. I don't seem to get much > responses on questions ask late on Fridays. > > > The 5vcc on pin 8 of the eeprom is there but > > there > > is no voltage on pins 5 and 6, the scan and data > > lines. > > Shouldn't there be about 4.7vdc there?? > > I'm open for suggestions, as I have resoldered > > the > > relay, and everything else that looked the least > > bit flakey. > > Set was intermittent, but I haven't got it to > > come > > on at all lately. > > Thanks > > Walter > > > > ===== > Walter Wood > Future Tech Home Center > 2786 Hwy. 43 N. > Lawrenceburg Tn. 38464 > 931-829-3337 > Fax 931-829-4044 > mailto:wwood_38478@xxxxxxxxx > > __________________________________________________ > Do you Yahoo!? > New DSL Internet Access from SBC & Yahoo! > http://sbc.yahoo.com > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > To CHANGE your email address, click here: > http://www.techassist.net/forms/change.html > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ > > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > To CHANGE your email address, click here: > http://www.techassist.net/forms/change.html > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ > ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.techassist.net/forms/change.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/