[TechAssist] Re: Philips Model 27PT543S37A Chassis L01.1U
- From: "John Conti" <contitv@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 23 Dec 2005 12:11:53 -0600
Bob, Thanks for all that information, I will put that all in my files and
let you know the outcome.
John
Conti'sTV
Texas
>From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: Philips Model 27PT543S37A Chassis L01.1U
>Date: Fri, 23 Dec 2005 11:40:30 -0500
>
>Power Supply Kit
>KIT PART NUMBER 4835 310 57575
>
>ITEM DESCRIPTION PART NUMBER
>
>1500 T4 fuse 2422 086 10869
>
>3523 100 ohm fuse 2306 204 03101
>
>6523 diode 4835 130 37048
>
>6560 FS diode 9340 555 59127
>
>7515 Opto Coupler 9322 140 14667
>
>7520 control IC 9352 673 56112
>
>7521 power FET 9322 160 72687
>
>7522 transistor SMD 3198 010 42030
>
>Installation Note 1715990605
>
>
>
>Horizontal Kit
>KIT PART NUMBER
>
>4835 310 57577
>
>
>ITEM DESCRIPTION PART NUMBER
>
>1500 T4 fuse 2422 086 10869
>
>6460 FS diode 9340 559 50112
>
>7460 H OUT BU4508DX 9340 550 92127
>
>Installation Note 1715990607
>
>
>
>Vertical Kit
>KIT PART NUMBER
>
>4835 310 57582
>
>
>ITEM DESCRIPTION PART NUMBER
>
>2244 100n 63v 2222 370 76104
>
>2252 1n 25v SMD under 3244 3198 016 31020
>
>2253 1n 25v SMD under 3249 3198 016 31020
>
>2474 2n2 50v SMD to pin 1 of IC7471 4835 122 87083
>
>3474 2K2 3/5 watt 2312 915 12202
>
>3479 2K7 SMD to pin 9 of IC7471 4822 117 12955
>
>3488 4R7 fuse 4835 110 47023
>
>6487 FS diode 4835 130 37094
>
>6470 FS diode SMD 4835 130 37583
>
>7471 TDA8359J Output IC 9352 701 64112
>
>Installation Note 1715990611
>
>
>
>
>Symptom:
>(one or a combination):
>Failure of Horizontal Output Transistor 7460 and/or Driver Transistor 7461
>Will not start at turn on.
>Will start but picture is small
>Replacement 7460 may run at excessive temperature.
>
>
>Cause:
>Open (or partial open) capacitor 2455, a 47uF at 25 volt lytic.
>
>Resolution:
>Replace 2455 using part number 3198 025 34790
>
>Applies To:
>20DV6932/37R, 20DV693R01, 20DV693R02, 20MS334R/37, 20MS334R01, 20PT633R/37,
>20PT633R/99, 20PT633R01, 20PT643F/35R, 20PT643R/17, 20PT643R/37,
>20PT643R/99, 20PT643R01, 20PT643R17, 20PT653R/37, 20PT653R/99,
>21PT6331/44R,
>21PT633R85C, 21PT6431/44R, 21PT643R85C, 21PT643R99, 24PT633F/35R,
>24PT633R/37, 24PT633R37, 24PT633R99, 25LT220L/17, 25LT421L/17, 25PT533S37C,
>25PT533S99, 25PT633R85C, 25ST220L/17, 27DV693R37A, 27LT220L/17,
>27LT621L/17,
>27LT621L17C, 27MS3404/17, 27MS4504/17, 27PT541S37A, 27PT543F35A,
>27PT543S37A, 27PT543S99, 27PT563S37A, 27PT633R37C, 27PT633R99, 27PT643F35A,
>27PT643R/37C, 27PT643R/97A, 27PT643R37A, 27PT643R99, 27PT663R37A,
>27PT663R37C, 27PT663R99, 27ST110P/35, 27ST220L/17, 27ST220L17, 27ST230P/35,
>27ST240P/35, 27ST420L/17, 27ST421L/17, 28PW6532/85R, 29DV6931/85R,
>29DV693R85A, 29DV693R85C, 29PT543S44A, 29PT543S85A, 29PT563S85A,
>29PT633R85A, 29PT633R85C, 29PT643R85A, 29PT6631/44, 29PT663R85A,
>29PT663R85C, 29PT663S85A, 30DV693R37A, 30PW633F35A, 30PW633R37A,
>30PW633R37C, 32LT621L/17, 32PT541S37G, 32PT543S37A, 32PT543S37G,
>32PT543S99,
>32PT553S37A, 32PT553S37G, 32PT553S99, 32PT563R85G, 32PT563S37A,
>32PT563S37G,
>32PT633R37D, 32PT633R99, 32PT663R37A, 32PT663R99, 32PW633R85C, 32ST220P/17,
>32ST230P/35, 36ST220P/35, 36ST230P/35, L01.1U AC, L01.1UAC, MS3252S431,
>MS3652S427
>
>
>
>Symptom:
>A small number of this chassis which do not use
>E-W transistor 7400 may show a symptom of no horizontal
>deflection. There will be a single line from top to bottom of
>the CRT.
>
>
>Cause:
>Open capacitor 2462 near the horizontal output
>transistor 7460. Part of the capacitor may be missing.
>
>
>Resolution:
>Replace using ONLY 2022 333 00084.
>Also always resolder the leads of diode
>6461 just to the rear of the chassis from 2462.
>
>MODELS INVOLVED USING L01.1U AC CHASSIS ARE:
>25PT533S 27PT543F
>27PT541S 27PT563S
>27PT543S
>
>
>Applies To:
>25PT533S37C, 25PT533S99, 27PT541S37A, 27PT543F35A, 27PT543S37A, 27PT543S99,
>27PT563S37A, L01.1U AC
>MODELS INVOLVED USING ITV L01.1U AC CHASSIS ARE:
>25LT220P/17 27ST220L/17 27ST230P/35
>25ST220L/17 27LT220L/17 27ST420L/17
>25LT421L/17 27ST110P/35 27ST421L/17
>
>
>
>
>Symptom:
>FOR IMPROVED RELIABILITY When servicing the L01.1U AC chassis
>that uses 25 inch and 27 inch standard curved face CRT's always
>examine capacitor 2462 located near the Base lead of the Horizontal
>Output transistor 7460.
>
>
>Resolution:
>If 2462 is a small blue or orange part replace it with 2022 333 00084. Use
>no other
>part here.
>
>Always resolder the leads of capacitor 2462 and the leads of diode
>6461 just to the rear of the chassis from 2462.
>
>The following models using the L01.1U AC chassis are involved:
>
>25PT533S 27PT543F
>27PT541S 27PT563S
>27PT543S
>
>
>Applies To:
>25PT533S37C, 25PT533S99, 27PT541S37A, 27PT543F35A, 27PT543S37A,
>27PT543S99,
>27PT563S37A, L01.1U AC
>
>
>
>Bob Waterman, CET® #RI-28
>Master Technician License #9109
>Service Manager / Parts Manager
>Gemini Computer, TV, & Security Alarms
>(508)695-7302
>(508)695-7769 FAX
>geminitv@xxxxxxxxxxx
>
>
>
>----- Original Message -----
>From: "John Conti" <contitv@xxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Friday, December 23, 2005 10:23 AM
>Subject: [TechAssist] Philips Model 27PT543S37A Chassis L01.1U
>
>
>Is there A Horz. kit for this Model. I have one for the 27pt5441/37 and its
>p/n 4835 310 57673 but thats for the L04.1U. Can I use this kit for the
>L01.1U. Set Has Shorted HOT and 7461 looks very over heated.
>
>Thanks
>
>John
>Conti'sTV
>Texas
>
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