Service Manuals, User Guides, Schematic Diagrams or docs for : Philips TV G110 SVHS chassis G110 g110_faults_114

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g110_faults_114


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                                                                 Check C2366 (100 nF; 4822 122 33496).
PhilipsG110At times no picture.
                                                                 Check capacitor C2366 (100 nF; 4822 122 33496).
PhilipsG110At times no synchronization.
                                                                 Check and replace C 2509 (4822 124 40244)
PhilipsG110Bottom fold over
                                                             Check/replace IC 7465 (TEA 5101A/P; 4822 209 73832) Check/replace R3375 (180 Ohm; 4822 111
PhilipsG110Brightness too high/fly-back line visible         30542)
           BUT11AF S.C. AFTER P.SUPP KIT FITTED AND SET CHECK - D6612 , 6614 ( CHECK DRIVE WAVEFORM TO BUT11 , SWITCH ON DELAY PROBABLY
PhilipsG110RUN I                                             MISSING )
                                                             Replace U 1003 (4822 212 23371) non TOP
PhilipsG110Characters wrong                                  Replace U 1003 (4822 212 23519)
PhilipsG110CHOPPER + LINE TRANSISTORS SC                     C2546 8n2 2kv
PhilipsG110Chopper tr blows at sw on even after fitting kit  OK if mains wound up slowly - check on/off sw & Positor in degaussing cct
PhilipsG110Chopper tr blows in st/by - ok when ON            D6646, D6649, Tr7655, Tr7656 & Tr7654 cleared the problem
                                                             Fit mod - 2 x BYD73B diodes in series between b - e of BUT18AF (anode to base). Make sure Tr7654 is
PhilipsG110Chopper Tr BUT18AF fails periodically             BC817 not BC845
                                                             Remove: R3433 and R3430. Modify: R3431 into 100 kohm (4822 051 10404). Add: R3428 - 180 ohm (4822
PhilipsG110Colour drifts to the right using the S-VHS input. 051 10181) between C2432/R3433 and 12 IC7425.
                                                             It is possible that on the G110 chassis a coloured flash may be seen when syncs are interrupted. For
                                                             example when changing channels or on VCR playback in "still" or "search" modes. In the case of home video
PhilipsG110Coloured flash on channel change and VCR features recordings, the edit points may be marked by a
                                                             Service solution: Mount a resistor of 220k ohms in parallel with capacitor 2349 and replace resistors 3891,
                                                             3892 and 3922 by 1k2 ohm types.
PhilipsG110Coloured spots in picture (local dooming).        Modification introduced in products. Sets with production number QG05/AG04.
                                                             Replace IC7770 (ST24C02CP; 4822 209 62098)
PhilipsG110Contents of memory lost                           Mount metal shielding 4822 466 82781 on IC7720 with earth to R 3738
PhilipsG110Continuous page header display in subtitle                 Change text IC to type MAB8461P/W196 part No4822 209 62479
                                                                      Diode 6335 defective (4822 130 80446).
PhilipsG110Contrast adjustment inoperate, colour tails
                                                                      1) Add a SMD capacitor of 1nF - 5322 122 31647 between pins 3 and 4 of connector 20G of the CRT
                                                                      panel.2). Add C2336 - 1nF - 5322 122 31647 between pins 3 and 4 of connector 14G on the mono carrier.
PhilipsG110Contrast variations with subtitling in sets with BL-CRT.   Modify R3715 into 220k - 4822 051 10224. Adjust PP valu
PhilipsG110Dead - 140v rail down.                                     Change rectifier diodes - may check Ok when cold!
PhilipsG110Dead - BUT18AF s/c in psu                                  Flyback tuning cap C2546 8n2 2kv low value and EHT lead s/c
PhilipsG110Dead - psu ok on dummy load                                C2546 8n2 & C2550 390nF in LOP stage
PhilipsG110Dead - s/c in lop stage                                    Scan coupling cap C2550 390nf 250v s/c & bulging
           DEAD BUT POWER SUPPLY WORKS ON DUMMY
PhilipsG110LOAD . OR LIN                                              C2546 8n2 C2550 390nF
PhilipsG110Dead chopper transistor s/c.                               Also change CNX83A optocoupler part No.4822 130 82034
PhilipsG110DEAD FUSE SHATTERED                                        FIT POWER SUPPLY SERVICE KIT
           DEAD HT LOW AT 20v ISOLATE PIN 3 LOPT + SET
PhilipsG110STARTS                                                     SHORT ON 12v RAIL OR POSS Q7284
PhilipsG110Dead -PSU rep kit fitted; HT low at 40v                    R3616 100R risen to 1k
PhilipsG110Dead with electronic trip operated                         To dis trip remove R3660 - this resulted in E-W dist; T1534 315mA Wickman fuse o/c

                                                                      Remove connector G15 and connect lamp to +148V. Lamp does not burn.
                                                                      Replace TS7625 (BUT18AF; 4822 130 61407) Build-in SOPS repair kit (SBC7020) Apply at the same time 2
PhilipsG110Does not function                                          diodes (BDY73B; 4822 130 60778) in series between basis and emittor of TS7625 (anode
                                                                      Replace IC 7720 (TMP47C634N-2475; 4822 310 31844)
PhilipsG110Does not function well                                     Important: also mount metal shielding with earth to R 3738
PhilipsG110F2 error & no sound                                        check 9v supply to NICAM board
PhilipsG110Field bounce/rolling                                       C2465 220



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