Search This Blog

Thursday, 5 April 2018

BPL FXR 13XB1 – DEG/DDG/DSG Fault Finding -5


Using IC MN15287-9504 as Microprocessor IC, 93C66 as Memory IC, AN5071 as Band Selector IC, KA2919
as Video IF & Sound IF IC, AN5601K as Luminance, Chrominance, Sync Separator, Horiz. AFC, Horizontal &
Vertical Oscillator & Pre-Amp./Drive. IC, AN5521 as Vertical Output IC, Opto-Coupler & 4 Transistors in
Switched Mode Power Supply
IC HCF4053 x 2 as Internal/External TV/AV Switching ic, μPC1891ACY as Surround Sound Control IC,
AN5421 as Sync Detector IC along with 8 Transistors in AV PCB
IC AN5836 as Dual Channel Audio Amplifier With Volume, Bass, Treble & Balance Control, AN7149 as Dual
Channel Audio Amplifier in Sound PCB.
IC MN1458S as Woofer Control IC & IC AN7149 as Woofer Audio Amplifier IC in Woofer PCB

BPL FXR 13XB1 – Only Red Colour Wilth Retrace Lines, Sound Normal BPL FXR 13XB1 –
Only Green Colour With Retrace Lines, Sound Normal BPL FXR 13XB1 – Only Blue Colour With Retrace Lines Sound Normal BPL FXR 13XB1 – Only Secondary Colour Cyan, Red Colour Missingl. Sound Norma BPL FXR 13XB1 – Unly Secondary Colour Magenta, Green Colour MIssingl. Sound Normal BPL FXR 13XB1 – Only Secondary Colour Yellow Blue Colour Missing), Sound Normal BPL FXR 13XB1 –No Colour or Abnormal Colour Picture, Black & White Picture & Sound Nomal  BPL FXR 13XB1 –  No Blue Back When Transmisslon Is off
BPL FXR 13XB1 –No Sound, No Audio, Picture OK

Only Red Colour Wilth Retrace Lines,
Sound Normal

R917(12K/2W), L911(270UH),Q911 (2SC26688) &
related components VR912 (5K), fault
in circuit between pin no. 25 IC 201 & CRT red
cathode, ic201 (AN5301k), CRT red cathode def
CRT base loose or flauty



Only Green Colour With Retrace Lines,
Sound Normal
R907 (12K2W), L901 (2701
μH) Q901 (2SC2688) &
related components, VR902 (5K), fault in circuit
beween pin no. 21 of IC201 & CRT green cathode
IC201 (AN5601K), CRT green cathode def. CRT
base loose or faulty

Only Blue Colour With Retrace Lines
Sound Normal

21 [2SC2588) &
related companents, VR322 (5K), VRS21 (5R)
n circut between pin no, 24 of 10201 & CaT
fault
blue
athede, ic201 (ANSEOIK) dRT blue cathode det
CHT base loose ar laulty

Only Secondary Colour Cyan,
Red Colour Missingl. Sound Norma

Ra18 (3K3), 0911 (2SC2688) C212 (330pF),. F
(150,2),
R915
500Ω)
RS13 (1K8. R914
(1N4 140, Rei 1
1K5), R2741150Ω·fault in arcut
belween pin no. 25 of IC201 & CRT red cathode
1C201 (AN58C1 K), CRT red cathode det. СА" base

Unly Secondary Colour Magenta,
Green Colour MIssingl. Sound Normal

R308 (3K3), 0901 (2SC2688), Ca02 (330pF) R906
(150n), R905 (560), A903 (1KE), R904 (3KG)
VA902 (510. Ra02 (BK2), D501 (1N4148). R901
(1K5), R276 (1500], fault in aircuit hetween pin na. 21
of IC20: & CAT green cathoce, 1C201 (AN5601K)
CTT greer cathode det, GRT ase loose or faulty.

Only Secondary Colour Yellow
Blue Colour Missing), Sound Normal

R327 (3K3) 0921 (2SC2688), C922 (33pP, R928
[1502), R925 (56, R823 (1Ke), RS24 (3Ks)
VR922 (54), VR921 (5K). R922 5K6), D921
[1N4140, Rg21(IKS)
275 1145·fault in circuit
betwsen pin no. 24 of IC201 & CRT bue cathode
IC20: (AN5601K, CRT blue cathode def., CRTbase.

No Colour or Abnormal Colour Picture,
Black & White Picture & Sound Nomal

Antenna & its wire, balunadapter, RF socket, adjust
fine tuning C252 (82pF), R25 (1K8, C251 (32pF)
L251 (56 H, С 253 (QD1NFd), C254 (47MFd)
R250 '1M), check as given in faul: of Colour Control
is Nol Work ng VA151 (1K), C255 (0 01 MFa), C255
(O D1MFd), R252 (390), L252 (8.2H), chroma
de ay line L253, C257 (150pF), T251, C25a-C259
0.01MFd), X251 (B.aeMHz), VC250 12-22pFI, C250
100pF) R255 (1), C235 (2 2MFd). C264-C263
o. MFd). R253 R254 (18K), R291 (2700, D291
Mr1.zenef), С2g1:100MF 1, c266 (INFd, R260
1M5 1C201 (AN5601K) defective

No Blue Back When Transmisslon Is off
R423 100K), R422 (1KS), C433 2sC18:5, R421
(1K5), C434 (2SC1815& reialed components

No Sound, No Audio, Picture OK
Check +22V supply at pinna 10 of IC56, speaker or
its connecion, prono jack faulty, C565-C566
(220CMFa) C563-0360 (47MFd) C557-C558
(100MFd),IC56 (AN7149), C553-C554
0.0068MFd. C555-C536 (1MFcj. F559-R557
127K). L553 (33H), C551 AN5836) & teated
conponents, chack as given in fauit of "Volume
UE Dn Function is Not Working', check Audio circuits
at Sound PCB Woclor PCB AV FCB & Main PCB



bpl tv service manual free download 21 bpl colour tv circuit bpl tv problems solutions bpl circuit diagram bpl tv service manual free download 21 bpl colour tv circuit crt tv problems and solutions crt tv colour problem solutions all bpl crt tv service mode lg crt tv problems and solutions crt tv screen problems bpl tv service menu code lg crt tv problems and solutions crt tv screen problems crt tv colour problem solutions lg crt tv display problem crt tv horizontal line problem how to fix crt television color problem vertical section problems in crt tv how to repair crt tv no picture