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Thursday, 5 April 2018

BPL FXR 13XB1 – DEG/DDG/DSG Fault Finding - 6


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 DualChannel Audio Amplifier in Sound PCB.
IC MN1458S as Woofer Control IC & IC AN7149 as Woofer Audio Amplifier IC in Woofer PCB

BPL FXR 13XB1 –No Dicture. NO Sound, No Snow, Raster OK BPL FXR 13XB1 –No Picture, No Sound, Only Snow or Picture With Snow BPL FXR 13XB1 –Total Sync Loss, Sound Normal BPL FXR 13XB1 –Rolling or Diagonal Bard, Sound OK BPL FXR 13XB1 –Vertical Rolling, Sound Normal BPL FXR 13XB1 –Bright Horizontal Line, Sound Normal BPL FXR 13XB1 –Height Less B/or Vertical Non-Linearity &for Vertical Fold-Over Problem, Sound OkBPL FXR 13XB1 –No Sound, Audlo & Picture OK


No Dicture. NO Sound, No Snow, Raster OK
L105, a 101 (25C2216) & related Components
103, C115-C112 (1000pP), R121 (2KT), C121
(56pF, T121, C126 (0.1MFd). 0811 (2SC1815) 8
related components, VR101 (10K), C116 (0.47M
R109 (1K5). IC101 IKA2919) tuner defective.

No Picture, No Sound,
Only Snow or Picture With Snow

Antenna & its wire, balun/adapter, wrong band
na
seleation, adjust tunning, check as given in fault of No
Band Switcning" & "No Tuning", L100 (68uH), c110
(47MFd) tuner det, C105 (100pf). C198
C107 (68p),
108 (2202). C117 (0.01MFd), R10:2
nK. R104 (68Ω), RIOS (220Ω, Q101 (2SC2215,
101 1K2), T101 C109 (10KpP),
(4K7), P103
C111 (0.01MFd), X101. T103 C115-C112
T122. T121, 0811 (2SC1815) & related compcn
0116 (O 47MFd) R. 09 1 K5) VR101 (10k9, c114
ents
A107 (1K5), R111 (27K). C113 (4.7MFdj
IC201 (KA2919) detective

Total Sync Loss, Sound Normal
F233 (330) C47 (4.7MFd, R234 (82K, Ic2n
(AN56C1K) defective
Rolling or Diagonal Bard, Sound OK
hack VA241 (5K). R245 (2K7). R243 (5K1),
244 16600pF), A242 (39), C241 (0.0012MFd),
c242 (1dd0oF), R241 t2K7), C243 (4.7 MFd) R414
412 (7KpF). A415(47) R412 (1K5), R413
(27K). C246 (0.038NFd), 244 (27k), VR242 (50K),
IC201 (AN5601K) defective
Vertical Rolling, Sound Normal
C232 (3.3
Fd,VA232 (10,232 (8K2). 0231
(A1015) & related parts, C233 (0.022). IC AN5601K
Bright Horizontal Line, Sound Normal
24V supply, D452 (ERB12-02) L451 (33HH)
C452 1470MFd), D451 (1N4007), C451 (220MFd)
ICA51 İAN5521. ver, def. coil or its wire, C462
0.1 MFd), R453 270), C455 (2.2MFd), R430 (1K
sW450, C461 (2230MFd). R462 1102), C454 (IMFd)
C463 (33MFd) R459 (10K) C454 (2200pF), C465
0.1MFd) R452 (15K). R453 (12K, C457 (3 3MFd
R458 (2K71, C456A (22KpF). C458 (0.1MFd), C458
(56 Ω) C231 (1MFd. Q231
2SA10:5) R237 133K). R236 18. F231 122k
VR231 (20K, R232 8K2) VR232 110K, C232
3.3MFd) C233 (0.022NFo), IC201 (AN530- K def
(10KpF, R451

Height Less B/or Vertical Non-Linearity
&for Vertical Fold-Over Problem, Sound Ok

ch еск VR231(20K), less r abnormal +241
supply D452 ERB. 2-02), L451 (33uH) C452
(470MFd), D451 (N4007). 451 220MFd), IC451
AN552). C462 0.1MFd), R463 (270) C455
(2.2MFa) R460 (1 K). Sw45C, C461 2200NFd).
R462 (, C464 1MFd), C463 (33MFd) R459
(10K), C454 (2200pF), C465 (0.1MFd, R452 [15K)
R453 (12K), C457 (3.3MFd) R458 (2KT) C456A
22KpF, C458 (0.1MFd), C456 (10KpF), R451
(580Q), С 231 (1MFd) Q231 :25A1015). R237 133K)
R236 (13K), R231 (22K), vR231 (20K), R232 (EK2)
VR232 (10K), C232 (3.3MFd). C233 (0.022MFc)
IC201 (AN5601 K), vertical deflecton coil (rare).

No Sound, Audlo & Picture OK
F122 (580), C125 (47MFd), X151 (5.5MH2), C15t
C152 14700pF), R15 (1K). C157 (2.2MFd, R110
56K), C153 10.01 MFc), R152 (470Ω) X152
(5.5MHz) R153 (2700), R154 (22k, C155 (5600pF),
C156 (10NFd) R155 (12K). C154 (47MFd), IC101
(KA2919), R172 (3Ks). R150 (10K), c806-C807
22NFd), ICac2 (HCF4053) & related parts, faut in
AV POB, 0435 (2SC1815) & related parts, 1C1551
(AN5836) & related parts, IC561 (AN7143) & re ated
parts, faut in Sound PCB, fault in Woofer 


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