Thursday, October 6, 2016

BN44 00195 SMPS circuit diagram – For Samsung Syncmaster monitors - 245B – 245B2 – 245BW

Power board schematic - Samsung Syncmaster monitor - 245B
Schematic

Sunday, October 2, 2016

Altec Lansing 353A – power amplifier – vacuum tube type – Circuit diagram - 6L6 - 12AX7

Used tubes – 12AX7 [pre-amplifier, tone control and audio pre-amplifier] – 6L6GC [audio output]
Circuit diagram
Tube pin-out -6L6
Tube pin-out 12AX7

Wednesday, September 28, 2016

LG 26H1DC1 – LCD TV – SMPS circuit diagram

26 inch LG LCD TV - LG26H1DC1 - power board circuit diagram
 SMPS Schematic LG 26H1DC1 – LCD TV
Click on the schematic to magnify

EXA37617801 SMPS– Used with LG42LC7R LCD TV - Schematic

Circuit diagram
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LG Mini Hi-Fi system – CM9740 – NS9740 – SMPS and Power Amplifier schematic

LG 2900W Combo Hi-Fi system CM9740 – Power and Amp: circuit diagram
SMPS schematic
Power amplifier schematic

Tuesday, September 27, 2016

Sansui SV2918 Circuit diagram

Used ICs: STR-F6656 – TCLM13 – TB1240 – 4052 – TA1216AN – TDA2616Q – TA8427K – TA1275A – TDA9181
SV2518 – 64CM
SV2916i – nicam/secam
SV2918 – nicam
SV3418 – 87 cm
PAL BG, I, DK, NTSC 4.43 – NTSC 3.58(AV)
Circuit diagram

Click on the schematics to zoom in

Monday, September 26, 2016

Changhong LT52510F - AOC L52BS83FU -SMPS SCHEMATIC. 715T2919-1. Components: IC901: UCC28019DR-IC902: STR-W6252-IC905: L6599D

Changhong and AOC LCD TV - power supply circuit diagram. 715T2929-1
Schematic
Click on the circuit diagrams to magnify

Sunday, September 25, 2016

Caixa Ativa Digital de 15 inch PV115d Schematic - IRFB31N208D

Peavey – PV1015D – PV115D – PV215D – PV2015D – Circuit diagram.  Used semiconductors: IRFB31N208D – IRS2092 – IR2153D [SMPS control] – IRFB460 [SMPS switching output] – NJM4580
SMPS Circuit diagram
Tone control and power amplifier circuit diagram
Click on the schematics to zoom in