Samsung CL21Z43MQ – Slim TV – Circuit diagram

VCT4942 – 24C161 – LA42032 – LA78045 – FSCQ0765RTS(STR) – FQP6301TSTU(Horizontal output transistor) – FOK14B001(FBT) 

CRT base card

Side AV

SMPS and deflection

Syscon-Chroma

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Panasonic TC L32X5B LCD TV - TNPA 5596 – SMPS circuit diagram

Circuit diagram and PWB

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Sony ST S333ESG FM stereo FM/AM tuner circuit diagram

Circuit diagram (Click on the diagram to magnify)

Telefunken Boombox Stereo Radio Recorder – RC760-PCR22 – circuit diagram

Used ICs: TA7358P – TA7343AP – TA7640AP – TA7648BP – TA7769P

 

Circuit diagram and PWB [Click on the pictures to magnify]

DPS200 Desktop computer ATX power supply schematic

Desktop computer power supply - ATX type Delta

Circuit diagram

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Emachine E19T6W LCD color monitor SMPS circuit diagram 715G1695 1GW

Used ICs: LD7552BS – AM9945N-T1-PF – OZ9938GN - STP9NK65ZFP[FET]

The LCD monitor will contain a main board, a power board and two key boards which house the flat panel control logic, brightness control logic and DDC.

The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.

SMPS and Back-light section circuit diagram [Click on the circuit diagrams to magnify]

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

Power board schematic - Samsung Syncmaster monitor - 245B

Schematic

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