Friday, October 28, 2016

Sanyo C29LF41 - CRT TV circuit diagram

Sanyo C21LF41, Sanyo C21LF41B. 
PhilcoPF2127, PF2107, PS2117. 
NisatoTVZ2001M. 
Stell Home SHT212F.
Diplomatic GMTV114M, GMTV210M, GMTV12. 
Noblex 14TC669,20TC670, 21TC671F, 21TC672F, 21TC674.
Used ICs: QXXAVC570 = STR-W6753, SE130NH, LA78040N / B / E, LA42032E, CXA2234QP,QXXAVC890 = LA76931ADE58S / E
SMPS split
Full circuit diagram

Monday, October 24, 2016

RCA Victor C-2 and C- 3 series – Valve radios circuit diagram

RCA RC1188B – RCA RC1188D Chassis – Used tubes: 12BE6 – 12BA6 – 12AV6 – 5OC2 - 35W4
Circuit diagram
Click on the picture to magnify

Sunday, October 23, 2016

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
Click on the schematics to zoom in

Thursday, October 20, 2016

Wednesday, October 19, 2016

Monday, October 17, 2016

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]

Monday, October 10, 2016

DPS200 Desktop computer ATX power supply schematic

Desktop computer power supply - ATX type Delta
Circuit diagram
Click on the schematic to magnify

Saturday, October 8, 2016

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]

Thursday, October 6, 2016

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