Sunday, November 27, 2016

Philco PH32M LED LCD TV Power supply and audio output section schematic

Used ICs: JRC4558, TDA7266SA, NCP1606B, LD7531, 5A500V[FET], SG3525, LM358, 
Audio output
SMPS [Click on the schematics to zoom]

Thursday, November 24, 2016

CL21N11MJZXXAX Samsung DIGITAL TELEVISION RECEIVER Circuit diagram - Chassis : KS9A(N)

Used ICs: TDA9352PS/N21/3-OTP, 24C04, LA6510, 346VF2(Infrared sensor), KA5Q0765R | KA5Q0740RT(120v) | KA5Q0765RT (220V), KA7632, FCA173B(FBT), NJM2235D, AN7522N, MSP3425G-B7 and TDA6107Q [NTSC system – North America, South Central America and Mexico]
FOCUS Adjustment
1. Input a black and white signal.
2. Adjust the tuning control for the clearest picture.
3. Adjust the FOCUS control for well defined scanning lines in the center area of the screen.
Factory Adjustment
To enter the “Service Mode”, Press the remote-control keys in this sequence :
- If you do not have Factory remote-control
Picture OFF > Mute > 1 > 8 > 2 > Picture ON
- If you have Factory remote-control
Picture ON > Display > Factory
Circuit diagram
Click on the circuit diagrams to magnify

Wednesday, November 23, 2016

Sony HCD ZUX9 circuit diagram - MINI Hi-Fi COMPONENT SYSTEM - US Model, E Model, Australian Model

ICs Used: STK412-150C – IS81LV6416-10TLT[S-RAM] – TMP92CD28AFG[USB controller] – M30624MGP-B33FPU0(US) or M30624MGP-B34FPU0(Except US)[System control] – M61537FP-RF0G(Rec-Playback AMP) – BH2210FV-E2 
Click on the pictures to zoom in
AUDIO POWER SPECIFICATION
(US model only)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 6-ohm loads, both channels driven, from 120 Hz – 10 kHz; rates 160 watts per channel minimum RMS power, with no more than 10 % total harmonic distortion from 250 milliwatts to rated output.
Amplifier section
The following are measured at US model:
AC 120 V, 60 Hz
Other models:
AC 120, 220, 240 V, 50/60 Hz
Front/Surround speaker Power Output (rated): 160 W + 160 W (at 6 Ω, 1 kHz, 1% THD)
RMS output power (reference): 250 W + 250 W (per channel at 6 Ω, 1 kHz, 10% THD)
USB board schematic
Transformer board schematic
Main board schematic
Power amplifier board schematic

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

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

Circuit diagram and PWB

Click on the pictures to zoom in

Wednesday, October 19, 2016

Sony ST S333ESG FM stereo FM/AM tuner circuit diagram

Circuit diagram (Click on the diagram to magnify)