Philips 21PT1663 CRTTV circuit diagram (Schematic)

Philips CRT televison 21PT1663 - Pal - SECAM - NTSC Schematic

Control circuit

CRT base card

Line drive & Output

Multi mono sound amplifier

Sound processing

NICAM decoder

Video processing

SMPS (Power supply)

Phonic performer A540 Active Speaker circuit diagram

Phonic A540 performer wireless  15 inch 400Watts active speaker schematic

Used ICs: NJM4580, TDA7293, IRF840(FET-SMPS)

SMPS [Click on the schematics to magnify]

Amplifier

HF amplifier

Contour (Tone control)

Speaker

Input

Wireless

Sony KLV-37M400A – LED LCD TV SMPS schematic

Used ICs: L6562DTR, DAS01A, DLA001DTR

PCB Top and foil side

Philco PH29E52DG 29 Inch LED LCD TV – SMPS, Backlight, power and LVDS circuit diagram

Used ICs: TEA1733, MT29F1G08ABA, BH3544, AMP5707, MP1495, MP1470, SY8066, 4953, AP9435

Headphone amplifier and Mute circuit

NAND Flash

Audio amplifier circuit

Power

LVDS

SMPS

Back-light inverter

Click on the schematics to zoom in

Rotel RSX 1056, Rotel RSX 1057 Power and amplifier circuit diagram

Rotel SURROUND SOUND RECEIVER RSX-1057
Continuous Amplifier Power (five channels driven)
75 watts/ch (20-20k Hz, <0.05% THD, 8 ohms)
Continuous Amplifier Power (two channels driven)
100 watts/ch (1kHz, <1.0% THD, 8 ohms, DIN)
Power Requirements (AC)
120 volts, 60Hz (USA version)
230 volts, 50Hz (CE version)
Rotel SURROUND SOUND RECEIVER  RSX-1056
Continuous Amplifier Power (five channels driven)
75 watts/ch (20-20k Hz, <0.05% THD, 8 ohms)
Continuous Amplifier Power (two channels driven)
100 watts/ch (1kHz, <1.0% THD, 8 ohms, DIN)
Power Requirements (AC)
115 volts, 60Hz (USA version)
230 volts, 50Hz (CE version)

RSX1056 power schematic

RSX1056 Power amplifier schematic and PWB

RSX1057 Power schematic

RSX1057 Power amplifer schematic and PWB

Philco Britania PB329BT – Circuit diagram and exploded view

Used ICs: M5673D, 1M*16SDRAM, CD5888, PT2314, TDA2822, RDA5807M, F-3088(BT-Module)

Circuit diagram (Click on the schematics to zoom in)

Exploded view

LE32H86 Haier LCD TV – SMPS, Audio output and T’Con schematic

Haier 32 inch LCD TV - LE32H86 - Power supply regulator and T'Con, and Audio output board circuit diagram.  Used ICs: MSH9010, SSC9502S, STR-A6059HMST6M181S 
Service mode Menu > 8 > 8 > 9 > 3 > Enter.

SMPS schematic

T'Con board

Audio output

Click on the schematics to magnify

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]