Grundig GDP1400 power supply regulator circuit diagram

SMPS circuit diagram Grundig DVD player GDP1400

Click on the schematic to magnify

Philips AZ1004/78 Circuit diagram – Disassembly CD Stereo Radio Recorder

Voltage V - / 01: 120/230
Frequency - / 01: 50/60 Hz
Battery -: 9 V - R14 / UM-2 / C size x 6
Power consumption: 12 W
Dimensions (H x W x D): 360 x 225 x 152mm
Weight 3.3Kg
Tuning Ratio: 87.5 - 108 MHz
IF frequency: 10.7 MHz p 0.2 MHz

DISASSEMBLY (Click on the pictures to magnify)

A. REMOVE THE REAR CABINET

 Remove the 3 A1 screws (3x10)

 Remove the 5 screws A2 (3x30)

 Remove the Rear Cabinet.

B. REMOVE THE HAND STRAP

 Press the cover down and

Pull the handle.

 Remove the hand strap.

C. REMOVE THE TOP CABINET

- Remove the 2 C3 screws (3x20)

- Remove the screw C4 (3X10)

- Remove the Upper Cabinet.

D. REMOVE DECK MECHANISM

- Remove the 4 screws D5 (3x10)

- Remove the 4 C6 screws (2.5x10)

Circuit diagram (Schematic)

STR-X6556 based SMPS power supply circuit diagram – LG29CC2RL

SMPS and Horizontal scan output schematic – LG29CC2RL 29 inch CRT TV

Circuit diagram [Click on the schematic to magnify]

LG DM5620K (DM5620K, DMS5620V/W) KARAOKE DVD Mini Hi-Fi System SMPS circuit diagram

DSP/ SPBANA/ HEADPHONE CIRCUIT DIAGRAM

Click on the pictures to zoom in

 Amplifier Circuit diagram

VFD/ KEY/ LED CIRCUIT DIAGRAM 

Syscon

SMPS

Voltage chart

Panasonic TX29E50D 29inch CRT TV – How to enter the service mode, circuit diagram

Used ICs: MSP3410G, 24C16, SDA55xx, VSP9402, DDP3315C, TDA4470M, STR-F6654, TDA8358J, TDA6108JF - Panasonic TX-29E50D, TX-29E50D/B, TX-29PS12D, TX-29PS12F, TX-29PS12P 

ALIGNMENT SETTINGS
(The figures below are nominal and used for representative purposes only.)
To access Service Mode select program position 99 and set sharpness to minimum.
Press “MUTE” button on remote control and at the same time press the „∨” button on the customer controls at the
front of the TV, this will place the TV set into Service Mode.
Press ∧/∨ buttons to step up / down through the functions.
Press + / - buttons to alter the function values.
To exit Service Mode press „MENU” button.

TX-29E50D, TX-29E50D/B, TX-29PS12D, TX-29PS12F, TX-29PS12P - MAIN-BOARD PTMPMSV29P1FF circuit diagram

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