Wednesday, December 28, 2016

Aiwa AVJ X33 HTS SMPS and Power amplifier circuit diagram, DVD processor reset procedure

Aiwa AVJ-X33 DVD HOME THEATRE SYSTEM  AEP,UK, E, and Australian Models; Used ICs: STA505-5C, STA501, FSDMO365RN, KAQ1265RF-YDTU
Amplifier specs
Stereo mode 50 W + 50 W (8 Ω at 1 kHz, THD 10%)
Surround mode Front: 50 W + 50 W (*Depending on the Centre*: 50 W sound mode settings Surround*: 50 W + 50 W and the source, there (8 Ω at 1 kHz, THD 10%) may be no sound Subwoofer*: 80 W output.) (4 Ω at 50 Hz, THD 10%)
Outputs PHONES: (32 Ω, 25 mW)
Notes on Chip Component Replacement
 Never reuse a disconnected chip component.
 Notice that the minus side of a tantalum capacitor may be damaged by heat.
Power amplifier and SMPS circuit diagram.  (The circuit used with this set is designed by Sony)
DVD Processor Reset Procedure
1. Press the DVD SETUP key on the remote commander to enter the set up screen. The following SET UP menu is displayed.
2. Move the cursor to [TV Aspect,16:9 Wide] on the screen.
3. Press the following keys in the order of [1 > 3 > 9 > 7 > 1 > 3 > 9 > ENTER] on the remote commander.
4. The following menu is displayed and the DVD Processor is reset to the default set up when the product is shipped from the factory.
5. Press any key on the remote commander to exit this mode.  The DVD Processor reset procedure is completed.