3-24
3-25
4. MPEG & ENCODER CIRCUIT DIAGRAM
3.3V Reg.
No power on
No power on
No power on
No Audio(check clock)
No 5.1CH Audio
No 2CH Audio
Audio signal doesn't appear
No screen
No power on
No power on
No power on
µ-com->MPEG address
The screen is distorted(DVD)
Over 3V->Data error. GND:OK
No VCD screen display(option).
No CD sound out.
Over 3V->Data error. GND:OK
(CD/VCD option)
No power on
µ-com->MPEG command data
No power on
over 3V: normal
No power on
Check 89MHz
No Pb output
No Pr output
No Y output
No composite video output
No Luminance output
in Y/C Video
No Chrominance
output in Y/C Video
Video Mute doesn't
operate in power on/off
VIDEO ENCODER
VIDEO ENCODER
ROM
MPEG2 DECODER
16M SDRAM
16M SDRAM
VIDEO
1
2
3
4
5
7
6
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
CLOCK
No DVD screen display
RTV servis Horvat
Kešinci, 31402 Semeljci
031-856-139
031-856-637
098-788-319
Croatia
www.rtv-horvat-dj.hr