Daewoo DSD-9255M, Руководство по обслуживанию

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CIRCUIT OPERATION MANUAL
1-4) Video Output
There are 2 Video Output Port in the DSD-9255MP products. (TV Scart, RCA JACK)
The output of R,G and B signals are sent to TV Scart through Video Buffer and LPF (Low Pass Filter) originated from
the STI5518 output.
There are two control signals as of Fast Blanking and Slow Blanking in TV SCART.
Chart 9 shows the usage of control signals.
Current TV Scart Pin that are used in the DSD-9255M is as following.
Chart 9. Slow/Fast Blanking Function
Chart 70. TV SCART Connector Pin
(SCART CONNENTOR)
Following Table shows the Scart Connector
- Can select either TV/AV mode or 16:9/4:3 mode.
Slow Blanking TV/AV Selecting TV/AV mode of TV SET.
(Pin8) TV mode : <1.5V, AV mode : 11 ~ 13V
16:9/4:3 Selectint Wide Mode.
4:3 mode = 11 ~ 13V, 16:9 mode= 5 ~ 6.5V
Select video input signal of TV.
Fast Blanking RGB : 1~ 3V
CVBS : 0 ~ 0.4V
FUNCTION PIN NO.
AUDIO_OUT_R 1
AUDIO_OUT_L 3
VIDEO_OUT 19
SLOW_SWITCH 8
FAST_BLANKING 16
R 1 5
G 1 1
B 7
VIDEO_GND 5,9,13,14,17,18,21
AUDIO_GND 4
20 2
19 1
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