Philips SD-4.00SA CH, Руководство по обслуживанию

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Test Instructions Mono Board DVD-SD4.00SA_CH EN 18 SD-4.00SA_CH 5.
Table 5-18 Video Hsync check
Figure 5-22 Video H Sync
5.6 Servo
5.6.1 General Start-up Measurements:
Reset the Basic Engine part
Table 5-19 Reset basic engine part
Check if the Servo Reset (RSTN) at testpoint F258 goes from
low to high after executing BeReset commands.
Check Vref
Table 5-20 Vref check
Play DVD test Disc and check I2S interface
Table 5-21 I2S interface check
Figure 5-23 BE_BCLK
Figure 5-24 BE_DATA
Ref. # Command Name Remark Value Waveform
23a VideoColDencOn ColourbarDENC ON 15.625 kHz 0.02% Vpeak-peak > 3V Refer to Fig 5-22
61a VideoColOutRGB RGB Colourbar ON 15.625 kHz 0.02% Vpeak-peak > 3V Refer to Fig 5-22
23b VideoColDencOff Colourbar DENC OFF No measurements needed
Ref. # Command Name Remark
44 BeReset Reset the Basic Engine
PM3394B
ch1
CH1 2.00 V~ MTB20.0us ch1+
1
HSYNC
CL06532065_019.eps
161100
Name Testpoint Value
Vref F111 2.5V 0.3V
Name Testpoint Value Value
BE_BCLK F200 6.0 MHz
±
0.1 Refer to Figure 5-23
BE_WCLK F201 high Refer to Figure 5-25
BE_DATA F202 low Refer to Figure 5-24
BE_FLAG F203 low No waveform
BE_V4 F255 low No waveform
BE_SYNC F256 low No waveform
ch1
CH1 2.00 V= MTB 200ns ch1+
1
CL 16532163_027.eps
230102
PM3380B
ch1
CH1 2.00 V= MTB20.0ns ch1+
1
PM3380B
CL 16532163_028.eps
230102