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BDP-S5000ES
VP Board Analog Video Block Flow
Is video signal output correctly from HDMI output?
Is color bar output by setting VENC output in SERVICE mode?
No
Check connection between R430, R431, R432, R433 of IC401 periphery and pin 19, pin 20, pin 21, pin 48 of IC703
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Yes
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Yes
Check the powers supplied to IC703 IC701-4pin: 1.8V IC702-4pin: 1.8V IC704-1pin: 3.3V
If pin 1 of abnormal power IC (pin 5 for IC704) is 3.3V, the IC is faulty and replace it
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Yes
Image is not output from analog component
No
Video signal is not output from composite, S terminal
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Yes
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Yes
Are signals output to IC703 pins 37, 38, 39?
No
Is 27MHz present to IC703 pin 30?
No
CXD9957GF
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IC501, IC1201
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Flow
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Yes
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Yes
To Composite Buffer Check Flow
A
re data present to IC703 pins 53, 54, 55,
58
, 59
, 60
, 61
, 62?
No
Check RB410, RB411, R436, and R437
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Yes
Are signals present to IC703 pins 19, 20, 21, 48 when the command of VENC output setting is sent in SERVICE mode?
No
Check the connection between R430, R431, R432, R433 of IC401 periphery and IC703 pins 19, 20, 21, 48
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Yes
Replace IC703
Are signals output to IC703 pins 42, 43, 44?
No
Is 27.74MHz present to IC703 pin 63?
No
CXD9957GF
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IC501, IC1201
䋩
Flow
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Yes
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Yes
Check input of each power
No
Replace IC link
A
re data present to IC703 pins (2-9), pins
(11-16
),
pins
(25-29
),
pin 22
,p
in 23?
No
No Check RB (1206-1209), R1225, R1226
L804: -8V L803: +6V
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Yes
Are signals present to IC703 pins 19, 20, 21, 48 when the command of VENC output setting is sent in SERVICE mode?
No
Check the connection between R430, R431, R432, R433 of IC401 periphery and IC703 pins 19, 20, 21, 48
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Yes
Replace IC703
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Yes
A
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TEL 13942296513 QQ 376315150 892498299