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4. Trouble Shooting

4-1 Trouble Shooting -------------------------------------------------------------------------------- 4-2

4-2 Adjustment---------------------------------------------------------------------------------------- 4-15

4-3 Software Update------------------------------------------------------------------------------- 4-18

Samsung Electronics

4-1

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Trouble Shooting

4-1 Trouble Shooting

NO Power Detected

(Stand by LED OFF)

PJACK2 PIN1 is normal

Voltage Level(12V)?

No

Change Adaptor

Yes

PWF1

voltage is normal

Voltage Level(12V)?

No

Change FUSE(PWF1)

Yes

Is the

FFC cable (between

SUB PCB & Main PCB)

OK?

No

Re-insert FFC cable correctly

Yes

FCON1

pin9 is normal

Voltage Level(5V)?

No

CHANGE THE MAIN PCB

Yes

CHANGE THE SUB PCB

4-2

Samsung Electronics

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Trouble Shooting

There's no Digital Audio Out

Check

Current Digital Audio

Setting is PCM.

No

Check

the A/V Receiver can

Decode Current

Bit-Steam

No

Set to Bitstream

Yes

Yes

Check the

Audio Data at R125

No

Replace the Main PCB

Yes

Refer to a pattern

image of Table 4-1

Check the jack soldering or

replace Optical jack

Samsung Electronics

4-3

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Trouble Shooting

q DIGITAL AUDIO DATA

R125



PIC6

Refer to a pattern

image of Main PCB page 6-3



Refer to a pattern

image of VDAC, Audio L/R, SPDIF (Main PCB) Page 7-4

Fig. 4-1

4-4

Samsung Electronics

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Trouble Shooting

There is no Audio Output

Check

the Audio signal at PIN

3,5,7,6 of AIC1 PIN1,2,23 (Clock data )

PIN6 (Audio data)

No

Replace the main PCB

Yes

Check

the Audio signal at PIN

13,15 of AIC1

No

Check AIC1 soldering or replace

AIC1

Yes

Check

the Audio

signal at AIC1

No

Check AIC1 soldering of

peripheral device

Yes

Refer to a pattern

image of Table 4-2

Audio cable error

Samsung Electronics

4-5

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Plik z chomika:

Inne pliki z tego folderu:

CH1.pdf (256 KB)
CH2.pdf (612 KB)
CH3.pdf (1530 KB)
CH4.pdf (5914 KB)
CH5.pdf (872 KB)

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