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Great product. Recieved it fast...exactly as advertised.
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Manuals were delivered promptly and were correct as advertised. No issues with the download link which was provided promptly after everything was processed. Very pleasant experience
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Paid for service manual & got the download fast - worth a visit if you need a service manual
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It's the manual, I am searching for. Now I am able to repair my Braun A501.
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Great service manual. Unfortunately on page no. 41 there are some details which i can't read.
1
2
3
4
B
HREQ/TREQ (Refer to Fig. 1 and 2)
A
Are HREQ and TREQ high? Yes CN701 (pins 2,3)
No
HREQ and TREQ should be high during operation. Check the pattern in the path. Check the MOTHER Assy. Replace IC762, etc.
D+/DD+ and D- should have waveform during normal condition. Check the pattern in the path. Check the MOTHER Assy. Replace IC762, etc.
Fig. D+
Fig. D-
B
Are there the waveforms like figure? Yes Operation of IC701 is OK. To STEP 4
No
X: 1 µsec/div, Y: 2 V/div
X: 1 µsec/div, Y: 2 V/div
Step 4: Audio Out check
IC781 (pin 1)
C
MCK
Is there a master clock signal ? Yes IC781 (pin 2)
No
Check the output from IC701 (pin 66).
BCLK
D
Is there a bit clock signal ? Yes IC781 (pin 4)
No Check the output from IC701 (pin 62).
LRCK
Is there a L/R clock signal ? Yes IC781 (pin 3)
E
No Check the output from IC701 (pin 63).
DATA
IC781 (pins 10,11) LOUT/ROUT
Is there DATA signal ? Yes
No Check the output from IC701 (pin 67).
Are there audio signal ? Yes Check the parts and pattern between IC781 and CN702.
No
Replace IC781.
F
136
1 2
VSX-816-K
3 4
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