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There are currently no product reviews.
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I was having a hard time finding the problem with this Mackie 1604 unit. I didn't have a schematic. Went looking on the web and found your site and the price was more then reasonable. Ordered it and within the hour had the manual and within 15 minutes had the unit fixed. Best $4.99 I ever spent. Thank you.
Doug
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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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Please tell us what you think and share your opinions with others. Be sure to focus your comments on the product. You will receive $2.50 of store credit for Your review.
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
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3 Actual Vofs adjustment (2)
A
(From 2 )
(Check the upper limit of Vofs with the green 1023 signal.) Set to RST MASK 03 (green 1023). MKS S53
Set VOL OFFSET to 246 (60 [V] ).
VOF 246
Are there any dark cells? Yes
B
No
Set Vofs_max3 to 246 (60 [V]).
Gradually decrease the Vofs data until dark cells disappear (Vofs should be 005 (15 [V]) or more).
VOF ���
Note: This setting value becomes the value for Vofs_max3.
Vofs_max3
[V] Replace the panel again or abnormality in circuits
Note: Take note of the value for Vofs_max1.
Is Vofs_max3 118 (36 [V]) or greater? Yes
No
(Check the upper limit of Vofs with the blue 1023 signal.)
C
Set to RST MASK 04 (blue 1023).
MKS S54
Set VOL OFFSET to 246 (60 [V] ).
VOF 246
Are there any dark cells? Yes Gradually decrease the Vofs data until dark cells disappear (Vofs should be 005 (15 [V]) or more). VOF ���
No
Set VOL OFFSET_max4 to 246 (60 [V]).
Note: This setting value becomes the value for Vofs_max4.
Vofs_max4
[V]
Note: Take note of the value for Vofs_max2.
D
Is Vofs_max4 118 (36 [V]) or greater? Yes
No
Replace the panel again or abnormality in circuits
Vofs_max
Set the lowest voltage among Vofs_max1, Vofs_ max2, Vofs_max3, and Vofs_max4 as Vofs_max.
E
[V]
Yes
Is Vofs_max 187 (49 [V]) or greater? No Value for Vofs = Vofs_max - 48 (9 [V])
Value for Vofs = 139 (40 [V])
Set the value as Vofs.
F
(To 4 )
122
1 2
PDP-5071PU
3 4
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