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Another excellent aquisition. Fine detailed manual. Thanks
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Good quality for the scan, complete, but as usual for Tascam, not so comprehensive !
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great manual readable & easy to downlaod to be recommanded
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Very useful, not the best scan, but definitely readable !
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Complete service manual, good quality scan, great buy !
7 Troubleshooting
7-2-7 Poor Focus
Adjust focus VR.
Improved focus?
Yes
Aging monitor and check for focus change.
No Check focus leads from FBT to CRT Socket.
Check the CRT Socket.
Is dynamic focus circuit right?
No
Refer to 7-1-15 Dynamic Focus Failure.
Yes Replace the CRT and verify focus.
7-2-8 Purity Failure
Degaussing
Purity is right?
Yes
Done
No Degaussing circuit is right? No Refer to 7-1-20 Degaussing Failure.
Yes Replace CRT and verify purity.
7-18
CHB5**7L/6**7L/7**7L
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