Question about Audio Players & Recorders
These units can be rather delicate when shifting, usually boards and connections jar loose, even when handled carefully, the unit flexes no matter what and often this cams out the boards or connectors etc. What you need to do is go over all the connections and ensure they are tight, even giving a squirt of contact cleaner too. Then go over ALL sockets IC's Relays etc. Essentially check it all over for loose connections. If this doesn't fix it, then start at the power Supply and work out. Sometimes it is a cracked or broken solder joint, especially near heavy things soldered to the PCB's anyway use a good soldering iron,and go over all the solder joints that may be suspect.
Usually they are best transported standing Up, rested on a foam base or similar. and be well strapped up, to limit flexing etc.
Above is service manual, really to do any repairs one simply must obtain one, they are worth their weight in gold... They have schematic, and troubleshooting steps too. Another link below.
I wonder if this below may not be of some help too?
Posted on Jul 30, 2010
ER 36 is a cancel signal problem.
Make a selection and look at the mech control unit:
CANCEL LED stays on:
1. short in cancel switch wiring
2. bad cancel switch
3. mech control board bad.
CANCEL LED flashes ON as record sets down:
1. auto cancel misadjusted.
CANCEL LED does not flash:
1. wiring to outer cam switch
2. outer cam switch bad
3. wiring problem from mech control board to CCC
4. mech control board problem
5. CCC problem
Posted on Jul 30, 2010
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Posted on Jan 02, 2017
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