Yamaha e1010 analog delay service manual
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Extracted text from yamaha e1010 analog delay service manual (Ocr-read)
Page 2
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ICONTENTS
DISASSEMBLY PROCEDURES ................
ELECTRICAL PERFORMANCE ................
ADJUSTMENT ............................
ADJUSTING POINTS .......................
BLOCK DIAGRAM/SPECIFICATIONS ...........
WIRING ...............................
SCHEMATIC DIAGRAM ....................
CIRCUIT BOARDS .........................
PARTS LIST .............................
EXPLQDED VIEW .........................
IDISASSEMBLY PROCEDURES
REMOVAL OF TOP COVER
Unscrew the 7 screws (See Photo I.)
Photo I
REMOVAL OF BOTTOM COVER
Remove the 9 screws. (See Photo 2.)
................................... IO
................................... II
................................... 2
................................... 3
8
9
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Photo 4
U REMOVAL OF FP CIRCUIT BOARD
I. Disconnect the 4 connectors wired to the circuit
boaid and then take off the 7 screws. (Photo SI
2. WhiIe gently pushing the upper side of the FP
circuit board (2), lift up the FP circuit boards (1)
and (2) and dismount them.
Photo 2
A.
REMOVAL OF 30 CIRCUIT BOARDS
. Pull out the INPUT, BASS, TREBLE, DELAY,
FEEDBACK. MIXING, FREQUENCY and DEPTH
controls toward this side.
Remove the 6 screws and dismount the escutchcon.
(See Photo 3.)
After unscrewing the 6 screws with which the BD
circuit board is fixed, disconnect the wiring (2
connectors) to the FP circuit boards and that to
the power supply transformer.
Photo 5