Denon DCD-715 - SERVO ADJUSTMENT PROCEDURES; Starting the Service Program; Service Program Button Functions; Adjustment Location and Equipment

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ADJUSTMENT
Microcomputer built in the unit, comprises service program to facilitate servo adjustment by pushing operation button.
1. Start service program
(1) Turn power switch OFF.
(2) Shortcircuit pin @ (SWCL) and @ pin (SWOP) of connector (TP102) on P.W.B. (Main Unit)
(Caution) Do not touch other pins.
(3) Turn power switch ON. =
(Service program starts, and displays track number ttt )
(Caution)
e When service program started normal operation of buttons will be defeated.
2. Service program function
& OPEN/CLOSE | Opens or closes the disc holder. | @ Opens or closes only when disc is stopped.
@ Operate other keys after open or close.
ME sTOP Stops system function. @ Displays track number {7 #.
@ Push when adjustment completed, or do it again.
P PLAY Starts focus servo and disc turns. | @ Push when adjust tracking offset.
: na
@ When completed, displays track number uc .
Il PAUSE Starts focus servo, tracking @ When PAUSE button is pushed, starts tracking servo and slide servo.
servo, slide servo, spindle servo. | @ When completed, track number GF.
Other button No normal operation. e@ Do not operate buttons other than above.
@ If misoperated, immediately turn power switch OFF.
(Caution)
e Do not use remote control during service program mode.
3. Adjustment
(1) Location
MAIN UNIT
POWER
TRANS
VRIO2
8 TPIO! TPIO2 TP101 TP 102
VRIO4 | © TEI © +5V
® VC ® NC
@ FOK @ SWOP
@® TEO @ SWCL
@® FEI @ GND
@ FEO @ HF
v
FRONT PANEL
12