Adjustment; Cd Section; Cd Servo Pwb; Cd Circuit Adjustment - Sharp MD-R3 Service Manual

MD-R3

CD SECTION

Extension cable
When making adjustment or checking operation, use the following extension cable as necessary.
Type
Extension cable
A For CD PWB (TP751, 6-pin)
A 1
6
Extension cable for

CD Servo PWB

QCNWK0043AFZZ

CD circuit adjustment

1. Preparation for adjustment
Setting the CD TEST mode
Test mode
CD test mode 0 Holding down the CD direct play 1
button and the ENTER butto plug in
AC code (or press the RESET
switch).
CD test mode 1 IPress the [CD-PLAY] button.
CD test mode 2 Press the [CD-PLAY] button.
(2nd time)
CD test mode 3 Press the [CD-PLAY] button.
(3rd time)
CD test mode 4 Press the [CD-PLAY] button.
(4th time)
CD test mode 5 Press the [CD-PLAY] button.
(5th time)

ADJUSTMENT

QCNWK0043AFZZ
CD SERVO PWB
CNP700A
TP751
1
CNS903
6
1
10
Setting procedure
Parts No.
BI851/CNS552
Figure 14
Remarks
Without IL
Laser ON
Focus servo ON
When the spin servo is on, the disc
motor rotates.
Tracking servo ON
Track No. and time are indicated.
– 14 –
CNP751
CNP752
Indication
CD test mode 1
CD test mode 2
CD test mode 3
CD test mode 4
CD test mode 5