Marantz PMD671, Service Manual

Page: 5 / 68

3
3. LCD CONTRAST ADJUSTMENT
1. Connect the TEST POINT (See below) with the tester.
2. Turn the variable resistor RF01(RF09) so that the reading
of the tester becomes 7.0 V ± 0.1 V and confi rm the
contrast of the LCD becames maximum.
4. HOW TO DISASSEMBLE
1) Remove 7 screws as shown in Fig.1.
2) Remove the battery cover.
3) Remove 4 screws as shown in Fig.2.
3. LCD
᠗ࡇᩓןᛦૢ ᠗ࡇᩓןᛦૢ
1 TEST POINT
ƴȆǹǿȸǛ੗ዓƠŴ᠗ࡇᩓןǛยǓƳƕǒȜ
ȪȥȸȠ RF01(RF09) Ʒ৽৴͌ǛᛦૢƠLJƢ ᳹
2 LCD Ǜദ᩿ƔǒᙸƯŴdzȳȈȩǹȈƕஇٻƴƳǔƜƱǛᄩᛐ
ƠƳƕǒ᠗ࡇᩓןǛ
7 0V ± 0 1V
ƴᛦૢƠLJƢ ᳹
4. Ўᚐ૾ඥ Ўᚐ૾ඥ
1
ɦ׋
1
ƴᅆƢǻȃȈࡁ᩿ƷȍǸ
7
ஜǛٳƠLJƢŵ
ࡁᔟǛٳƠLJƢŵ
2 ȐȃȆȪȸǫȐȸǛٳƠLJƢŵ
3
ɦ׋
2
ƴᅆƢȍǸ
4
ஜǛٳƠLJƢŵ
<Fig.1 Position of 7 screws>
<Fig.2 Position of 4 screws>