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2-4.
Replacement of Main Parts ...................................................................2-6 (E)
2-5.
Boards Replacement ............................................................................2-18 (E)
3-1.
General Information for Electrical Adjustment ....................................3-1 (E)
3-2.
SPG-15 Board Adjustment ....................................................................3-3 (E)
3-3.
SY-253 Board Adjustment ....................................................................3-7 (E)
3-4.
ENC-51 Board Adjustment ...................................................................3-8 (E)
3-5.
ENC-47 Board Adjustment ...................................................................3-8 (E)
3-6.
DEC-98 Board Adjustment ...................................................................3-9 (E)
3-7.
DA-134 Board Adjustment ...................................................................3-9 (E)
3-8.
AD-156 Board Adjustment .................................................................3-11 (E)
4. Circuit Description
2 (E)
2-4-1.
General Information for Parts Replacement ........................2-6 (E)
2-4-2.
Power Supply Unit Replacement .........................................2-6 (E)
2-4-3.
HDD Unit Replacement .......................................................2-8 (E)
2-4-4.
Fan Motor Replacement .....................................................2-10 (E)
2-4-5.
Filter Replacement .............................................................2-13 (E)
2-4-6.
Backup Battery Replacement .............................................2-14 (E)
2-5-1.
CN-1405 Board ..................................................................2-19 (E)
2-5-2.
IF-678 Board ......................................................................2-19 (E)
2-5-3.
DP-269/LE-200 Boards ......................................................2-20 (E)
2-5-4.
PSW-61 Board ...................................................................2-21 (E)
2-5-5.
MB Board Assembly .........................................................2-22 (E)
2-5-6.
MB-755 Board ...................................................................2-23 (E)
2-5-7.
AC-188 Board ....................................................................2-23 (E)
2-5-8.
MB-756 Board ...................................................................2-24 (E)
2-5-9.
SY-253/CN-1656/CCM-37 Boards ....................................2-24 (E)
2-5-10. PU-102 Board .....................................................................2-25 (E)
3-1-1.
Equipment Required .............................................................3-1 (E)
3-1-2.
Content of Nonvolatile Memory ..........................................3-1 (E)
3-2-1.
NTSC SCH Adjustment .......................................................3-3 (E)
3-2-2.
PAL SCH Adjustment ..........................................................3-5 (E)
3-3-1.
Audio Output Level (L) Adjustment ....................................3-7 (E)
3-3-2.
Audio Output Level (R) Adjustment ....................................3-7 (E)
3-4-1.
VCO Adjustment ..................................................................3-8 (E)
3-5-1.
VCO Adjustment ..................................................................3-8 (E)
3-6-1.
VCO Adjustment ..................................................................3-9 (E)
3-7-1.
Audio Output Level (CH-1) Adjustment .............................3-9 (E)
3-7-2.
Audio Output Level (CH-2) Adjustment ........................... 3-10 (E)
MAV-70
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