ELECTRICAL ADJUSTMENT
L003L003< TUNER SECTION >7. FM Tracking Adjustment
(BAR ANT)23(BAR ANT)L004 .....................................................................88.0MHz
121(HA, HE, HR, U MODELS)
TC002.................................................................108.0MHz
D TUNER C.BD TUNER C.B
1. AM Freq. Range Adjustment
L006 .......................................................................8. FM IF Adjustment517kHz
4
TC006TC003 ...................................................................Settings: Y Test point: IC001 (LA1828) 19PIN1750kHz
Y Adjustment location: L008
L006
2PVC0013PVC0012. AM Tracking AdjustmentMethod:Adjust L008 so that the output level at 98.0MHz
TC4TC3TC4TC3L016 L017L003 .......................................................................becomes balanced.600kHz
L005TC004 ................................................................... 1400kHz
TC005
9. FM Balance Adjustment
L005
L004L004TC1
3. AM IF AdjustmentSettings: Y Test point: IC001 (LA1828) 19PIN
TC2 TC1L009TC2
1919Settings: Y Test point: IC001 (LA1828) 19PIN
57Y Adjustment location: L009
Y Adjustment location: L007Method:Adjust L009 so that the output level at 98.0MHz
L009
IC001IC001
Method: Adjust L007 so that the output level at 1400kHzbecomes balanced.
becomes maximum.
L007L007
< DECK SECTION >
4. FM Freq. Range Adjustment
L008L008
L005 .....................................................................10. Tape Speed Adjustment87.0MHz
TC001 .................................................................Settings : Y Test tape : TTA�100109.0MHz
(HA, HE, HR, U MODELS)(K, EZ MODELS)Y Test point : J251 (PHONES jack)
637 4859 65. FM Tracking AdjustmentY Adjustment location : SFR of deck motor
L004 .....................................................................Method : Play back the test tape and adjust SFR so that88.0MHz
TC002 .................................................................the frequency counter reads 3000Hz ? 30Hz.108.0MHz
B CD C.B
6. FM IF Adjustment11. Head Azimuth Adjustment
Settings: Y Test point: IC001 (LA1828) 19PINSettings : Y Test tape : TTA�320
Y Adjustment location: L008Y Test point : J251 (PHONES jack)
Method: Adjust L008 so that the output level at 98.0MHzY Adjustment location : Azimuth adjustment
becomes balanced.screw
IC404Method : Play back the 8kHz signal of the test tape and
7. FM Balance Adjustmentadjust screw so that the output becomes
SFR430Settings: Y Test point: IC001 (LA1828) 19PINmaximum.
#Y Adjustment location: L009
Method: Adjust L009 so that the output level at 98.0MHz12. Bias frequncy Adjustment
CN401becomes balanced.L801..................................................................85kHz?0.5kHz
(K, EZ MODELS)
< CD SECTION >
1. LW Freq. Range Adjustment
13. FE Balance Adjustment
L016 ....................................................................... 145kHz
Settings : Y Test point : IC401 PIN58 (VR), IC401 PIN 20
TC005 ..................................................................... 295kHz
(FE)
IC801
A MAIN C.B Y Adjustment location : SFR430
12. MW Freq. Range Adjustment
CN801Method : Playback the disc and adjust SFR430 so that the
L017 ....................................................................... 515kHz
test point voltage becomes 0V.
CN201TC003 ................................................................... 1635kHz
L801
3. MW Tracking Adjustment
L003 ....................................................................... 600kHz
TC004 ................................................................... 1400kHz
@
E H.P. C.B 4. LW Tracking Adjustment
TC006 ..................................................................... 288kHz
M1 (TAPE MOTOR)
RPH
5. AM IF Adjustment
Settings: Y Test point: IC001 (LA1828) 19PIN
J251PHONESY Adjustment location: L007
Method: Adjust L007 so that the output level at 1400kHz
0!becomes maximum.
0!6. FM Freq. Range Adjustment
L005 .....................................................................87.4MHz
TC001 .................................................................108.3MHz
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