2625
!
RPH
0
M1 (TAPE MOTOR)
MAIN C.B
A
L801
IC801
CN201
CN801
@
IC404
IC001
SFR430
#
CN401
CD C.B
B
TUNER C.B
(HA, HE, HR, U MODELS)
D
1
5
2
1
23
63 74
L009
L006
PVC001
TC1TC2
TC4 TC3
L005
L007
L008
L004
L003
(BAR ANT)
IC001
19
TUNER C.B
(K, EZ MODELS)
D
7
3
4
21
85 96
L009
L016 L017
TC006
TC005
PVC001
TC1
TC2
TC4
TC3
L005
L007
L008
L004
L003
(BAR ANT)
19
PHONES
J251
H.P. C.B
E
0!
ELECTRICAL ADJUSTMENT
< TUNER SECTION >
(HA, HE, HR, U MODELS)
1. AM Freq. Range Adjustment
L006 ....................................................................... 517kHz
TC003................................................................... 1750kHz
2. AM Tracking Adjustment
L003 ....................................................................... 600kHz
TC004................................................................... 1400kHz
3. AM IF Adjustment
Settings: • Test point: IC001 (LA1828) 19PIN
• Adjustment location: L007
Method: Adjust L007 so that the output level at 1400kHz
becomes maximum.
4. FM Freq. Range Adjustment
L005 .....................................................................87.0MHz
TC001................................................................. 109.0MHz
5. FM Tracking Adjustment
L004 .....................................................................88.0MHz
TC002................................................................. 108.0MHz
6. FM IF Adjustment
Settings: • Test point: IC001 (LA1828) 19PIN
• Adjustment location: L008
Method: Adjust L008 so that the output level at 98.0MHz
becomes balanced.
7. FM Balance Adjustment
Settings: • Test point: IC001 (LA1828) 19PIN
• Adjustment location: L009
Method: Adjust L009 so that the output level at 98.0MHz
becomes balanced.
(K, EZ MODELS)
1. LW Freq. Range Adjustment
L016 ....................................................................... 145kHz
TC005..................................................................... 295kHz
2. MW Freq. Range Adjustment
L017 ....................................................................... 515kHz
TC003................................................................... 1635kHz
3. MW Tracking Adjustment
L003 ....................................................................... 600kHz
TC004................................................................... 1400kHz
4. LW Tracking Adjustment
TC006..................................................................... 288kHz
5. AM IF Adjustment
Settings: • Test point: IC001 (LA1828) 19PIN
• Adjustment location: L007
Method: Adjust L007 so that the output level at 1400kHz
becomes maximum.
6. FM Freq. Range Adjustment
L005 .....................................................................87.4MHz
TC001................................................................. 108.3MHz
7. FM Tracking Adjustment
L004 .....................................................................88.0MHz
TC002.................................................................108.0MHz
8. FM IF Adjustment
Settings: • Test point: IC001 (LA1828) 19PIN
• Adjustment location: L008
Method: Adjust L008 so that the output level at 98.0MHz
becomes balanced.
9. FM Balance Adjustment
Settings: • Test point: IC001 (LA1828) 19PIN
• Adjustment location: L009
Method: Adjust L009 so that the output level at 98.0MHz
becomes balanced.
< DECK SECTION >
10. Tape Speed Adjustment
Settings : • Test tape : TTA–100
• Test point : J251 (PHONES jack)
• Adjustment location : SFR of deck motor
Method : Play back the test tape and adjust SFR so that
the frequency counter reads 3000Hz ± 30Hz.
11. Head Azimuth Adjustment
Settings : • Test tape : TTA–320
• Test point : J251 (PHONES jack)
• Adjustment location : Azimuth adjustment
screw
Method : Play back the 8kHz signal of the test tape and
adjust screw so that the output becomes
maximum.
12. Bias frequncy Adjustment
L801..................................................................85kHz±0.5kHz
< CD SECTION >
13. FE Balance Adjustment
Settings : • Test point : IC401 PIN58 (VR), IC401 PIN 20
(FE)
• Adjustment location : SFR430
Method : Playback the disc and adjust SFR430 so that the
test point voltage becomes 0V.
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