Aiwa csd-a100 Service Manual page 16

ELECTRICAL ADJUSTMENT
L003
(BAR ANT)
1
D
TUNER C.B
L006
2
L053
L052 TC3
PVC001
TC4
TC052
5
TC051
L005
L004
TC2 TC1
L009
7
19
IC001
L007
L008
(VSC MODEL)
8 3 9 6
B CD C.B
IC404
SFR430
#
CN401
A MAIN C.B
E H.P. C.B
J251 PHONES
0!
L003
2 3
(BAR ANT)
2
D
TUNER C.B
4
TC006
3
PVC001
TC3
TC4
L016 L017
4
L005
TC1
L004
TC2
7
19
IC001
L007
L008
(GSC MODEL)
8 5
IC801
1
CN801
CN201
L801
@
M1 (TAPE MOTOR)
RPH
!
0
25
< TUNER SECTION >
(VSC MODEL)
1
1. AM Freq. Range Adjustment
L006 ....................................................................... 530kHz
TC003 ................................................................... 1605kHz
2. AM Tracking Adjustment
L003 ....................................................................... 603kHz
TC004 ................................................................... 1404kHz
3. AM IF Adjustment
TC005
Settings: • Test point: IC001 (LA1828) 19PIN
• Adjustment location: L007
Method: Adjust L007 so that the output level at 1400kHz
becomes maximum.
L009
4. FM Freq. Range Adjustment
L053 ..................................................................... 65.0MHz
TC052 ................................................................... 74.0MHz
5. FM1 Tracking Adjustment
L052 ..................................................................... 65.0MHz
9 6 TC051 ................................................................... 74.0MHz
6. FM2 Freq. Range Adjustment
L005 ..................................................................... 87.5MHz
TC001 ................................................................. 108.0MHz
7. FM2 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.
(GSC MODEL)
1. LW Freq. Range Adjustment
L016 ....................................................................... 150kHz
TC005 ..................................................................... 285kHz
2. MW Freq. Range Adjustment
L017 ....................................................................... 530kHz
TC003 ................................................................... 1605kHz
3. MW Tracking Adjustment
L003 ....................................................................... 603kHz
TC004 ................................................................... 1404kHz
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 ..................................................................... 87.5MHz
TC001 ................................................................. 108.0MHz
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.
26