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SECTION 4
MECHANICAL ADJUSTMENTS
PRECAUTION
1.
Clean
the following
parts with
a denatured
alcohol-
moistened swab:
record/playback head
erase head
capstan
pinch roller
rubber belt
idler
2.
Demagnetize
the record/playback
head
with
a head
demagnetizer.
(Head demagnetizer do not approach for the erase head.)
3.
Do not use a magnetized screwdriver for the adjustment.
4.
After the adjustments, apply suitable locking compound
to the parts adjusted.
5.
The
adjustment
should
be performed
with the rated
power supply voltage unless otherwise noted.
e Torque Measurement
Torque meter
Meter reading
Timer
Test Mode
30 to 60g*cm
(0.42 to 0.830z*inch)
1 to 5g*cm
(0.014 to 0.0690z*inch)
30 to 60g*cm
(0.42 to 0.830z*inch)
1 to 5g*°cm
(0.014 to 0.0690z* inch)
100 to 170g*cm
(1.39 to 2.360z*inch)
When
BAND,
SHIFT
and PRESET/TIMER+buttons
are
pressed at the same time the following time test operation is
performed.
After the operation, it becoms
in the system
reset mode.
Take care that the frequency preset to the tuner
is initialized.
1)
POWER OFF
2)
Timer set
Clock
AM10:
23
Timer ON
Timer OFF
Function
AM10:
24
AM10:
31
TUNER
3)
FL tube display (FLT501)
All light
for 2 seconds
"AM 10: 23"
for 0.5 second
"AM 10: 24"
for 0.5 second
~<————-POWER ON
for 2 seconds
Last channel
for 1 second
"AM 00: 00" flashing
<«———POWER
ON
"TUNER"
4)
Finish
HCD-H7/H1500
SECTION 5
ELECTRICAL ADJUSTMENTS
DECK SECTION
1.
The adjustment should be performed in the publication.
(Be sure to make playback adjustment at first.)
2.
The adjustment and measurement should be performed
for both L-CH and R-CH.
e Switch position
DOLBY NR switch: OFF
e Test Tape
Head Azimuth Adjustment
Level Adjustment
Tape Speed Adjustment
P-4-A100
P-4-L300
WS-48B
10kH, —10dB
315Hz, 0dB
3kHz, 0dB
Record/Playback Head Azimuth Adjustment
Procedure :
1.
Forward Playback Mode
test tape
P-4-A100
(10kHz, —10dB)
DOLBY OUT TP701
e Preset Frequency in Restting
When pressing the system reset button (S702) of the rear
side of the unit, the following frequency is preset to the
tuner part. When the system reset is performed in repairing,
be sure to return to the frequency set by the user.
US, Canadian model
MW tuning
interval : 10k (9k)
AEP, UK, WG, IT model
( ): Italian model
Al
87.5MHz || A6
A2
88.0MHz |! A7
A3
98.0MHz || A8
A4
106.0MHz |} A9
AS
108.0MHz || Ad
530(531)kHz | A6
620(621)kHz | A7
1050(1053)kHz | A8
1490(1485)kHz | A9
1710kHz | AO
531(522)kHz
603kHz
999kHz
1404kHz
1602(1611)kHz
153(144)kHz
162kHz
216kHz
270kHz
279(288)kHz
E, EA, AUS
model
MW tuning interval:
9k (10k)
5.95MHz
7.00MHz
12.00MHz
17.00MHz
17.90MHz
Al
87.5MHz |} A6
A2
88.0MHz || A7
A3
98.0MHz |} A8
A4
106.0MHz || A9
AS
108.0MHz |} AO
531(530)kHz
603(620)k Hz
999(1050)kHz
1404(1490)kHz
1602(1710)kHz
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