DOWNLOAD Sony HCD-RX80 / MHC-RX80 Service Manual ↓ Size: 1.92 MB | Pages: 73 in PDF or view online for FREE

Model
HCD-RX80 MHC-RX80
Pages
73
Size
1.92 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-rx80-mhc-rx80.pdf
Date

Sony HCD-RX80 / MHC-RX80 Service Manual ▷ View online

– 25 –
TRAY  SECTION
1
Turn the cam to direction
of the arrow.
Note:  When installing the tray, pull around the flat
wire to pass through the claw 
A
 and claw 
B
,
as shown in the figure.
flat wire
3
flat wire
(CN705)
claw 
B
claw 
A
2
Pull the tray.
5
Removal the tray.
4
two claws
Note:  When installing the tray, take care so that the collars (A) and
(B) are properly inserted into the slots.
collar 
A
collar 
B
slots
– 26 –
BD  BOARD
4
flat wire
(CN101)
5
screw
(BVTP 2.6 
×
 8)
6
Removal
the four solders.
7
BD board
1
two screws
(PTPWH M2.6 
×
 6)
1
two screws
(PTPWH M2.6 
×
 6)
2
optical pick-up
section
3
two springs
limit switch
OPTICAL  PICK-UP,  SLED  MOTOR
1
claw
2
sled shaft
3
optical pick-up
3
two springs
4
two screws
(P 2 
×
 3)
5
sled motor
– 27 –
AUDIO  BOARD
CAPSTAN  MOTOR
4
four screws
(BTP 2.6 
×
 4)
1
connector
(CN651)
1
Break the soldering of
motor lead.
4
Removal the capstan motor
to direction of the arrow.
2
two screws
(BTP 2.6 
×
 8)
3
claw
5
Hang the
two belts.
2
two rivets
3
Break the soldering of two
flexible flat cables.
5
AUDIO board
– 28 –
[MC Cold Reset]
The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning the
set to the customer.
Procedure:
1. Press three buttons SPECTRUM  ANALYZER ,
ENTER/NEXT , and DISC 1 simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[CD Delivery Mode]
This mode moves the pickup to the position durable to vibration.
Use this mode when returning the set to the customer after repair.
Procedure:
1. Press POWER button to turn the set ON.
2. Press PLAY button and POWER button simultaneously.
3. A message “LOCK” is displayed on the fluorescent indicator
tube, and the CD delivery mode is set.
[MC Hot Reset]
This mode resets the set with the preset data kept stored in the
memory.  The hot reset mode functions same as if the power cord
is plugged in and out.
Procedure:
1. Press three buttons SPECTRUM  ANALYZER ,
ENTER/NEXT , and DISC 2 simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[Sled Servo Mode]
This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.
Procedure:
1. Select the function “CD”.
2. Press three buttons SPECTRUM  ANALYZER ,
ENTER/NEXT , and FUNCTION simultaneously.
3. The Sled Servo mode is selected, if “CD” is blanking on the
fluorescent indicator tube.
4. With the CD in stop status, press
) button in CD section to
move the pickup to outside track, or
0 button to inside track.
5. To exit from this mode, perform as follows:
1) Move the pickup to the most inside track.
2) Press three buttons in the same manner as step 2.
Note:
Always move the pickup to most inside track when exiting from
this mode.  Otherwise, a disc will not be unloaded.
Do not run the sled motor excessively, otherwise the gear can be
chipped.
[Change-over of FUNCTION Name]
The FUNCTION name of external input terminal can be changed
over to VIDEO or MD.
Procedure:
1. Press POWER button to turn the set OFF.
2. Press POWER button together with FUNCTION button, and
the power is turned on, the display of fluorescent indicator tube
changes to “MD” or “VIDEO” instantaneously, and thus the
FUNCTION is changed over.
[Change-over of AM Tuner Step between 9kHz and 10kHz]
A step of AM channels can be changed over between 9kHz and
10kHz.
Procedure:
1. Press POWER button to turn the set ON.
2. Select the function “TUNER”, and press TUNER/BAND
button to select the BAND “AM”.
3. Press POWER button to turn the set OFF.
4. Press ENTER/NEXT and POWER buttons simultaneously,
and the display of  fluorescent indicator tube changes to “AM
9k STEP” or “AM 10k STEP”, and thus the channel step is
changed over.
[LED and Fluorescent Indicator Tube All Lit, Key Check
Mode]
Procedure:
1. Press three buttons SPECTRUM ANALYZER ,
ENTER/NEXT , and DISC 3 simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
Press DISC 2 button, and the key check mode is activated.
3. In the key check mode, the fluorescent indicator tube displays
“K 1 V0 J0”.  Each time a button is pressed, “K”value increases.
However, once a button is pressed, it is no longer taken into
account.
“J” value increases like 1, 2, 3 ... if rotating JOG knob in “+”
direction, or it decreases like 0, 9, 8 ... if rotating in “–” direc-
tion.
“V” value increases like 1, 2, 3 ... if rotating VOLUME knob
in “+”  direction, or it decreases like 0, 9, 8 ... if rotating in “–”
direction.
4. To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
SECTION  3
TEST  MODE
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