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Model
DHC-FL3 HCD-FL3
Pages
127
Size
16.32 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dhc-fl3-hcd-fl3.pdf
Date

Sony DHC-FL3 / HCD-FL3 Service Manual ▷ View online

21
HCD-FL3
SECTION  5
TEST  MODE
[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 
[   ]
[DISPLAY]
, and 
[GROOVE]
 simulta-
neously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[TUNER  STEP  CHANGE]
• A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press the 
[I/   ]
 button to turn the power on.
2. Select the function “TUNER”, and press
 [TUNER/BAND]
  but-
ton to select the BAND “AM”.
3. Press the 
[I/   ]
 button to turn the set OFF.
4. Press
M
 + and 
[I/   ]
 buttons simultaneously, and the display
of fluorescent indicator tube changes to “AM 9 k STEP” or “AM
10 k STEP”, and thus the channel step is changed over.
[FUNCTION  CHANGE  MODE]
• Select either VIDEO or MD of the external function input.
Procedure:
1. Press the 
[I/   ]
 button to turn the power on.
2. Hold down 
[MD $VIDEO%]
 button then press 
[I/   ]
 button, and
release  
[I/   ]
 button first in order not in switch off the set imme-
diately.
The another function of the previous function is selected, the
input level is also changed and displayed “MD” or “VIDEO”.
[GC  TEST  MODE]
• This mode is used to check the software version, FL tube, LED,
keyboard and VACS.
Procedure:
1. Press three buttons  
[   ]
[DISPLAY]
, and 
[EFFECT]
 simulta-
neously.
2. LEDs and fluorescent indicator tube are all turned on.
3. When you want to enter the software version display mode,
press 
[GROOVE]
 . The model number and destination are dis-
played.
4. Each time 
[GROOVE]
 is pressed, the display changes stating
from MC version, GC version, DP version, CD version,
CDDM, CDMA, CDMB, BDA, BDB, ST version, TA version,
TM version, TC version, in this order, and returns to the model
number and destination display.
5. When 
[CD SYNC HI-DUB]
 is pressed while the version num-
bers are being displayed except model number and desti-
nation, year, month and day of the software creation ap-
pear. When 
[CD SYNC HI-DUB]
 is pressed again, the display
returns to the software version display. When 
[GROOVE]
 is
pressed while year, month and day of the software creation
are being displayed, the year, month and day of creation of the
software versions are displayed in the same order of version
display.
6. Press 
[EFFECT]
 button, and the key check mode is activated.
7. In the key check mode, the fluorescent indicator tube displays
“K22 V0 C  T”. Each time a button is pressed, “K” value de-
creases.
However, once a button is pressed, it is no longer taken into
account.
“V” value increases like 1, 2, 3...if rotating 
[VOLUME]
 knob
in the clockwise, or it decreases like 0, 9, 8...if rotating in the
counterclockwise.
Each time the “CD DOOR LOCK DETECT” or “CD DOOR
OPEN/CLOSE DETECT” switch is turned on, “C” value in-
creases.
x
1
1
1
1
1
1
Each time the “CASSETTE LID OPEN/CLOSE DETECT”
switch is pressed, “T” value increases.
8. Also when 
[CD SYNC HI-DUB]
 is pressed after lighting of all
LEDs and fluorecsent indicator tube, value of VACS appears.
9. To exit from this mode, press three buttons in the same man-
ner as step 1, or disconnect the power cord.
[MC  TEST  MODE]
• This mode is used to check operations of the respective sections
of Amplifier, Tuner, and Tape.
1. Entering the MC Test Mode
Procedure:
1. Press the 
[I/   ]
 button to turn the power on.
2. Press the three buttons of 
[   ]
[DISPLAY]
 and 
[CD SYNC HI-
DUB]
 simultaneously.
3. The segments blinks on the fluorescent indicator tube as bel-
low. The input function is changed to GAME.
2. Releasing the MC Test Mode
Procedure:
1. To release this mode, press the 
[I/   ]
 button.
2. The cold reset is enforced at the same time.
3. Check of Amplifier
Initial settings:
Input
, DIGITAL
EQ
, FLAT
Mode
, MUSIC
VACS
, OFF
Output channel setting:
Each time the 
[EFFECT]
 button is pressed, output channels switch
as following order.
x
x
1
DIGITAL
EFFECT
Blink
1
Order
Channels
Bass Manage
VACS
*
1
1
t L
Through
ON
t R
2
t L
Through
OFF
t R
3
t L, SL, C
on
ON
t R, SR, SW
4
t L, SL, C
on
OFF
t R, SR, SW
5
t SL
Through
ON
t SR
6
t SL
Through
OFF
t SR
7
t C
Through
ON
t SW
8
t C
Through
OFF
t SW
*
1
) “EFFECT” indication
22
HCD-FL3
Volume check:
1. When the 
[VOLUME]
 knob is turned clockwise even slightly,
the sound volume increases to its maximum and a message
“VOLUME MAX” appears for two seconds, then the display
returns to the original display.
2. When the 
[VOLUME]
  knob is tuned counterclockwise even
slightly, the sound volume decreases to its minimum and a
message “VOLUME MIN” appears for two seconds, then the
display returns to the original display.
Tuner Function
1. In the test mode, the default-preset channel is called even when
the TUNER is selected and an attempt is made to call the pre-
set channel that has been stored in memory. (It means that the
memory is cleared)
2. The minimum, center and maximum frequency of each band
is set then.
4. Tape Recording Test
Procedure:
1. Enter the MC Test Mode.
2. Load tapes in both tape decks A and B.
3. Press the REC button to start recording.
4. Pressing the
– 
m
or
M
 +
buttons during recording returns
the tape to the recording start position and stops it at this posi-
tion.
5. Pressing the “High Speed Dubbing” key while playing back
the tape of deck B switches the playback speed between “Nor-
mal Speed” and “High Speed”.
Note:
When the playback direction of the tape is set to other than “ONY WAY”,
the restriction on the number of times playback which can be repeated
will be cleared.
5. AMS Test  Mode
1. Enter the MC Test Mode and press the 
[TAPE A/B]
 button to
set the TAPE function.
2. Insert a test tape AMS-110A or AMS-120 to deck A.
3. Press the 
[KARAOKE PON]
 button on the remote controller
to enter the AMS test mode.
4. After a tape is rewound first, the FF AMS is checked, and the
mechanism is shut off after detecting the AMS signal the AMS
signal twice.
5. Then the REW AMS is checked and the mechanism is shut off
after detecting the AMS signal twice.
6. When the check is complete, a message of either OK or NG
appears.
[AGING  MODE]
This mode can be used for operation check of CD section and tape
deck section.
CD section and tape deck section work in parallel.
If an error occurred:
The aging operation stops only an error occurred sections and
display then status.
If no error occurs:
The aging operation continues repeatedly.
Procedure:
1. Press the 
[I/   ]
 button to turn the power on, and press the 
[CD]
button to select the function “CD”.
2. Set discs on the disc trays 1 and 5, and set tapes into the decks
A and B respectively.
3. Press two buttons of
>
and 
[A    ]
 for more than 1 second
simultaneously.
4. Aging operations of CD and tape are started at the same time.
5. To release this mode, operate the cold reset (Refer to the “MC
COLD RESET”) or disconnect the power code to turn the power
off.
1. Display at the Aging Mode
Display operating state of CD section and tape deck section alter-
nately.
If an error occurred, stop display which that section.
2. CD Section
The sequence during the aging mode is following as below.
Display at the aging mode is the same as the normal operation.
Aging mode sequence (CD section) :
Start (from disc 1)
Disc chucking
TOC read
Play first track for 2 seconds
Play last track for 2 seconds
Change the next disc.
Display at an error occurred (Error display mode)
Procedure:
1. Press two buttons of
>
and 
[EFFECT]
 for more than 1 second
simultaneously to enter the error display mode.
2. It displays of total error.
3. Each time the
– 
m
or
M
 +
button is pressed, display change
as below.
4. To clear the error record, operate the cold reset. (Refer to the
“MC COLD RESET”)
Display of total error
– 
m
Button
M
 +
Button
Display of mechanical errors
– 
m
Button
M
 +
Button
Display of no disc errors
Z
1
23
HCD-FL3
1) Display of total error
EMC**
: The number of mechanical error.
EDC**
: The number of no disc error after chucking the disc.
2) Display of mechanical errors
M*
: The number of mechanical error (“0” is latest one)
(Press the
.
or
>
button to changes next error display)
$$
: Details of the error
01: The error in the midst of table rotating for initialize (1).
02: The error in the midst of table rotating for initialize (2).
03: The error in the midst of table rotating for initialize (3).
04: The error in the midst of disc skip operating for tray open.
05: The error in the midst of table rotating for tray close.
06: The error in the midst of table rotating for chucking the
disc.
07: The error in the midst of ship operating.
08: The error in the midst of release operating.
09: The error in the midst of power off operating.
%%
: Process when error occur
01: Ship processing
02: Power off processing
03: Initialize
04: Release operating
05: Stop chucking
06: Tray close operating
07: Tray close operating for EX-change
08: Tray open operating
09: Tray open pop up operating
0A:Tray open operating for EX-change
&&
: Operations currently performed for error which have occurred.
##
: Targets of processing when problems occur. (Same as “ %%”)
3) Display of no disc errors
D*
: The number of mechanical error(“0” is latest one)
(Press the
.
or
>
button to changes next error display)
$$
: Error type
01: Focus error
02: GFS error
03: Start up error (time over)
04: Focus deviates continuously
05: Q code absent for same time
%%
: Process when error occur
01: Ship processing
02: Power of processing
03: Initialize
04: Stop
05: Stop operation processing
06: Start up
07: TOC reading
Display
EMC**EDC**
Display
M*$$%%&&##00
Display
D*$$%%&&##00
08: Searching
09: Play
0A:Pause
0B: Manual search (Play)
0C: Manual search (Pause)
&&
: Operations currently performed for error which have occurred.
##
: Rotation speed of disc when error occur.
01: Normal speed
02: Double speed
3. Tape Deck Section
The sequence during the aging mode is following as below.
If an error occurred, stop display that step.
Aging mode sequence (Tape deck section) :
Rewind the tape A and B
“TAPE A AG-1”
Shut off
FWD play the tape A
“TAPE A AG-2”
2 minutes
Fast forward the tape A
“TAPE A AG-3”
Shut off or 20 seconds
REV play the tape A
“TAPE A AG-4”
2 minutes
Rewind the tape A
“TAPE A AG-5”
Shut off
FWD play the tape B
“TAPE B AG-2”
2 minutes
Fast forward the tape B
“TAPE B AG-3”
Shut off or 20 seconds
REV play the tape B
“TAPE B AG-4”
2 minutes
Rewind the tape B
“TAPE B AG-5”
Shut off
Note:
 “TAPE 
*
 AG-
*
” is display of each step.
24
HCD-FL3
[CD  SHIP  MODE  (MEMORY  CLEAR) ]
• This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the 
[I/   ]
 button to turn the power on.
2. Press  three  buttons
x
[CD SYNC HI-DUB]
 and 
[CD]
 si-
multaneously.
3. After the “STANDBY” display blinks, a message “LOCK” is
displayed on the fluorescent indicator tube, and the CD ship
mode is set.
[CD  SHIP  MODE  (NO  MEMORY  CLEAR) ]
• This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the 
[I/   ]
 button to turn the power on.
2. Press the 
[CD]
 and 
[I/   ]
 buttons simultaneously.
3. After the “STANDBY” display blinks, a message “LOCK” is
displayed on the fluorescent indicator tube, and the CD ship
mode is set.
[CD  SERVICE  MODE]
• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
1. Press the 
[I/   ]
 button to turn the power on.
2. Select the function “CD”.
3. Press two buttons of
>
and  
[GROOVE]
  for more than 1
second simultaneously.
4. The CD service mode is set and display “SERVICE MODE”.
5. With the CD in stop status, press
M
 +
button to move the
optical pick-up to outside track and display “SLED OUT”, or
press
– 
m
button to inside track and display “SLED IN”.
6. To release this mode, press the 
[I/   ]
 button.
[VACS  ON/OFF  MODE]
• This mode is used to switch on or off the VACS (Variable At-
tenuation Control System).
Procedure:
1. Press two buttons of 
>
and 
[B    ]
 for more  than 1 second
simultaneously.
2. When VACS is switch on, it displays “VACS OFF”.
When VACS is switch off, it displays “VACS 0”.
[CD  REPEAT  5  LIMIT  OFF  MODE]
Number of repeat for CD playback is 5 times when the repeat
mode is “REPEAT”. This mode enables CD to repeat playback for
limitless times.
Procedure:
1. Press the 
[I/   ]
 button to turn the power on, and press the 
[CD]
button to select the function “CD”.
2. Press two buttons of
>
and 
[CD SYNC HI-DUB]
 for more
than 1 second simultaneously to enter the CD repeat 5 limit off
mode and display “LIMIT OFF”.
3. To release this mode, operate the cold reset. (Refer to the “MC
COLD RESET”)
1
1
1
1
Z
1
1
[DISC TRAY  LOCK]
Procedure:
1. Press the 
[I/   ]
 button to turn the power on.
2. Press the 
[CD]
 button to select the function “CD”.
3. Press two buttons of
Z
(CD) and 
[GROOVE]
 simultaneously
for five seconds.
4. The message “LOCKED” is displayed and the tray is locked.
(Even if exiting from this mode, the tray is still locked)
5. To exit from this mode, press two buttons of
Z
(CD) and
[GROOVE]
 simultaneously for five seconds again.
6. The message “UNLOCKED” is displayed and the tray is un-
locked.
1
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