DOWNLOAD Sony HCD-VZ10 Service Manual ↓ Size: 8.83 MB | Pages: 92 in PDF or view online for FREE

Model
HCD-VZ10
Pages
92
Size
8.83 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-vz10.pdf
Date

Sony HCD-VZ10 Service Manual ▷ View online

16
[MC Test  Mode]
• This mode is used to check operations of the respective sections
of Amplifier, Tuner, CD and Tape.
Procedure:
1.
Press the  ?/1  button to turn on the set.
2.
Press the three buttons of  x ,  DISPLAY  and  DISC 3
simultaneously.
3.
A message “TEST MODE” appears on the FL display tube.
4
 When  f (STIC UP)  button is pressed, GEQ increases to its
maximum and a message “GEQ MAX” appears.
5.
When  F (STIC DOWN)  button is pressed, GEQ decreases to
its minimum and a message “GEQ MIN” appears.
6.
When  g (STIC LEFT)  or  G (STIC RIGHT)  button is pressed,
GEQ is set to flat and a message “GEQ FLAT” appears.
7.
When the VOLUME control 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.
8.
When the VOLUME control knob is turned counter-clockwise
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.
9.
In the test mode, the default-preset channel is called even when
the TUNER is selected and an attempt is made to call the preset
channel that has been stored in memory, by operating the Shuttle
knob.  (It means that the memory is cleared.)
10. When CD is selected and press  MODE SELECT , and press
PUSH ENTER  when “Set up Mode” is displayed.
Press  PUSH ENTER  when “CD Set up?” is displayed.
Move the stick left and right to display “CD Edit Start?”, and
press  PUSH ENTER , the disc that is being chucked at this
moment becomes the default setting.  It means that the default
disc only is accessed when any other discs are selected even
though the display indication changes accordingly.  At the same
time, the  Z 1  to  Z 5  cannot be accepted.  (It means that the
tray motor and the turntable motor are disabled of their
operation.)
11. When a tape is inserted in Deck B and recording is started, the
input source function selects VIDEO automatically.
12. When x button is pressed to stop recording, the Tape (Deck)
B is selected and tape is rewound using the  j  button, tape
is rewound, tape is stops at around the record-starting position
and playback of the recorded portion of the tape is started.  If
PAUSE is inserted even once during recording, tape is rewound
to the position around the PAUSE position and is played back.
13. When the  HI-DUB  Button is press during playback of Deck
B, either normal speed or high speed can be selected by this
button.
14. Select the desired loop by pressing  MODE SELECT , and
press  PUSH ENTER  when “Set up Mode” is displayed.
Press  PUSH ENTER  when “CD Set up?” is displayed.
Move the stick left and right to display “Tape Set Up?”, and
press  PUSH ENTER .
Press  PUSH ENTER  when “Direction Set Up?” is displayed.
Move the stick left and right to display “Cycle?”, and press
PUSH ENTER .
Insert a test tape AMS-110A or AMS-RO to Deck A.
15. Press the  CD SYNC  button to enter the AMS test mode.
16. After a tape is rewound first, the FF AMS is checked, and the
mechanism is shut off after detecting the AMS signal twice.
17. Then the REW AMS is checked and the mechanism is shut off
after detecting the AMS signal twice.
18. When the check is complete, a message of either OK or NG
appears.
19. When you want to exit this mode, press the  ?/1  button twice.
The cold reset is enforced at the same time.
17
[Aging Mode]
This mode can be used for operation check of CD section and tape deck section.
• If an error occurred:
The aging operation stops and display status.
• If no error occurs:
The aging operation continues repeatedly.
1.
Operating method of Aging Mode
Turn on the main power and select “CD” of the function.
1) Set a disc in DISC1 tray.  Select ALL DISC CONTINUE, and REPEAT OFF.
2) Load the tapes recording use into the decks A and B respectively.
3) Press three buttons x ,  DISPLAY  , and  DISC 4  simultaneously.
4) Aging operations of CD and tape are started at the same time.
• Tape Deck
1.
The tape in deck A is rewound. “TAPE A AG-1” is displayed.
2.
The FWD side of deck A is played for two minutes.
“TAPE A AG-2” is displayed.
3.
The tape in deck A is fast forwarded. “TAPE A AG-3” is displayed. Fast forward is carried out for 20 seconds or to the tape end.
4.
The RVS side of deck A is played for two minutes.
“TAPE A AG-4” is displayed.
5.
The tape in deck A is rewound. “TAPE A AG-5” is displayed.
6.
The FWD side of deck B is played for two minutes.
“TAPE B AG-2” is displayed.
7.
The tape in deck B is fast forwarded. “TAPE B AG-3” is displayed. Fast forward is carried out for 20 seconds or to the tape end.
8.
The RVS side of deck B is played for two minutes.
“TAPE B AG-4” is displayed.
9.
The tape in deck A is rewound. “TAPE A AG-5” is displayed.
10. Repeated from step 2.
• CD
1.
The tray rotates.
2.
DISC 5 is chucked.
3.
The TOC is read.
4.
The first track is played for 3 seconds.
5.
The last track is played for 3 seconds.
6.
DISC 1 is open.
7.
DISC 1 is close.
8.
Repeated from step 2.
18
2. Correction of Errors
[When due to tape deck]
Stopped while tape aging operation with the “  ” displayed state.
[When due to CD]
Press  x ,  DISPLAY , and  Z  together to display the error code.
• Display of number of mechanism errors
Move the stick to the left and right to display “CDM Err Count *”.
* is the number of mechanism errors.
• Display of mechanism error
Move the stick to the left and right to display “CDM E**D##$$%%!!”.
Move the stick up and down to send the error number.
**
: Error number 00 is the latest error.
The larger the number, the older will the error be. (Maximum 9)
##
: FF is the mechanism error after mechanism initialization ends.
$$
: Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 1 or 2, it indicates mechanism error in tray loading between the stocker position and behind it.
%% : Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 2, it indicates mechanism error in the up/down movements of the stocker.
!!
: Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 2, it indicates mechanism error during switching of the clamper and mode.
• No DISC error display
Move the stick left and right to display “No Disc Count *”.
* means the number of no discs.
• No DISC error display
Move the stick left and right to display “No E**D##$$%%00”.
Move the stick up and down to send the error number.
**
: Error number 01 is the latest error.
The larger the number, the older will the error be. (Maximum 3)
##
: 01 .... FOCUS ERROR
02 .... GFS ERROR
03 .... SET UP ERROR
$$
: 00 .... Judged as No DISC without attempting chucking retry
02 .... Judged as No DISC after chucking retry
%% : Judged with the first digit of the error number in the state where No DISC has been determined.
(Don’t care the second digit.)
1 ...... STOP
2 ...... SET UP
3 ...... TOC Read
4 ...... Access
5 ...... PLAY
6 ...... PAUSE
7 ...... Manual Search (during PLAY)
8 ...... Manual Search (during PAUSE)
3. Ending the Aging Mode
1) End the Aging Mode with the power off.
2) To reset the CD error history, be sure to perform cold reset.
19
VIDEO CD COLOR-BARS MODE
On this mode, the data of the color-bars signal as a picture signal and the 1kHz sine wave signal as a sound signal are output by the
mechanism control microcomputer (IC502) for video CD signal check. When measurement of the voltage and waveform on the VIDEO
board, perform it in this mode.
For reference, the color-bars signal can be observed at J302 (VIDEO OUT) and the sound signal can be observed at J101 (VIDEO/MD
(AUDIO) OUT) using an oscilloscope.
1.
Connect the lead wire to both ends of the land of SL503 of the VIDEO board.
2.
Press the  ?/1  button to turn ON the power. Press  FUNCTION  button to select CD.
3.
After 2 or 3 seconds later, connect the lead wire.
4.
After measuring, remove the lead wire connected.
[VIDEO BOARD] (SIDE A)
[VIDEO BOARD] (SIDE B)
SL501 SL502
IC507
IC505
CT503
SL503
TEST MODE
VIDEO
FREQUENCY
SL501
IC502
SL502
SL503
TEST
MODE
Page of 92
Display

Click on the first or last page to see other HCD-VZ10 service manuals if exist.