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Model
HCD-RV777D HCD-RV888D HCD-RV999D MHC-RV777D MHC-RV888D MHC-RV999D
Pages
119
Size
11.7 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-rv777d-hcd-rv888d-hcd-rv999d-mhc-rv777d-mhc-rv.pdf
Date

Sony HCD-RV777D / HCD-RV888D / HCD-RV999D / MHC-RV777D / MHC-RV888D / MHC-RV999D Service Manual ▷ View online

21
HCD-RV777D/RV888D/RV999D
3-16. MOTOR (LD) BOARD
4
Remove the two solderings of motor.
3
MOTOR (LD) board
1
belt (loading)
5
loading motor assy (M751)
2
two screws
     (+BTTP (M2.6))
22
HCD-RV777D/RV888D/RV999D
[GC Test Mode]
• This mode is used to check the fluorescent indicator tube, LEDs,
keyboard, volume and phones.
Procedure:
1. Press three buttons of  x  ,  PLAY MODE/TUNING MODE
and  ENTER  simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
3. Press two buttons of  X  and  ENTER  simultaneously. Whenever
these two buttons are pressed simultaneously, the mode changes
from Key check, Key count check, Headphones input check
and Volume check in this order.
4. When the Key check mode is entered, the message
“KEY :0 0 0” is displayed.
The keys that are assigned to the respective channels of the key
entry signal lines (KEY1, KEY2, KEY3) that are input to IC101
Display Controller on the PANEL board, are checked. While
you press the button, the number that corresponds to the key
shown in the table below, is displayed in the location of the
corresponding channel. (The  ?/1  and  DISPLAY  buttons are
not included in these channels.)
[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 of  x  ,  PLAY MODE/TUNING MODE
and  DISC 1  simultaneously.
2. The message “COLD RESET” is displayed, 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  `/1  button to turn the power ON, and set the function
to TUNER/BAND “AM”.
2. Press the  `/1  button to turn the power OFF.
3. Press two buttons of  PLAY MODE/TUNING MODE  and
  `/1    simultaneously, and the message changes to “AM 9 k
STEP” or “AM 10 k STEP”, and thus the channel step is changed
over.
[VIDEO/MD Function Change]
• Change of function VIDEO or MD (also the input level changes).
Procedure:
1. Press the  `/1  button to turn the power ON.
2. Press two buttons of  VIDEO/SAT  and  `/1  simultaneously,
and the message changes to “MD” or “VIDEO”, and thus the
channel step is changed over.
3. Press the  `/1  button to turn the power OFF.
[DISC TRAY LOCK]
The disc tray lock function for the antitheft of a demonstration disc
in the store is equipped.
Setting Procedure :
1. Press the  ?/1  button to turn the power ON.
2. Press two buttons of  x  and  Z  simultaneously for five seconds.
3. The message “LOCKED” is displayed, and the tray is locked.
Releasing Procedure :
1. Press two buttons of  x  and  Z  simultaneously for five seconds.
2. The message “UNLOCKED” is displayed, and the tray is
unlocked.
Note:
When the message “LOCKED” is displayed, the tray lock is
not released by turning power ON/OFF with the  ?/1  button.
SECTION 4
TEST MODE
5. When the Key count check mode is entered, the message
“KEYCN:T 0 1” is displayed.
Whenever the button is pressed, number in the first digit
increments (30). At the same time, only when the key is being
pressed, the KEY channel is displayed in the second digit.
(KEY1: 2, KEY2: 3, KEY3: 4)
(The buttons that are already pressed once and the buttons of
  ?/1  and  DISPLAY  are not counted.)
6. When the Headphones input check mode is entered, the message
“H_P OFF” or “H_P ON” is displayed, and depending on the
PHONES jack status.
7. When the Volume check mode is entered, the message
“VOLUME FLAT” or “VOLUME DOWN” or “VOLUME UP”
is displayed, and depending on the VOLUME status.
8. You can exit the Test Mode when you press two buttons of  X
and  ENTER  simultaneously.
Display
Left
Center
Right
(KEY1)
(KEY2)
(KEY3)
1
EQ BAND
DVD
GROOVE
2
DISC 1
TUNER/BAND
SOUND FIELD
3
DISC 2
TAPE A/B
EFFECT
ON/OFF
4
DISC 3
GAME
TUNING +
5
DISC SKIP/
VIDEO/SAT
gG
EX-CHANGE
6
Z
ILLUMINATION
M
ALBUM +
7
KARAOKE/
 
PLAY MODE/
m
MPX
TUNING MODE
ALBUM –
8
P-FILE
GAME
X
MIXING
9
PRESET EQ
CD SYNC
x
10
ENTER
REC PAUSE/
TUNING –
START
23
HCD-RV777D/RV888D/RV999D
[Aging Mode]
This mode can for operation check of tape deck section.
• If an error occurred:
The aging operation stops and display then status.
• If no error occurs:
The aging operation continues repeatedly.
Procedure:
1. Press the  DVD  button to select the function “DVD”.
2. Load the tapes into the decks A and B respectively.
3. Set a disc in “DISC 1” tray.
4. Press the  PLAY MODE/TUNING MODE  button to set the
“ALL DISCS” mode, and press the  PRESET EQ  button to
“REPEAT” off.
5. Press three buttons of  x  ,  PLAY MODE/TUNING MODE
and  DISC SKIP/EX-CHANGE  simultaneously.
6. The message “AGING” is displayed, and aging mode start.
7. To exit from the aging mode, operate the cold reset.
• The sequence during the aging mode is following as below.
• If an error occurred, stop display that step.
Aging mode sequence (Tape deck section):
[MC Test Mode]
• This mode is used to check operations of the respective sections
of Amplifier, Tuner, and Tape.
Procedure:
• To enter MC Test Mode
1. Press the   `/1  button to turn the power ON.
2. Press three buttons of  x ,  PLAY MODE/TUNING MODE
and  DISC 3  simultaneously.
* Check of Amplifier
Initial settings: Input
, GAME
EQ
, FLAT
Mode
, MUSIC
VACS
, OFF
Output channel switching:
MUSIC key: L
, L
, R through
MOVIE key: L
, SL
, SR through
GAME key:L
, L, SL, C R , R, SR, SW through
TOOL MODE key: L 
, C
, SW through
1. When  VOLUME  control knob is turned clockwise even slightly,
the sound volume increases to is maximum and the message
“VOLUME MAX” is displayed for two seconds, then the display
returns to the original display.
2. When  VOLUME  control knob is tuned counter-clockwise even
slightly, the sound volume decreases to its minimum and the
message “VOLUME MIN” is displayed for two seconds, then
the display returns to the original display.
3. When you press the  PRESET EQ  button, the message “GEQ
FLAT” is displayed, and the entire band of the graphic equalizer
is set to the center level.
4. Whenever you press the  GROOVE  button, it toggles between
“VACS ON” and “VACS OFF” so that you can switch ON or
OFF of VACS.
* To return to normal mode again.
1. When you want to exit this mode, press the  `/1  button.
2. The cold reset is enforced at the same time.
Rewind the tape A
“TAPE  AAG--1”
Rewind the tape B
“TAPE  AAG--2”
FWD play the tape A
“TAPE  AAG--3”
Fast forward the tape A
“TAPE  AAG--4”
RVS play the tape A
“TAPE  AAG--5”
Rewind the tape A
“TAPE  AAG--6”
FWD play the tape B
“TAPE  BAG--3”
Fast forward the tape B
“TAPE  BAG--4”
RVS play the tape B
“TAPE  BAG--5”
Rewind the tape B
“TAPE  BAG--6”
Shut off
Shut off
2 minutes
Shut off or 20 seconds
2 minutes
Shut off
2 minutes
Shut off or 20 seconds
2 minutes
Shut off
24
HCD-RV777D/RV888D/RV999D
2. CDM Error History <CDM74S Error History Display>
11 digits are displayed after the M character.
Example of display : M0FF400220000
1st digit
: Indicates the error history number.
0 is the latest error
2nd to 3rd digits
: Indicates the details of the problem.
01 : Initialization table is currently rotating 1
02 : Initialization table is currently rotating 2
03 : Initialization table is currently rotating 3
04 : Currently DISC SKIP in OPEN mode
05 : CLOSE table is currently rotating
06 : Chucking table is currently rotating
07 : Currently performing SHIP operations
08 : Currently performing release operations
09 : Currently performing POWER OFF
operations
4th to 5th digits
: Processing when problems occur
01 : Currently performing SHIP operations
02 : Currently performing POWER OFF
operations
03 : Currently initializing
04 : Currently performing release operations
05 : Currently in chuck stop state
06 : Currently performing CLOSE operations
07 : Currently performing exchange CLOSE
operations
08 : Currently performing OPEN operations
09 : Currently performing OPEN POP UP
operations
0A: Currently performing exchange OPEN
operations
6 to 7th digits
: Operations currently performed for problems
which have occurred
8th to 9th digits
: Targets of processing when problems occur
Same as 4th to 5th digits
10th to 11th digits : Fixed at 00
[DVD and CD Ship Mode (No Memory Clear)]
• This mode moves the position to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the  `/1  button to turn the power ON.
2. Press two buttons of  DVD  and  `/1  simultaneously.
3. After the “STANDBY” display blinks 15 times, the message
“LOCK” is displayed, and the DVD ship mode is set.
[DVD and CD Ship Mode (Memory Clear)]
• 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 the  `/1  button to turn the power ON.
2. Press three buttons of  x ,  DVD  and  DISPLAY  simultaneously.
3. After the “STANDBY” display blinks 15 times, the message
“LOCK” is displayed, and the DVD ship mode is set.
[DVD Service Mode]
• The sequence during the aging mode is following as below.
Aging mode sequence (DVD section):
Disc 1 Chucking
TOC Read
Tray Turn
2 seconds
Track 1 Play
Last Track Play
2 seconds
Error History Display
1. BD Error History Display
11 digits are displayed after the D character.
Example of display : D00209010100
1st digit
: Indicates the error history number.
0 is the latest error
2nd to 3rd digits
: Indicates details of the problem.
01
: Cannot focus
02
: GFS NG
03
: Start time over
04
: Focus deviates continuously
05
: Q code absent for some time
4th to 5th digits
: Processing when problems occur
01
: Currently SHIP processing
02
: Currently POWER OFF processing
03
: Currently initializing
04
: Currently stopping
05
: Currently STOP operation processing
06
: Currently start processing
07
: Currently TOC reading
08
: Currently searching
09
: Currently playing
0A
: Currently pausing
0B
: Currently PLAY manual searching
0C
: Currently PAUSE manual searching
6th to 7th digits
: Operations currently performed for problems
which have occurred
8th to 9th digits
: Rotation speed of DISC when problems occur
01
: x1 speed
02
: x2 speed
10th to 11th digits : Fixed at 00
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