Sony HCD-RV222 / MHC-RV222 Service Manual ▷ View online
17
HCD-RV222
3-15. SENSOR BOARD
3-16. MOTOR (TB) BOARD
2
tray
3
belt (table)
5
pulley (table)
8
screw
(+BTTP (M2.6))
0
SENSOR board
7
gear (geneva)
1
floating screw
(+PTPWH M2.6)
6
floating screw
(+PTPWH M2.6)
4
floating screw
(+PTPWH M2.6)
9
CN731 (3P)
8
MOTOR (TB) board
table assy
7
table motor assy (M741)
5
two screws
(+BTTP (M2.6))
3
1
stopper
2
stopper
4
wier (flat type) (5 core)
(CN742)
6
Remove the two solders.
18
HCD-RV222
3-17. MOTOR (LD) BOARD
3
MOTOR (LD) board
1
belt (loading)
5
loading motor assy (M751)
2
two screws
(+BTTP (M2.6))
4
Remove the two solders.
19
HCD-RV222
SECTION 4
TEST MODE
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:
RAM to initial conditions. Execute this mode when returning the
set to the customer.
Procedure:
1. Press the
I
/1
button to turn the power ON.
2. Press three buttons of
x
, [PLAY MODE/TUNING MODE] and
[DISC 1] simultane-ously.
3. The message “COLD RESET” is displayed on the fluorescent
indicator tube momentarily, then becomes standby states.
AM TUNING INTERVAL CHANGE-OVER
A step of AM tuning interval can be changed over between 9 kHz
and 10 kHz.
Procedure:
and 10 kHz.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [TUNER/BAND] button to select “AM”.
3. Press the
3. Press the
I
/1
button to turn the power off.
4. Press two buttons of [PLAY MODE/TUNING MODE] and
I
/1
simultaneously.
5. The message “AM 9K STEP” or “AM 10K STEP” is displayed
on the fluorescent indicator tube, and thus the channel step is
changed over.
changed over.
CD SHIP (LOCK) MODE
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:
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [CD] button to select “CD”.
3. Press two buttons of [CD] and
3. Press two buttons of [CD] and
I
/1
simultaneously.
4. The message “LOCK” is displayed on the fluorescent indicator
tube, and the CD ship mode is set.
CD SHIP (LOCK) MODE & COLD RESET
This mode is used to perform CD chip (lock) mode and cold reset
simultaneously.
Procedure:
simultaneously.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [CD] button to select “CD”.
3. Press three buttons of
3. Press three buttons of
x
, [CD] and
I
/1
simultaneously.
4. The message “COLD RESET” is displayed on the fluorescent
indicator tube momentarily, then becomes standby states.
CHANGE-OVER FUNCTION OF SAT/VIDEO
This mode is used to enable function of external input to change
over between SAT and VIDEO.
Procedure:
over between SAT and VIDEO.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press two buttons of
VIDEO/SAT
and
I
/1
simultaneously.
3. The message “SAT” or “VIDEO”is displayed on the
fluorescent indicator tube, and the function of external input
is changed over.
is changed over.
CD TRAY LOCK MODE
This mode is used to unable to take sample disc out of tray in the
shop.
Procedure:
shop.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [CD] button to select “CD”.
3. Set disc on the CD tray, press two buttons of
3. Set disc on the CD tray, press two buttons of
x
and
Z
for 5
seconds.
4. The message “LOCKED” is displayed on the fluorescent
indicator tube and the CD tray is locked. (Even if pressing
the
the
Z
button, the message “LOCKED” is displayed on the
fluorescent indicator tube and the CD tray is locked)
5. To release from this mode, press two buttons of
x
and
Z
for
5 seconds.
6. The message “UNLOCKED” is displayed on the fluorescent
indicator tube and the CD tray is unlocked.
AMP TEST MODE
This mode is used to display the parameter of amplifier IC and
display the VACS status.
Procedure:
display the VACS status.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press three buttons of
x
, [PRESET EQ] and [PLAY MODE/
TUNING MODE] simultaneously.
3. When the AMP test mode is activated, the message “AMP
TEST IN” is displayed on the fluorescent indicator tube
momentarily, then amplifier adjustment mode is displayed on
the fluorescent indicator tube.
momentarily, then amplifier adjustment mode is displayed on
the fluorescent indicator tube.
4. Press the [DISPLAY] button to changed over between VACS
status display mode and the amplifier IC parameter display
mode.
mode.
5. In the amplifier IC parameter display mode, press the
[GROOVE] button to changed over DBFB on/off, and when it
is on, the character “D” is displayed on the fluorescent indicator
tube.
is on, the character “D” is displayed on the fluorescent indicator
tube.
6. In the amplifier IC parameter display mode, press the
[SURROUND] button to changed over surround on/off, and
when it is on, the character “S” is displayed on the fluorescent
indicator tube.
when it is on, the character “S” is displayed on the fluorescent
indicator tube.
7. In the amplifier IC parameter display mode, turn each knob of
[ -- EQ + ] causes respective parameters to be changed,
as well as change-over of the display on the fluorescent
indicator tube.
as well as change-over of the display on the fluorescent
indicator tube.
CD SERVICE MODE
This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
instance, when cleaning the optical pick-up.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [CD] button to select “CD”.
3. Press three buttons of
3. Press three buttons of
x
, [PLAY MODE/TUNING MODE] and
Z
simultaneously.
4. When the CD service mode is activated, the message “MPEG
AV TEST” is displayed on the fluorescent indicator tube.
5. Press the
M
button, optical pick-up move to outside track
and the message “SLED OUT” is displayed on the fluorescent
indicator tube.
indicator tube.
6. Press the
m
button, optical pick-up move to inside track and
the message “SLED IN” is displayed on the fluorescent
indicator tube.
indicator tube.
7. Press the [ENTER] button, traverse on/off is changed over.
8. Press the [EQ BAND] button when MPEG AV Test mode is
8. Press the [EQ BAND] button when MPEG AV Test mode is
activated, the massage “SERVICE MODE” is displayed on
the fluorescent indicator tube and AV Test mode is activated.
the fluorescent indicator tube and AV Test mode is activated.
. >
20
HCD-RV222
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:
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
/1
button to turn the power on.
2. Press the [CD] button to select “CD”.
3. Set disc on the CD tray and set tape into the deck.
4. Press three buttons of
3. Set disc on the CD tray and set tape into the deck.
4. Press three buttons of
x
, [PLAY MODE/TUNING MODE] and
[DISC SKIP/EX-CHANGE] simultaneously.
5. Aging operations of CD and tape are started at the same time.
6. To release from this mode, press the
6. To release from this mode, press the
I
/1
button to turn the
power off and press the function buttons.
1. Display at the Aging Mode
Display operating state of CD section and tape deck section
alternately.
If an error occurred, stop display which that section.
alternately.
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.
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
EX-change open/close
Open the disc tray
Disc skip
Close the tray
Change the next disc.
3. Tape Deck Section
The sequence during the aging mode is following as below.
If an error occurred, stop display that step.
If an error occurred, stop display that step.
Aging mode sequence (tape deck section) :
Rewind the tape A and B
“TAPE AAG-1 or TAPE BAG-2”
Shut off
FWD play the tape A
“TAPE AAG-3”
2 minutes
Rewind the tape A
“TAPE AAG-6”
Shut off
FWD play the tape B
“TAPE BAG-3”
2 minutes
Rewind the tape B
“TAPE BAG-6”
Shut off
Note:
“TAPE *AG-*” is display of each step.
PANEL TEST MODE
This mode is used to check the fluorescent indicator tube, LEDs
and buttons.
Procedure:
and buttons.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press three buttons of
x
, [PLAY MODE/TUNING MODE] and
[ENTER] simultane-ously.
3. Fluorescent indicator tube and LEDs are all turned on.
4. Press two buttons of
4. Press two buttons of
X
and [ENTER] simultaneously, mode
is changed over.
5. In the key check mode, press each key, the defined key number
of every each key list is displayed on the fluorescent indicator
tube.
tube.
6. In the key count check mode, “KEYCNT 0” is displayed on
the fluorescent indicator tube. Each time a key is pressed, “K”
value increases. However, once a key is pressed, it is no longer
taken into account.
value increases. However, once a key is pressed, it is no longer
taken into account.
7. In the headphone input check mode, connect the headphone,
the message “H_P ON” is displayed on the fluorescent
indicator tube, and disconnect the headphone, the message
“H_P OFF” is displayed on the fluorescent indicator tube.
indicator tube, and disconnect the headphone, the message
“H_P OFF” is displayed on the fluorescent indicator tube.
8. In the volume check mode, “VOLUME FLAT” is displayed
on the fluorescent indicator tube. Turn the [VOLUME] knob
clockwise, the message “VOLUME UP” is displayed on the
fluorescent indicator tube momentarily and turn the [VOLUME]
knob counterclockwise, the message “VOLUME DOWN” is
displayed on the fluorescent indicator tube momentarily.
clockwise, the message “VOLUME UP” is displayed on the
fluorescent indicator tube momentarily and turn the [VOLUME]
knob counterclockwise, the message “VOLUME DOWN” is
displayed on the fluorescent indicator tube momentarily.
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