DOWNLOAD Sony FST-ZUX9 / HCD-ZUX9 / LBT-ZUX9 Service Manual ↓ Size: 12.05 MB | Pages: 118 in PDF or view online for FREE

25

3

two coil springs 

     (insulator)

5

two coil springs 

     (insulator)

4

two insulators 

6

two insulators 

7

optical pick-up

     (BU-K6BD91UR)

1

two floating screws

     (+PTPWH M2.6)

2

two floating screws

     (+PTPWH M2.6)

2

tray

3

belt (table)

5

pulley (table)

8

screw

     (+BTTP (M2.6))

0

SENSOR board

7

gear (geneva)

9

CN731
(3P)

1

floating screw 

     (+PTPWH M2.6)

6

floating screw 

     (+PTPWH M2.6)

4

floating screw 

     (+PTPWH M2.6)

26

6

Remove the two solderings of motor.

8

MOTOR (TB) board

7

table motor assy (M741)

5

two screws

     (+BTTP (M2.6))

4

1

stopper

2

stopper

table

3

 wire (flat type) (5 core)

    (CN742)

2

Remove the two solderings of motor.

4

MOTOR (LD) board

1

belt (loading)

5

loading motor assy (M751)

3

two screws

     (+BTTP (M2.6))

27

• This mode is used to check the fluorescent indicator tube,

LEDs, keys, [MASTER VOLUME] jog, [OPERATION DIAL]
jog, [X-ROUND] jog, model, destination and software version.

1. Press  

@/1

  button to turn on the system.

2. Press  

x

    button,  [ENTER]  button and [DISC 2]  button

simultaneously.

3. All LEDs and segments in fluorescent indicator tube are lighted

up.  All LEDs are lighted. The POWER LED is lighted up in
red color if the system is turned off/on.

4. When you want to enter to the software version display mode,

press [DISC 1] button. The model and destination are displayed.

5. During model and destination information display, press [DISC

1] button. Each time [DISC 1] button is pressed, the fluorescent
indicator tube shows the version and the software creation date
of each category software in the following sequence: MC
version, GC version, SYS version, CD version, CDDM
version, CDMA version, CDMB version, BDA version, BDB
version, ST version, TC version, TA version, TM version, MM1
version, MM2 version (USB Micom) and return back to model
and destination information display.

6. Press [DISC 2] button, the key check mode is activated.
7. In the key check mode, the fluorescent indicator tube displays

“K 0 J0 V0 X0”.
Each time a button is pressed, “K” value increases. However,
once a button has been pressed, it is no longer taken into
account.
“V” value increases in the manner of 0,1, 2, 3 ... if [MASTER
VOLUME]  knob is turned clockwise, or it decreases in the
manner of 0, 9, 8,7  ... if [MASTER VOLUME] knob is turned
counterclockwise.
“J” value increases in the manner of 0,1, 2, 3 ... if [OPERATION
DIAL] knob is turned clockwise, or it decreases in the manner
of 0, 9, 8,7  ... if [OPERATION DIAL]  knob is turned
counterclockwise.
“X” value increases in the manner of 0,1, 2, 3 ... if [X-ROUND]
knob is turned clockwise, or it decreases in the manner of 0,
9, 8,7  ... if [X-ROUND] knob is turned counterclockwise.

8. When  [DISC SKIP/EX-CHANGE]  button is pressed after all

LEDs and segments in fluorescent indicator tube light up,
alternate segments in fluorescent indicator tube and LEDs
would light up. If you press [DISC SKIP/EX-CHANGE] button
again, another half of alternate segments in fluorescent
indicator tube and LEDs would light up.  Pressing [DISC SKIP/
EX-CHANGE]  button again would cause all segments in
fluorescent indicator tube and LEDs light up.

9. To release from this mode, press three buttons in the same

manner as step 2, or disconnect the power cord.

• This mode is used to check operations of the respective sections

of Amplifier and Tape.

• To enter MC Test Mode

1. Press  

x

    button,  [ENTER]  button and [DISC 3]  button

simultaneously.

2. The disc number indicators and TAPE A and B indicators flash

on the fluorescent indicator tube. The function is changed to
VIDEO and the volume is changed to VOLUME MIN/MAX.

• Check of Amplifier

1. Press  [EQ BAND/MEMORY] button repeatedly until a message

“GEQ MAX” appears on the fluorescent indicator tube. GEQ
increases to its maximum.

2. Press  [EQ BAND/MEMORY] button repeatedly until a message

“GEQ MIN” appears on the fluorescent indicator tube. GEQ
decreases to its minimum.

3. Press  [EQ BAND/MEMORY] button repeatedly until a message

“GEQ FLAT” appears on the fluorescent indicator tube. GEQ
is set to flat.

4. When the [MASTER VOLUME] knob is turned clockwise even

slightly, the sound volume increases to its maximum and a
message “VOLUME MAX” appears on the fluorescent
indicator tube.

5. When the [MASTER VOLUME] knob is turned counterclockwise

even slightly, the sound volume decreases to its minimum and
a message “VOLUME MIN” appears on the fluorescent
indicator tube.

• Tape function

1. When a tape is inserted in Deck B and recording is started, the

function is changed to VIDEO automatically. When [CD-TAPE
SYNC] button is pressed during recording in function, ALC
(Automatic Logic Control) is turned on.

2. During recording, press  

m/

–

 

  button will stop the recording

and the function is changed to TAPE B and rewind the tape in
Deck B until the recording start position and playback of the
tape in Deck B is started. If the [TAPE REC PAUSE/ START]
button is pressed for a pause and pressed again to resume
recording during recording time, when the tape is rewind, the
tape will be rewind until the position where the pause is applied.

• To release from Common Test mode

1. To release from this mode, press  

@/1

  button.

2. The cold reset is enforced at the same time.

• 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.

1. Press  

@/1

  button to turn on the system.

2. Press  

x

    button,  [ENTER]  button, and  

@/1

    button

simultaneously.

3. “COLD RESET” appears on the fluorescent indicator tube.

After that, the fluorescent indicator tube becomes blank for a
while, and the system is reset.

• This mode is used to switch ON and OFF the VACS (Variable

Attenuation Control System).

1. Press  

@/1

  button to turn on the system.

2. Press  

x

    button and [BEAM MODE]  button simultaneously.

The message “VACS OFF” or “VACS ON” appears on the
fluorescent indicator tube.

28

• The step interval of AM channels can be toggled between 9

kHz and 10 kHz. This mode is not available for Saudi Arabian
and Russian models.

1. Press  

@/1

  button to turn on the system.

2. Press [TUNER/BAND] button repeatedly to select the “AM”.
3. Press  

@/1

  button to turn off the system.

4. Press [ENTER] button and  

@/1

  button simultaneously. The

system turns on automatically. The message “AM  9K STEP”
or “AM 10K STEP” appears on the fluorescent indicator tube
and thus the channel step is changed.

• This mode let you move the CD sled motor freely. Use this

mode when you want to clean the optical pick-up.

1. Press  

@/1

  button to turn on the system.

2. Press [CD] button to select CD function.
3. Press  

x

  button, [ENTER] button, and [OPEN/CLOSE] button

simultaneously.

4. The CD service mode is activated. The message “SERVICE

MODE” appears on the fluorescent indicator tube.

5. With the disc in stop status, press  

M/ 

 

+

  button to move

the optical pick-up to outside track, or press  

m/

–

 

  button

to move to inside track. The message “SLED OUT” or “SLED
IN” appears on the fluorescent indicator tube.

6. To  turn on or off the laser, press [FLANGER]  button. The

message “LD ON” or “LD OFF” appears on the fluorescent
indicator tube.

7. To release from this mode, press  

@/1

  button.

• This mode can be used for operation check of CD section.

If an error occurs, the aging operation would stops and the

status is displayed.

If there were no error occurs, the aging operation would

continue repeatedly.

1. Press  

@/1

  button to turn on the system.

2. Select CD function.
3. Load three discs on the disc tray.
4. Press  [PLAY MODE/TUNING MODE]  button on the remote

repeatedly to select the “ALL DISCS” mode, and press the
[REPEAT/FM MODE] button on the remote repeatedly to select
“REPEAT OFF” mode.

5. Press  

x

  button, [ENTER] button and [DISC SKIP/EX-CHANGE]

button simultaneously.

6. Aging operation is started.
7. To release from this mode, press  

@/1

  button or disconnect the

power cord to turn off the system.

DISC CHUCKING

TOC READING

PLAY FIRST TRACK FOR 2

SECONDS

OPEN THE DISC TRAY

DISC SKIP

CLOSE THE DISC TRAY

START 

PLAY LAST TRACK FOR 2

SECONDS

EX-CHANGE OPEN/CLOSE

CHANGE THE NEXT DISC