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– 5 –

 Follow the disassembly procedure in the numerical order given.

4

 Flat type cable (19 core)

2

 Screw (BVTP 3x8)

3

 Holder level

5

 Sliding panel assembly

Slide mechanism

1

 Push the OPEN/CLOSE button to 

open the Sliding panel assembly.

1

 Screw (BVTP2.6x8)

4

 Four screw

    (BVTP2.6x8)

5

 Holder (L) assembly

a

a

b

b

6

 Four screw (BVTP2.6x8)

7

 Holder (R) assembly

8

 Remove the Level slider direction of arrow.

2

 Screw 

    (BVTP2.6x8)

3

 Top bracket

NOTE :
Attach in the reverse order, but make sure the rollers (

a

, 

b

) of the

holder (L) assembly and holder (R) assembly fit into the grooves of
the level slider.

– 6 –

Normally, use the unit connected to the HTC-W555 as follows.
Basically, when servicing the unit, connect the unit as follows.

Even when not connected to the HTC-W555, the unit can operate alone as it mounts a power supply (some functions will however not be
available).

• 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  EDIT  ,  ENTER/NEXT  , and  DISPLAY/DEMO  simultaneously.
2. The fluorescent indicator tube becomes blink instantaneously, and the set is reset.

• This mode moves the pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair.
Procedure:
1. Press  1/u  button to turn the set ON.
2. Press  LOOP  button and  1/u  button simultaneously.
3. A message “LOCK” is displayed on the fluorescent indicator tube, and the CD delivery mode is set.

• This mode resets the set with the preset data kept stored in the memory.  The hot reset mode functions same as if the power cord is plugged

in and out.

Procedure:
1. Press three buttons  REPEAT  ,  ENTER/NEXT  , and  DISPLAY/DEMO  simultaneously.
2. The fluorescent indicator tube becomes blink instantaneously, and the set is reset.

• This mode can run the CD sled motor freely. Use this mode, for instance, when cleaning the pick-up.
Procedure:
1. Select the function “CD”.
2. Press three buttons  FLASH  ,  ENTER/NEXT  , and  KARAOKE PON/MPX  simultaneously.
3. The Sled Servo mode is selected, if “CD” is blinking on the fluorescent indicator tube.
4. With the CD in stop status, press  ) +  button move the pick-up to outside track, or  – 0  button to inside track.
5. To exit from this mode, perform as follows:

1) Move the pick-up to the most inside track.
2) Press three buttons in the same manner as step 2.

Note:
• Always move the pick-up to most inside track when exiting from this mode.  Otherwise, a disc will not be unloaded.
• Do not run the sled motor excessively, otherwise the gear can be chipped.

• The FUNCTION name of external input terminal can be changed over to VIDEO 1 or MD. With the FUNCTION selected to “MD”, about

5dB mute is applied to the input gain.

Procedure:
1. Press  1/u  button to turn the set OFF.
2. Press  1/u  button together with  FUNCTION  button, and the power is turned on, the display of fluorescent indicator tube changes to

“MD” or “VIDEO 1” instantaneously, and thus the FUNCTION is changed over.

• A step of AM channels can be changed over between 9kHz and 10kHz.
Procedure:
1. Press  1/u  button to turn the set ON.
2. Select the function “TUNER”, and press  TUNER/BAND  button to select the BAND “AM”.
3. Press  1/u  button to turn the set OFF.
4. Press  ENTER/NEXT  and  1/u  buttons simultaneously, and the display of  fluorescent indicator tube changes to “AM 9k STEP” or “AM

10k STEP”, and thus the channel step is changed over.

AC IN

UNIT

HTC-W555

SYSTEM CONTROL 17P

– 7 –

Procedure:
1. Press  1/u  button to turn the set ON.
2. Press the  OPEN/CLOSE  button to open the sliding panel.
3. Press three buttons  DELAY  ,  ENTER/NEXT  , and  DISPLAY/DEMO  simultaneously.
4. LEDs and fluorescent indicator tube are all turned on. Each time the  MOVIE  button is pressed, the fluorescent indicator tube lights up as

follows:
lights up completely n lights up partially 1 n lights up partially 2 n lights up completely.

5. Press  GAME  button, and the key check mode is activated.
6. In the key check mode, the fluorescent indicator tube displays “K @@ V0 J0”.  Each time a button is pressed, “K”value decreases.

However, once a button is pressed, it is no longer taken into account. (@@ means the total of buttons)
“J” Value increases like 1, 2, 3 ... if rotating  JOG  knob in “+”  direction, or it decreases like 0, 9, 8 ... if rotating in “-” direction.
“V” Value increases like 1, 2, 3 ... if rotating  VOLUME  knob in “+”  direction, or it decreases like 0, 9, 8 ... if rotating in “-” direction.

7. Pressing all buttons lights up the fluorescent indicator tube completely.
8. To exit from this mode, press three buttons  EDIT  ,  ENTER/NEXT  and  DISPLAY/DEMO  simultaneously. (COLD RESET)
9. To exit from this mode, press three buttons in the same manner as step 1, or disconnect the power cord.

This mode can be used for checking the operations of the CD player and tape deck.
• When problems occur;

Aging stops, and the stopped state is displayed on the fluorescent indicator tube.

• When no problems;

Aging continues.

Preparations:
• Set the CD on the DISC1 tray.
• Insert a commercially available tape for recording (tapes which contents can be erased, etc.) in decks A and B.

Press the  PLAY MODE  button,  ENTER/NEXT  button, and  STEREO/MONO  button together.
When the aging mode is set, the CD roulette mark blinks. To exit the mode, press the  1/u  button and turn OFF the power.

The aging mode is executed in the following sequence.
If the function is set to “CD” when the aging mode is set, aging is performed starting from the CD player. When set to “TAPE A” or “TAPE
B”, aging is started from deck A.
If the function is set to others, aging will not be started until the function is switched to CD or TAPE.

• The aging status is displayed on the fluorescent indicator tube.
• Normally, the CD player displays the remaining aging time. But if operations ended abnormally, it displays the cause.
• During the aging of the tape deck, the operations performed will be displayed. If operations ended abnormally, this will be displayed at the

fluorescent display tube.

• During normal operations:

Display of fluorescent indicator tube

**1-@@

**: Displays “CD” and the remaining aging time (minutes) alternately. The remaining aging time is counted down from 12.

@@: Track number being accessed.

Aging of CD player (12 minutes)

Aging of deck A

Aging of deck B

12 minutes

– 8 –

Display of Operations

Operation

TAPE A AG-1

TAPE A AG-2

TAPE A AG-3

TAPE A AG-4

TAPE A AG-5

TAPE B AG-1

TAPE B AG-2

TAPE B AG-3

TAPE B AG-4

TAPE B AG-5

TAPE A REW

TAPE A FWD

TAPE A FF

TAPE A REV

TAPE A REW

TAPE B REW

TAPE B FWD

TAPE B FF

TAPE B REV

TAPE B REW

Timing of Ending

Shutoff

2 minute playback

20 seconds or shutoff

2 minutes playback

Shutoff

Shutoff

2 minute playback

20 seconds or shutoff

2 minute playback

Shutoff

• Operations are performed in the following sequence during aging

1. The CD tray rotates and disc 1 is selected.
2. Chucking is performed.
3. TOC is read.
4. Track 1 played back for 2 seconds.
5. The last track is played back for 2 seconds.
6. 1 to 5 is repeated.
7. After 12 minutes of aging, aging is switched to the tape deck.

1. The tape in deck A is rewound to the head.
2. The FWD side is played back for 2 minutes.
3. The tape is fast forwarded (FF) for 20 seconds. The following procedure is performed when the tape end is reached before the 20 seconds.
4. The REV side is played back for 2 minutes.
5. The tape is rewound to the head (REW).
6. The tape in deck B is rewound to the head.
7. The FWD side is played back for 2 minutes.
8. The tape is fast forwarded (FF) for 20 seconds. The following procedure is performed when the tape end is reached before the 20 seconds.
9. The REV side is played back for 2 minutes.
10. The tape is rewound to the head (REW).
11. Aging is switched to the CD player.

Display

Main Cause

NO DISC ERR

FOCUS1 ERR

FOCUS2 ERR

GFS ERR

FBIAS ERR

SENSOR ERR

TABLE ERR

TRAY ERR

DISC 1 is NO DISC from the beginning

Focus is not imposed properly

The focus deviated several times after the disc rotated normally

GFS ERROR

Error during focus bias adjustment

DISC 1 was found to be NO DISC by the disc sensor

The table did not rotate normally

The tray containing the BD did not operate normally