JVC KS-FX921 Fuse blows, Power cannot be turned on, No sound from the speakers, Unit becomes hot

KS-FX921

Installation/Connection Manual

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qO	O²Ò
GET0128-002A	J C 0303KKSMDTJEIN
[U]	V	EN, CH, TH, AR

ENGLISH	￿￿
• This unit is designed to operate only on 12 V DC, •	12V
NEGATIVE ground electrical systems.

INSTALLATION (IN-DASH MOUNTING)

• The following illustration shows a typical installation. • However, you should make adjustments

corresponding to your specific car. If you have anyJVC questions or require information regarding

installation kits, consult your JVC car audio dealer or a company supplying kits.

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1 Before mounting: Press (control panel release button) to detach the control panel if already attached.

*When shipped from the factory, the control panel is packed in the hard case.

2 Remove the trim plate.

3 Remove the sleeve after disengaging the sleeve locks.

1Stand the unit.

Note: When you stand the unit, be careful not to damage the fuse on the rear.

2Insert the 2 handles between the unit and the sleeve, as illustrated, to disengage the sleeve locks.

3Remove the sleeve.

Note: Be sure to keep the handles for future use after installing the unit.

4 Install the sleeve into the dashboard.

*After the sleeve is correctly installed into the dashboard, bend the appropriate tabs to hold the sleeve firmly in place, as illustrated.

5 Fix the mounting bolt to the rear of the unit’s body and place the rubber cushion over the end of the bolt.

6 Do the required electrical connections.

7 Slide the unit into the sleeve until it is locked. 8 Attach the trim plate.

Note: Ensure the recessed part is at the bottom.If not, the control panel will not open completely.

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9 Attach the control panel.

1 Control panel

ÀπÈ“ª¥—

rJײ

3	Handle
	W
	§π∫—ߧ—∫—

Slot

￿￿

√ËÕß„™È”À√— Fuse ∫æπ≈«— ¥

9µËÕ‡¢È“°∫·ºß§«∫§ÿ¡—

2 Trim plate

·ºËπ‚≈À–¢Õ∫·µËß

WM¹e

	Rubber cushion
	¬“ß°π°√—–·∑°
Sleeve	WOÞUD*« …uA(«
ª≈Õ°ÀÿÈ¡	4
w

7

Dashboard

ºßÀπÈ“ª∑¡Ï—

…—UO

184 mm

53 mm

5

		Mounting bolt
	8	≈°µ‘— ¥
		VO
		6
9	4 *
		See “ELECTRICAL CONNECTIONS”.
Sleeve		￿

dOG Òoý

ø‘«

°√ÿ≥“¥ŸÀ«—¢ÈÕ °“√‡™◊ËÕ¡‚¥¬„™È‰øøÈ“

“uOH

Lock Plate

￿￿

·ºËπ‚≈À–¬÷¥

XO³¦²

ª≈Õ°ÀÿÈ¡		Trim plate	Æ“WOzUÐdNJ	” r
w	Control panel
	ÀπÈ“ª¥—	·ºËπ‚≈À–¢Õ∫·µËß
		WM¹e

rJײ

TROUBLESHOOTING

°“√µ√«® Õ∫ª≠À“— ¢¥—¢ÈÕß

Õö

•

The fuse blows.

•

•

ø‘« ¢Ï“¥

qJAÐ W

Æ“uOH

•

*

Are the red and black leads connected correctly?

￿

*

*

¡’°“√‡™◊ËÕ¡ “¬µ–°«Ë— ¥’”·≈– ·’¥ßլ˓ß∂Ÿ°µÈÕßÀ√◊Õ‰¡Ë

ø`O×

*

•

Power cannot be turned on.

•

•

‰¡Ë“¡“√∂‡ª‘¥‡§√◊ËÕ߉¥È

ÆWOzUÐdNJ

*

Is the yellow lead connected?

*

•

•

No sound from the speakers.

•

*

¡’°“√‡™◊ËÕ¡ “¬µ–°«Ë— ‡À≈◊ÕßÀ√◊Õ‰¡Ë’

øôu

*

*

Is the speaker output lead short-circuited?

•

‰¡Ë¡’‡ ¬ßÕÕ°®“°≈”‚æß’

Æ

UŽUL

•

*

•

Sound is distorted.

•

*

“¬µ–°«Ë— «π∑’ËÕÕ°∑“ß≈”‚æ߇°‘Ë¥‰øøÈ“≈¥—«ß®√À√◊Õ‰¡Ë

øWŽUL

ÆÁuA

*

*

Is the speaker output lead grounded?

*

•

‡ ¬ß‡æ’Ȭπ’

ø÷—ôUÐ ôu

•

*

Are the “–terminals” of L and R speakers grounded

*

L

R

–￿￿

¥‘πÀ√◊Õ‰¡Ë

“≠” W³

*

in common?

*

“¬µ–°«Ë— «π∑’ËÕÕ°∑“ß≈”‚æßµËÕ≈ßË

L Èd

*

•

Unit becomes hot.

•

*

“¬¢«≈∫È— ¢Õß≈”‚æߥȓπ´È“¬·≈–¢«“µËÕ≈ߥ‘πµ“¡ª°µ‘À√◊Õ‰¡Ë

øiFÐ l

R vMLO

*

Is the speaker output lead grounded?

•

™ÿ¥ª√–°Õ∫√ÈÕπ¢÷Èπ

Æ“UN'« s

•

*

ø÷—ôUÐ ôu

*

Are the “–terminals” of L and R speakers grounded

*

L

R

–￿￿

*

“¬µ–°«Ë— «π∑’ËÕÕ°∑“ß≈”‚æßµËÕ≈ßË

¥‘πÀ√◊Õ‰¡Ë

*

in common?

L Èd

“≠” W³

*

\

*

“¬¢«≈∫È— ¢Õß≈”‚æߥȓπ´È“¬·≈–¢«“µËÕ≈ߥ‘πµ“¡ª°µ‘À√◊Õ‰¡Ë

øiFÐ l

R vMLO «Ë

1