Electrical connections, Troubleshooting, Лх¡‚¥¬„™и‰шши – JVC KD-G615 User Manual
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2
TROUBLESHOOTING
•
The fuse blows.
* Are the red and black leads connected correctly?
•
Power cannot be turned on.
* Is the yellow lead connected?
•
No sound from the speakers.
* Is the speaker output lead short-circuited?
•
Sound is distorted.
* Is the speaker output lead grounded?
* Are the “–” terminals of L and R speakers grounded in common?
•
Noise interfere with sounds.
* Is the rear ground terminal connected to the car’s chassis using shorter and thicker cords?
•
Receiver becomes hot.
* Is the speaker output lead grounded?
* Are the “–” terminals of L and R speakers grounded in common?
•
This receiver does not work at all.
* Have you reset your receiver?
ELECTRICAL CONNECTIONS
To prevent short circuits, we recommend that you disconnect the battery’s negative terminal and
make all electrical connections before installing the receiver.
•
Be sure to ground this receiver to the car’s chassis again after installation.
Notes:
• Replace the fuse with one of the specified rating. If the fuse blows frequently, consult your JVC
car audio dealer.
• It is recommended to connect to the speakers with maximum power of more than 50 W (both
at the rear and at the front, with an impedance of
4 Ω to 8 Ω). If the maximum power is less
than 50 W, change “AMP GAIN” setting to prevent the speakers from being damaged (see
page 21 of the INSTRUCTIONS).
• To prevent short-circuit, cover the terminals of the UNUSED leads with insulating tape.
• The heat sink becomes very hot after use. Be careful not to touch it when removing this
receiver.
PRECAUTIONS on power supply and speaker connections:
•
DO NOT connect the speaker leads of the power cord to the car battery; otherwise,
the receiver will be seriously damaged.
• BEFORE connecting the speaker leads of the power cord to the speakers, check the
speaker wiring in your car.
When using the optional stay /
‡¡◊ËÕ„™Иµ—«¬ч¥·∫∫‡≈◊Х°‰¥И
Screw (option)
°√Ÿ (‡≈◊Х°‰¥И)
Stay (option)
µ—«¬ч¥ (‡≈◊Х°‰¥И)
Fire wall
ºπ—ß°—π‰ø
Dashboard
·ºßÀπÈ“ª—∑¡á
Install the receiver at an angle of less
than 30˚.
µ‘¥µ—ИЯ™я¥ª√–°Х∫∑’Л¡я¡µЛ”°«Л“
30
ХЯ»“
When installing the receiver without using the sleeve /
‡¡◊ËÕµ‘¥µ—ИЯ™я¥ª√–°Х∫‚¥¬‰¡Л„™Иª≈Х°АяИ¡
In a Toyota for example, first remove the car radio and install the receiver in its place.
µ—«Х¬Л“Я‡™Лπ „π√∂¬πµÏ‚µ‚¬µИ“ „АИ∂Х¥«‘∑¬яµ‘¥√∂¬πµÏÕÕ°°ËÕπ·≈–µ‘¥µ—ИЯ™я¥ª√–°Õ∫π’И‡¢И“‰ª·∑π
Flat type screws (M5 x 8 mm)*
°√ŸÀ—«‡√’¬∫
(M5 x 8
¡‘≈≈‘‡¡µ√
)*
Bracket*
·∑Лπ√ХЯ√—∫
*
Bracket*
·∑Лπ√ХЯ√—∫
*
°–‡ª“–
* Not included for this receiver.
*
‰¡Л‰¥И„АИ¡“°—∫™я¥ª√–°Õ∫π
Flat type screws (M5 x 8 mm)*
°√ŸÀ—«‡√’¬∫
(M5 x 8
¡‘≈≈‘‡¡µ√
)*
Note
:
When installing the receiver on the mounting bracket, make sure to use the 8 mm-long screws. If
longer screws are used, they could damage the receiver.
À¡“¬‡Àµ
:
‡¡◊ËÕµ‘¥µ—ИЯ™я¥ª√–°Х∫≈Я„π·∑Лπ√ХЯ√—∫‰«И „АИ„™И °√Ÿ¬“«¢π“¥
8
¡‘≈≈‘‡¡µ√ ∂И“„™И °√Ÿ¬“«°«Ë“π’ИХ“®∑”„АИ™я¥ª√–°Х∫‡ ’¬А“¬‰¥ф
°“√‡™◊ЛХ¡‚¥¬„™И‰шшИ“
‡ж◊ËÕªÈÕß°—π°“√‡°‘¥‰шшИ“≈—¥«Я®√ ¢Х·π–π”„АИª≈¥¢—И«·∫µ‡µХ√’Л≈∫ХХ° ·≈И«®÷ßµËÕ “¬‰ø°ËÕ𵑥µ—ИЯ‡§√◊ЛХЯ
• µ√«® Х∫„АИ·πЛ„®«Л“‰¥И‡¥‘𠓬¥‘πµËÕ√–А«Л“Я‡§√◊ЛХЯ°—∫µ—«∂—ß √∂¬πµП„А¡Л·≈И«А≈—Я®“°µ‘¥µ—ИЯ
А¡“¬‡Аµя:
• „™Иж‘°—¥®”‡ж“–·∑πш‘« А“°ш‘« П¢“¥∫ЛХ¬ „АИª√ч°…“√И“ π¢“¬‡§√◊ЛХЯ‡ ’¬Я√∂¬πµП
JVC
• ¢Õ·π–π”„ÀȵËÕ≈”‚жЯ ∑’Л¡’°”≈—Я¢—∫ Я я¥‡°‘π°«Ë“
50 W
(∑—ИЯ¥И“πÀπÈ“·≈–¥È“πА≈—Я ¡’§Л“§«“¡µИ“π∑“π
4
Ω
∂÷ß
8
Ω
)
∂И“°”≈—Я¢—∫µЛ”°«Л“
50 W
„Àȇª≈’ˬπ§Ë“
“AMP GAIN”
‡æ◊ËÕªÈÕß°—π‰¡Л„АИ≈”‚жЯ™”√я¥ (¥ŸÀπÈ“
21
§”·π–π”)
• °“√ªÈÕß°—π°“√≈—¥«ß®√ ®–µÈÕßæ—π¢—È« “¬µ–°—Л« ∑’Л‰¡Л„™И·≈И«¥И«¬‡∑ ªж—𠓬‰ø
• ·ºËπ√–∫“¬§«“¡√ÈÕπ®–√ИХπ¡“°А≈—Я®“°„™И √–¡—¥√–«—ЯХ¬Л“‰ª —¡º— ‡¡◊ЛХ∂Х¥™я¥ª√–°Õ∫π’È
Heat sink
·ºËπ√–∫“¬§«“¡√ИХπ
¢ИХ§«√√–«—Я
”А√—∫°“√µЛХ·А≈ЛЯ®Л“¬°”≈—Я·≈–≈”‚жЯ:
• Х¬Л“µЛХ “¬µ–°—Л«‡§‡∫‘≈°”≈—Я¢ХЯ≈”‚жЯ‡¢И“°—∫·∫µ‡µХ√’Л√∂¬πµП ¡‘©–π—Иπ ™я¥ª√–°Х∫®–‰¥И√—
∫§«“¡‡ ’¬А“¬¡“°
• °ЛХπ∑’Л®–µЛХ “¬µ–°—Л«‡§‡∫‘≈°”≈—Я¢ХЯ≈”‚жЯ‡¢И“°—∫≈”‚жЯ „АИµ√«® Х∫°“√‡¥‘𠓬‰ш≈”‚ж
Я„π√∂¢ХЯ§я≥„АИ‡√’¬∫√ИХ¬‡ ’¬°ЛХπ
°“√µ√«® Õ∫ª—≠А“¢—¥¢ИХЯ
• ш‘« П¢“¥
* ¡’°“√‡™◊ЛХ¡ “¬µ–°—Л« ’¥”·≈– ’·¥ЯХ¬Л“Я∂Ÿ°µÈÕßÀ√◊Х‰¡Л
• ‰¡Л “¡“√∂‡ª‘¥‡§√◊ЛХЯ‰¥И
* ¡’°“√‡™◊ЛХ¡ “¬µ–°—Л« ’‡А≈◊ХЯА√◊Х‰¡Л
• ‰¡Л¡’‡ ’¬ЯХХ°®“°≈”‚жЯ
* “¬µ–°—Л« Л«π∑’ЛХХ°∑“Я≈”‚жЯ‡°‘¥‰шшИ“≈—¥«Я®√А√◊Х‰¡Л
• ‡ ’¬Я‡ж’И¬π
* “¬µ–°—Л« Л«π∑’ЛХХ°∑“Я≈”‚æßµËÕ≈ߥ‘πА√◊Х‰¡Л
* “¬¢—И«≈∫¢ХЯ≈”‚жЯ¥И“π´È“¬ (L) ·≈–¢«“ (R) µЛХ≈Я¥‘πµ“¡ª°µ‘А√◊Х‰¡Л
• ‡ ’¬Я√∫°«π
* ¡’°“√„™È “¬ —ИπК А√◊ХАπ“К µЛХ®“°‡§√◊ЛХЯ «π∑’˵‘¥µ—ИЯ ‰«И∫πж◊Иπ¥И“πА≈—Я°—∫µ—«∂—ß√∂¬πµÏÀ√◊Х‰¡Л
• ™я¥ª√–°Õ∫√ÈÕπ¢÷Èπ
* “¬µ–°—Л« Л«π∑’ЛХХ°∑“Я≈”‚æßµËÕ≈ߥ‘πА√◊Х‰¡Л
* “¬¢—И«≈∫¢ХЯ≈”‚жЯ¥И“π´È“¬ (L) ·≈–¢«“ (R) µЛХ≈Я¥‘πµ“¡ª°µ‘А√◊Х‰¡Л
• ‡§√◊ЛХЯ√—∫π’И∑”Я“π‰¡
* ∑Ë“π‰¥Иµ—ИЯ‡§√◊ЛХЯ„А¡Л·≈И«А√◊Х¬—Я
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