User manual KENWOOD KAC-PS947
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Manual abstract: user guide KENWOOD KAC-PS947
Detailed instructions for use are in the User's Guide.
[. . . ] Troubleshooting guide
Specifications subject to change without notice. Audio section Rated power output (+B = 14. 4V) Stereo (4 Ω). . . . . . . . . . . . . . . . . 70 W × 4 (20 Hz – 20 kHz, ≤ 1. 0 % THD) Stereo (2 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 W × 4 (1 kHz, ≤ 1. 0 % THD) Bridged (4 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 W × 2 (1 kHz, ≤ 1. 0 % THD) Speaker impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] CAUTION To prevent damage to the machine, take the following precautions: • Be sure the unit is connected to a 12V DC power supply with a negative ground connection. • Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity. Also avoid places with too much dust or the possibility of water splashing. • When replacing a fuse, only use a new one with the prescribed rating. Using a fuse with the wrong rating may cause your unit to malfunction. • To prevent a short circuit when replacing a fuse, first disconnect the wiring harness. NOTE • If you experience problems during installation, consult your Kenwood dealer. • For the power cord and ground, use a vehicle type (fireproof ) power wring cord. (Use a power wiring cord with the range of 5 mm2 (AWG 10) or more. ) • When more than one power amplifier are going to be used, use a power supply wiring wire and protective fuse of greater current-handling capacity than the total maximum current drawn by each amplifier.
• 使用输入额定值比放大器输出功率小的扬声器将会导致冒烟 或设备故障。 • 所连接的扬声器的阻抗必须为 2 欧姆或更高（立体声连接 时）；或者 4 欧姆或更高（桥接连接）。 当使用一组扬声 器时，必须在计算扬声器的 总阻抗之后，再连接合适的扬 声器。 ＜例＞
To the extent permitted by law, JVC KENWOOD makes no express warranties or representations other than set out in this warranty. The repair or replacement of the unit or part of the unit is the absolute limits of JVC KENWOOD’s liability under this express warranty. (02) 8879-2255 svcdept@kenwood. com. au
SCOPE OF EXPRESS WARRANTY
Subject to the “EXCLUSIONS”, “PROCEDURE WHEN REQUESTING SERVICE UNDER THE EXPRESS WARRANTY” and “LIMITATIONS” below, each of the KENWOOD brand products (“Products”) is expressly warranted under normal installation and use against defects in material and workmanship during the Warranty Period. This warranty is not transferable to a subsequent customer if the Product is sold by the original purchaser during the Warranty Period. During the Warranty Period, JVC KENWOOD will cause the Product or the defective part of the Product to be repaired by providing to any JVC KENWOOD Authorized Service Centre in Australia or New Zealand(as applicable to country of purchase) free of charge parts necessary to correct any defect in material or workmanship. JVC KENWOOD reserves the right to replace defective parts of the Product with parts and components of similar quality, grade and composition where an identical part or component is not available. Products presented for repair may be replaced by refurbished products of the same type rather than being repaired. Refurbished parts may be used to repair the goods.
• 安装有困难时，请与建伍经销商洽谈。 • 如果仍不能恢复正常时，请与建伍经销商洽谈。
The KENWOOD brand car stereo is expressly warranted for a period of ONE YEAR from the date of the original purchase.
请勿使用硬布或涂料稀释剂，酒精等挥发性溶剂， 以免损坏 外表面或将所附指示字符擦掉。
CONDITIONS OF THE EXPRESS WARRANTY
The following are not covered by this express warranty:
1. Voltage conversions; Cabinets, grilles, other exterior ﬁnishes, belts, tape heads, and other nondurable parts and accessories; Any fault caused by faulty installation, water damage, the vehicle (including its electronically system) or connection to an incorrect power supply; Periodic check-ups which do not disclose any defects covered by this warranty; Products on which the serial number has been defected, modiﬁed or removed; Products that have been subject to abnormal conditions, including environment, temperature, water, ﬁre, humidity, pressure, stress or similar; Alleged defects that are within acceptable industry variances; Damage or deterioration: a. Resulting from accident, misuse, abuse, neglect, unauthorized product modiﬁcation or failure to follow instructions contained in the Owner’s Manual. Resulting from installation of parts or accessories that do not conform to the quality or speciﬁcations of the original parts or accessories. Occurring during shipment (claims must be present to shipper); and Damaged magnetic tapes. Installation and removal charges; or Shipping charges to or from an authorised JVC KENWOOD Service Centre.
7 Speaker selection
• Using speakers with smaller input ratings than the amplifier’s output power would result in smoke generation or equipment failure. • The impedance of the speakers that are going to be connected should be 2Ω or greater (for stereo connections), or 4Ω or greater (for bridged connections). [. . . ] • Connect the speaker wires to appropriate speaker connectors separately. Sharing the negative wire of the speaker or grounding speaker wires to the metal body of the car can cause this unit to fail. • After installation, check that the brake lamps, turn signal lamps and windshield wipers work properly.
警告 要特别注意放大器的输出口和扬声器端子处有良好的电气 接触。 因为放大器要发出非常高的功率，松弛或不良的连接可能 在端子处产生火花甚至燃烧。 注意 ・ 如果声音输出不正常，应立即关断电源并检查连接是否正 确。 ・ 在变更开关的设定时，必须首先切断电源。 ・ 当保险丝熔断后，要检查缆线是否有短路，并更换上相同 规格的保险丝。 ・ 检查是否有尚未连接的缆线或与车体相接触的端头。 未 连接缆线及其端部的保护帽不可拆掉，以防短路。 ・ 扬声器的缆线要分别连接到各自的端子。 共用扬声器的 负极缆线或将扬声器端子接地到汽车的金属部分，都会导 致本机停止工作。 ・ 安装之后，请检查汽车的刹车灯、方向指示灯、雨刷等是 否正常动作。 保护保险丝
192 mm 127 mm
Stereo / 立体声
A. ch Left
A. ch Right
B. ch Left Protective fuse
B. ch Right
To prevent fire caused by a short in the wiring, connect a fusible link or breaker nearby the battery’s positive terminal.
警告 为了防止短路所引起的火灾，在蓄电池的正极附近 连接保险丝或断电器。
Bridged / 桥接
Connection / 连接
7 RCA cable connections 7 连接RCA 缆线
Center unit (CD receiver, etc. )
System examples / 系统配置实例
■ 4-channel system ■ 4 声道系统
L L A R R L L B R R
Controls / 控制
Front left speaker 前置左扬声器 Front right speaker 前置右扬声器 Rear left speaker 后置左扬声器 Rear right speaker 后置右扬声器
Power control wire
■ High-power 2-channel system ■ 大功率 2 声道系统
L L A R R L L B R R
Left speaker (Bridged) 左扬声器 (桥接) Right speaker (Bridged) 右扬声器 (桥接)
2 3 4 8
A. ch B. ch
■ 2-channel + Subwoofer system ■ 2 声道 + 副低音扬声器系统 7 Speaker level input connections 7 连接扬声器电平输入
L L A R R L L B R R
Left speaker (high pass) 左扬声器 (高通滤波器) Right speaker (high pass) 右扬声器 (高通滤波器) Subwoofer (Bridged) 副低音扬声器 (桥接)
This is a 4 channel amplifier including 2 stereo amplifiers in a body. One amplifier is referred to as amplifier A and the other is amplifier B. [. . . ]
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