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KENWOOD TK2118
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English, Japanese
Price: $4.99

Description of KENWOOD TK2118 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English, Japanese

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Text excerpt from page 33 (click to view)
TK-2118
ADJUSTMENT / 调整
Replacing Q22 (FET TX final)
1. Place Q22 in its location, upside down as shown in figure 1. Make sure the location of each pin is correct. The bevelled edge is located between pin 1 and 2. (See the figure below) Replace the heat conductor sheet (G11-2664-x4) when replacing Q22. TX-RX UNIT A/3 Foil side
TC2 TC1 1st IF

重置Q22 (FET 发射终端)
1. 如图1所示,将Q22上下颠倒放在它的对应位置。 每个管脚的位置一定要正确。斜角位于管脚1与管脚2之间。 (如下图所示) 当置换Q22时,重置热导膜(G11-2664-x4)。

Bevelled edge / 斜角
1 2

LV
Q22 D S G

Metal post 金属杆
4 3

Fig. 1 / 图1
2. The bottom surface of Q22 must be firmly contacted to the TX-RX PCB. Solder each pin onto the top of the metal posts. Make sure the solder is between the pin and the metal post (Refer to figure 2). 2. Q22的底部表面必须与发射-接收PCB紧密结合。 将每个管脚与金属杆的顶端焊接起来。焊剂必须位于管脚与 金属杆之间。(参见图2)

Note:
• Make sure you are properly grounded while soldering the Q22. • Avoid adding excess solder to the metal post. • Make sure the bottom surface of Q22 is firmly contacted to the TX-RX PCB. • The metal posts for the pins are also soldered to the PCB. So, when you solder the Q22 pins to the metal posts, keep the soldering time as short as possible so that the posts are not moved.
Excessive soldering / 过度焊接

注释:
• • • • 当焊接Q22时一定要将焊剂碾磨恰当。 避免向金属杆添加过多焊剂。 Q22的底部表面一定要与发射-接收PCB紧密结合。 管脚所对应的金属杆也要与PCB焊接在一起。 所以,将Q 2 2 管脚与金属杆焊接起来时,尽可能使焊接时间 越短越好,这样金属杆不易被移动。

Good soldering / 焊接良好 Metal post / 金属杆 PCB

Q22

Q22
Wrong! The bottom surface must be firmly contacted to the PCB. 错误!底部表面必须与PCB紧密结合。

Fig. 2 / 图2

TK-260

:K, K2

33

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