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KENWOOD VR4090B
Service Manual


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

Description of KENWOOD VR4090B 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

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Text excerpt from page 5 (click to view)
VR-4080-B/4090-B/4700/4900
DISASSEMBLY FOR REPAIR
HOW TO REMOVE THE FRONT PANEL AND THE MOTOR.
1. Take out the connectors (1) {X07,CN1/X13(CN7,CN8)} and the AC connetor(2). 2. Take the lead (3) out of CN301 on X11(A/4) PCB. 3. Take out the screws (4) and (5). 4. The front panel can be separated by removing 2 hooks (6) on the sub panel. 5. To separate the motor from the front panel, remove the screws (7).

MOTOR

2
AC CONNECTOR X07,CN1

1

1 1

7 x5 4 4 x5

X13
(G/8)

X25

CN8

CN7

H/P PCB

3
X11
(A/4)

CN301

6 x2 HOOK 5 x5 5

HOW TO REPLACE THE POWER TRANSISTOR.
1. The rear panel can be separated by removing screws (1) on the rear panel. 2. Take the AC connector out of CN2 on the X07(C/7). 3. To separate the chassis from bottom chassis, remove the screws (2). 4. Remove CN21 and screws (3) on X13(C/5). 5. Remove screws (4 to 7). 6. The fan motor can be separated by removing screws (8) and the connector (CN12) on X07 PCB. 7. Take the PCB X25(B/9), X11(C/4)} out of X07. 8. To separate the main PCB (X07) from the bottom chassis, remove screws (0). 9. Set up the PCB as figure (-). 10. Replace the defective transistors.
7 7 x2 7 6 6 8 x9
(C/5)

5

(C/9)

X25

X05-5130-11

4

X13

CN21

3 x2

3 x2

9
X07 CN12

2 2 2 2
2

2

2

X07-3150-10
(A/5)

11 10 10 10
CN2 CN14

10 10

X07

(C/7)

CN6

(B/9)

X25

X11
(C/4)

10 x3

1 x70

5

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