Jvc Ks-fx555 User manual

SERVICE MANUAL

2004/8

CASSETTE RECEIVER

MA10420048

KS-FX555

TABLE OF CONTENTS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

Area suffix

UN ----------------------------- Asean

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

1-2 (No.MA104)

SPECIFICATION

Design and specifications are subject to change without notice.

AUDIO AMPLIFIER SECTION

Maximum Power Output Front 45 W per channel

Rear 45 W per channel

Continuous Power Output (RMS) Front 17 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 0.8%

total harmonic distortion.

Rear 17 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 0.8%

total harmonic distortion.

Load Impedance 4 Ω(4 Ωto 8 Ωallowance)

Tone Control Range Bass ±10 dB at 100 Hz

Treble ±10 dB at 10 kHz

Frequency Response 40 Hz to 20 000 Hz

Line-Out Level/Impedance 2.0 V/20 kΩload (250 nWb/m)

TUNER SECTION

Frequency Range FM 87.5 MHz to 108.0 MHz

AM 531 kHz to 1 602 kHz

[FM Tuner] Usable Sensitivity 11.3 dBf (1.0 µV/75 Ω)

Stereo Separation 30 dB

[AM Tuner] Sensitivity 20 µV

Selectivity 35 dB

CASSETTE DECK SECTION

Wow & Flutter 0.11% (WRMS)

Frequency Response 30 Hz to 16 000 Hz (Normal tape)

GENERAL

Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance)

Grounding System Negative ground

Allowable Operating Temperature 0ºC to +40ºC

Dimensions (W ×H ×D) Installation Size (approx.) 178 mm ×50 mm ×150 mm

Panel Size (approx.) 170 mm ×46 mm ×19 mm

Mass (approx.) 1.3 kg (excluding accessories)

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

(No.MA104)1-3

SECTION 1

PRECAUTION

1.1 Safety Precautions

!Burrs formed during molding may be left over on some parts of the chassis. Therefore,

pay attention to such burrs in the case of preforming repair of this system.

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

1-4 (No.MA104)

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

(No.MA104)1-5

SECTION 3

DISASSEMBLY

3.1 Main body

3.1.1 Removing the front panel assembly

(See Fig.1)

(1) Press the release button and remove the front panel as-

sembly.

Fig.1

3.1.2 Removing the bottom cover

(See Fig.2)

• Prior to performing the following procedure, remove the front

panel assembly.

(1) Turn the body upside down.

(2) Insert a screwdriver under the joints to release the two

joints aon the left side, the two joints bon the right side and

the joint con the back of the body, then remove the bottom

cover from the body.

CAUTION:

When releasing the joint cusing a screwdriver, do not damage

the main board.

Fig.2

3.1.3 Removing the front chassis

(See Fig.3)

• Prior to performing the following procedure, remove the front

panel assembly and bottom cover.

(1) Remove the screw Aon each side of the body.

(2) Release the two joints dand the two joints eon the sides,

then remove the front chassis toward the front.

Fig.3

Front panel assembly

Release button

Bottom cover

Joint b

Joint c

Joint a

Joint d

Front chassis assembly

Joint e

Joint dJoint e

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

1-6 (No.MA104)

3.1.4 Removing the heat sink

(See Fig.4)

• Prior to performing the following procedure, remove the front

panel assembly.

(1) Remove the screw Band two screws Cattaching the heat

sink on the left side of the body, and remove the heat sink.

Fig.4

3.1.5 Removing the rear panel

(See Fig.5 )

• Prior to performing the following procedure, remove the front

panel assembly and bottom cover.

(1) Remove the two screws D, three screws Eand three

screws Fattaching the rear panel on the back of the body.

Fig.5

3.1.6 Removing the main board

(See Fig.6)

• Prior to performing the following procedure, remove the front

panel assembly, bottom cover, front chassis, heat sink and

rear panel.

(1) Remove the two screws Gattaching the main board on the

top chassis.

(2) Disconnect the connectors CP701 on the main board from

the cassette mechanism assembly.

Fig.6

3.1.7 Removing the cassette mechanism assembly

(See Fig.7)

• Prior to performing the following procedure, remove the front

panel assembly, bottom cover, front chassis, heat sink, rear

panel and main board.

(1) Remove the four screws Hattaching the cassette mecha-

nism assembly from the top chassis.

Fig.7

Heat sink

EFF

DRear panel

Main board

CP701

Top chassis

Cassette mechanism assembly

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

(No.MA104)1-7

3.1.8 Removing the mecha board

(See Fig.8)

• Prior to performing the following procedure, remove the front

panel assembly, bottom cover, front chassis, heat sink, rear

panel, main board and cassette mechanism assembly.

(1) Disconnect the wire from the connectors CN402 and

CN403 on the mecha board.

(2) Remove the screw Jattaching the mecha board.

Fig.8

3.1.9 Removing the front board

(See Figs.9 to 11)

• Prior to performing the following procedure, remove the front

panel assembly.

(1) Remove the four screws Kattaching the rear cover on the

back of the front panel assembly. (See fig.9)

(2) Release the eleven joints f, the front panel and the rear

cover become separate. (See fig.10)

(3) Remove the front board from the front panel assembly.

(See fig.11)

Caution:

Take care not to lose the springs. Fig.9

Fig.10

Fig.11

CN402

CN401 CN403

K K

Joint f

Joint

Joint f

Front panel assembly

Rear cover

LCD & Key control board

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

1-8 (No.MA104)

3.2 Cassette mechanism assembly

REFERENCE:

Prior to performing the following procedures, turn the mode

gear on the bottom of the body until the respective part comes

to the EJECT position (Refer to Fig.1).

Fig.1

3.2.1 Removing the cassette guide

(See Fig.2)

(1) Turn the mode gear to set to RVS play or subsequent

mode.

(2) Remove the cassette guide from the main chassis while re-

leasing each two joint tabs ain the direction of the arrow.

Fig.2

3.2.2 Removing the load arm

(See Fig.3)

(1) Remove the E-washer attaching the load arm.

(2) Move the load arm in the direction of the arrow and release

the joint bon the cassette catch.

Fig.3

Mode gea

Cassette guide

Tab a

Load arm

E-washer

Joint b

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

(No.MA104)1-9

3.2.3 Removing the cassette hanger assembly / cassette holder

(See Fig.4 to 7)

(1) Check the mode is set to EJECT. Push down the front part

of the cassette holder and move in the direction of the ar-

row to release the joint c.

(2) Move the rear part of the cassette hanger assembly in the

direction of the arrow to release it from the two joint bosses

(3) Release the holder stabilizer spring from the hooks eand

f, then pull out from the cassette hanger assembly.

(4) Bring up the rear side of the cassette hanger assembly to

release the joint gand h.

(5) Pull out the cassette catch from the cassette hanger as-

sembly.

Fig.4

Fig.5

Fig.6

Fig.7

Cassette holder assembly

Side bracket

Joints c

Cassette holder assembly

Cassette hanger

assembly

Boss d

Cassette hange

assembly

Cassette stabilizer spring

Hook f

Hook e

Cassette hanger

assembly

Hook h

Hook g

Cassette holder

assembly

Cassette holder assembly

Cassette hanger assembly

Cassette catch

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

1-10 (No.MA104)

3.2.4 Removing the side bracket assembly

(See Fig.8 to 10)

(1) Remove the screw Aattaching the side bracket assembly.

(2) Detach the front side of the side bracket assembly upward

and pull out forward to release the joint iand jin the rear.

CAUTION:

When reassembling, make sure that the boss kof the

main chassis is set in the notch of the load rack under the

side bracket assembly. Do not reattach the load rack on

the boss k.

CAUTION:

After reattaching the side bracket assembly, confirm op-

eration.

Fig.8

Fig.9

Fig.10

Side bracket assembly

Joint i

Joint j

Joint i

Joint j

Side bracket assembly

Boss k

Load rack

Boss k

Load rack

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Table of contents

Popular Stereo Receiver manuals by other brands

Teac

Teac AG-680 Service manual

Kenwood

Kenwood KR-V888D instruction manual

Teac

Teac AGV1050 owner's manual

Sony

Sony STR-435 operating instructions

Pioneer

Pioneer Elite SC-68 Service manual

Pioneer

Pioneer SX-1250 operating instructions

Marantz

Marantz CINEMA 70S owner's manual

Kenwood

Kenwood KMDX92 instruction manual

Yamaha

Yamaha RX-830 owner's manual

Pioneer

Pioneer AVH-Z7250BT owner's manual

Denon

Denon AVR-1311 owner's manual

Denon

Denon AVR-S760H owner's manual

Denon

Denon AVR-X7200W Service manual

Sony

Sony XAV-1500 operating instructions

Radio Shack

Radio Shack DX-399 owner's manual

Sony

Sony STR-DE535 - Fm Stereo/fm-am Receiver operating instructions

Pioneer

Pioneer SX-1000TA operating instructions

Yamaha

Yamaha MusicCast TSR-5B3D owner's manual

JVC KS-FX555 User manual

Popular Stereo Receiver manuals by other brands