JVC KWNX-7000 Service manual

SERVICE MANUAL

NAVIGATION/DVD RECEIVER

MA427<Rev.001>20088SERVICE MANUAL

KW-NX7000J, KW-NX7000E,

KW-NX7000EE

Only for KW-NX7000J

Only for KW-NX7000E

Only for KW-NX7000E/EE

Only for KW-NX7000EE

COPYRIGHT © 2008 Victor Company of Japan, Limited

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)

TABLE OF CONTENTS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-38

COPYRIGHT © 2008 Victor Company of Japan, Limited

No.MA427<Rev.001>

2008/8

SPECIFICATION

KW-NX7000J

NAVIGATION SYSTEM

System & Service L1, C/A code

Global Positioning System

Standard Positioning Service

Reception System 12-channel multi-channel reception system

Reception Frequency 1 575.42 MHz

Sensitivity -130 dBm

Update Rate 1/second, continuous

GPS Antenna Polarization Right Handed Circular Polarization

Dimensions (approx.) (W × H × D)

Cable (approx.) 5.0 m (16.4 feet)

Attachment mat size (approx.) 70 mm × 70 mm (2-13/16 inches × 2-13/16 inches)

AMPLIFIER

Power Output 20 W RMS × 4 Channels at 4 Ω and < or = 1% THD+N
Signal-to-Noise Ratio 80 dBA (reference: 1 W into 4 Ω)
Load Impedance 4 Ω (4 Ω to 8 Ω allowance)

Equalizer Control Range Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, 15 kHz

Level ±10 dB

Audio Output Level LINE OUT
(FRONT/REAR),SUBWOOFER

Color System NTSC

Video Output (composite) 1 Vp-p/75 Ω

Other Terminals Input LINE IN, VIDEO IN, CAMERA IN, USB input, Antenna input

Frequency Range

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

AM Tuner Sensitivity/Selectivity 20 µþV/35 dB

Signal Detection System Non-contact optical pickup (semiconductor laser)

Frequency Response DVD, fs=48 kHz/96 kHz 16 Hz to 22 000 Hz

Dynamic Range 93 dB

Signal-to-Noise Ratio 95 dB

Wow and Flutter Less than measurable limit

Compatible File System FAT 32/16/12

Capacity 8 Mbytes to 2 Gbytes

Line-Out Level/Impedance 5 V/20 kΩ load (full scale)
Output Impedance 1 kΩ

Output VIDEO OUT

Others CD changer, OE REMOTE, DIGITAL OUT (optical)

FM/AM TUNER

FM (with channel interval set to 100 kHz or 200 kHz)

FM (with channel interval set to 50 kHz) 87.5 MHz to 108.0 MHz

AM (with channel interval set to 10 kHz) 530 kHz to 1 710 kHz

AM (with channel interval set to 9 kHz) 531 kHz to 1 602 kHz

50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω)

Alternate Channel Selectivity (400 kHz) 65 dB

Frequency Response 40 Hz to 15 000 Hz

Stereo Separation 35 dB

VCD/CD 16 Hz to 20 000 Hz

30.4 mm × 11.7 mm × 35.5 mm (1-1/4 inches × 1/2 inch × 1- 7/16 inches)

87.5 MHz to 107.9 MHz

DVD/CD

SD

1-2 (No.MA427<Rev.001>)

Data Transfer Rate Maximum 10 Mbps

USB

USB Standards USB 2.0 Full Speed

Data Transfer Rate Full Speed: Maximum 12 Mbytes

Low Speed: Maximum 1.5 Mbytes

Compatible Device Mass storage class

Compatible File System FAT 32/16/12

Max. Current Less than 500 mA/5V

MONITOR

Screen Size 7 inch wide liquid crystal display

Number of Pixel 336 960 pixels: 480 × 3 (horizontal) × 234 (vertical)

Drive Method TFT (Thin Film Transistor) active matrix format

Color System NTSC/PAL

Aspect Ratio 16 : 9 (wide)

GENERAL

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

Grounding System Negative ground

Allowable Storage Temperature -10°C to +60°C (14°F to 140°F)
Allowable Operating Temperature 0°C to +40°C (32°F to 104°F)

Dimensions (W × H × D)
With trim plate and sleeve at­tached

Mass (approx.): 3.5 kg (7.8 lbs) (including trims and sleeve)

Installation Size (approx.) 182 mm × 111 mm × 160 mm

(7-3/16” × 4-3/8” × 6-5/16”)

Panel Size (approx.) 188 mm × 117 mm × 10 mm

(7-7/16” × 4-5/8” × 7/16”)

(No.MA427<Rev.001>)1-3

KW-NX7000E/ EE

NAVIGATION SYSTEM

System & Service L1, C/A code

Global Positioning System

Standard Positioning Service

Reception System 12-channel multi-channel reception system

Reception Frequency 1 575.42 MHz

Sensitivity -130 dBm

Update Rate 1/second, continuous

GPS Aerial Polarization Right Handed Circular Polarization

Dimensions (approx.) (W × H × D) 30.4 mm × 11.7 mm × 35.5 mm

Cable (approx.) 5.0 m

Attachment mat size (approx.) 70 mm × 70 mm

AMPLIFIER

Maximum Power Output Front/Rear 50 W per channel

Continuous Power Output (RMS)

Load Impedance 4 Ω (4 Ω to 8 Ω allowance)

Equalizer Control Range Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, 15 kHz

Signal-to-Noise Ratio 70 dB

Audio Output Level LINE OUT
(FRONT/REAR), SUBWOOFER

Color System PAL

Video Output (composite) 1 Vp-p/75 Ω

Other Terminals Input LINE IN, VIDEO IN, CAMERA IN, USB input, Aerial input

Frequency Range FM 87.5 MHz to 108.0 MHz

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

MW Tuner Sensitivity/Selectivity 20 µV/35 dB
LW Tuner Sensitivity 50 µV

Signal Detection System Non-contact optical pickup (semiconductor laser)

Frequency Response DVD, fs=48 kHz/96 kHz 16 Hz to 22 000 Hz

Dynamic Range 93 dB

Signal-to-Noise Ratio 95 dB

Wow and Flutter Less than measurable limit

Compatible File System FAT 32/16/12

Capacity 8 Mbytes to 2 Gbytes

Front/Rear 20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than

0.8% total harmonic distortion

Level ±10 dB

Line-Out Level/Impedance 5 V/20 kΩ load (full scale)
Output Impedance 1 kΩ

Output VIDEO OUT

Others CD changer, OE REMOTE, DIGITAL OUT (optical)

FM/AM TUNER

AM (MW) 522 kHz to 1 620 kHz

(LW) 144 kHz to 279 kHz

50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω)

Alternate Channel Selectivity (400 kHz) 65 dB

Frequency Response 40 Hz to 15 000 Hz

Stereo Separation 35 dB

DVD/CD

VCD/CD 16 Hz to 20 000 Hz

SD

1-4 (No.MA427<Rev.001>)

Data Transfer Rate Maximum 10 Mbps

USB

USB Standards USB 2.0 Full Speed

Data Transfer Rate Full Speed: Maximum 12 Mbytes

Low Speed: Maximum 1.5 Mbytes

Compatible Device Mass storage class

Compatible File System FAT 32/16/12

Max. Current Less than 500 mA/5V

MONITOR

Screen Size 7 inch wide liquid crystal display

Number of Pixel 336 960 pixels: 480 × 3 (horizontal) × 234 (vertical)

Drive Method TFT (Thin Film Transistor) active matrix format

Color System NTSC/PAL

Aspect Ratio 16:9 (wide)

GENERAL

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

Grounding System Negative ground

Allowable Storage Temperature -10°C to +60°C
Allowable Operating Temperature 0°C to +40°C

Dimensions (W × H × D)
With trim plate and sleeve at­tached

Mass (approx.) 3.5 kg (including trims and sleeve)

Installation Size (approx.) 182 mm × 111 mm × 160 mm
Panel Size (approx.) 188 mm × 117 mm × 10 mm

Design and specifications are subject to change without notice.

(No.MA427<Rev.001>)1-5

SECTION 1

PRECAUTION

1.1 Safety Precautions

(1) This design of this product contains special hardware and

many circuits and components specially for safety purpos­es. For continued protection, no changes should be made
to the original design unless authorized in writing by the
manufacturer. Replacement parts must be identical to
those used in the original circuits. Services should be per­formed by qualified personnel only.

(2) Alterations of the design or circuitry of the product should

not be made. Any design alterations of the product should
not be made. Any design alterations or additions will void
the manufacturers warranty and will further relieve the
manufacture of responsibility for personal injury or property
damage resulting therefrom.

(3) Many electrical and mechanical parts in the products have

special safety-related characteristics. These characteris­tics are often not evident from visual inspection nor can the
protection afforded by them necessarily be obtained by us­ing replacement components rated for higher voltage, watt­age, etc. Replacement parts which have these special
safety characteristics are identified in the Parts List of Ser­vice Manual. Electrical components having such features
are identified by shading on the schematics and by ( ) on
the Parts List in the Service Manual. The use of a substitute
replacement which does not have the same safety charac­teristics as the recommended replacement parts shown in
the Parts List of Service Manual may create shock, fire, or
other hazards.

(4) The leads in the products are routed and dressed with ties,

clamps, tubings, barriers and the like to be separated from
live parts, high temperature parts, moving parts and/or
sharp edges for the prevention of electric shock and fire
hazard. When service is required, the original lead routing
and dress should be observed, and it should be confirmed
that they have been returned to normal, after reassem­bling.

(5) Leakage shock hazard testing

After reassembling the product, always perform an isola­tion check on the exposed metal parts of the product (an­tenna terminals, knobs, metal cabinet, screw heads,
headphone jack, control shafts, etc.) to be sure the product
is safe to operate without danger of electrical shock.Do not
use a line isolation transformer during this check.

• Plug the AC line cord directly into the AC outlet. Using a
"Leakage Current Tester", measure the leakage current
from each exposed metal parts of the cabinet, particular­ly any exposed metal part having a return path to the
chassis, to a known good earth ground. Any leakage cur­rent must not exceed 0.5mA AC (r.m.s.).

• Alternate check method
Plug the AC line cord directly into the AC outlet. Use an

AC voltmeter having, 1,000Ω per volt or more sensitivity
in the following manner. Connect a 1,500Ω 10W resistor
paralleled by a 0.15µF AC-type capacitor between an ex-

posed metal part and a known good earth ground.
Measure the AC voltage across the resistor with the AC

voltmeter.
Move the resistor connection to each exposed metal
part, particularly any exposed metal part having a return
path to the chassis, and measure the AC voltage across
the resistor. Now, reverse the plug in the AC outlet and
repeat each measurement. Voltage measured any must
not exceed 0.75 V AC (r.m.s.). This corresponds to 0.5
mA AC (r.m.s.).

AC VOLTMETER
(Having 1000
ohms/volts,
or more sensitivity)

0.15 F AC TYPE

Place this
probe on

1500 10W

Good earth ground

1.2 Warning

(1) This equipment has been designed and manufactured to

meet international safety standards.

(2) It is the legal responsibility of the repairer to ensure that

these safety standards are maintained.

(3) Repairs must be made in accordance with the relevant

safety standards.

(4) It is essential that safety critical components are replaced

by approved parts.

(5) If mains voltage selector is provided, check setting for local

voltage.

1.3 Caution

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.

1.4 Critical parts for safety

In regard with component parts appearing on the silk-screen
printed side (parts side) of the PWB diagrams, the parts that are
printed over with black such as the resistor ( ), diode ( )
and ICP ( ) or identified by the " " mark nearby are critical
for safety. When replacing them, be sure to use the parts of the
same type and rating as specified by the manufacturer.
(This regulation dose not Except the J and C version)

each exposed
metal part.

1-6 (No.MA427<Rev.001>)

1.5 Preventing static electricity

Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser
diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.

1.5.1 Grounding to prevent damage by static electricity

Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
Be careful to use proper grounding in the area where repairs are being performed.

(1) Ground the workbench

Ground the workbench by laying conductive material (such as a conductive sheet) or an iron plate over it before placing the
traverse unit (optical pickup) on it.

(2) Ground yourself

Use an anti-static wrist strap to release any static electricity built up in your body.

(caption)
Anti-static wrist strap

1M

Conductive material
(conductive sheet) or iron palate

(3) Handling the optical pickup

• In order to maintain quality during transport and before installation, both sides of the laser diode on the replacement optical
pickup are shorted. After replacement, return the shorted parts to their original condition.
(Refer to the text.)

• Do not use a tester to check the condition of the laser diode in the optical pickup. The tester's internal power source can easily
destroy the laser diode.

1.6 Handling the traverse unit (optical pickup)

(1) Do not subject the traverse unit (optical pickup) to strong shocks, as it is a sensitive, complex unit.
(2) Cut off the shorted part of the flexible cable using nippers, etc. after replacing the optical pickup. For specific details, refer to the

replacement procedure in the text. Remove the anti-static pin when replacing the traverse unit. Be careful not to take too long a

time when attaching it to the connector.
(3) Handle the flexible cable carefully as it may break when subjected to strong force.
(4) I t is not possible to adjust the semi-fixed resistor that adjusts the laser power. Do not turn it.

1.7 Attention when traverse unit is decomposed

*Please refer to "Disassembly method" in the text for the pickup unit.

• Apply solder to the short land sections before the card wire is disconnected from the connecto on the servo board. (If the card wire
is disconnected without applying solder, the pickup may be destroyed by static electricity.)

• In the assembly, be sure to remove solder from the short land sections after connecting the card wire.

Solder short part

(No.MA427<Rev.001>)1-7

1.8 Important for laser products

1.CLASS 1 LASER PRODUCT

2.CAUTION :

(For U.S.A.) Visible and/or invisible class II laser radiation
when open. Do not stare into beam.
(Others) Visible and/or invisible class 1M laser radiation
when open. Do not view directly with optical instruments.

3.CAUTION : Visible and/or invisible laser radiation when
open and inter lock failed or defeated. Avoid direct
exposure to beam.

4.CAUTION : This laser product uses visible and/or invisible
laser radiation and is equipped with safety switches which
prevent emission of radiation when the drawer is open and
the safety interlocks have failed or are defeated. It is
dangerous to defeat the safety switches.

5.CAUTION : If safety switches malfunction, the laser is able
to function.

6.CAUTION : Use of controls, adjustments or performance of
procedures other than those specified here in may result in
hazardous radiation exposure.

!

Please use enough caution not to

see the beam directly or touch it

in case of an adjustment or operation

check.

REPRODUCTION AND POSITION OF LABELS and PRINT

WARNING LABEL and PRINT

1-8 (No.MA427<Rev.001>)

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.

SECTION 3

DISASSEMBLY

3.1 Main body

3.1.1 Removing the Heat sink (See Fig.1)

(1) Remove the three screws A and four screws B attaching

the Heat sink.

B

B

3.1.2 Removing the Rear bracket (See Fig.2 to 4)

(1) Remove the three screws C attaching the Rear heat

sink.(See Fig.2)

(2) Remove the ten screws D and one screw E attaching the

rear bracket. (See Fig.3)

(3) Disconnect the connector wire from Car cable connected to

connector CN601

(4) Disconnect the connector wire from Fan connected to con-

nector CN604 of the Sub board. (See Fig.4)

(5) Disconnect the card wire from Main board connected to

connector CN605

(6) Disconnect the connector wire from Main board connected

to connector CN607

of the Sub board. (See Fig.4)

of the Sub board. (See Fig.4)

of the Sub board. (See Fig.4)

D

A

Fig.1

E

D

D

Fig.3

CN605 CN607 CN601 CN604

C

Fig.2

Fig.4

(No.MA427<Rev.001>)1-9

3.1.3 Removing the Front chassis (See Fig.5 to 9)

(1) From the bottom side of main body, insert screwdriver to

hole of the third gear from hole a of the bottom chassis, and
the turn the gear to clockwise until Front bracket comes
up.(See Fig.5)

(2) Remove the two screws F attaching the both side of Front

bracket. (See Fig.6)

(3) Remove the three screws H attaching the FPC cover. (See

Fig.7)

(4) Remove the two screws J attaching the SD card cover.

(See Fig.7)

(5) Disconnect the card wires from Front bracket connected to

connector CN803
Fig.8)

(6) Remove the four screws G attaching the both side of Front

chassis. (See Fig.6)

(7) Disengage two hooks a engaged both side of Front chas-

sis. (See Fig.6)

(8) Disengage two hooks b engaged both side of Front chas-

sis. (See Fig.9)

and CN804 of the Panel board. (See

J

H

Fig.7

F

hook a

Fig.5

G

Fig.6

hole

CN803 CN804

Fig.8

a

hook

Fig.9

b

1-10 (No.MA427<Rev.001>)

3.1.4 Removing the Top chassis (See Fig.10 to 13)

(1) Remove the two screws K attaching the Front board. (See

Fig.10)

(2) Disconnect the card wire from Main board connected to

connector CN983

(3) Remove the four screws L attaching the both side of Top

chassis. (See Fig.12, 13)

of the Sub board. (See Fig.11)

K

Fig.10

L

Fig.13

CN983

Fig.11

L

Fig.12

(No.MA427<Rev.001>)1-11

3.1.5 Removing the Main board (See Fig.14)

(1) Disconnect the connector wire from Mecha switch board

connected to connector CN961

(2) Remove the four screws M attaching the Main board.

3.1.6 Removing the Sub board (See Fig.15, 16)

(1) Remove the six screws N attaching the Sub board. (See

Fig.15)

(2) Disconnect the card wire from DVD mechanism connected

to connector CN602

of the Sub board. (See Fig.16)

of the Main board.

CN961

M

M

Fig.14

N

1-12 (No.MA427<Rev.001>)

N

Fig.15

CN602

Fig.16

3.1.7 Removing the Navi board and the DVD mechanism

(See Fig.17 to 21)

(1) Remove the two screws P attaching the Front board brack-

et.(See Fig.17)

(2) Remove the three screws Q attaching the Navi shield

top.(See Fig.18)

(3) Remove the four screws R attaching the Navi shield bot-

tom.(See Fig.19)

(4) Remove the four screws S attaching the CPU bracket.(See

Fig.20)

(5) Remove the three screws T attaching the DVD mecha-

nism.(See Fig.21)

P

Fig.17

S

S

Fig.20

T

R

Q

Navi shield top

T

Fig.21

Q

Fig.18

Navi shield bottom

R

Fig.19

(No.MA427<Rev.001>)1-13

3.1.8 Removing the Motor board (See Fig.22, 23)

(1) Remove the four screws U attaching the Mid chassis.

(See Fig.22)

(2) Remove the three screws V attaching the Motor board.

(See Fig.23)

U

U

Fig.22

V

Fig.23

1-14 (No.MA427<Rev.001>)

3.2 Monitor section

3.2.1 Removing the Rear cover (See Fig.1 to 3)

(1) Remove the ten screws A and five screws B attaching the

Rear cover. (See Fig.1, 2)

(2) Disconnect the card wire from Panel board connected to

connector CN881

of the Connection board. (See Fig.3)

A

A

A

A

Fig.1

B

B

Fig.2

Fig.3

CN881

(No.MA427<Rev.001>)1-15

3.2.2 Removing the Connection board (See Fig.4)

(1) Remove the five screws C attaching the Connection board.

3.2.3 Removing the Panel board (See Fig.5)

(1) Disconnect the connector wire from LCD module connect-

ed to connector CN403

(2) Disconnect the card wire from LCD module connected to

connector CN401

(3) Disconnect the card wire from Switch board connected to

connector CN501 and CN502 of the Panel board.

(4) Remove the four screws D attaching the Panel board.

of the Panel board.

of the Panel board.

D

C

Fig.4

C

CN403

D

3.2.4 Removing the LCD module (See Fig.6)

(1) Disengage six hooks a engaged Panel bracket.

CN401

D

Fig.5

hook

Fig.6

a

CN501

hook a

CN502

D

1-16 (No.MA427<Rev.001>)

3.3 DVD mechanism

3.3.1 Removing the Traverse mechanism assembly (See Fig.1 to 6)

(1) Solder the short land section on the flexible wire of pickup.

(See Fig.1)

Caution:

* Solder the short land section on the flexible wire of pickup
before disconnecting the flexible wire form the connector

on the Front end board.

CN101

If the flexible wire is disconnected without attaching the
solder, the pickup may be destroyed by static electricity.
* When attaching the Traverse mechanism assembly, re­move the solder from the short land section after connection
the flexible wire to the connector CN101

on the Front end

board.

(2) Voltage supply to TP79 and TP81 approx DC 3.0V until

Clamper is shift to loading complete position. (See Fig.2)

(3) Disconnect the flexible wires from Traverse mechanism assembly

connected to connector CN101

and CN164 of the Front end

board. (See Fig.2)

(4) Remove the five screws A attaching the Top cover assembly.

(See Fig.3)

(5) From the bottom side, disconnect the connector wire from

Top cover assembly connected to connector CN2

of the

Front end board. (See Fig.4)

(6) From the bottom side, remove the spring from Traverse

mechanism assembly. (See Fig.5)

(7) From the top side, pull up the traverse mechanism and disengage

three dumper positions. (See Fig.6)

A

Fig.3

CN2

CN164

Fig.1

Fig.2

Solder short part

CN101

R312

R357

TP79

TP79 TP81

R317

TP67

R21

TP92

CENTER

WOOFER

DGND_7

TP81

D-

Voltage supply
position

Fig.4

Fig.5

Dumper

(same color spring)

Dumper

(Different color spring)

Fig.6

(No.MA427<Rev.001>)1-17

3.3.2 Removing the Front end board (See Fig.7)

(1) Remove the Motor wires from loading motor soldered to

TP79

and TP81 of the Front end board.

(2) Remove the two screws B attaching the Front end board.

3.3.3 Removing the Loading arm assembly (See Fig.8)

(1) Remove the Loading arm spring L from Loading arm assembly.
(2) Slide to left side and then disengage hook a then hook b.

hook b

B

TP79

Fig.7

TP81

Loading arm
assembly

B

hook

a

Loading arm spring L

Fig.8

1-18 (No.MA427<Rev.001>)

3.3.4 Removing the Gear base assembly (See Fig.9, 10)

(1) Remove the Loading arm spring L. (See Fig.9)
(2) Remove the two screws C attaching the Gear base assembly.

(See Fig.10)

Loading arm
spring L

Fig.9

C

3.3.5 Removing the Loading arm holder. (See Fig.11)

(1) Remove the two screws D attaching the Loading arm holder.
(2) Remove the Loading arm spring R.

Fig.10

D

Loading arm
holder

Loading arm
spring R

Fig.11

(No.MA427<Rev.001>)1-19

3.3.6 Removing the Loading moor assembly (See Fig.12)

(1) Remove the three screws E attaching the Loading motor

assembly.

3.3.7 Removing the Slide cam assembly (See Fig.13)

(1) Slide to backward the Slide cam assembly and the remove

the Slide cam spring.

(2) Slide to frontward the slide cam assembly, and then take

out it.

E

Fig.12

Slide cam assembly

3.3.8 Removing the Photo board (See Fig.14)

(1) Pressing the hook c and then slide to backward (slide to the

arrow side) the Disc plate.

(2) Remove the one screw F attaching the Photo board.

Photo board

Slide cam spring

Fig.13

hook

c

Fig.14

hook

F

c

1-20 (No.MA427<Rev.001>)

3.3.9 Removing the Loading motor (See Fig.15 to 18)

r

(1) Remove the A wheel gear. (See Fig.15)
(2) Remove the A worm gear, M connect gear and M wheel

gear by sequentially. (See Fig.16)

(3) Remove the two screws G attaching the Loading motor.

(Se Fig.17)

(4) When attaching the Loading motor, motor wire should arrange

to figure. (See Fig.18)

A Wheel gea

Fig.15

A worm gear

M connect gear

M wheel gear

Fig.16

G

Fig.17

Wire arrangement

Fig.18

(No.MA427<Rev.001>)1-21

3.3.10 Removing the Roller assembly (See Fig.19)

(1) Remove the Slit washer.
(2) Remove the R middle gear.
(3) Remove the R connect gear.
(4) Snap off the part a of the Roller assembly.
(5) Lift up the part b of the Roller assembly, and then release

part c (When release part c, R collar R is easy to come off,
does not lose it).

CAUTION:

When reattach the Roller assembly, Middle gear should keep
direction and Slit washer should be change new part.

Direction

R middle gear

R collar R

R connect gear

Slit washer

part c

part a

part b

3.3.11 Removing the Roller (See Fig.20)

(1) Remove the Slit washer.
(2) Pull out the Roller shaft.

CAUTION:

When reattach the Roller shaft, Slit washer should be change
new part.

Fig.19

slit

keep direction

keep direction

slit

1-22 (No.MA427<Rev.001>)

small side

Fig.20

SECTION 4

CN982

CN983

EXTJD001-14PF

EXTXD002-60PF

EXTLX001-4P

CN403

CN881

CN881

ADJUSTMENT

4.1 Test instruments required for adjustment

(1) Digital oscilloscope (100MHz)
(2) Digital tester
(3) Test Disc
(4) Extension cable : EXTXD002-60PF (CN881-CN503)

(CN602-CN403)
: EXTDV001-30PF (CN982-CN605)
: EXTLX001-4P (WR981-CN607)
: EXTFP001-30P (CN981-CN802)
: EXTFP001-12P (CN606-CN801)
: EXTCN001-6P (CN961-CN851)
: EXTJD001-14PF (CN983-CN653)

(5) Extension studs : STDV001-3P

4.2 Standard measuring conditions

Load impedance 20K.(2 Speakers connection)
Power supply voltage DC14.4V(10.5 to 16V)
Output Level Line out 2.5V (Vol. MAX)

4.3 Standard volume position

Balance and Bass &Treble volume : lndication"0"
Loudness : OFF

4.4 Dummy load

Exclusive dummy load should be used for AM,and FM.
For FM dummy load, there is a loss of 6dB between
SSG outputand antenna input.
The loss of 6dB need not be considered sincedirect
reading offigures are applied in this working standard.

4.5 How to connect the extension cable for adjusting

Caution:

Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively,
before supply the power.
If voltage is applied without attaching these parts, the power amplifier IC and regulator IC will be destroyed by heat.

CN403

CN403

EXTCN001-6P

EXTXD002-60PF

EXTXD002-60PF

EXTFP001-12P

CN961

EXTJD001-14PF

EXTJD001-14PF

CN602

CN606

CN605

CN653

EXTJD001-14PF

WR981

CN983

CN983

EXTLX001-4P

EXTLX001-4P

EXTDV001-30PF

CN607

EXTDV001-30PF

CN982

CN982

CN981

EXTFP001-30P

EXTLX001-4P

CN881

CN881

CN881

Extension studs

STDV001-3P

EXTXD002-60PF

CN503

EXTXD002-60PF

EXTFP001-30P

CN802

CN851

CN801

EXTFP001-12P

(No.MA427<Rev.001>)1-23

4.6 Service mode

UP Button

ENTER

TOUCH PANELREW Button FF Button

DOWN Button

[ Exit ][ Back ]

STAND BY / ON ATTENUATOR

[

] [ VOL ] [MAP ] [ OPEN ][ DISP ]

Note :

There is the function that is not displayed by a version.

4.6.1 Service mode 1 (Indication of a service mode 1 is nothing.)

Keep this state more 2 seconds
while continuing pressing the
[STANDBY/ON ATTENUATOR] button
and [OPEN] button sequentially.

Screen indication

Exchanging it operate a menu of a service mode with the [UP] button

NO EJECT? *1
EMERGENCY EJECT *2

and [DOWN] button. Operate choice of a menu with a [ENTER] button.
*1 : When an [ENTER] button is pushed in NO EJECT indication, it is set
by an EJECT prohibition mode.
When an [ENTER] button is pushed in EJECT OK indication, it is aet
by a normal mode.
*2 : Forced EJECT movement
A screen becomes normal indication after an ENTER button was pushed.

1-24 (No.MA427<Rev.001>)

4.6.2 Service mode 2

Keep this state more 2 seconds
while continuing pressing the
[DISP] button, [MAP] button and
TOUCH PANEL [DOWN] button
sequentially.

Screen indication

SERVICE MODE 2
INITIALIZE ALL
INITIALIZE
INITIALIZE DVD
INITIALIZE BT
TOUCH PANEL CARIBRATION
TOUCH PANEL CHECK MODE

Exchanging it operate a menu of a service mode with the [UP] button and [DOWN] button.
Operate choice of a menu with a [ENTER] button.

INITIALIZE ALL

NOW...
INITIALIZE ALL

INITIALIZE

NOW...
INITIALIZE

INITIALIZE DVD

INITIALIZE DVD
OK***

INITIALIZE ALL
OK***

INITIALIZE
OK***

Full initialization of EEPROM of a DVD unit
( It is included a permanent domain)
After clear completion, this indication is continued
till an effective key is input.

INITIALIZE ALL
(Each EEPROM is initialized by a factory shipment state.)
Main micon EEPROM initialization (user entry domain, error
history, speaker setting, subarea of J-version, data to pre-set )
Panel micon EEPROM initialization (picture adjustment data)
DVD unit EEPROM initialization (except a permanent domain)
Bluetooth (Module/Hideaway) EEPROM initialization
NAVI unit initialization
After clear completion, a screen returns to normal indication
after OK indication was displayed for three seconds.

INITIALIZE (Initialization of a user area of each EEPROM)
Main micon EEPROM initialization (a user entry domain )
(a user entry domain, speaker setting, subarea of J-version,
data to pre-set )
Panel micon EEPROM initialization (picture adjustment data )
DVD unit EEPROM initialization (except a permanent domain)
Bluetooth (Module/Hideaway) EEPROM initialization
After clear completion, a screen returns to normal indication
after OK indication was displayed for three seconds.

INITIALIZE BT

INITIALIZE BT
OK***

TOUCH PANEL CALIBRATION

TOUCH PANEL CHECK MODE

Full initialization of EEPROM of Bluetooth ( Module/Hideaway )
After clear completion, this indication is continued
till an effective key is input.

Push the center of a + character displayed in turn.

The confirmation mode that the calibration of the
touch panel was performed definitely.

*Return to previous menu with a [DISP] button.

(No.MA427<Rev.001>)1-25