JVC KV-PX9BJ User manual

SERVICE MANUAL
COPYRIGHT © 2006 Victor Company of Japan, Limited No.MA272
2006/6
PORTABLE HDD NAVIGATION
MA27220066
KV-PX9BJ,KV-PX9SJ,
KV-PX9BNJ,KV-PX9SNJ
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21

1-2 (No.MA272)
SPECIFICATION
* You cannot use MMC or mini SD.
• Design and specifications subject to change without notice.
• Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/
or other countries.
• This unit is not compatible with Multiple Bit Rate (MBR: a file that contains the same content encoded at several different bit rates).
Navigation system System & Service L1, C/A code
Global Positioning System
Standard Positioning Service
Built-in GPS 8-channel GPS Receiver with internal antenna
Reception Frequency 1 575.42 MHz
Sensitivity -130 dBm
Update Rate 1/second, continuous
Map database US, Canada, Puerto Rico, US Virgin Islands
Audio amplifier
system
Power Output 1.2 W ×2 (Stereo speakers)
30 mW + 30 mW, Max. (phones)
HDD/SD section Memory type 64 Mbyte RAM + 20 Gbyte Hard Disk storage
Usable SD card* Format FAT 12/16/32
Storage 8 MB to 512 MB
File name Up to 128 characters (including extension code)
Compatible OS's * Microsof® Windows® 2000, Windows® XP
General CPU 312 MHz PXA270 processor
Power supply AC Adapter AC 100 V - 240 V , 50 Hz/60 Hz
Cigarette Lighter Adapter DC 12 V/24 V
Power consumption 3 W
10 mW (on standby)
Built-in battery Rechargeable internal Li-Ion battery (lasts about 4 hours)
Charging time Approx. 3.5 hours (AC adapter)
Operating Temperature 0°C to 40°C (32°F to 104°F)
Dimensions (W/H/D) 92,8 mm ×87,3 mm ×49,3 mm (311/16 in. ×37/16 in. ×115/16 in.)
Mass 350 g (0,76 lbs)

(No.MA272)1-3
SECTION 1
PRECAUTION
1.1 Safety Precautions
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.
!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 (No.MA272)
SECTION 3
DISASSEMBLY
3.1 Main Body
3.1.1 Removing the battery
(See Fig.1, 2)
(1) Remove the two screws Aattaching the battery cover and
then take out the battery cover. (See Fig.1)
(2) Disconnect the connector wire from the connector CN100
of the main board. (See Fig.2)
Fig.1
Fig.2
3.1.2 Removing the rear panel
(See Fig.3)
(1) Remove the four screws Battaching the rear panel.
Fig.3
A
CN100
B
B

(No.MA272)1-5
3.1.3 Removing the front panel and the touch panel
(See Fig.4, 5)
(1) Remove the four screws Cattaching the front panel. (See
Fig.4)
(2) Disconnect the flexible wire of the touch panel from the
connector CN700 of the main board. (See Fig.5)
(3) Take out the front panel, the caution label and the touch
panel. (See Fig.5)
Fig.4
Fig.5
3.1.4 Removing the LCD
(See Fig.6)
(1) Disconnect the flexible wire from the connector CN350 of
the main board and then take out the LCD.
Fig.6
3.1.5 Removing the HDD
(See Fig.4)
(1) Remove the one screw Dattaching the earth wire.
(2) Disconnect the hard disc connector from the HDD.
(3) Take out the HDD and HDD cover.
D
Hard disc connector
C
CN700
Front panel
CN350

1-6 (No.MA272)
3.1.6 Removing the main board
(See Fig.7)
(1) Remove the four screws Eattaching the main board.
(2) Disconnect the connector wires from the connectors
CN750, CN751 of the main board.
(3) Disconnect the antenna wire.
Fig.7
3.1.7 Removing the speakers
(See Fig.8)
(1) Remove the eight screws Fattaching the speakers.
Fig.8
EE
Antenna wire
CN750 CN751
F
F

(No.MA272)1-7
SECTION 4
ADJUSTMENT
4.1 Service mode
Note:
The new HDD from parts center is blank.
Before replacing HDD, data from the master HDD needs to be copied (use disk copy machine).
To enter the service mode
1. Turn on the power.
2. Press the [Menu] on the Navi screen.
3. Press the [SETUP] on the Menu screen.
4. Press and hold the [ ] on the SETUP screen.
5. Keep continuing pressing the dim [ ] more than 5 seconds or untill
yor hear [beep] sound.
6. Press the [SETUP] on the top left of Menu screen.
Servise Mode Menu (1/2)
Run Explorer Press Run Explorer Start Menu Control Panel
"Run Explorer "allows to access the Windows CE.
Start Menu
Control Panel screen can be used for information
purposes only.
Replacing the HDD will not reset the map update countdown (365 days).
Performing INITIALIZE will reset the map update countdown.

1-8 (No.MA272)
Run Explorer can be used to access Windows CE OS.
ActiveSync, Delete Car Tracks and HDD Update are options only used
by factory only used by factory during design process.
GPS Log, Navi Log, Navi Playback Log and Car Tracks are options only
used by factory.
HDD Update: updates firmware using "kv px9 Update.exe" file-not used
for service.
After selecting "More" the following options are available:
Initialization resets unit to its initial factory state.
MapMatching should be checked by default. It puts car position
(from GPS signal) onto existing roads map.
NaviDisk Visible allows seeing all partitions after connecting to PC
through USB.
Debug Info can be used to verify GPS reception, temperature and system
time.
After changing any settings in service menu either BACK or VP button must be pressed then perform the
RESET procedure.
Gas Gauge Status is used for checking built in battery status.
VP Button (Red Arrow). This returns to map viewing screen.

(No.MA272)1-9
RESET : Press RESET button located under the POWER button on left side of main body (it is not marked).
COLD RESET : Disconnect the AC or Car Adapter, turn off battery switch (located on the right side of main body).
Wait 10 seconds, reconnect AC or Car Adapter and turn the battery switch to ON.
Initialize
Gas Gauge Status
Active Sync
Press Initialize
Press
Gas Gauge Status
COLD
RESET
State of
shipment
CAUTION : After initialize, quickly perform
COLD RESET.
Quit
Press
A
ctive Sync
[ x ] button
APPLY
RESET
REBOOT
The mode when USB is
connected is changed to
Active Sync.
Active Sync Mass Storage
B
A
USB
connection
PC side indication at USB connection
Performing INITIALIZE will reset the map update
countdown.
Active Sync is for factory use only.

1-10 (No.MA272)
APPLY
RESET
REBOOT
The mode when USB is
connected is changed to
Mass Storage.
B
A
USB
connection
PC side indication at USB connection
Delete
Car Tracks
Delete
Car Tracks
OK
Delete Car Tracks
The running tracks are deleted with Delete Car
Tracks as shown in a next picture.
Before Delete Car Tracks After Delete Car Tracks
Delete Car Tracks is for factory use only.