JBL CHARGE 3 Service Manual ▷ View online
SAFETY PRECAUTIONS
The following check should be performed for the continued
protection of the customer and service technician.
protection of the customer and service technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known earth ground (water
pipe, conduit, etc.) by connecting a leakage current tester
between the earth ground and all exposed metal parts of the
appliance (input/output terminals, screwheads, metal
overlays, control shaft, etc.). Plug the AC line cord of the
appliance directly into a 120V AC 60Hz outlet and turn the
AC power switch on. Any current measured must not exceed
o.5mA.
pipe, conduit, etc.) by connecting a leakage current tester
between the earth ground and all exposed metal parts of the
appliance (input/output terminals, screwheads, metal
overlays, control shaft, etc.). Plug the AC line cord of the
appliance directly into a 120V AC 60Hz outlet and turn the
AC power switch on. Any current measured must not exceed
o.5mA.
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A
POTENTIAL SHOCK HAZARD AND MUST BE
CORRECTED BEFORE RETURNING THE APPLIANCE
TO THE CUSTOMER.
OUTLINED ABOVE ARE INDICATIVE OF A
POTENTIAL SHOCK HAZARD AND MUST BE
CORRECTED BEFORE RETURNING THE APPLIANCE
TO THE CUSTOMER.
Device
under
test
Test all
exposed metal
surfaces
exposed metal
surfaces
Also test with
plug reversed
(Using AC adapter
plug as required)
plug reversed
(Using AC adapter
plug as required)
AC Leakage Test
Leakage
current
tester
current
tester
Reading should
not be above
0.5mA
not be above
0.5mA
Earth
ground
ground
3-3
4
Preparation：
(1)
(1)
Windows 7 Ultimate
(2) Micro USB cable.
(3) DFU file and HidDfuCmd.exe (hiddfucmd.exe is in CSR ADK3.5/4.0 package)
(3) DFU file and HidDfuCmd.exe (hiddfucmd.exe is in CSR ADK3.5/4.0 package)
Firmware upgrade steps:
(1) Charge 3 power on.
(2) Connect Charge3 with PC by micro USB.
(3) Press Volume+ & BT over 10 seconds. Then all LEDS will be off and device will be into update mode. (If it’s the
first time to update, PC will install driver automatically. If succeeded, you can find HID‐compliant device under
somatology input device tag in PC device manager.)
(4) Double click *.bat to start updating.
(5) Wait for procedure completion.
(1) Charge 3 power on.
(2) Connect Charge3 with PC by micro USB.
(3) Press Volume+ & BT over 10 seconds. Then all LEDS will be off and device will be into update mode. (If it’s the
first time to update, PC will install driver automatically. If succeeded, you can find HID‐compliant device under
somatology input device tag in PC device manager.)
(4) Double click *.bat to start updating.
(5) Wait for procedure completion.
SOFTWARE UPGRADE PROCEDURE
TOOL LIST
D
ISMANTLING INSTRUCTION
TOOLLIST
Item
Description
Remark
1
Screwdriver（small）
2.0
2
Screw driver（middle）
3 0
1
2
2
Screwdriver（middle）
3.0
3
Knife
“–’typeknife
(wrapped by
tape)
4
electrical screwdriver
3
4
S/NINDICATION
S/NLABELLOCATIONONJBL CHARGE3
STARTINGWITH“TL ”
5
Dismantling Instruction Pictures
3.Takeofffourscrewsasshowed
besideleftandrightcover
Note:keepthewaterproofand
Note:keepthewaterproofand
breathablemembraneintactshowed
theyellowringpart
1. Opentheclothnetworkcarefully
byscrewdriverfollowingthe
direction.
2. Opentheclothnetworkcarefully
byscrewdriverfollowingthe
direction.
Note:firstlyopenthebackcloth
Note:firstlyopenthebackcloth
network,andthenopenthefront
cloth network then take off them
clothnetwork,thentakeoffthem.
4. Holdontheleftandrightcoverand
turnthemdownfollowingthe
direction,thentakeoutthetwocovers.
6.Disconnecttwoconnectors,then
takeoutthetwospeakers
5.Takeoffthe8screws.
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