19
7.5. No NFC
7.6. USB Device Cannot Detect
7.7. Fuse Checking
7.7.1. Main Fuse (F1001)
7.7.2. Back Up Circuit Fuse (F1401)
7.7.3. Back Up Circuit Fuse (F1501)
Press the Power Button
of Unit or Remote Control
to Turn ON the Unit
Press [ SELECTOR and choose
BLUETOOTH]
on the Set or Remote Control
Display " BLUETOOTH"
Change NFC PCB
NG
Check and Do Setting of NFC.
OFF the Set and Tap the Phone
on NFC Logo to ON the Set.
Set will ON at BLUETOOTH Mode
NG
Change Main PCB
NG
Set ON when Tap the
Phone on NFC Logo
Set will Display
"BLUETOOTH"
No Problem
Found
OK
KOKOKO
Check DC-DC Regulator IC
(IC2104)
Measured 3.3V at Pin 2
[refer to check point 8 ]
Press the Power Button
of Unit or Remote Control
to Turn ON the Unit
Change DAMP PCB
NG
Plug-in USB Device
FL Display " USB"
NG
Change DAMP PCB
NG
Press Play
FL Display
"Music Name or Title"
No Problem
Found
OK
KOKO
Press [ SELECT and
choose USB mode] on the Set
or Use Remote Control
Display " USB and NO DEVICE"
Check DC-DC Regulator IC
(IC2101)
Measured 5.6V at C2155+
[refer to check point 10 ]
krameRoN
1001Da OK
2041Db OK
1041Fc OK
3011Qd OK
2041CIe OK
Components Criteria
D1001 pin to pin resistance > 0Ω
D1402 pin to pin resistance > 0Ω
F1401
pin to pin resistance > 0ΩQ1103
IC1402
no open
pin 5 to pin 7/8 resistance > 0Ω
krameRoN
2041Db OK
Components Criteria
D1402 pin to pin resistance > 0Ω
Q1502 OK
1051Qg OK
6051Dh OKD1506 pin to pin resistance > 0Ω
Components Criteria
Q1502 pin to pin resistance > 0Ω
Q1501 pin to pin resistance > 0Ω
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