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Only for training and service purposes
4. TROUBLE SHOOTING
ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
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4. TROUBLE SHOOTING
4.13 FM Radio Trouble
TEST POINT
CIRCUIT
CN201
L202
C245
C244
Q305
D301
1u
C321
24K
R309
Q301
EQBN0019201
KTC3770V
2
1
3
22n
L309
270ohms
R310
R311
4.7K
C324
470n
470n
C326
5.1ohms
R312
FM_ANT
FM_ANT_1
FM_LNA_EN
FM Radio(LNA)
56p
C329
L313
220n
ANT301
L301
56n
FM_ANT_1
GU073-5P-SD-E1500
ENRY0008801
CN1
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
D201
180n
L202
VBUS_USB
1n
C244
6.8p
C245
MUIC_DM
MUIC_ID
FM_ANT_1
MUIC_DP
Q05