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reserved. Only training and service purposes
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Check TP2,3
Signal exist?
Check TP1
Signal exist?
3. TROUBLE SHOOTING
Checking Flow
Image
START
Check next step
Check SW1104 Soldering
YES
NO
Check Transceiver
physical damage or soldering
condition
OK
Replace U1800
NOT
GOOD
YES
Check U1202 Soldering
NO
BOTTOM
3.5.3 GSM, WCDMA, LTE PART - DRX
TOP
3.5 GSM, WCDMA, LTE PART
Checking DRX RF signal path (WCDMA B1/B2/B3 LTE B1/B2/B3 GSM 1800/1900)
U1202
(DRM_MB)
SW1104
(M/S)
TP1
TP3
(GSM 1800/1900,
WCDMA B2/B3, LTE B2/B3)
U1800
(WTR2965)
BOTTOM
TP2
(WCDMA B1, LTE B1)
22
Summary of Contents for LG-M700TV
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