Waveforms Of Major Check Point; System Part - 1 - LG UBK80 Service Manual

WAVEFORMS OF MAJOR CHECK POINT

1. SYSTEM PART - 1

1
IC501 MT8581 X-TAL 27 MHz
1.8VA_STB
1.8VA_STB_LDO
R401
0 (1608)
C404
C403
1uF
100nF
DGND
C401 10pF
1
DGND
UATXD
UARXD
C402 10pF
Ref. 10pF/330ohm
3-50
1.8V_NOR
R408
0 (1608)
C406
C407
4.7uF
100nF
IC501
DGND
A25 AVDD18_PLLGP
G23 AVDD18_PLLGP_STB
C26 AVDD18_PLLGP_AUD
R412 0
DGND
A26 XTAL1
R411
R413
1M
330
B26 XTALO
TP401 D27 TP_PLLGP
TP402 E27 TN_PLLGP
TP403
N29 UATXD
TP404 N30 UARXD
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