Optical - LG SP8YA Service Manual

3. OPTICAL

6
Fig 3-1. Optical
Opt In
R294
4.7K
USB_EN
OPTICAL
3.3V_OPT
JK202
L200
VCC
GND
VOUT
C281
C280
100nF
10uF
DGND
7
3.3V_OPT
6
IC203
6 SELECT B1 1 R256
33
5 2
VCC GND
4 A B0 3
R295
10K NC
C290 FET SWITCH
100nF
A Select
B0 L
DGND
B1 H
3.3VA
7
R257 560
C282 C283
15pF 100pF
DGND
3-16
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Fig 3-2. Optical
Opt Det
M_OPT_IN MT8531
DGND
MICOM
OPT_DET
Only for training and service purposes.