RB1G
CHASSIS
W900A/904A/905A
Troubleshooting
3-3-4. Main Board Power On Checking (for Main SP Lch & Rch)
No
Checking Item
OK
NG
If
NG
If
NG
5
Check CL4605,
CL4606, CL4607
Vdc = 3.3V ± 0.3V
Vdc < 0.8V
CL4606 NG,
Check IC4601
CL4605,4607 NG,
Check IC9000
6
Check CL4601,
CL4602, CL4603,
CL4604
CL4601 = 12.288MHz
CL4603 = 3.072MHz
CL4604 = 48KHz
CL4602 = moving CLK
If no frequency at CL4601,
CL4603, CL4604, Ayu2 IC
(IC9000) NG.
If no frequency at CL4602,
If sound source OK,
but CL4602 = NG,
Ayu2 IC (IC9000) NG.
All Vp-p
≈
3.3V
make sure sound source
OK.
Size
B* Board Type
G* Board
Type
OTHERS JP
40”
BA2-S BA2-W
G1A
94
46”
BA2-S BA2-W
G1A
55”
BA2-S
BA2-W
G1B
Note:
(AYU2) – IC9000
(Brownie)- IC9001
Содержание BRAVIA KDL-55W900A
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Страница 238: ...RB1G CHASSIS W900A 904A 905A 2 Diagrams 5 2 Block Diagram 5 2 7 PAN ASIA 238 ...
Страница 241: ...Sony Corporation 241 English 2013 04 Sony Corporation Sony EMCS Malaysia Sdn Bhd HESRDM 9 888 137 01 ...