- No Sound: Main Board Power Off Checking (Main Speaker L & R) For Bax-L (Hel, Heh, Hm) Board Only - Sony KDL-32W700B Service Manual

CL4601 = 12.288MHz
CL4603 = 3.072MHz
Troubleshooting
CL4604 = 48KHz
RB2G CHASSIS
CL4602 = moving CLK
W700B/ W800B
All Vp-p ≈ 3.3V
2.3-5 - NO SOUND: MAIN BOARD POWER OFF CHECKING (MAIN SPEAKER L & R) FOR BAX-L (HEL, HEH, HM) BOARD ONLY
2-3 No Sound 2-3. No Sound
2-3-6. Main Board Power On Checking (for Main SP Lch & Rch) for BAX-L (HEL,HEH,HM) board only
No Checking Item
5 Check CL4605,
CL4606, CL4607
6 Check CL4601,
CL4602, CL4603,
CL4604
Chassis: RB2G, HE-L
If no frequency at CL4601,
CL4603, CL4604, Ayu2 IC
(IC9000) NG.
If no frequency at CL4602,
make sure sound source
OK.
OK
Vdc = 3.3V ± 0.3V
CL4601 = 12.288MHz
CL4603 = 3.072MHz
CL4604 = 48KHz
CL4602 = moving CLK
All Vp-p ≈ 3.3V
If sound source OK,
but CL4602 = NG,
Ayu2 IC (IC9000) NG.
NG If  NG
Vdc < 0.8V CL4606 NG,
Check IC4601
If no frequency at CL4601, If sound source OK,
CL4603, CL4604, Ayu2 IC but CL4602 = NG,
(IC9000) NG. Ayu2 IC (IC9000) NG.
If no frequency at CL4602,
make sure sound source
OK.
Chassis: RB2G, HE-L
If  NG
CL4605,4607 NG,
Check IC9000
Note:
( (AYU2/Ayu2L) – y )
IC9000
(Brownie)- IC9001
Note:
(AYU2/Ayu2L) – ( y )
IC9000
(Brownie)- IC9001
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