Sony KD-65X9500B Service Manual page 89

Rb2t chassis
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3-4-3. No Sound Power On Check
Power On Check
From 3-3
(4) 12.5V check
12.5V is supplied to
Yes
K-PWB for a moment
before LED 3x blinking ?
No
Replace G-K Harness
Yes
OK ?
OK ?
No
Yes
Replace G-PWB
OK ?
No
No
Return to
3-3
KD-65/85X9500B
(4) 12.5V check K1-PWB (HJ)
Measure voltage between PVDD and GND at capacitor C4341,
C4342, C4441 or C4442. (See 3.3)
Voltage rise more than 0V for a moment at power on
→ Yes
Finish
TROUBLE SHOOTING
90

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