Kenwood KAC 848 rail voltage fluctuating

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zeppo4

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Joined 2007
I have a Kenwood KAC848 amp with the rail voltage fluctuating from about 28v to 33v. The 494 chip has many pins also going up and down, I will list the pins below. Please let me know where to start with this.
thanks Jeff

494 pins
1. 2.5 - 2.7v
2. .8 - 2.5v
3. 4.8 - 1.8v
4. .63
5. 1.69
6. 3.7
7. 0
8. 14
9. 0 - 4v
10. 0 - 3.7v
11. 14
12. 14
13. 5
14. 5
15. 5
16 0
 
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