Sony TC-WR690 - Recording and Playback Problems; Noise Issues and Solutions

| TC-WR690/WR790
PANEL
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
R304 1-249-421-11 CARBON 2.2K 5% 1/4W R667 1-247-887-00 CARBON 220K 5% 1/4W
R305 1-249-425-11 CARBON 4.7K 95% 1/4W R668 1-247-874-11 CARBON 62K = 5% 1/4W
R306 1-249-425-11 CARBON 4.7K 5% 1/4W R669 1-247-872-11 CARBON 51K 5% 1/4W
R351 =1-249-429-11 CARBON 10K 5% 1/4W R670 1-249-440-11 CARBON 82K = b% 1/4W
R352 1-249-426-11 CARBON 5.6K 5% 1/44 R671 1-249-441-11 CARBON 100K 5% 1/4W
R354 1-249-421-11 CARBON 2.2K 5% 1/4W R672 1-249-438-11 CARBON 56K = 5% 1/44
R355 = 1-249-425-11 CARBON 4.7K 5% 1/4W R673 = 1-247-883-00 CARBON 150K 5% 1/4
R356 1-249-425-11 CARBON 4.7K 5% 1/4W R674 =1-249-435-11 CARBON 33K 5% 1/4W
R392 1-249-425-11 CARBON 4.7K 5% 1/4W (WRE90) R675 1-249-435-11 CARBON 33K 5% 1/44
R401 1-249-429-11 CARBON 10K 5% 1/4W R676 1-249-440-11 CARBON 82K 5% 1/44
R402 1i-249-426-11 CARBON 5.6K 5% 1/44 R677. =: 1-247-885-00 CARBON 180K 5% 1/4W
R404 1-249-421-11 CARBON 2.2K 5% 1/4W R678 1-249-437-11 CARBON 47K 5% 1/4W
R405 1-249-425-11 CARBON 4.7K 5% 1/4 R679 = 1-249-440-11 CARBON 82K = 5% 1/4W
R406 1-249-425-11 CARBON 4.7K 5% 1/4W R681 1-249-432-11 CARBON 18K 5% 1/4W
R451 1-249-429-11 CARBON 10K = 5% 1/4W R682 1-247-868-11 CARBON 36K o% 1/4W
R452 1-249-426-11 CARBON 5.6K 5% 1/4W R683 1-247-866-11 CARBON 30K = 5% 1/4W
R454 1-249-421-11 CARBON 2.2K 5% 1/4W R684 1-247-874-11 CARBON 62K = b% 1/44
R455 1-249-425-11 CARBON 4.7K 5% 1/4W R685 1-247-868-11 CARBON 36K 5% 1/4W
R456 1-249-425-11 CARBON 4.7K 5% 1/4¥ R686 1-247-880-11 CARBON 110K 5% 1/44
R492 1-249-425-11 CARBON 4.7K 5% 1/4W (WR690) R687 1-249-436-11 CARBON 39K 5% 1/4W
R601 1-249-417-11 CARBON 1K 5% 1/4¥ R688 1-249-437-11 CARBON 47K 5% 1/4W
R602 1-249-441-11 CARBON 100K 5% 1/4W R689 =: 1-247-874-11 CARBON 62K 5% 1/4W
R603 = 1-215-454-00 METAL 24K 1% 1/6W R690 1-249-438-11 CARBON 56K b% 1/4W
R621 1-247-868-11 CARBON 36K = 5% 1/4W R691 1-247-868-11 CARBON 36K «5% )S™sC«O:/4W
R622 1-249-435-11 CARBON 33K 5% 1/4W R692 1-247-880-11 CARBON 110K 5% 1/4W
R623 =1-247-880-11 CARBON 110K 5% 1/4W R693 = 1-247-870-11 CARBON 43K 5% 1/4W
R624 1-247-884-11 CARBON 160K 5% 1/44 R694 1-249-438-11 CARBON 56K = O% 1/44
R625 1-247-870-11 CARBON 43K 5% 1/4W R695 = 1-249-435-11 CARBON 33K 5% 1 /4W
R626 1-249-440-11 CARBON 82K 5% 1/4W R696 1-247-870-11 CARBON 43K 5% 1/4W
R631 1-247-872-11 CARBON DIK = % 1/4W R697 = 1-247-872-11 CARBON 51K = o% 1/4¥
R632 1-247-870-11 CARBON 43K 5% 1/4W R698 1-247-881-00 CARBON 120K 5% 1/44
R633 = 1-247-892-11 CARBON 360K 5% 1/4W R903 =1-249-437-11 CARBON ATK 5% 1/4W
R634 1-247-885-00 CARBON 180K 5% 1/4¥ R921 1-249-407-11 CARBON 150 5% 1/4W
R635 1-247-868-11 CARBON 36K 5% 1/44 R922 1-249-409-11 CARBON 220 5% 1/4W
R636 1-247-891-00 CARBON 330K 5% 1/44 R926 ©1-249-407-11 CARBON 150 5% 1/4W
R641 1-247-874-11 CARBON 62K = o% 1/4¥ R927. = 1-249-409-11 CARBON 220 = 5% 1/4W
R642 1-249-437-11 CARBON 47K 5% 1/44 R928 1-249-411-11 CARBON 330 5% 1/4W
R643 =: 1-247-878-00 CARBON 91K 5% 1/4W R929 1-249-407-11 CARBON 150 = 5% 1/44
R644 = 1-247-878-00 CARBON 91K 5% 1/4W R930 1-249-409-11 CARBON 220 5% 1/4¥
R645 1-249-438-11 CARBON 56K = o% 1/44 R931 1-249-411-11 CARBON 330 5% 1/4W
R646 =1-247-883-00 CARBON 150K 5% 1/4W R932 1-249-413-11 CARBON 470 5% 1/4W
R651 = 1-249-417-11 CARBON 1K 5% 1/4W R933 = 1-249-415-11 CARBON 680 95% 1/4W
R652 1-249-441-11 CARBON 100K 5% 1/4W R934 1-249-417-11 CARBON 1K 5% 1/4W
R653 = 1-215-454-00 METAL 24K 1% 1/64 _ R935 = -1-249-420-11 CARBON 1.8K 5% 1/4W
R662 1-249-438-11 CARBON 56K o% 1/44 R936 ©1-249-424-11 CARBON 3.9K 5% 1/4¥
R663 1-247-870-11 CARBON 43K 5% 1/4W R937. =: 1-249-407-11 CARBON 150) oF 1/4W
R664 1-247-887-00 CARBON 220K 5% 1/4W R938 1-249-409-11 CARBON 220 5% 1/4W
R665 1-247-886-11 CARBON 200K 5% 1/4W R939: 1-249-411-11 CARBON 330.5% 1/4¥
R666 1-249-436-11 CARBON 39K 5% 1/4¥ R940 =: 1-249-413-11 CARBON 470 5% 1/4W