Technics SU-C500EB Service Manual page 2

2.3. General description about Lead Free Solder
(PbF) ----------------------------------------------------------8
2.4. Handling Precautions for Traverse Unit --------------8
2.5. Grounding for
prevention ----------------------------------------------------9
3 Service Navigation---------------------------------------------- 10
3.1. Service Information -------------------------------------- 10
4 Specifications ---------------------------------------------------- 13
5 Location of Controls and Components------------------ 14
5.1. Remote Control Key Button Operation ------------- 14
5.2. Main Unit Key Button Operation---------------------- 15
6 Service Mode ----------------------------------------------------- 17
6.1. Service Mode---------------------------------------------- 17
7 Troubleshooting Guide---------------------------------------- 19
7.1. Preparations ----------------------------------------------- 19
7.2. No power --------------------------------------------------- 20
7.3. Unit Shutdown Soon After Power-up---------------- 23
7.4. No Display ------------------------------------------------- 24
7.5. LEDs do not illuminate ---------------------------------- 25
7.6. Remote control does not operate -------------------- 32
7.7. Volume + / - key does not work----------------------- 33
7.8. Touch key does not work ------------------------------- 34
7.9. CDs cannot be played back --------------------------- 35
7.10. USB is not recognized ---------------------------------- 36
7.11. PC (USB-B) does not operate ------------------------ 36
7.12. OPT IN does not operate------------------------------- 37
7.13. Bluetooth does not operate---------------------------- 37
7.14. Wireless/Wired network connection cannot be
made -------------------------------------------------------- 37
7.15. No sound from speaker--------------------------------- 38
7.16. No sound from headphones --------------------------- 39
8 Disassembly and Assembly Instructions --------------- 43
8.1. Type of Screws ------------------------------------------- 43
8.2. Disassembly Flow Chart-------------------------------- 44
8.3. Main Components and P.C.B. Locations ----------- 45
8.4. Disassembly of Rear Panel---------------------------- 46
8.5. Disassembly of Side AL Panel L & R --------------- 46
8.6. Disassembly of Bottom Chassis---------------------- 46
8.7. Disassembly of Front Panel Block ------------------- 47
8.8. Disassembly of Power SW P.C.B. ------------------- 47
8.9. Disassembly of Headphone P.C.B. ------------------ 48
8.10. Disassembly of Volume SW P.C.B. ------------------ 48
8.11. Disassembly of USB P.C.B. --------------------------- 48
8.12. Disassembly of Foot Illumination P.C.B.------------ 49
8.13. Disassembly of IR P.C.B.------------------------------- 49
8.14. Disassembly of OLED P.C.B. ------------------------- 50
8.15. Disassembly of Touch SW P.C.B. -------------------- 50
8.16. Disassembly of SMPS P.C.B. ------------------------- 51
8.17. Disassembly of AMP P.C.B. --------------------------- 51
8.18. Disassembly of BT Connect P.C.B.------------------ 52
8.19. Disassembly of CD Mechanism Block -------------- 52
8.20. Disassembly of CD P.C.B. ----------------------------- 53
8.21. Disassembly of CD Illumination P.C.B. ------------- 54
8.22. Disassembly of Shaft Unit A--------------------------- 55
8.23. Disassembly of Wifi Module --------------------------- 57
8.24. Disassembly of Main P.C.B. --------------------------- 57
8.25. Replacement of Wifi Antenna L & R----------------- 58
8.26. Assembly of Wifi Antenna L & R --------------------- 60
9 Service Position ------------------------------------------------- 62
electrostatic breakdown
9.1. Checking and Repairing of Power SW P.C.B.,
Volume SW P.C.B., IR P.C.B., OLED P.C.B.,
Touch SW P.C.B., SMPS P.C.B., AMP P.C.B.,
BT Connect P.C.B., CD P.C.B., Interlock SW
P.C.B., Wifi Module and Main P.C.B. --------------- 62
10 Block Diagram --------------------------------------------------- 63
11 Wiring Connection Diagram -------------------------------- 64
12 Exploded View and Replacement Parts List----------- 65
12.1. Cabinet Parts Location 1 (SU-C500EB/EG/
GN/PP) ----------------------------------------------------- 65
12.2. Cabinet Parts Location 2 (SU-C500EB/EG/
GN/PP) ----------------------------------------------------- 66
12.3. Packaging (SC-C500EB/EG/GN/PP)--------------- 67
12.4. Cabinet Parts Location 1 (SU-C550EB/EG) ------ 68
12.5. Cabinet Parts Location 2 (SU-C550EB/EG) ------ 69
12.6. Packaging (SU-C550EB/EG) ------------------------- 70
12.7. Mechanical Replacement Part List ------------------ 71
12.8. Electrical Replacement Parts List ------------------- 74
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