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7.3. No Key Function------------------------------------------ 18
7.4. No Remote Control Function -------------------------- 18
7.5. No NFC ----------------------------------------------------- 19
7.6. USB Device Cannot Detect---------------------------- 19
7.7. No Output Sound----------------------------------------- 20
7.8. Check Point------------------------------------------------ 21
8 Disassembly and Assembly Instructions --------------- 22
8.1. Type of Screws ------------------------------------------- 22
8.2. Disassembly Flow Chart-------------------------------- 23
8.3. Main Components and P.C.B. Locations ----------- 23
8.4. Disassembly of Top Cabinet -------------------------- 24
8.5. Disassembly of Front Panel Unit --------------------- 24
8.6. Disassembly of Panel P.C.B. -------------------------- 25
8.7. Disassembly NFC P.C.B.------------------------------- 26
8.8. Disassembly of USB P.C.B. --------------------------- 26
8.9. Disassembly of Mic P.C.B. ----------------------------- 26
8.10. Disassembly of SMPS P.C.B. ------------------------- 27
8.11. Disassembly of Main P.C.B. --------------------------- 27
8.12. Disassembly of CD Mechanism Unit ---------------- 28
8.13. Disassembly of CD Interface P.C.B.----------------- 28
9 Service Position ------------------------------------------------- 29
9.1. Checking of Panel P.C.B. ------------------------------ 29
9.2. Checking of SMPS P.C.B.------------------------------ 29
9.3. Checking of Main P.C.B.-------------------------------- 30
10 Block Diagram --------------------------------------------------- 31
10.1. System Control ------------------------------------------- 31
10.2. Audio -------------------------------------------------------- 35
10.3. Power Supply --------------------------------------------- 38
11 Wiring Connection Diagram --------------------------------- 40
12 Schematic Diagram--------------------------------------------- 41
12.1. Schematic Diagram Notes ----------------------------- 41
12.2. Main (Damp) Circuit (1/2) ------------------------------ 43
12.3. Main (Damp) Circuit (2/2) ------------------------------ 44
12.4. Main (Fan LED) Circuit --------------------------------- 45
12.5. Main (CD Motor Driver) Circuit------------------------ 46
12.6. Main (VREG Fan) Circuit (1/2)------------------------ 47
12.7. Main (VREG Fan) Circuit (2/2)------------------------ 48
12.8. Main (Tuner AUX) Circuit ------------------------------ 49
12.9. Main (IO Expansion) Circuit --------------------------- 50
12.10. Main (MICON) Circuit (1/2) ---------------------------- 51
12.11. Main (MICON) Circuit (2/2) ---------------------------- 52
12.12. Panel Circuit (1/3) ---------------------------------------- 53
12.13. Panel Circuit (2/3) ---------------------------------------- 54
12.14. Panel Circuit (3/3) ---------------------------------------- 55
12.15. Mic, USB and CD Interface Circuit ------------------ 56
12.16. SMPS Circuit (1/2) --------------------------------------- 57
12.17. SMPS Circuit (2/2) --------------------------------------- 58
13 Printed Circuit Board ------------------------------------------ 59
13.1. Main P.C.B. (Side A)------------------------------------- 59
13.2. Main P.C.B. (Side B)------------------------------------- 60
13.3. Panel, Mic and USB P.C.B. ---------------------------- 61
13.4. SMPS and CD Interface P.C.B.----------------------- 62
14 Voltage and Waveform Measurement -------------------- 63
14.1. Voltage Measurement----------------------------------- 63
15 Exploded View and Replacement Parts List ----------- 69
15.1. Cabinet Parts Location 1 ------------------------------- 69
15.2. Cabinet Parts Location 2 ------------------------------- 70
15.3. Cabinet Parts Location 3 ------------------------------- 71
15.4. Packaging -------------------------------------------------- 72
15.5. Mechanical Replacement Part List ------------------ 73
15.6. Electrical Replacement Part List --------------------- 75
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