Panasonic SB-HWA480EB, Service Manual

Page: 2 / 109

2
5.1. Main Unit & Active Subwoofer Key Button
Operations ------------------------------------------------- 12
5.2. Remote Control Key Button Operations ------------ 13
6 Service Mode ----------------------------------------------------- 14
6.1. Service Mode Table 1 ----------------------------------- 14
6.2. Service Mode Table 2 ----------------------------------- 15
6.3. Service Mode Software Version Check Table----- 16
6.4. Service Mode Model Name Display Table --------- 17
6.5. Service Mode Region Display Table ---------------- 17
6.6. Service Function Error Code -------------------------- 18
7 Troubleshooting Guide ---------------------------------------- 19
7.1. Troubleshooting Flowchart----------------------------- 19
7.2. Troubleshooting guide for Wireless------------------ 20
7.3. Troubleshooting guide for HDMI Module----------- 21
8 Disassembly and Assembly Instructions --------------- 23
8.1. Service Fixture & Tools --------------------------------- 23
8.2. Disassembly flow chart --------------------------------- 24
8.3. Types of Screws ------------------------------------------ 25
8.4. Main Parts Location Diagram ------------------------- 26
8.5. Disassembly of Main Speaker Unit ----------------- 27
8.6. Disassembly of Active Subwoofer ------------------- 40
9 Service Position ------------------------------------------------- 47
9.1. Main Speaker Unit --------------------------------------- 47
9.2. Active Subwoofer----------------------------------------- 53
10 Block Diagram --------------------------------------------------- 55
10.1. Main Speaker Unit (SU-HTB485) -------------------- 55
10.2. Active Subwoofer (SB-HWA480)--------------------- 59
11 Wiring Connection Diagram --------------------------------- 61
11.1. Main Speaker Unit (SU-HTB485) -------------------- 61
11.2. Active Subwoofer (SB-HWA480)--------------------- 62
12 Schematic Diagram --------------------------------------------- 63
12.1. Schematic Diagram Notes ----------------------------- 63
12.2. Main Speaker Unit (SU-HTB485) -------------------- 65
12.3. Active Subwoofer (SB-HWA480)--------------------- 76
13 Printed Circuit Board ------------------------------------------ 80
13.1. Main Speaker Unit (SU-HTB485) ------------------- 80
13.2. Active Subwoofer (SB-HWA480) -------------------- 85
14 Voltage Measurement ------------------------------------------ 87
14.1. Main Speaker Unit (SU-HTB485) -------------------- 87
14.2. Active Subwoofer (SB-HWA480)--------------------- 92
15 Exploded View and Replacement Parts List ----------- 95
15.1. Cabinet Parts Location-1 (SU-HTB485) ------------ 95
15.2. Cabinet Parts Location-2 (SU-HTB485) ------------ 96
15.3. Cabinet Parts Location (SB-HWA480) -------------- 97
15.4. Packaging (SC-HTB485) ------------------------------- 98
15.5. Mechanical Replacement Parts List ----------------- 99
15.6. Electrical Replacement Parts List ------------------ 101