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TABLE OF CONTENTS
PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines ----------------------------------------- 3
1.2. Leakage Current Cold Check ----------------------------- 3
1.3. Leakage Current Hot Check (See Figure 1.) --------- 3
1.4. Protection Circuitry------------------------------------------- 3
2 Warning -------------------------------------------------------------- 4
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices ------------ 4
2.2. Caution for AC Cord (For EB) ----------------------------- 5
2.3. Service Caution Based on Legal Restrictions --------- 6
3 Service Navigation ---------------------------------------------- 7
3.1. Service Information ----------------------------------------- 7
4 Specifications ----------------------------------------------------- 8
5 Location of Controls and Components ---------------------9
6 Service Mode ------------------------------------------------------ 12
6.1.Service Mode Table 1--------------------------------------- 12
6.2.Service Mode Table 2--------------------------------------- 13
6.3.Service Mode Region Display Table -------------------- 14
6.4.Service Function Error Code ----------------------------- 14
7 Troubleshooting Guide ----------------------------------------- 15
7.1. Main Unit (SU-HTB690) ----------------------------------- 15
7.2. Active Subwoofer (SB-HWA690) ------------------------ 21
8 Wiring Connection and Voltage Data ---------------------- 23
8.1. Main Unit (SU-HTB690) ----------------------------------- 23
8.2. Active Subwoofer (SB-HWA690) ------------------------ 26
9 Disassembly and Assembly Instructions ----------------- 28
9.1.Disassembly Flow Chart ----------------------------------- 28
9.2.P.C.B. Location ----------------------------------------------- 29
9.3.Disassembly Procedure of Main
Unit (SU-HTB690) ------------------------------------------ 30
9.4.Disassembly Procedure of of Active
Subwoofer (SB-HWA690) --------------------------------- 35
10 Measurements and Adjustments -------------------------- 36
10.1.When replacing the MAIN P.C.B. and/or
NFC P.C.B. -------------------------------------------------- 36
11 NFC tag writer software --------------------------------------- 38
