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PSG1601003CE
A6
Network Audio Amplifier
Model No. SU-G30EB
SU-G30EG
SU-G30PP
Product Color: (S)...Silver Type
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3 6.1. Service Mode --------------------------------------------- 15
1.1. General Guidelines---------------------------------------- 3 7 Troubleshooting Guide --------------------------------------- 17
1.2. Before Repair and Adjustment ------------------------- 4 7.1. No power (checking Power 2nd P.C.B.) ------------ 17
1.3. Protection Circuitry ---------------------------------------- 6 7.2. No power (checking SMPS P.C.B.)------------------ 18
1.4. Caution For AC Cord (For EB) ------------------------- 7 7.3. No sound --------------------------------------------------- 18
1.5. Safety Parts Information --------------------------------- 8 7.4. No display-------------------------------------------------- 20
2 Warning -------------------------------------------------------------- 9 7.5. Knob no function ----------------------------------------- 21
2.1. Prevention of Electrostatic Discharge (ESD) 8 Disassembly and Assembly Instructions--------------- 22
to Electrostatically Sensitive (ES) Devices---------- 9 8.1. Type of Screws ------------------------------------------- 22
2.2. General description about Lead Free Solder 8.2. Disassembly Flow Chart ------------------------------- 23
(PbF)---------------------------------------------------------10 8.3. Main Components and P.C.B. Locations----------- 24
2.3. Grounding for electrostatic breakdown 8.4. Disassembly of Top Cabinet Unit -------------------- 25
prevention --------------------------------------------------10 8.5. Disassembly of Side AL Panel (L) & (R) Unit ----- 25
3 Service Navigation ----------------------------------------------11 8.6. Disassembly of Front Panel --------------------------- 25
4 Specifications ----------------------------------------------------12 8.7. Disassembly of Selector P.C.B. ---------------------- 26
5 Location of Controls and Components ------------------13 8.8. Disassembly of OLED P.C.B. ------------------------- 27
5.1. Remote Control Key Button Operation--------------13 8.9. Disassembly of Volume P.C.B. ----------------------- 27
5.2. Main Unit Key Button Operation ----------------------14 8.10. Disassembly of Headphone P.C.B. ------------------ 27
6 Service Mode -----------------------------------------------------15 8.11. Disassembly of USB P.C.B. --------------------------- 28