Service Guide SW-5.1 1020
1.2.5 No Sound from Middle Channel
Version No. 1.0 Page
11 of 24
No sound from middle
channel
1.
Short circuit or open
circuit of PCB for middle
channel
2.
JK4 earphone input
socket defective or
damaged
Such elements damaged as C32
and U3
Inspect/ repair/ replace
Inspect/ repair/ replace
1.
Output RCA socket defective
or damaged
2.
Power failure of U3 power
amplifier, power copper foil
broken
Replace/ repair
Summary of Contents for SW-5.1 1020
Page 1: ...Service Guide SW 5 1 1020 Service Guide KEY SYSTEM CORP Version No 1 0 Page 1 of 24 ...
Page 17: ...Service Guide SW 5 1 1020 Version No 1 0 Page 17 of 24 Chapter 2 Product Specifications ...
Page 20: ...Service Guide SW 5 1 1020 Satellite Version No 1 0 Page 20 of 24 ...
Page 23: ...Service Guide SW 5 1 1020 Version No 1 0 Page 23 of 24 Chapter 6 Electric Schematic Diagram ...
Page 24: ...Service Guide SW 5 1 1020 Version No 1 0 Page 24 of 24 ...