No sound issue
Are the signals applied to
P23
①② ④
of the
PBC-Main?
PCB-Audio
PCB-Speaker
Connector
(CN2)
①
+15.5~16V
②
GND
(P23)
①
NC
②
L GND
④
R
No
PCB-Main or PCB-I/O
Speakers
Yes
Yes
Are there signals on
the speaker terminals?
Power supply unit
No sound
Yes
No
Check
No
Take off the back cover and
check ifl wires of
the speakers
terminals have been well
connected to the
PCB-Main
and
speakers
?
Are the voltages applied to
CN2
①②
of the power
supply unit?
Picture is displayed. But no sound
Yes
No
11
Summary of Contents for 42HDF52 - 42" Plasma TV
Page 22: ...Packing 22 ...
Page 23: ...7 Block Diagram Plasma Television 23 ...
Page 24: ...ATSC Module 24 ...
Page 25: ...Power Module 25 ...
Page 26: ...8 Connection Diagram 26 ...
Page 29: ...10 Basic Block Diagram 29 ...
Page 30: ...11 Section Removed 12 Disassembly Diagram Mechanical 30 ...
