Read Sony STR-K885 Service Manual online
11
STR-K885
Factory Test System Setup
1. When power off :
Press the three buttons MEMORY/ENTER + MOVIE +
?/1 .
“DCAC[]FTM” appears.
Afterward, press the TUNING MODE to start DCAC factory
test mode.
?/1 .
“DCAC[]FTM” appears.
Afterward, press the TUNING MODE to start DCAC factory
test mode.
1. DCAC DSP Data Line Checking
After press the TUNING MODE , DCAC Factory test mode will
start, below display will show:
start, below display will show:
“DCAC[][][]x” x = 1, 2, 3, 4
If there is error happen, below display will show:
If there is error happen, below display will show:
“ERR[]SD0x”
x = 1
→ D1501 or R1530 or C1512 problem
x = 2
→ D1502 problem
x = 3
→ D1503 problem
x = 4
→ D1504 problem
2. DCAC board Checking
Connect front left speaker of the receiver and AUTO CAL
microphone. Turn MASTER VOLUME jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
microphone. Turn MASTER VOLUME jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
“AD[]-[]xxx”
xxx = 0 to 255 (depends on loudness of test tone)
SPK Front Left
DCAC MIC
Receiver
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