CENTER, SURROUND, SURR.BCK ch
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
0dBFS = +/-2.8Vpp=1.98Vrms
NR1508
LEVEL DIAGRAM
CENTER ch
SURROUND ch
SURR.BCK ch
-2.0-0.5=-2.5dB
+30dB
SP OUT
4.23Vrms/8Ω
+29dB
-2.0-0.5+3.0=+0.5dB
MAX SIGNAL LEVEL
DOLBY LIMIT LEVEL (ALLch-3dBFS)
0dBFS
-10dBFS
-20dBFS
-30dBFS
-40dBFS
AK4458
-0.4dB
Differential Out
NJU72343 MAX. OUTPUT 4.2Vrms
+
+
SPEAKER
OUT
DSP
GAIN
ADJ.
AK4458VN
D/A
-
-
+
PLD
NJU72343
PREOUT
DD INPUT:-20dBFS 1kHz
DSP OUTPUT:-20dBFS
ANALOG INPUT:200mVrms L+R 1kHz
(MODE:MULTI CH STEREO)
DSP OUTPUT:-23.0dBFS
PREOUT
159mVrms
39
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating