CENTER ch
2CH IN 0dB
(200m V)
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
DSP
DAC
SPK OU T
NJU72340A
CEN TER
CENTER CHANNEL
PLD
PCM 1690
CS49844A
-50dB
0dB (200mV rm s )
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
-50dB
+30dB
DAC
PCM 1690
-10dBFS
0dBFS
-20dBFS
-30dBFS
-40dBFS
DD INPUT:-20dB F S CNT 1 k H z
(M OD E : M ULTI CH STEREO )
ANA INPUT:200m V r m s L+ R 1 k H z
FULL S C ALE LEVEL= 2 .0Vrm s
-3.01dB
-2.5dB
+1 .0dB
4.27Vrm s/ 8ohm
SPK OU T
- D IG ITAL IN
G A IN s e tting o f M ASTER V O L 00dB
- A N A L OG IN
(1 ) : B asic O FFSET o f V O L= 0dB ( PREAM PG AIN:+15.5dB at VO L M AX)
(2 ) : O FFSET o f the A D input A T T
-2 . 5dB
-2 . 5dB
=-2.5dB
=+1.0d
B
(1 ) (2 )
G A IN
ADJ.
+3.5dB
PRE O UT
150m Vrm s
+29dB
PO W ERA M P GAIN
-3.01dB
NJM 8080 M AX.O UTPUT 7.78V rm s
NJU72340 M AX.O U T P U T 3 . 8 V rm s
DIFF.O U T
0dBFS=+/- 4 . 0 V pp= 2.83Vrm s
5M 80Z T
AVRS720W /X1300W LEVEL DIAG RAM
DSP O UTPUT : -20dBFS
DSP O UTPUT : -23.5dB FS
29
Caution in
servicing
Electrical Mechanical Repair Information Updating