Marantz SR7013 Service Manual page 57

ASSIGN1 / 2 (SURR.BACK / HEIGHT1 / HEIGHT2) ch
EXT IN
+20dB
+10dB
LINE IN/EXT IN
200mV 0dB
-10dB
-20dB
-30dB
-40dB
SR7013
LEVEL DIAGRAM
ASSIGN1/2 (SURROUND BACK/HEIGHT1/HEIGHT2) ch
AK4458
＋ ＋
PLD
D/A
－
－
DSP
x4pcs
Volume IC: NJU72343 NON CLIP MAX SIGNAL LEVEL 4.2Vrms
DAC:AK4458
1.98Vrms=0dBFS FULL SCALE LEVEL = 2.0Vrms
DOLBY LIMIT LEVEL = 1.41Vrms (ALL ch -3dBFS)
-10dBFS
L.P.F GAIN = +0.4dB
SW:YES
-20dBFS(DIG.IN)
-23dBFS(A/D IN)
57
NJU72343
HDAM
NJU72750
＋
GAIN
ADJ.
Headroom:3dB
+29dB
-2.5dB
LINE IN/EXT IN
-2.5dB
+0.5dB
GAIN Setting of MASTER VOL 00dB
･SW:YES (DIGITAL) -2.0dB -0.5dB = -2.5dB
･SW:YES (DIGITAL) -2.0dB -0.5dB +3.0dB = +0.5dB
① ② ③ ④
①:Basic OFFSET of VOL=0dB (indication valude)
②:Fine-tuning by software Digital input
③:OFFSET of SW NONE
④:OFFSET of A/D input
SPEAKER
OUT
MUTE
PRE OUT
+30dB
4.24Vrms/8Ω
SPK OUT
+20dB
+10dB
200mVrms
PRE OUT
150mVrms
-10dB
-20dB
-30dB
-40dB