Diagnostic Path Diagram - Denon AVR-S650H Service Manual

DIAGNOSTIC PATH DIAGRAM

fig.A01
* LOGIC CONTROL H IGH LEVEL INPUT VOLTAGE(MIN: + 2.5V / MAX: V+ )
SELECT IC
VCC:D A+ 5V
NJU72750AV
TUNER
FM/AM
32.768kH z
InA/B1
AUDIO IN
InA/B2
PH ONO
CBL/SAT InA/B3
AUX InA/B4
AUDYSSEY
MIC(AUTO SETUP) InA/B5
InA/B6
InA/B7
-7.0dB
ATT.
LEGO_ADC_L
ATT.
LEGO_ADC_R
D A01
DA_FL
D A02
DA_FR
D A03
DA_CEN
D A04
D A_SW
D A05
DA_SL
D A06
DA_SR
ATT.
AD_FL
ATT.
AD_FR
-8.5dB
D NMIX_LR
AVR-S650H ANALOG AUDIO BLOCK
V+ :+ 7.5V
V-:-7.5V
MAIN ZONE
OUTA1
LEGO
OUTA2
OUTA3
OUTB1
OUTB2
OUTB3
VOLUME IC
NJU72343V
ANA_FL
DA_FL
D A01
ANA_FR
DA_FR
D A02
DA_CEN
D A03
D A_SW
D A04
DA_SL
D A05
DA_SR
D A06
V+ :+ 7.5V
V-:-7.5V
* LOGIC CONTROL H IGH LEVEL INPUT VOLTAGE(MIN: + 2.5V / MAX: V+ )
120
H/P OUT
H/P L
GND
H /P R
P-AMP
SPK OUT
+
FL
-
+
FR
-
+
CEN
-
+
SL
-
+
SR
-
PRE OUT
SW 1
MUTE
SW 2