Diagnostic Path Diagram - Marantz SR5012 Service Manual

DIAGNOSTIC PATH DIAGRAM

fig.01
FL
FR
C
4IN / 4OUT
SW
ANALOG SWITCH
SL
NJU72751AV
SR
SBL
SBR
4IN / 4OUT
ANALOG SWITCH
NJU72751AV
7-INPUT/3-OUT
NJU72750AV
ALL MODEL : FM/AM 7-INPUT/3-OUTPUT
NJU72750
InA1
TUNER
InA2
InA3 OutA1
MIC
InA4 OutA2
(Mini Jack)
InA5 OutA3
InA6
VAUX_L
InA7
VAUX_R
InB1
InB2
InB3 OutB1
InB4 OutB2
InB5 OutB3
InB6
InB7
7-INPUT/3-OUT
NJU72750AV
7-INPUT/3-OUTPUT
InA1 NJU72750
CBL_L
InA2
InA3 OutA1
DVD_L
InA4 OutA2
InA5 OutA3
BD_L
InA6
InA7
CD_L
InB1
CBL_R
InB2
InB3 OutB1
DVD_R
InB4 OutB2
InB5 OutB3
BD_R
InB6
InB7
CD_R
SR5012 ANALOG AUDIO DIAGRAM
DA_FL
DA_FR
DA_C
DA_SW
DA_SL
DA_SR
DA_SBL
DA_SBR
INVERTING BUFFER
MAIN_AD_IN_L
LEGO_AD_IN_L
ZONE2_L
MAIN_AD_IN_R
LEGO_AD_IN_R
ZONE2_R
DA_C(EXT_IN_C)
DA_FR(EXT_IN_FR)
MAIN_AD_IN_L
LEGO_AD_IN_L
ZONE2_L
BUFFER
MAIN_AD_IN_R
LEGO_AD_IN_R
ZONE2_R
BUFFER
8-CH VOLUME
NJU72343
8-CH VOLUME
NJU72343
MAIN_L InA1 OutA
DA_FL
InA2
MAIN_R InB1 OutB
DA_FR
InB2
DA_C InC OutC
DA_SW InD OutD
DA_SL InE OutE
DA_SR InF OutF
DA_SBL InG1 OutG
ZONE2_L
InG2
DA_SBR InH1 OutH
ZONE2_R
InH2
Control Logic
HDAM &Current FB
BD3812F GAIN
IN1 OUT1
IN2 OUT2
AVR_S930H EXCEPT
INVERTING
147
ATT
H/P-L
H/P-R
FL
FL
FR
FR
C
C
SL
SL
SR
SR
SBL
SBL
(FL-B/FL-H/BI-AMP/ZONE)
SBR
SBR
(FR-B/FR-H/BI-AMP/ZONE)
FL
FR
C
SW1
SW2
SL
SR
SBL
SBR
Z2L
Z2R