Wiring Diagram - Marantz MM8077 Service Manual

WIRING DIAGRAM

*OPTION
100/120V 230/220V
BN34 5P
ST-BY(2mm)
CN40 11P
FRONT(2mm)
CN30 2P
CN31 2P
AC-IN(7.92mm)
MAIN TRANS
(7.92mm)
ST-BY PCB
CUP12511Z-1
CN34 5P
CPU(2mm)
CN35 3P
POWER(2.5mm)
CN92 5P
FRONT(2.0mm)
ST-BY LED PCB
CUP12337Z-3
CN41 20P
POWER(2mm)
CN31 9P
BAL(2mm)
CN44 3P
SIGNAL_DET.
CPU PCB
(2.0mm)
CUP12497Z-1
BN11 11P
UNBAL(2mm)
FL
BN37 2P
SIGNAL DET.
(2.5mm)
MAIN TRANS
O
BN20 15P
FAN & PROTECTION
2.0mm
FAN
CN25 15P
POWER(2mm)
CN22 2P
FAN(2.5mm)
SL
CN62 2P
SIGNAL DET.
(2.0mm)
O O
BN92 11P
CPU(2.0mm)
BN91 5P BN93 3P
ST-BY LED(2.0mm) DISPLAY KEY
FRONT PCB
(2.0mm)
CUP12337Z-1
CN22 9P
BAL(2mm)
O O O O
BN22 9P
UNBAL(2mm)
FR SL SR
BN36 2P BN35 2P BN34 2P
SIGNAL DET. SIGNAL DET. SIGNAL DET.
(2.0mm) (2.0mm) (2.5mm)
O O O O O O O O
CN21 2P CN20 2P
O
AMP B (3.92mm) AMP C (3.92mm)
FL FR SL SR
CN61 3P
CN30 5P AMP B (2.5mm)
CN70 20P
MAIN TRANS
CPU(2.0mm)
CN60 3P
(7.92mm)
AMP B (2.5mm)
CN40 3P
MAIN TRANS
(2.5mm)
POSISTOR
CN65 2P OUT4 CN64 2P OUT3
AMP B (2.5mm)
SIGNAL DET. POWER SIGNAL DET. POWER
CN71 3P
(2.5mm) (2.0mm)
POWER (3.96mm)
FL FR
CN70 3P
HEAT DET
POWER (2.5mm)
CN72 2P
POR. B (2.5mm)
O O
CN51 3P BN10 2P CN53 3P CN29 2P
HEAT DET1 AMP B (2.5mm) HEAT DET3 POSISTOR1
(2.5mm)
CUP12511Z-2
FAN & PROTECTION PCB
CN52 3P BN20 2P CN54 3P CN28 2P
HEAT DET2 AMP C (2.5mm) HEAT DET4 POSISTOR2
(2.5mm)
O O
CN72 2P
PRO. (2.5mm)
CN70 3P
HEAT DET SR POWER (2.5mm)
CN71 3P
OUT1 CN63 2P OUT2
POWER (3.96mm)
POWER SIGNAL DET. POWER
POSISTOR
(2.5mm)
AMP C (2.5mm)
CN93 3P
FRONT(2.0mm)
DISPLAY KEY PCB
CUP12337Z-2
48
CUP12070Y-2
CN21 9P
BAL(2mm)
INPUT UNBAL PCB
CUP12070Y-1
O
INPUT UNBAL PCB
BN21 9P
UNBAL(2mm)
SBL SBR CNT
BN33 2P BN32 2P BN31 2P
SIGNAL DET. SIGNAL DET. SIGNAL DET.
(2.0mm) (2.5mm) (2.5mm)
O O O O O O
CN11 2P
POWER PCB
AMP C (3.92mm)
BN30 3P
SBL SBR
ST-BY(2.5mm) CUP12072Y
CN51 3P
AMP C (3.96mm)
CN50 3P
AMP C (3.96mm)
CN63 2P
AMP B PCB SIGNAL DET.
(2.5mm)
CUP12071Y
CNT
O O O O O O
FL FL FR FR CNT CNT
BN66 2P CN66 2P BN65 2P CN65 2P BN60 2P CN60 2P
AMP B BAL AMP B BAL AMP B BAL
(2.5mm) (2.5mm) (2.0mm) (2.0mm) (2.5mm) (2.5mm)
SL SL SR SR SBL SBL
BN64 2P CN64 2P CN63 2P CN63 2P BN62 2P CN62 2P
AMP B BAL AMP B BAL AMP B BAL
(2.0mm) (2.0mm) (2.5mm) (2.5mm) (2.0mm) (2.0mm)
O O O O O O
AMP C PCB
SBL
CUP12071Y
CN64 2P
SIGNAL DET.
(2.0mm)
CN20 3P
BAL(2.5mm)
O O O
BN20 3P
UNBAL(2.5mm)
CN70 5P
SIGNAL DET.
(2.5mm)
CN10 2P
AMP C (3.92mm)
CNT
BN70 5P
SIGNAL DET.
(2.5mm)
OUT2
POWER
HEAT DET
O O
BN68 5P CN67
BAL(2.5mm) POWER
(2.5mm)
SIGNAL
SBR SBR
DETECT PCB
BN61 2P CN61 2P
AMP B BAL
CUP12497Z-2
(2.5mm) (2.5mm)
O O
HEAT DET SBR
OUT3 CN65 2P OUT4
POWER SIGNAL DET. POWER
(2.5mm)