Block Diagram - Marantz MM8077 Service Manual

BLOCK DIAGRAM

+15V
S/W
FL
UNBAL
BAL
+15V
S/W
FR
UNBAL
BAL
+15V
S/W
SL
UNBAL
BAL
+15V
S/W
SR
UNBAL
BAL
+15V
S/W
SBL
UNBAL
BAL
+15V
S/W
SBR
UNBAL
BAL
+15V
S/W
CNT
UNBAL
BAL
MAIN AMP
2SA1216/2SC2922
FL FL
FL_SIGNAL_DET.
FR
FR
FR_SIGNAL_DET.
SL
SL_SIGNAL_DET.
SR
SL
SR_SIGNAL_DET.
SBL
SR
SBL_SIGNAL_DET.
SBR
SBR_SIGNAL_DET.
CNT
SBL
CNT_SIGNAL_DET.
LINE DET
SBR
CNT
V Ref.
DC_AMP_DET.
FL_LEVEL_DET.
CURR_AMP_DET.
DC_AMP_DET.
FR_LEVEL_DET.
CURR_AMP_DET.
DC_AMP_DET.
SL_LEVEL_DET.
CURR_AMP_DET.
DC_AMP_DET.
SR_LEVEL_DET.
CURR_AMP_DET.
DC_AMP_DET.
SBL_LEVEL_DET.
CURR_AMP_DET.
DC_AMP_DET.
SBR_LEVEL_DET.
CURR_AMP_DET.
DC_AMP_DET.
CNT_LEVEL_DET.
CURR_AMP_DET.
DC_AMP
CURR_AMP AVSS_DET.
30
+18V
+21V
SPK_ON4
-21V
+21V
SPK_ON3
-21V
+21V
SPK_ON2
-21V
+21V
SPK_ON1
-21V
SPK_ON1
SPK_ON2
SPK_ON3
SPK_ON4
SPK OUT
+
FL
-
+
FR
-
+
SL
-
+
SR
-
+
SBL
-
+
SBR
-
+
CNT
-