Marantz PM-11S3, Service Manual

Page: 21 / 80

BLoCK DIAGRAM
21
BAL.
CD
LINE 1
LINE 2
REC.1
+
-
REC.2
PHONO +
-
RIAA
I/V
I/V
RIAA
+
-
TREBLE
BASS
HEADPHONE
OUT
Rch
Rch
INPUT SELECTOR
Bi-AMP
I/V
±20V
+15V
±24V
PRE AMP
RELAY
SELECTOR +3V
DISPLAY
-COM.
LCD DISPLAY
F.C.B.S.
DRIVER
CONTROL
SW
IR SENSOR
LED, RELAY
to PM-11S3
PROTECT
TONE CONTROLLER
PHONO EQUALIZER
BALANCED BUFFER
PRE OUT BUFFER
POWER AMP
±58V
SPEAKER
OUT
SPK A
SPK B
+
-
-
+
+
-
PRE OUT
POWER BUFFER
MUTE
+
-
SOFT
START
+3V
+5V
AC IN
POWER SW
SUB TRANS
MAIN TRANS
-COM.
IR SENSOR
+5V VOL
MUTE
TONE
VOLUME
SOFT START
+
-
POWER AMP DIRECT IN
DETECT
RC5
REC OUT 1
REC OUT 2
REC OUT BUFFER
DETECT
DETECT
LINE DETECT
AMP
LINE DETECT
AMP
I/V
VOL
+
-
LINEAR CONTROL VOLUME
+
-
I/V
VOLTAGE AMP
MUTE
+
-