Block Diagram - Marantz SM-11S1 Service Manual

7. BLOCK DIAGRAM

UNBALANCED
L CH
BALANCED
UNBALANCED
R CH
BALANCED
GAIN
BTL
INPUT
MAIN
TRANS.
SOFT
AC IN
START
FUSE
SUB
TRANS.
POWER
SW
+
I/V
-
VOLTAGE AMP
+
I/V
-
±56V POWER BUFFER-L
±56V POWER BUFFER-R
±24V VOLTAGE AMP
±12V DETECTOR, RELAY
+5V A/D
+24V +3.3V A/D, PLD
+3.3V - COM.
from SC-11S1
37
+
I/V DET.
-
POWER BUFFER
+
I/V DET.
-
PLD A/D
LCD
CONTROL
- COM.
DRIVER
SW
DC TRIGGER IN DRIVER
SPEAKER
OUT
+
SPK 1
-
+
SPK 2
-
PROTECT
+
SPK 1
-
+
SPK 2
-
RELAY
LED
38