Overall Block Diagram; Mb-872 Board; Re-176 Board; Vr-261 Board - Sony WRR-802A Service Manual

MB-872 board

CN-1923
board
MUTE
CN1103
S1801
CN1102
MUTE
J1101
L1006
J1001
DC 9V IN

RE-176 board

IC1006
REGULATOR
+15 V
CN1003
IC1102
IC1103
IC1101
IC1303 IC1302
IC1001
DC-DC
±15V
CONVERTER
CN1001
POWER
SWITCH
CN1004
+9 V
CN1101
CN1002
+9V
IC1101
IC1004 IC1005
REG.
REG.
+12V -12V

VR-261 board

RV1201
CN1201
CN-1922 board
Tuner Unit
J1702
CN1102
Q2101
RF Block
CN111
+9V
AF Block
RF Block
Q2201
J1701

Overall Block Diagram

WRR-802A