Block Diagram - Amp Section - Sony Aiwa CX-JD5 Service Manual

6-5. BLOCK DIAGRAM – AMP Section –
F-L
F-R
STK MUTE
J
(Page 34)
REAR-L
REAR-R
CENTER
86
IC201
POWER AMP
+
OVER LOAD
DETECT
Q201, 251
TH201
STNDBY
D291
THERMAL
SWITCH
DETECT
Q221 – 223
Q216, 217
VACS
IC203
CONTROL
OVER CURRENT
Q602
PROTECTOR
CT VP
4 2
DC DET
OUT
OVER OCP
3 1
LOAD
TH301
THERMAL
DETECT
Q316, 317
D391
OVER LOAD OVER LOAD
DETECT
Q301, 351
+
IC301
POWER AMP
92
SYSTEM CONTROLLER
IC1104 (4/5)
RY281
HP MUTING RELAY DRIVE
Q114, 115 Q281
PROTECT
SWITCH
RELAY DRIVE
Q233, 234
CONTROL
Q282
OVER LOAD
DETECT SWITCH
Q232
D491
DETECT
Q341
RELAY DRIVE
Q381
RY381
RELAY DRIVE
Q383
RY382
RELAY DRIVE
CONTROL
Q384
84 88 97
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
35 35
J221
PHONES
TM201
+
L
+ -
FRONT SPEAKER
+
R
-
AC CUT DETECT
L
(Page 36)
M961
(FAN)
FAN DET
FAN
FAN
SWITCH M
Q708 – 710,
I-HOLD
713, 714
TM301
+
L
-
SURROUND
+ SPEAKER
R
-
+
CENTER
SPEAKER
-
83 56
CX-JD5