Sony CX-JTD8 - Block Diagram - AMP Section

CX-JTD8
3535
6-5. BLOCK DIAGRAM – AMP Section –
STNDBY
SWITCH
Q221 – 223
F-R
F-L
REAR-R
CENTER
REAR-L
86
PROTECT
4
3
STK MUTE
FAN DET
FAN
I-HOLD
OVER LOAD
DETECT
Q201, 251
+
+
+
HP MUTING
Q114, 115
FAN
HP-SW
I-HOLD
56
HP-SW
83
FAN
97
I-HOLD
OVER LOAD
DETECT
Q301, 351
RELAY DRIVE
Q281
RELAY DRIVE
CONTROL
Q282
HP-SW
+
-
-
+
FRONT SPEAKER
SURROUND
SPEAKER
CENTER
SPEAKER
L
R
PHONES
J502
RY281
SYSTEM CONTROLLER
IC1104 (4/5)
TM201
J
(Page 34)
M
FAN
SWITCH
Q708 – 710,
713, 714
(FAN)
M961
AC CUT DETECT
TH201
THERMAL
DETECT
Q216, 217
TH301
THERMAL
DETECT
Q316, 317
+
+
+
84
REAR-RELAY
RY381
RY382
TM301
L
R
RELAY DRIVE
Q383
RELAY DRIVE
Q381
(Page 36)
L
OVER
LOAD
DC DET
VP
OCP
CT
OUT
D391
2
1
OVER LOAD
DETECT
Q341
D491
D291
PROTECT
SWITCH
Q233, 234
OVER LOAD
DETECT SWITCH
Q232
-
-
-
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
IC201
POWER AMP
IC301
POWER AMP
IC203
OVER CURRENT
PROTECTOR
: TUNER (FM/AM)
VACS
CONTROL
Q602
92
VACS-IN2
RELAY DRIVE
CONTROL
Q384
88
FRONT-RELAY