Block Diagram - Amp Section - Sony MHC-MG110 Manual

HCD-MG110/MG310AV
Ver 1.1 2001.05
7-4. BLOCK DIAGRAM – AMP Section –
(HCD-MG310AV)
FRONT
L-CH
G
(Page 23)
SURROUND
AMP
IC308
DBFB
SWITCH
D395, 399
SURROUND
SWITCH
Q301
D389
(HCD-MG110)
REAR
L-CH
J
(Page 23)
CENTER
H
(Page 23)
49 47 48
(HCD-MG110)
DBFB AMP
IC303
POWER AMP
IC501
R-CH
MUTING MUTING
DBFB LEVEL
Q517, 518 Q501
CONTROL
Q141 Q142
MUTING MUTING
R-CH
CONTROL CONTROL
Q522 Q502, 516
R-CH
STK MUTE
Q524
STK MUTE
REAR OUTPUT
SELECT SWITCH
IC307
11 10
8 9
R-CH
6 12
MUTING
POWER AMP
Q602, 603
IC602
R-CH R-CH
MUTING
R-MUTE
CONTROL
Q341, 342
MUTING
Q601
MUTING
C-MUTE
CONTROL
Q343, 344
35 34 65 44 23 21
OVER LOAD
DETECT
Q506, 507
TERMINAL D501
TH501
DETECT
Q511, 512
AU +9V
DC DETECT
+
Q513, 515
POWER ON PROTECT
MUTING DETECT
Q514
Q521
PROTECTOR
Q505, 508
D513
OVER LOAD
DETECT
Q604, 605
OVER LOAD
DETECT
Q606
SYSTEM CONTROLLER
IC801 (4/5)
24 24
+
+ + +
RY501
MUTING RELAY DRIVE
Q519, 520 Q504, 510
MUTING
CONTROL
+
Q523
+
+ +
+ + +
RY502
RY503
RELAY DRIVE
Q503, 509
40 55 45
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
J503
PHONE
J501 (1/2)
+
L
–
FRONT SPEAKER
IMPEDANCE
+
USE 8Ω
R
–
M391
(FAN)
FAN MOTOR
M
DRIVE
Q391, 392
D503
(Australian model)
J501 (2/2)
+
L
–
REAR
IMPEDANCE
+
USE 8Ω
R
–
SURROUND
SPEAKER
+
CENTER
IMPEDANCE
–
USE 8Ω
J502
(HCD-MG310AV)