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HCD-V919AV
– 31 –
– 32 –
7-5.
BLOCK DIAGRAM – MAIN Section (2/2) –
-2
05
(Page 30)
L-CH
FEED BACK
POWER AMP
IC201 (2/2)
OVER LOAD
DETECT
Q601, 651
OVER LOAD
DETECT SWITCH
Q604
OVER LOAD
DETECT SWITCH
Q301, 303
RELAY DRIVE
Q401, 402
RELAY DRIVE
Q404 – 406
MUTE SWITCH
Q304, 305
PROTECTOR
Q302
FAN MOTOR
DRIVE
Q961, 962
R-CH
REAR
CENTER
20
15
8
-2
+
–
–
+
STANDBY
SWITCH
Q142
J755
PHONES
TM402
SURROUND SPEAKER
REAR
IMPEDANCE USE 16
Ω
TM401
FRONT SPEAKER
IMPEDANCE USE 6 – 16
Ω
R
L
D604
D311
D331
D332
RY401
RY403
M901
(FAN)
-1
-1
POWER AMP
IC201 (1/2)
OVER LOAD
DETECT
Q201, 251
D321
D407
D408
D405
D406
18
13
3
12
POWER AMP
IC601 (1/2)
1
18
POWER AMP
IC601 (2/2)
J
(Page 30)
M
(Page 30)
K
(Page 30)
N
(Page 29)
(Page 29)
(Page 29)
STK-MUTE
S
PL-RELAY
U
F-RELAY
T
+
M
• SIGNAL PATH
: TUNER (FM/AM)
DC DETECT
SWITCH
Q306, 307
TEMPERATURE
DETECT SWITCH
Q321, 322
THP321
+
–
+
–
–
+
R
L
SURROUND SPEAKER
CENTER
IMPEDANCE USE 8 – 16
Ω