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HCD-GNX60/GNX70/GX9900
HCD-GNX60/GNX70/GX9900
7-5. BLOCK DIAGRAM – AMP SECTION –
IC600
POWER AMP
IC550
OVER CURRENT
PROTECTOR
: FM
MUTING
Q604, 606, 610
F-R
DBFB F/B
F-L
STK-MUTE
STK MUTE
FAN DET
FAN-CTL
FAN-ON
FAN-K
OVER LOAD
DETECT
Q668, 618
+
+
+
MUTING
Q640, 641
MUTING
CONTROL
Q634,682
F-RELAY
HP-DET
HP-MUTE
FAN-K
RELAY DRIVE
Q644, 647
H/P DET
F-RELAY
HP-MUTE
+
-
-
+
FRONT SPEAKER
L
R
PHONES
J1103
RY646
TM600
+
-
-
+
SURR SPEAKER
L
R
TM601
GNX70/GX9900
M
FAN MOTOR
DRIVE
Q580,581,584
DC FAN
M891
VL(AC)
TH629
TH630
THERMAL
DETECT
Q628, 630
THERMAL
DETECT
Q629
Q583
E2, E3, E51
D624
D550
Q648
Q506
• SIGNAL PATH
RY665
RELAY DRIVE
Q666