HCD-HDX500/HDX501W
32
32
HCD-HDX500/HDX501W
6-4. BLOCK DIAGRAM – AMP Section –
DIGITAL POWER AMP
IC3150
TB780
LAT1
INIT
SOFTMUTE
SCDT
SHIFT
OVER LOAD
DETECT
Q3151, 3152
SYSTEM CONTROLLER
IC501 (4/5)
SPEAKER
TB3901
SPEAKER
FRONT L
FRONT R
SUR L
SUR R
WOOFER
CENTER
MCK
BCK
LRCK
OVF1
DC DETECT
Q3551
M+12V
+32V
D3551
DIR_XSTATE
DIAG
STREAM PROCESSOR
IC3010
5
4
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVFFLAGR
25 FLAGLOVF
D1
HP_SW
HP_MUTE
OVER LOAD
DETECT
Q3201, 3202
OVER LOAD
DETECT
Q3251, 3252
OVER LOAD
DETECT
Q3301, 3302
X3051
49.152MHz
R-CH
LAT2
INIT
SOFTMUTE
SCDT
SHIFT
LAT3
INIT
SOFTMUTE
SCDT
SHIFT
MCK
BCK
LRCK
OVF2
STREAM PROCESSOR
IC3030
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVFFLAGR
OVF1
D3
MCK
BCK
LRCK
OVF1
STREAM PROCESSOR
IC3020
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVFFLAGR
D2
LAT2
LAT1
LAT3
HP_SW
HP_MUTE
INIT
SOFTMUTE
OVF1
OVF2
DIGITAL POWER AMP
IC3400
PROTECT DETECT
Q3552, 3553
DIGITAL POWER AMP
IC3300
5
4
DIGITAL POWER AMP
IC3250
5
4
DIGITAL POWER AMP
IC3500
5
4
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
• SIGNAL PATH
: AUDIO
M
M3000
(FAN)
+
–
+
–
+
–
+
–
+
–
R-CH
R-CH
R-CH
SCDT
D2
SHIFT
BCK
LRCK
SCDT
D2
SHIFT
BCK
LRCK
FAN MOTOR
DRIVE
Q3000 – 3002
PHONES
J800
• R-CH is omitted due to same as L-CH.
MUTING CONTROL
Q3081
MUTING
Q800, 801
MUTING
Q802, 803
+
–
SWITCHING
IC783
D FLIP-FLOP
IC782
DPDVLRCK
LRCK
Q781
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
3
6
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299