HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
31
31
6-4. BLOCK DIAGRAM - AMP Section -
DIGITAL POWER AMP
IC3150
TB5301
31
11
DATA
LAT1
INIT
SOFTMUTE
SCDT
SHIFT
OUTL1(+)
9
OUTL2(
–)
6
OUTR1(+)
4
OUTR2(
–)
48
XFSOIN
37
FSOCKO
38
FSOI
14
XFSOOUT
OVER LOAD
DETECT
Q3151, 3152
SYSTEM CONTROLLER
IC503 (4/5)
SPEAKER
TB3901
SPEAKER
FRONT L
FRONT R
SUR L
SUR R
CENTER
MCK
BCK
LRCK
OVF1
DC DETECT
Q3551
M+14V
AMP+32V
D3551
A
AUDIO_BUS
R
DIAG
STREAM PROCESSOR
IC3010
8 PWM_A
OUT_A
16
7
PWM_B
/RESET
6
/SD
36 XFSIIN
30 BCK
29 LRCK
HPOUTL1
HPOUTL2
HPOUTR1
HPOUTR2
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
25 OVF FLAGL
D1
HP_MUTE
OVER LOAD
DETECT
Q3201, 3202
OVER LOAD
DETECT
Q3301, 3302
OVER LOAD
DETECT
Q3251, 3252
59
60
61
X3051
49.1MHz
R-CH
OSC BUFFER
IC3051
31
11
DATA
LAT2
INIT
SOFTMUTE
SCDT
SHIFT
OUTL1(+)
9
OUTL2(
–)
48
XFSOIN
38
FSOI
14
XFSOOUT
31
11
DATA
LAT3
INIT
SOFTMUTE
SCDT
SHIFT
OUTL1(+)
9
OUTL2(
–)
6
OUTR1(+)
4
OUTR2(
–)
48
XFSOIN
38
FSOI
MCK
BCK
LRCK
OVF2
STREAM PROCESSOR
IC3030
36 XFSIIN
30 BCK
29 LRCK
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
OVF1
25 OVF FLAGL
D3
D1
D2
D3
MCK
BCK
LRCK
OVF1
STREAM PROCESSOR
IC3020
36 XFSIIN
30 BCK
29 LRCK
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
D2
DAMP_LAT1
LAT2
LAT1
SHIFT
SCDT
DAMP_LAT2
1
2
DAMP_SCDT
DAMP_SHIFT
LAT3
71
HP_MUTE
HP_MUTE
DAMP_LAT3
68
A.CAL_OUT
INIT
55
58
57
56
DAMP_INIT
SOFTMUTE
SOFT_MUTE
OVF1
OVERFLOW1
OVF2
OVERFLOW2
54
DRIVER_RST (EN)
67
SD/PVDD_DET
66
DC_DET
34 – 36
OUT_B
31 – 33
DIGITAL POWER AMP
IC3300
8 PWM_A
OUT_A
16
7
PWM_B
/RESET
6
/SD
34 – 36
OUT_B
31 – 33
PROTECT DETECT
Q3552
–
3555
DIGITAL POWER AMP
IC3400
16 PWM_B
OUT_B
8
7
PWM_A
/RESET
6
/SD
31 – 33
OUT_A
34 – 36
DIGITAL POWER AMP
IC3250
8 PWM_A
OUT_A
16
7
PWM_B
/RESET
6
/SD
34 – 36
OUT_B
31 – 33
DIGITAL POWER AMP
IC3500
16 PWM_B
OUT_B
8
7
PWM_A
/RESET
6
/SD
31 – 33
OUT_A
34 – 36
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
M001
(FAN)
+
–
TB5300
SPEAKER
FRONT L
+
–
+
–
+
–
+
–
+
–
K
6
OUTR1(+)
4
OUTR2(
–)
R-CH
R-CH
R-CH
BCK
LRCK
BCK
LRCK
FAN MOTOR
DRIVE
Q3000 – 3002
25 OVF FLAGL
PHONES
J5001
(HDX589W/HDX686W)
(HDX589W/HDX686W)
HDX285/HDX287WC/
HDX585/HDX587WC/
HDX685
• R-CH is omitted due to same as L-CH.
45
43
41
39
HEADPHONE
AMP
IC3001
MUTING CONTROL
Q3081
MUTING
Q3117, 3119
MUTING
Q3116, 3118
+
–
FRONT R
R-CH
+
–
D3071
D3072
D3073
PLUG_DET2
F
D3552
SUBWOOFER
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