Sony HCD-DZ280 - Block Diagram -AMP Section

HCD-DZ280/DZ680/HDZ284/HDZ485
HCD-DZ280/DZ680/HDZ284/HDZ485
3434
6-4. BLOCK DIAGRAM – AMP Section –
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
3
1
2
6
DATA
36 XFSIIN
AMP_D1 AMP_D3
AMP_D2
AMP_D3
MCK0
BCK0
LRCK0
OVF2
SCDT
SHIFT
LAT3
INIT
SOFTMUTE
AMP_D1
AMP_D1
D3071
EXCEPT DZ280: AEP MODEL
D3072
D3073
AMP_D2
AMP_D3
AMP_D2
MCK0
BCK0
LRCK0
OVF1
SCDT
SHIFT
LAT1
INIT
SOFTMUTE
MCK0
BCK0
LRCK0
SCDT
SHIFT
LAT2
INIT
SOFTMUTE
PLUG_DET2
BCKO
LRCKO
MCKO
AMP_0
BCK
LRCK
SD1
SD2
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
OUTR1(+)
4OUTR2(–)
9OUTL1(–)
11OUTL2(+)
48XFS0IN
38FS0I
31
-
33
34
-
36
OUT_A
LPF
SUBWOOFER
TB3901
TB5301
SPEAKER
CENTER
PHONES
J5001
IC3400
DIGITAL POWER AMP
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
-
36
OUT_A
IC3500
DIGITAL POWER AMP
PLUG DET2
HPMUTE
HDZ485
Q3116—3119
MUTE
Q3081
H/P MUTE
DRIVE
L
R
IC3001
HEADPHONE AMP
LPF
Q3251,3252
DC BALANCE
DETECT
D3551
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
-
36
OUT_A
LPF
IC3300
DIGITAL POWER AMP
LPF
Q3301,3302
DC BALANCE
DETECT
16 PWM_B
HP
HP
HP
HP
WF
WF
C
C
FR
FR
FL
FL
SR
SR
SL
SL
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
-
36
OUT_A
LPF
IC3100
DIGITAL POWER AMP
LPF
Q3101,3102
DC BALANCE
DETECT
8 PWM_A
16 PWM_B
7
6
/RESET
SD
OUT_A
34
-
36
31
-
33
OUT_B
LPF
IC3150
DIGITAL POWER AMP
IC3051
CLOCK
OSCILLATOR
LPF
Q3151,3152
DC BALANCE
DETECT
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
-
36
OUT_A
LPF
IC3200
DIGITAL POWER AMP
IC3020
S-MASTER PROCESSOR
IC3010
S-MASTER PROCESSOR
IC503 (4/5)
SYSTEM CONTROL
IC3030
S-MASTER PROCESSOR
LPF
Q3401,3402
DC BALANCE
DETECT
8 PWM_A
16 PWM_B
7
6
/RESET
SD
OUT_A
34
-
36
31
-
33
OUT_B
M+14V
LPF
IC3250
DIGITAL POWER AMP
LPF
Q3202,3201
DC BALANCE
DETECT
Q3551
DC BALANCE
PROTECT
Q3552 – 3555
B+ DOWN PROTECT
D3552
EN
+31V
Q502,503
BUFFER
FAN
DRIVE
Q3000 – 3002
31
6
DATA
36 XFSIIN
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
2
1
5
6
OUTR1(+)
41HPOUTR1
39HPOUTR2
45HPOUTL1
43HPOUTL2
71HP_MUTE/S_AIR_Rcv_SEL
68A.CAL_OUT/DSP_INTR
63
1DAMP_SCDT/DIR_DIN
2DAMP_SHIFT/DIR_CLK
59DAMP LAT1
60DAMP LAT2
61DAMP LAT3
57DAMP INIT
58SOFT MUTE
55OVERFLOW1
56OVERFLOW2
HPMUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
INIT
SOFTMUTE
OVF1
OVF2
EN
DIAG
DC-DET
54DRIVE RST(EN)
67SD(DIAG)/PVDD_DET
66DC_DET
4OUTR2(–)
11OUTL1(+)
9OUTL2(–)
48XFS0IN
14XFS0OUT
X3051
49.1MHZ
38FS0I
37FS0CKOUT
31
6
DATA
IC307
DATA SELECT
36 XFSIIN
30 BCK
29 LRCK
25 OVF FLAGL
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
OUTR1(+)
4OUTR2(–)
11OUTL1(+)
9OUTL2(–)
48XFS0IN
14XFS0OUT
38FS0I
5
7
6
(+)
(–)
(–)
(+)
FRONT R
SPEAKER
FRONT L
(+)
(–)
SUR R
(+)
(–)
SUR L
(+)
(–)
(+)
(–)
FAN3001
DC FAN
I
POWER
SECTION
F
AUDIO
SECTION
LINK_SW
A
G
RF
SECTION
AUDIO
SECTION
• SIGNAL PATH
: TUNER
LPF
LPF
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