Block Diagram - Amp Section - Sony hcd-hdx501W Service Manual

HCD-HDX500/HDX501W
Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – AMP Section –
AMP BUS
(Page 31) N
DIR_XSTATE
P
(Page 31)
SCDT
SHIFT
D2
K
(Page 31)
BCK
LRCK
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
HCD-HDX500/HDX501W
D FLIP-FLOP
IC782
4 Q D 1
CLK
2
HP_MUTE
HP_SW
SWITCHING
IC783
D1
6
MCK
3
5
BCK
Q781
LRCK
1
7
2
SCDT
SHIFT
LAT1
INIT
SOFTMUTE
SCDT OVF1
SHIFT
D2
BCK
LRCK
D2
MCK
BCK
LRCK
SCDT
SHIFT
LAT2
INIT
SOFTMUTE
OVF1
D3
MCK
BCK
SYSTEM CONTROLLER
LRCK
IC501 (4/5)
SCDT
HP_SW
HP_SW 52
SHIFT
HP_MUTE
HP_MUTE 53
LAT3
INIT
SOFTMUTE
OVF2
OVF1
LAT1
DAMP LATCH1 47
LAT2
DAMP LATCH2 48
LAT3
DAMP LATCH3 49
INIT
DAMP INIT 50
SOFTMUTE
DAMP SOFT MUTE 51
x a o
OVF1
y
OVERFLOW1 44
OVF2
OVERFLOW2 45
. i
DRIVE_RST (EN) 42
DRIVE_OCP (DIAG) 43
DC_DET 57
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8
HPOUTL1 45
HEADPHONE
43
HPOUTL2
AMP
HPOUTR1 41 IC3001
HPOUTR2 39
MUTING CONTROL
Q3081
31 DATA OUTL1 11
36 XFSIIN
OUTL2 9
30 BCK
29 LRCK OUTR1 6
R-CH
OUTR2 4
21 SCDT
22 SCSHIFT
OSC BUFFER
XFSOIN 48
23 SCLATCH IC3051
27 INIT
FSOCKO 37
X3051
19 SOFTMUTE
FSOI 38 49.152MHz
24 OVFFLAGR
25 FLAGLOVF XFSOOUT 14
STREAM PROCESSOR
IC3010
Q Q
31 DATA OUTL1 11
3 7 6 3
36 XFSIIN
OUTL2 9
30 BCK
29 LRCK
OUTR1 6
R-CH
OUTR2 4
21 SCDT
22 SCSHIFT
XFSOIN 48
23 SCLATCH
27 INIT
19 SOFTMUTE
FSOI 38
24 OVFFLAGR
25 FLAGLOVF XFSOOUT 14
STREAM PROCESSOR
IC3020
31 DATA OUTL1 11
36 XFSIIN
OUTL2 9
30 BCK
29 LRCK OUTR1 6
OUTR2 4
21 SCDT
22 SCSHIFT
XFSOIN 48
23 SCLATCH
27 INIT
19 SOFTMUTE
FSOI 38
24 OVFFLAGR
25 FLAGLOVF
STREAM PROCESSOR
IC3030
u 1 6 3
.
32 32
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2 4
9 9
J800
PHONES
MUTING MUTING
Q800, 801 Q802, 803
6 PWM_A OUT_A 28 – 30 L.P.F.
14 PWM_B OUT_B 25 – 27 L.P.F.
/RESET /SD
OVER LOAD
5 4 DETECT
Q3151, 3152
DIGITAL POWER AMP
IC3150
14 PWM_B OUT_B L.P.F.
1 5 1 25 – 27 5 0 8 9 2
6 PWM_A OUT_A 28 – 30 L.P.F.
/RESET /SD
OVER LOAD
5 4 DETECT
Q3201, 3202
DIGITAL POWER AMP
IC3250
14 PWM_B OUT_B 25 – 27 L.P.F.
6 PWM_A OUT_A 28 – 30 L.P.F.
/RESET /SD
5 4
DIGITAL POWER AMP
IC3500
6 PWM_A OUT_A 28 – 30 L.P.F.
14 PWM_B OUT_B 25 – 27 L.P.F.
/RESET /SD
OVER LOAD
5 4 DETECT
Q3251, 3252
DIGITAL POWER AMP
IC3400
14 PWM_B OUT_B 25 – 27 L.P.F.
6 PWM_A OUT_A 28 – 30 L.P.F.
m
/RESET /SD
OVER LOAD
5 4 DETECT
Q3301, 3302
DIGITAL POWER AMP
c o
M+12V
IC3300
PROTECT DETECT
+32V
Q3552, 3553
DC DETECT
Q3551
2
8 9 9
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO
TB780
SPEAKER
+
FRONT L
–
+
FRONT R
R-CH
–
+
4 9 8 2 9 9
SUR L
–
+
R-CH SUR R
–
TB3901
SPEAKER
+
WOOFER
–
D3551
+
CENTER
–
FAN MOTOR
M3000
M
DRIVE
(FAN)
Q3000 – 3002
DIAG
L (Page 33)