Block Diagram - Amp Section - Sony HCD-HDX265 Service Manual

HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
6-4. BLOCK DIAGRAM – AMP Section –
AMP BUS
B
(Page 29)
HP_MUTE
HP_SW
SCDT
SCDT
SHIFT
D1
SHIFT
D2 MCK
(Page 31) K D2
BCK
BCK
BCK
LRCK
LRCK
LRCK
SCDT
SHIFT
LAT1
INIT
SOFTMUTE
OVF1
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
D3071 D1
SOFTMUTE
D3072
D2
OVF2
D3073
D3
A.CAL_OUT_LEVEL 19
OVF1
LAT1
DAMP LATCH1 47
LAT2
DAMP LATCH2 48
LAT3
DAMP LATCH3 49
INIT
DAMP INIT 50
SOFTMUTE
DAMP SOFT MUTE
51
OVF1
OVERFLOW1 44
OVF2
OVERFLOW2 45
DRIVE_RST (EN) 42
DRIVE_OCP (DIAG) 43
DC_DET 57
HPOUTL1 45
HEADPHONE
HPOUTL2 43
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
IC3051
23 SCLATCH
27 INIT
FSOCKO 37
X3051
19 SOFTMUTE
49.152MHz
FSOI 38
24 OVFFLAGR
25 FLAGLOVF XFSOOUT 14
STREAM PROCESSOR
IC3010
31 DATA OUTL1 11
36 XFSIIN
OUTL2 9
30 BCK
29 LRCK
OUTR1 6
R-CH
OUTR2 4
21 SCDT
22 SCSHIFT
XFSOIN 48
23 SCLATCH
27 INIT
(EXCEPT HDX266)
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
32 32
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 25 – 27 L.P.F.
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.
/RESET /SD
OVER LOAD
5 4 DETECT
Q3301, 3302
DIGITAL POWER AMP
M+12V
IC3300
PROTECT DETECT
+32V
Q3552, 3553
DC DETECT
Q3551
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO
TB780
SPEAKER
+
FRONT L
–
+
R-CH FRONT R
–
+
SUR L
–
+
R-CH SUR R
–
TB3901
SPEAKER
+
WOOFER
–
D3551
+
CENTER
–
FAN MOTOR
M3000
M
DRIVE
(FAN)
Q3000 – 3002
DIAG
L (Page 33)