Block Diagram - Amp Section - Sony HBD-E280 Service Manual

5-5.

BLOCK DIAGRAM - AMP Section -

AMP_D1
AMP_MCKO
AMP_BCKO
AMP_LRCKO
SCDT
SCSHIFT
LAT1
INIT
SOFTMUTE
OVF1
D
AMP_D3
(Page 30)
SCDT
SCSHIFT
LAT3
INIT
SOFTMUTE
OVF2
OVF1
AMP_D2
SCDT
SCSHIFT
LAT2
INIT
SOFTMUTE
OVF1
55 56
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
HBD-E280/T28
STREAM PROCESSOR
IC3010
OUTL2 (-)
31 DATA 9
36 XFSIIN
OUTL1 (+)
11
30 BCK
OUTR1 (+)
29 LRCK 6
OUTR2 (-) 4
21 SCDT
22 SCSHIFT
CLOCK BUFFER
23 SCLATCH
XFSOIN 48
IC3051
27 INIT
19 SOFTMUTE
FSOCKO 37
FSOI 38
24 OVF FLAGR
25 OVF FLAGL XFSOOUT 14
STREAM PROCESSOR
IC3020
31 DATA OUTL2 (-) 9
36 XFSIIN
OUTL1 (+) 11
30 BCK
29 LRCK OUTR1 (+)
6
OUTR2 (-) 4
21 SCDT
22 SCSHIFT
23 SCLATCH
XFSOIN 48
27 INIT
19 SOFTMUTE
FSOI 38
24 OVF FLAGR
25 OVF FLAGL XFSOOUT 14
STREAM PROCESSOR
IC3030
OUTL2 (-)
31 DATA 9
36 XFSIIN
OUTL1 (+)
11
30 BCK
29 LRCK OUTR1 (+) 6
OUTR2 (-) 4
21 SCDT
22 SCSHIFT
23 SCLATCH
XFSOIN 48
27 INIT
19 SOFTMUTE
FSOI 38
24 OVF FLAGR
25 OVF FLAGL
D3552
57 53 54 51 52 37 35
POWER AMP
IC3100
8 PWM_B OUT_B 36
6 PWM_A OUT_A 39
16 PWM_C
18 PWM_D
X3051
49.152MHz
7 /RESET_AB
OUT_C 31
17 /RESET_CD
5 /SD OUT_D 28
POWER AMP
IC3200
8 PWM_B (-) OUT_B 36
6 PWM_A (+) OUT_A 39
16 PWM_C (+)
18 PWM_D (-)
7 /RESET_AB
OUT_C 31
17 /RESET_CD
OUT_D
5 /SD 28
POWER AMP
IC3300
8 PWM_B OUT_B 36
6 PWM_A OUT_A 39
16 PWM_C
18 PWM_D
7 /RESET_AB
OUT_C 31
17 /RESET_CD
/SD OUT_D 28
5
+32.5V
PROTECT DETECT
Q3552
D6208
50 67
SYSTEM CONTROLLER
IC6201 (2/2)
31 31
TB451
L.P.F.
FRONT L
+
L.P.F.
OVER LOAD
DETECT
Q3102
+
L.P.F.
FRONT R
L.P.F.
OVER LOAD
DETECT
Q3101
L.P.F.
CENTER
+
L.P.F.
OVER LOAD
DETECT
Q3202
+
L.P.F.
SUBWOOFER
L.P.F.
OVER LOAD
DETECT
Q3201
TB401
L.P.F.
SUR L
+
L.P.F.
OVER LOAD
DETECT
Q3302
+
L.P.F.
SUR R
L.P.F.
OVER LOAD
DETECT
Q3301
D3551
DC DETECT
OUTPUT LEVEL
Q3553
DETECT FE_UNSW +14V
Q3551
36
HBD-E280/T28
SPEAKERS
FAN MOTOR
M1
M M
DRIVE
(FAN)
IC6501
FAN
CONTROL
Q6501
F
EN_POWER
(Page 32)
45 44