Block Diagram - Karaoke/Amp Section - Sony HCD-DH7BT - Dvd Receiver For Cmtdh7bt Micro System Service Manual

Q Q
3 7 6 3
6-4. BLOCK DIAGRAM – KARAOKE/AMP Section –
(DH3/DH5BT)
+11V
J701
MIC
MUTING
Q702, 703
MUSIC L+R
C
(Page 22)
T E
L 3
A/D CONVERTER
IC701
L-CH
K
1 LIN DOUT 12
BCK 11
(Page 24)
15 SCKI LRCK 12
CLOCK SHIFT
IC703
X702 CLOCK BUFFER
49.152MHz IC709
SYSTEM CONTROLLER
IC101 (4/5)
I-MIC DET 25
(DH3/DH5BT)
O-SM DATA 38
O-SM SHIFT 39
O-SM LACH 40
O-SM PG MUTE 34
O-SM SOFT MUTE 35
O-SM NSP MUTE 48
O-SM INIT 49
O-SM RST 36
I-SM SD 37
w w w
HCD-DH3/DH5BT/DH7BT
5
(DH3/DH5BT: Australian, Chinese, Singapore, Taiwan, Korean, Thai)
DIGITAL ECHO
IC702
VR702
ECHO LEVEL
MIC AMP MIC AMP
IC701 (1/2) IC701 (2/2)
VR701
MIC LEVEL
BUFFER
Q701
AC/DC
CONVERTER
IC209 (2/2)
AC/DC
CONVERTER
IC209 (1/2)
4 2 2 6 5 3
STREAM PROCESSOR DIGITAL POWER AMP
IC705 IC707
31 DATA OUTL1 11 4 PWM_A OUT_A 33
30 BCK
29 LRCK OUTL2 9 6 PWM_B OUT_B 30
36 XFSIIN OUTR1 6 14 PWM_C OUT_C 25
48 XFSOIN
OUTR2 4 16 PWM_D OUT_D 22
5 15 3
21 SCDT
22 SCSHIFT
23 SCLATCH
20 PGMUTE
19 SOFTMUTE
18 NSPMUTE
27 INIT
x o
y
. i
http://www.xiaoyu163.com
5
A+9V DH3/DH5BT: AEP, Russian, Australian,
Chinese, Singapore, Taiwan, Korean, Thai
COMPARATOR XVOICE XVOICE, SCORE
IC211
SCORE
COMPARATOR
IC210
Q Q
3 7 6
J860
+
L.P.F.
–
L.P.F.
L
SPEAKER
+
R
L.P.F.
–
L.P.F.
OVER LOAD OVER LOAD
DETECT DETECT
Q702, 703 Q752, 753
PROTECT
DETECT
Q701
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: MIC
u 6 3
.
25 25
http://www.xiaoyu163.com
2 4
8
MIC
J
(Page 24)
A
(Page 22)
3 5 5 8 2
m
c o
HCD-DH3/DH5BT/DH7BT
Ver. 1.2
2
8
4 8 2