Block Diagram -Audio Section - Sony HCD-DZ7260 Service Manual

HCD-DZ260/DZ270/HDZ278
Q Q
3 7 6 3 1 5 1 5 0
6-3. BLOCK DIAGRAM – AUDIO Section –
J100
AUDIO IN/
A.CAL MIC
DZ260/HDZ278
J404(2/2)
L
AUDIO
TV/VIDEO
IN
R
DZ260/HDZ278
17
CN204
13
DMPOART
14
DC 5V
0.7V MAX
5
6
T E
L 1 3 9 4 2 2 9 6 5 1 3 7
2
4
CN400 (2/2)
EURO AV
6
2
OUTPUT
(TO TV)
DZ260
ANTENNA
75Ω FM
COAXIAL
AM
DZ260/HDZ278
COAXICAL
TV DIGITAL
IN
OPTICAL
RECEIVER
OPTICAL
w w w
HCD-DZ260/DZ270/HDZ278
SW3.3V
DC-CONT
Q101,104,105
MIC DC SWITCH
IC103
MIC AMP
R-CH
3
1
2
D107
Q103
GAIN_CONT
Q102
R-CH
IC202
VIDEO VIDEO
VIDEO
E
DMPOART
SECTION
AUDIO AMP
(Page 33)
LCH
3 1
RCH
R-CH
TXD TXD
RXD RXD
DET DET
VBUS (5V)
VIDEO 5V
(DMPOART)
VIDEO 5V
A(L)IN
A(R)IN
R-CH
TU401
L-CH
FM/AM
TUNER R-CH
R-CH
RACK
TUNED
DI
DO
CL
CE
DZ260
RDS_DATA
RDS_CLK
IC702
DIR
IC302
5 DIN2 (I) AUDIO- (O)
WAVE
SHAPE (COAX)
ERROR (O)
4 XOUT (O)
X701
IC301
12.288MHz
22 XIN (I)
LRCK (O)
2 4 DIN1 (I) CKOUT (O)
(OPT)
RF XSYSRST
x D a o
48 XMODE (I) CSFLAG (O)
SECTION y
(Page 32)
. i
http://www.xiaoyu163.com
IC411
(DZ260)
IC411
(DZ270/HDZ278)
IC411
INPUT SELECT
5 Y1
IC104
2 Y2
MIC LEVEL DETECT
D104 4 Y3
5 7
1 Y0
AMP
F
SECTION
(Page 35)
Q Q
3 7 6
DIR/USB CONTROL
MDIR_AUDIO
DIR_AUDIO/NC
24 52
MDIR_ERROR
34 51 DIR_ERROR/NC
SPDATA
DATA (O) 16 202 ADIN (SPDATA)
SPBCK
BCK (O) 14 200 SPBCK
SPLRCK
15 201 SPLRCK
SPMCK
13 199 SPMCK
MDIR_DO
DO (O) 35 231 LT/DIR_DO
MDIR_DI
DI (I) 36 230 RT/DIR_DI
MDIR_CE
CE (I) DIR_CE
37 221
MDIR_CL
CL (I) 38 227 DIR_CL
MDIR_CSFLAG
u 1 6 3
25 214 XVOICE/DIR_CSFLAG
34 34
2 4
8 9 9
L-IN
Y 3
RF
B
R-IN
SECTION
R-CH
(Page 32)
• R-ch is omitted due to same as L-ch.
Q413
• SIGNAL PATH
ASEL0
A 10
Q412
ASEL1
B 9
IC501 (3/5)
SYSTEM CONTROL
ASEL0
84 IO_CE/ASEL0
ASEL1
IO_RESET/ASEL1
85
PLUG_DET1
66 JACK1/JACK2/S-ART DET
PLUG_DET2
MONO_ST_DET
90 MONO/ST_DET
GAIN_CONT
MIC_GAIN
26
3 1 5 1 5 0 8 9
A.CAL
91 A.CAL MIC LEVEL/DSP_MASTER
DC_CONT
28 DC_CONT
TXD
30 DMP_TX_OUT
RXD
29 DMP_RX_IN
DET
89 DMP_DET
TUNED
TUNED
68
DI
72 ST_DI
DO
70 ST_DO
69 ST_CLK
CE
71 ST_CE
RDS_DATA
76 RDS_DATA/XM_RST (PCONT)
RDS_CLK
75 INT3 RDS_CLK/LED_LAT
IC1101 (3/3)
IC2101
VBUS CONTROL
VBUS_OC 197 1 3
USB_DM 45
USB_DP 44
m
VBUS_SW
POWER
c o VBUS_OE I
196
SECTION
(Page 36)
.
2
8 9 9
: TUNER
: VIDEO
2 4 9 8 2 9 9
CEC_RX_IN
CEC_RX_IN VIDEO
3 G
CEC_TX_OUT
CEC_TX_OUT SECTION
22
(Page 33)
DZ260
DZ260/DZ270
USB5V
VBUS
CN104
1
D-
2
D+
3
GND
4