Block Diagram -Audio Section - Sony HCD-DZ777K Service Manual

6-3. BLOCK DIAGRAM – AUDIO Section –
J101
MIC2
Q101,104,105
MIC DC SWITCH
J100
AUDIO IN/
MIC1/
A.CAL MIC
DZ777K
J403
L
SAT/ AUDIO
CABLE
IN
R R-CH
DZ777K
J404(2/2)
TV
L
AUDIO
TV/VIDEO
IN
R R-CH
EXCEPT
DZ777K
17
VIDEO VIDEO
CN204
13
LCH
DMPORT
14 RCH
R-CH
DIGITAL
MEDIA PORT
5
TXD
6
RXD
7
DET
VBUS (5V)
2
4 VIDEO 5V
TU401
L-CH
FM/AM
TUNER R-CH
R-CH
ANTENNA PACK
TUNED
DI
75Ω FM
DO
COAXIAL
CL
AM CE
RDS_DATA
RDS_CLK
HCD-DZ265K/DZ266K/DZ270K/DZ570K/DZ777K
IC104 (1/2)
MIC AMP
3
SW3.3V
DC-CONT DC_CONT
IC103
MIC AMP
R-CH
3
1
2
D107
IC104 (2/2)
BPF
5
Q103
GAIN_CONT
Q102
DZ570K/DZ777K
IC202
VIDEO
E
DMPOART
SECTION
AUDIO AMP
(Page 34)
3 1
TXD
RXD
DET
VIDEO 5V
(DMPOART)
DZ265K/DZ266K
IC412
ELECTRONIC VOLUME
MIC2
1 8 VIN2 VOUT2 7
1 VIN1 VOUT1 2
DATA 4
CLK 5
IC411
INPUT SELECT
5 Y1 Y 3
2 Y2
4 Y3
D104 A 10
1 Y0
7
DZ265K/
B 9
DZ266K/
DZ270K
IC409
INPUT SELECT
5 Y1 Y 3
2 Y2
4 Y3
A 10
1 Y0
B 9
IC407
INPUT SELECT
5 Y1 Y 3
2
Y2
4 Y3
A 10
1 Y0
B 9
35 35
HCD-DZ265K/DZ266K/DZ270K/DZ570K/DZ777K
2
ALC EQ AMP
L-IN
RF
B
R-IN
SECTION
R-CH
(Page 33)
Q413
ASEL0
Q412
ASEL1
DZ570K/DZ777K
Q411
ASEL2
Q410
ASEL3
Q409
ASEL4
ASEL0
84 IO_CE/ASEL0
ASEL1
85 IO_RESET/ASEL1
ASEL2
Q408
86 IO_DI/ASEL2
ASEL5
ASEL3
81 ASEL3/DSP_SPIDS/XM_SRC_RST
ASEL4
5 DSP_MOSI_ASEL4
ASEL5
6 DSP_MISO_ASEL5
PLUG_DET1
66 JACK1/JACK2/S-ART DET
PLUG_DET2
MONO_ST_DET
90 MONO/ST_DET
GAIN_CONT
MIC_GAIN
26
A.CAL
91 A.CAL MIC LEVEL/DSP_MASTER
DC_CONT
28 DC_CONT
TXD
DMP_TX_OUT
30
IC501 (3/6)
RXD
29 DMP_RX_IN
SYSTEM CONTROL
DET
89 DMP_DET
TUNED
68 TUNED
DI
72 ST_DI
DO
70 ST_DO
69 ST_CLK
CE
ST_CE
71
DZ265K/DZ266K
RDS_DATA
76 RDS_DATA/XM_RST (PCONT)
RDS_CLK
75 INT3 RDS_CLK/LED_LAT
MIC 1+2
S-AIR/USB
G
SECTION
(Page 36)
8
6
ALC
D408
4
IC414
Q414 Q415
DZ570K/DZ777K
S-AIR_DET
S-AIR/USB
D
STS_Lin
SECTION
(Page 36)
55 80
CEC_RX_IN
CEC_RX_IN 3 VIDEO
F
CEC_TX_OUT
SECTION
CEC_TX_OUT 22
(Page 34)
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: VIDEO
: MIC