Block Diagram - Input/Tuner Section - Sony STR-DB900 Service Manual

4-1. BLOCK DIAGRAM — INPUT/TUNER SECTION —
FM/AM TUNER
ANTENNA
TM101
COAXIAL
FM 8
L CH
75Ω
10
R CH
R-CH
AM
6 TU-TUNED
TUNED
TU-STEREO
7
STEREO
11 TU-MUTE
MUTE
3 TU-DATA
ST-DI/MC-DO
2 TU-DO
ST-DI/MC-DI
1
TU-CLK
CLK
4 TU-LATCH
CE
13 RDS-SIG
FM SIG OUT
15 RDS-DATA
RDS-DATA
14 RDS-INT
RDS-INT
AEP,UK MODEL
J102
L
FRONT
R R-CH
L
SURROUND
MULTI
R R-CH
CH IN
CENTER
SUB WOOFER
J101
L
DVD
IN
R R-CH
ANALOG
L
VIDEO
IN
R R-CH
J201
DVD IN
COAXIALIN
IR RECEIVER
HDD/MD
1
IC213
IN
HDD/MD
DIGITAL IR TRANSMITTER
3
OUT IC212
OPTICAL
IR RECEIVER
DVD IN
1
IC218
TV/SAT IR RECEIVER
1
IC214
IN
J701
VIDEO
IN
DVD IN
VIDEO
J702
TV/SAT
IN
MONITOR
OUT
STR-DB900
INPUT SELECT BUFFER
IC101 IC102
11 X3 X 13 3 1 1 VINL
15 X2
14
X1
Q102
12 X0
ASEL-A
A 10
ASEL-B
B 9
Q101
BUFFER
IC104
3 1 1 VINL
BUFFER
IC106
3 1 1
VINL
5 7 2
VINR
INPUT SELECT
IC211
WAVE
SHAPER
3 2 6 1C0 1Y
IC216
5 1C1
4 1C2
3 1C3 A 14
B
10
9 2Y 2C0
2C1 11
2C2 12
2C3 13
VIDEO INPUT SELECT
IC701
VIN1
12
VOUT1
10
VIN3
1
VOUT2
VIN2
3 5
NC
2 13 4 11
D807
D806
A/D CONVERTER
IC103
DOUT
12
BCK
11
LRCK
10
SCKI 15
PDWN
7
A/D CONVERTER
IC105
DOUT 12
BCK 11
LRCK 10
SCKI 15
PDWN 7
A/D CONVERTER
IC107
DOUT 12
BCK 11
10
LRCK
IC108
4 1
ADC-MCK
SCJI
15
7
PDWN
ADC-RST
+10V REG.
+10V 3 1 +12V
IC109
7
Q202
DSEL-A
2
DSEL-B
Q201
12.288MHz
13 13
DIR
IC217
3 DIN0(I) DATA(O) 16
BCK(O) 14
LRCK(O) 15
MCK
CKOUT(I) 13
DIR-AUDIO
20 XMCK(O)
AUDIO-(O) 24
22 XIN(I)
X203
DIR-XMODE
XMODE(I)
48
DIR-CKSEL
21 XOUT(O)
CKSEL1(I) 47
DIR-CLK
CL(I) 38
DIR-CE
CE(I) 37
DIR-DI
DI(I) 36
DIR-DO
DO(O)
35
DIR-ERR
ERROR(O)
LPF(0) 34
10
DELAY
Q203,204
STR-DB900
ADC-DATA-L/R
ADC-DATA-SL/SR
ADC-DATA-C/SW
DIR-DATA
BCK
LRCK
CONT-1
AUDIO DSP
A
SECTION
(Page 14)
CONT-2
• R-ch is omitted due to same as L-ch.
• Signal path
: FM
: VIDEO