Block Diagram - Digital Section - Sony STR-KM2 Service Manual

STR-KM2/KM3
5-2. BLOCK DIAGRAM – DIGITAL Section –
TUNER/
L-IN
AUDIO
A
SECTION
R-IN
(Page 13)
AVE HAPER
IC2303
J2301
COAXIAL
3 IN2 OUT3 2 63
BD/DVD IN
DIGITAL OPTICAL
RECEIVE
IC2351
OPTICAL
DIGITAL
OUT 1 59
GAME IN
DIGITAL OPTICAL
RECEIVE
IC2352
OPTICAL
AT/CATV OUT 1 58
IN
31
X2801
24 576MHz
32
KM3
ELECTOR
IC3527
+3 3V 8 2
CN2508
15
16
11
12
HDMI
13
SECTION
D
14
(Page 15)
7
9
10
21
18
TH251 26
TH252
27
STR-KM2/KM3
RE ET IGNAL GENERATOR
+3 3V
3 3V
DIGITAL AUDIO
INTERFACE RECEIVER
IC2806 (1/2) VDD
13
44 45
RXIN1
COAXIAL
DATA
INPUT
DEMODULATOR
RXIN5
OPTICAL GAME
P ,P DETECTION LOCK
DETECTION
C DETECTION
MICROPROCE OR
RXIN6 I/F
OPTICAL AT/ CATV
D P LRCKLRCKOUT
XOUT
XIN
60 61 6 - 9 3 - 5 37 38
Q2706
MUTE
ITCH
CEC
IC2811
4 CEC
CEC OUT 2
57 88 89
TEMP EN OR 1
TEMP EN OR 2
D P
IC2801 (1/2)
IC2034
2 1 173 RE ET
86
L/R OUT
C/ 1 OUT 94
L/ R OUT 73
3
3
MCLK IN
92
BCLK OUT 98
LRCLK OUT 99
24 CLKIN
X2800 MI O 39
25MHz MO I 38
25
XTAL2
PICLK 40
1 2V
VDDI
UART IN 50
3 3V
UART OUT 49
VDDE
15
136 135 134
Y0 4
Y3 12
1
3 B0 Y1
7
EL 1
BINARY
COUNTER
MUTING
IC2804
8
ITCH
CEC IN 1
46 47 69 70 71 68 96
D P
Y TEM
CONTROL
IC2105 (2/4)
14 14
D/A CONVERTER
IC2123
IGNAL ELECTOR
IC2805
DIN3
VO3L
1 A0 Y0 3 9
25
DAC
VO3R
A1 Y1 6
4 26
A2
10 Y2 8
VO2L
23
DIN2
8 DAC
VO2R
B0 2
24
VO1L
21
DIN1
DAC
7
CHMIT TRIGGER
VO1R
IC2009 22
Q
5
1 2
2 MCK
3 BCK
4 LRCK
14 13 12 11
IGNAL
ELECTOR
IC2032 (1/2)
9 3Y
11 1
IC2007
59 60 61 62 95 94
D P MI O
DAC
D P MO I
D P PICLK
FL OUT
R-CH
TUNER/
AUDIO
C
C OUT
SECTION
OUT (Page 13)
L OUT
R-CH
1 1V REG
IC2813
D2722
1 1V 1 VOUT VIN 8 +4V
D2723
IC2010
3 3V
3 3V
1 8
REG
CN2509
4
5 FLA H
PROGRAMMING
6
CN2506
4
18
5 FLA H
19
PROGRAMMING
6
20
6 5 2
: TUNER (FM/AM)
: DVD (DIGITAL)
R-
L-
EEPROM
IC2802