Block Diagram - Tuner/Audio Section - Sony STR-KM2 Service Manual

5-1. BLOCK DIAGRAM – TUNER/AUDIO Section –
VIDEO
SA-CD/CD
AUDIO IN
AUDIO IN
L R L
-4 -5 -1
J302(1/2)
MX
CN104
FM
FM
ANTENNA
AM
AM
AM
CN103
+3.3V
STR-KM2/KM3
TV PORTABLE
AUDIO IN AUDIO IN
R
L R L R
-2 -4 -5 -7 -8
J300
50
49
54
53
58
SEL
57
46
45
SYSTEM
CONTROL
IC2105 (1/4)
98 10
EVOL_DATA MCU
11
EVOL_CLK 97
FM RECEIVER
4 FRF1
IC101
ROUT 14 62 INR2
LOUT 15 61 INL2
6 ARF1
7 ARF2
19 18
X101
32.768kHz
+5V
IC102
+3.3V
3 4
REG
SW OUT
C OUT
DIGITAL
SL OUT
C
SECTION
SR OUT
(Page 14)
FL OUT
FR OUT
DIR -7V +7V
FUNCTION SELECT
IC300
12 8
VEE VCC
25
26
SW
76
R-CH 75
L
14
SEL
I/F
R-CH 13
SL
18
SEL
R-CH 17
C
16
SEL
SW
15
SEL
71 70 68 72 69 73
13 13
VIDEO
AUDIO OUT
L R
-1 -2
J302 (2/2)
DIGITAL
L-IN
A
SECTION
(Page 14)
R-IN
FL-CH
FR-CH
SL-CH
POWER KEY
SR-CH
B
SECTION
(Page 17)
C-CH
SW-CH
: TUNER (FM/AM)
: TUNER
STR-KM2/KM3