Block Diagram – Tuner/Audio Section - Sony STR-K1600 Service Manual

5-1. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
TN1
FM/AM TUNER UNIT
L-CH
R-CH
FM 75Ω R-CH
COAXIAL
NC 43 RDS SIG
ANTENNA
CE 74 SLATCH
AM
DO/ST 73 DO/SD/ST
DI 47 TUNER_DATA
CL 46 TUNER_CLK
TU+9V
7
DET 26 LINK DET
5
27 FLASH2/C LINK_RX
C LINK_RX
6
C LINK_TX 28 FLASH1/C LINK_TX
BUFFER
IC3002
13
J1311
L 3
DMPORT
14
R R–CH
+5V REG
2
VBUS+5V 4
IC1906
4
VIDEO 5V
AUS,MY,SP,TH MODEL
STR-K1600
VIDEO 3 IN/
PORTABLE AV IN VIDEO 1
SA-CD/CD/CD-R TV
AUDIO AUDIO IN IN IN
L R L R L R L
-2 -3 -3 -4 -3 -4 -5 -6
J298 (2/2) J402 (1/2)
SYSTEM
CONTROL
IC1101 (1/6)
VOL_IC_DA 60
VOL_IC_CL 59
1
F4001
RECT R2 AC
D4001
+6.5V REG
2 2 1
IC4001
F4002
R2 AC
SAT DVD
AUDIO IN AUDIO IN
R L R L R
-1 -2 -3 -4
J405 (1/2) J403
26
30
32
34
SEL
24
SW
28
38
10
60 MCU
59 I/F
SBL
SEL
54
SBLOUT
SW OUT
POWER
D DIGITAL
C OUT
B
SECTION
SECTION
SL OUT
(Page 20)
(Page 16)
L OUT
15 15
SA-CD/CD/CD-R
OUT
L
DIR –7V +7V
-1 -2
FUNCTION SELECT
J405 (2/2)
IC401
68 66
VEE VCC
46
44
41
R-CH
42
L
88
SEL
R-CH
87
SL
85
SEL
R-CH
84
C
86
SEL
SW
81
SEL
83
56 51 52 49
BUFFER
IC3001
+
2 1
R OUT
+4.5V REG
+7V
Q3001
STR-K1600
Ver. 1.1
VIDEO 1
AUDIO OUT
R L R
-1 -2
J402 (2/2)
L-IN
DIGITAL
A
SECTION
R-IN
(Page 16)
L-CH
R-CH
SL-CH
SR-CH
POWER
C
SECTION
(Page 20)
C-CH
SW-CH
• Signal path
: TUNER (FM/AM)
SBL-CH : VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
AUS: Australian model
MY : Malaysia model
SP : Singapore model
TH : Thai model
CN3001
D–LIGHT
SYNC OUT