Service Manual

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