Block Diagram - Tuner/Audio Amp Section - Sony STR-KS500 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
4-2. BLOCK DIAGRAM – TUNER/AUDIO AMP Section –
L-CH
A
(Page 8) J1710
L
SA-CD/CD
AUDIO IN
R R-CH
L
VIDEO 1
AUDIO IN
R R-CH
L
VIDEO 2
AUDIO IN
R R-CH
D/A CONVERTER
SDO1, SDO2, SDO3 SDO1
B
47 DATA3
SDO2
45 DATA1
(Page 8) SDO3
46 DATA2
BCKO, LRCKO, SCKO BCKO
C
40 BCK
LRCKO
41 LRCK
(Page 8) SCKO
38 SCKI
T E
L 1 3 9 4 2 2 9 6 5 1 3
33
FM 75Ω
FM
COAXIAL
ANTENNA
AM AM
w w w
STR-KS500
13 ADIFL
2 INL5
AUDIO SELECTOR,
ELECTRICAL VOLUME
4 INL4
6 INL3
IC1452
VOUT5 10 16 LIN LIGO
VOUT6 9
R-CH
VOUT1 14 19 SLIN SLIGO
VOUT2 13 R-CH
VOUT3 12 20 CIN CIGO
VOUT4 11 21 SWIN SWIGO
8 INL2
34 35 36 37 24 26
21 22
FAN-HI-DETECT
10 PCM1602_RST FRONT RELAY
12 PCM1602_ML REAR RELAY
13 PCM1602_MC CENTER RELAY
14 PCM1602_MDI
15 PCM1602_MDO
PROTECTOR
TN1
TUNER
LEVEL_DETECT
L CH 8
SYSTEM CONTROLLER
R CH 10 IC1601 (2/3)
R-CH
DO 2 69 DO
DATA 3 17 TUNER_DATA
CLOCK 1 16 TUNER_CLK
CE 4 68 SLATCH
TUNED 6 66 TUNED
STEREO 7 65 STEREO
MUTING 11 64 MUTE
RDS DATA 15 53 RDS DATA
RDS INT 14 52 RDS CLK
FM SIG OUT 13 43 RDS SIGNAL
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IC401
POWER AMP
52 51 LVIN LOUT 49
POWER AMP
37 38 SLVIN SLOUT 40
POWER AMP
36 35 CVIN COUT 33
Q Q
3 7 6
LINE AMP POWER AMP
29 30 SWVIN SWOUT 32
IC402
46
70
72
71
67
76
FAN MOTOR FAN MOTOR
+
F_CTRL1 73 CONTROL SWITCH ON/OFF SWITCH
Q867, 868 Q861
D820
FAN MOTOR
F_CTRL2 74 CONTROL SWITCH
Q862, 863
LEVEL SHIFT
FAN_CLK 75
Q866
u 1 6 3
9 9
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2 4
8 9 9
IC701
D529
RY701
IC651
RY601
IC501
D729
3 1 5 1 5 0 8 9 2
IC601
FAN MOTOR AC POWER RELAY
LEVEL DETECT PROTECTOR DRIVE
Q550, 551 Q730 – 732 Q720
D721,
D1110
M1
M
(FAN)
m
c o
.
STR-KS500
2
8 9 9
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
: TUNER
TM500
+
L
–
FRONT
–
R
+
R-CH
+
L
–
SURROUND
–
SPEAKERS
R
+
R-CH
TM501
-2
+
CENTER
–
–
4 9 8 2 9 9
-1 SUB WOOFER
+
RY501
RELAY RELAY
DRIVE DRIVE
Q620 Q520
D621, D521,
D1108 D1107