Diagrams; Block Diagram - Main Section (1/2) - Sony STR-DB840 Service Manual

4-1. BLOCK DIAGRAM – MAIN Section (1/2) –
TM301
TUNER UNIT
TM301
(ANTENNA)
FM
FM
75Ω
AM
AM
FM DET OUT 9
FM DET OUT
E
RSD SIGNAL 6 FM IF OUT
L OUT
10
(Page 12)
R OUT R CH
12
(AEP, UK)
4 14 15 13 2 3 1
EQ AMP
IC302
J301
PHONO IN L
CD IN L
J302
(DB840) (DB940)
IN L
MD/TAPE DAT/MD
RECOUT L
J303
IN L
TAPE
RECOUT L
(DB940)
IC001
IR LINK
DVD/LD IN 5
DET 7
SELECT
4
IC002
SWITCH
IR LINK 6
TV/SAT IN
10
IC1005
DET
3
11
IC003
4
IR LINK
12
DAT/MD IN
DET
IC004 A
14
IR LINK
MD/DAT OUT
9 B 2
DET
IC007
J1001
COAX DVD/LD IN
(DB940)
J810-1
VIDEO 3 INPUT AUDIO L
(DB840) J201 VIDEO SELECT
MONITOR
IC201
VIDEO OUT
+5V
1 M OUT VCC 16
VIDEO IN 13 V1 IN
VEE 8 –5V
VIDEO 1
VIDEO OUT 15 V1 OUT
VIDEO IN 9 V2 IN
SW1 14
J202
VIDEO 2
SW2 10
VIDEO OUT 11 V2 OUT
SW3 4
TV/SAT VIDEO IN 3 6
TV SW4
D201
DVD/LD VIDEO IN 5 LD
SW5 2
J203
Y SWITCH
IC252
J253-1 Y
TV/SAT
15 Y
3 TV V1 0
SW1 14
S-VIDEO IN
SW2 10
C
4
SW3
C
J253-2 5
LD
Y
6
SW4 J252-2
DVD/LD 13
V1 I
2
SW5
VIDEO 1
S-VIDEO IN 1
M 0
D204
S-VIDEO OUT
C
C SWITCH
IC251
D205
Y
J252-1 3
TV V1 0 15
SW5 2
VIDEO 1 5 LD
SW1 14
Y
C 13
S-VIDEO IN V1 I
SW2 10
SW3
4
SW4 6
C
M 0 1
05
SECTION 4

DIAGRAMS

SELECTOR
IC309
IC330
26 TUNER COM 26
27 CD COM 27
25 MD COM 25
23 TAPE
15 14 16
AUDIO SELECT
IC301
J305
3
TV/SAT INPUT L
4
DVD/LD INPUT L
2
OUTPUT L
8
VIDEO2
J304
7
INPUT L
6
OUTPUT L
11 12
VIDEO1
10
INPUT L
CONTROL
15 14 16
DIGITAL AUDIO
I/F RECEIVER
IC1101
DATA
CK OUT
3 D IN
LRCK
36 DI
12.288M
38 CLK
37 CE
A
B
ERROR
AUTO
48
58 59 60 84 56 57 55 108 107 47 48 46 112 110 111 109 118
VIDEO
77
(SW1)
VIDEO
76
(SW2)
VIDEO
75
(SW3)
VIDEO
72
(SW4)
D202
J251
MONITOR
S-VIDEO OUT
SELECTOR
IC303 IC304
27
IC1504
26
25
27
26
AUDIO DSP
25 17
14 IC1403
113
13
CONTROL
114
IC1403
12
115
11
DOLBY
116
DIGITAL AUDIO DECODER
15 14 16
IC1301
IC1403
6 7
AU
24 117
SIA
DATA0
IC1403
4
AU
23 118 SIB
DATA1
85
SDIA1 5
2 3
AU
22 119
SIC
16 84
SDIA0 DATA2
53
IC1403
13
ı
ED16 – 31
69
14 83
BCK SDBCK0 SRAM
76
IC1402
ı
EA0 – 15
15 82 SDWCK0
94
IC11404 IC1404
74 XWE
3
6
22 8 XI XOE
70
5 2
25
7
1
ı
D0 – 7
31
34
39
IC1404
ı
35
DO
45
SO
83
32
15 HA0
X3501
12.288MHz
69 68 66 62
17
Q1204
10
Q1203
11
116 113 114 106 85 6 1 2 4 5 3 24 – 17 25
HD0 – HD7
SYSTEM
CONTROLLER
IC1201 (1/2)
11 11
RELAY
DRIVE
(DB840)
AUDIO CODEC
FRONT L
IC1504
IC1503
REAR L
30 LIN+
5.1CH INPUT
CENTER
29 LIN-
9 SDTO SUB WOOFER
39 IC1507
MCLK1
J307
5 7
4 BCLK
L OUT1 27
5
LRCK
7
5
L OUT3 23
IC1401
IC1505
3 1
SOA 2 2 R OUT3
BCK0 SDTI 1 24
IC1505
BCK1 SOB
3 3 SDTI 2
L OUT2 25
5
LRCK0 7
SOC 4 4 SDTI 3
IC1506
LRCK1
3 43 42 41 17 11
99
CLKI
X1401
10MHz
CLKO 100
SOD 5
HRDY 13
Q1507
9 14 26
MUTE
8 DRIVE
9
13 16 26 27 15 31 30 29 28 32 35
AC MUTE 82
66
PROTECT
RY HP 104
RY FRONT A 99
RY FRONT B 100
RY CENTER 101
RY WOOFER 103
RY REAR 102
RY PRE 98
DISP DATA 50
DISP CLK 52
DISP MR 49
SREQ 51
RESET 90
RY POWER 105
STOP 69
SOTO 10
SINO 9
MD2 87
XI XO MD0 89
93 92
X1201
16MHz
STR-DB840/DB940
(DB940)
J306
L 2ND
AUDIO
R OUT
R CH
Q301 RY301
SELECTOR
IC1502
19 2CH L
18 CDL IC1510
L
20 S.1-L L OUT 17
MUTE
23
S.1-LS
Q1502 IC1508
C
26 25
S.1-C C OUT
MUTE
3 S.1-C
Q1505 IC1508
W
W OUT 4
21 L
MUTE
Q1506 IC1509
B
27 C
SL
22
LS OUT
(Page 13)
2 W
MUTE
Q1503
24
LS
15 14 16
DATA
CLK
LAT
• SIGNAL PATH
: FM
: PHONO
: CD
: DVD
AC MUTE
PROTECTOR
HP RY
SP/A RY
SP/B RY
C
RY CENTER
(Page 13)
RY WOOFER
REAR SP RY
PRE RY
U DATA
U CLOCK
U MREQ
U SREQ
D1201
U REST
D1212
RESET
D
RY POWER
(Page 13)
STOP
SOT0
SIN1
MD2
MD0