Block Diagrams - Main Section - Sony STR-K751P Service Manual

STR-K751P
3-2. Block Diagrams – MAIN Section –
TUNER PACK
FM
L CH
75 Ω
COAXIAL FM
R CH R-CH
ANTENNA
AM
AM ST-DO
ST-DI
CLK
CE
STEREO
TUNED
MUTING
IC103
VIDEO SELECT
J201
MONITOR VIDEO OUT 1 M.OUT SW1 14
VIDEO IN 13 V1
SW2 10
VIDEO 1
J200
VIDEO OUT 15 V1 OUT
SW3 4
VIDEO 2 VIDEO IN 5 V2
SW4 6
DVD VIDEO IN 3 DVD
D204
SW5 2
D203
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: CD(ANALOG INPUT)
: DVD (DIGITAL INPUT)
IC1601(1/3)
SYSTEM CONTROL.
76 DO
J402
CD IN
78 SLATCH
OUT
74 STEREO
73 TUNED
MD/TAPE
75 MUTING J403
IN
DVD AUDIO IN
J404
VIDEO 2 AUDIO IN
AUDIO OUT
VIDEO 1
AUDIO IN
90 SW1
89 SW2
88 SW3
87 SW4
J1101
IC1102 IC1102
3 5 6 2
DVD
COAXIAL
IN
DIGITAL
IC1105
VIDEO 2
OPTICAL
OPTICAL
IN
IN
98 97 95 96 99 100
8
IC1101
DIGITAL AUDIO
I/F RECEIVER
5 DIN2
6
IC1201
AUDIO DSP
CK OUT 13 22 KFSI0 SCK OUT 14
BCK 14 29 BCKI2 BCKO 20
4 DIN1
LRCK 15 28 LRCKI2 LRCKO 19
SDI1 18
SDO1 23
DATAO 16 30 SDI2 SDO2 24
SDO3 25
D1101
35 DO
36 DI
AUDIO 24 69 GP8 IC1202
38
CLK
68 GP9
37 CE
35 HD OUT
34 ERROR SRAM
33 HD IN
17 XSTATE
34 HCLK
48 XMODE
36 HCS
47 CKSEL1
32 HACN
XIN XOUT 113 PM
22 21 56 BST MCLK1 9
X1201
2
XRST
13.59MHz
MCLK2 12
X1101 59 EXLOCK
12.288MHz
93 94 1 2 18 19 20 4 5 7 3 6
IC1601(2/3)
SYSTEM CONTROL
8
IC201
ANALOG SOUND
PROCESSOR
4 INL1
L OUT 54
80 INL3
60 RECL2
78 INL4
76
INL5
SL OUT 41
74 INL6
58
RECL1
72 INL7
C OUT 36
14 BAL L+
IC1501
AUDIO CODEC
IC1502
7
- 29 LIN- L OUT1 27 20 LIN2
IC1502
SW OUT
2 1 35
- 30 LIN+
L OUT2 25 23 SLIN2
39 MCLKI
4 BCLK L OUT3 23 24 CIN2
5 LRCK
R OUT3 24 25 SWIN2
(ANALOG SIGNAL)
9 SDTO
6 SDTI1
7 SDTI2
8 SDTI3
28 DATA
27 CLK
43 CDT1 29 LATCH
42
CCLK
41 CS
17 PD
3 S.MUTE
Q1601,1602 Q379
MUTING MUTING
CONT SWITCH
IC1604
EEPROM
SDA SCL
5 6
D1601
10 12 13 8 9 14 15 16 24 21 34 33
MD0
MD2
FLASH 1
FLASH 2
L
Q361
MUTING
SL SL
Q365
MUTING
A
C
Q363
MUTING
SW
Q364
MUTING
+3.3V
CNS3
MD0
49
VDD
FOR
MD2
51
FLASH
FLASH 1
28 PROGRAMMING
FLASH 2
27
RESET
B