Block Diagrams - Main Section - Sony STR-K850P Service Manual

STR-K850P
3-2. Block Diagrams – MAIN Section –
TUNER PACK
FM
75 Ω L CH
COAXIAL FM
R CH R-CH
ANTENNA
AM
AM ST-DO
ST-DI
CLK
CE
STEREO
TUNED
MUTING
IC203
J201 VIDEO SELECT
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 3 DVD
VIDEO IN
SW5 2
D203
IC251
S-VIDEO
Y SWITCH
D251
1 M.OUT SW1 14
J251
3 DVD
MONITOR S-VIDEO OUT
SW2 10
SW3 4
5 V2
J252
SW4 6
SW5 2
DVD S-VIDEO IN
15 13
VIDEO 2 S-VIDEO IN
IC252
S-VIDEO
C SWITCH
1 M.OUT SW1 14
3 DVD
SW2 10
SW3 4
5 V2
SW4 6
SW5 2
15 13
J253
S-VIDEO
OUT
VIDEO 1
S-VIDEO
IN
• 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/SACD IN
78 SLATCH
OUT
74 STEREO
73 TUNED
MD/TAPE
75
MUTING J403
IN
DVD AUDIO IN
J404
VIDEO 2 AUDIO IN
90 SW1
AUDIO OUT
VIDEO 1
89 SW2
AUDIO IN
J401
88 SW3
CENTER
87 SW4 SUB WOOFER
MULTI
D204 CH
IN
SURROUND
FRONT
SELECT1 91
J1101
DVD
D252 COAXIAL
IN
IC1104
VIDEO 2 OPTICAL
IN
IN
IC1105
MD/TAPE OPTICAL
DIGITAL
IN
IN
OPTICAL
IC1107
MD/TAPE OPTICAL
OUT
OUT
IC1106
CD/SACD OPTICAL
IN
IN
Q301
SWITCH
6 9 10 11
J301
(1/2)
Y 12 0X XCOM 14
VIDEO2 13 1X
P B /B-Y
IN
P R /R-Y
ZCOM 4
5 0Z
3 1Z
Y
YCOM 15
DVD
P /B-Y 2 0Y
B
IN
1 1Y
P /R-Y
R
IC301
COMPONENT VIDEO
SELECTOR
IC1101
DIGITAL AUDIO
I/F RECEIVER
IC1102 IC1102
3 5 6 2
5 DIN2
14
6 1C0 1Y 7 4 DIN1
CK OUT 13
BCK 14
IC1103
5 1C1
SEELCTOR LRCK 15
2
DOUT
DATAO 16
3 DIN0
D1101
35 DO
36 DI
AUDIO 24
38 CLK
37 CE
34 ERROR
17
XSTATE
48 XMODE
47 CKSEL1
XIN XOUT
22 21
X1101
12.288MHz
98 97 95 96 99 100 93 94 1 2 18 19 20 4 5 7 3
3 VIN2
J301
(2/2)
VOUT2 11 Y
MONITOR
5 VIN3 VOUT3 9 P /B-Y
B
OUT
VOUT1 13 P /R-Y
R
1 VIN1
IC302
VIDEO AMP
8 8
IC1501
AUDIO CODEC
IC1502
6 7
- 29 LIN- L OUT1 27
IC1502
IC1201
2 1
AUDIO DSP - 30 LIN+
L OUT2 25
22 KFSI0 SCK OUT 14 39 MCLKI
29 BCKI2 BCKO 20 4 BCLK L OUT3 23
28 LRCKI2 LRCKO 19 5 LRCK
R OUT3
24
(ANALOG SIGNAL)
SDI1 18 9 SDTO
SDO1 23 6 SDTI1
30 SDI2 SDO2 24 7 SDTI2
SDO3 25 8 SDTI3
43 CDT1
69 GP8
IC1202
42 CCLK
68 GP9
41 CS
35 HD OUT
SRAM 17 PD
33 HD IN
3
S.MUTE
34 HCLK
36 HCS
32
HACN
113 PM
56 BST MCLK1 9
X1201
2 XRST
13.59MHz
MCLK2 12
59 EXLOCK
D1601
6 10 12 13 8 9 14 15
IC1601(2/3)
SYSTEM CONTROL
IC201
ANALOG SOUND
PROCESSOR
4 INL1
L OUT 54 L
80 INL3
Q361
MUTING
60 RECL2
78 INL4
76 INL5
SL OUT 41 SL SL
74 INL6
Q365
MUTING
58
RECL1
72 INL7
A
7 CIN1
8 SWIN1
C OUT 36 C
10 SLIN1
Q363
MUTING
11 LIN1
14
BAL L+
20 LIN2
SW OUT SW
35
23 SLIN2
Q364
MUTING
24 CIN2
25 SWIN2
Q1601,1602 Q379
MUTING MUTING
CONT SWITCH
IC1604
EEPROM
SDA SCL
5 6
+3.3V
24 21 34 33
CNS3
MD0
MD0 49
VDD
MD2 FOR
MD2 51
FLASH
FLASH 1
FLASH 1 28 PROGRAMMING
FLASH 2
FLASH 2 27
RESET
B