Schematic Diagram - Main Board (5/9) - Sony STR-KM22 Service Manual

5-11. SCHEMATIC DIAGRAM – MAIN Board (5/9) –
1 2 3
MAIN BOARD (5/9)
A
>028S 47
MAIN BOARD
(6/9), (7/9)
(Page 28), (Page 29)
B
HDMI_MUTE
48
C >029S
MAIN BOARD
(8/9)
HDMI_NLPCM
(Page 30)
49
DIR_SIGNAL
D
FB2043
0uH
E
SL/SR_IN
C/SW_IN
SBL/SBR_IN
DSP_ERROR
DIR_XSTATE
DSP_NPCM
F
G
R2102
10k
H
COM_CLK
COM_DATA
I A-GND
>013S 38
MAIN BOARD
(6/9) IC2111
(Page 28)
JSR1124
IC2111
DIGITAL OPTICAL C2370
RECEIVE
VCC 3
OPTICAL
GND 2
CL2099
IN 2
R2041
VOUT 1
J
DIGITAL
C2354
VCC 3
OPTICAL
GND 2
CL2100
IN 1
R2042
VOUT 1
IC2112
JSR1124
IC2112
K
DIGITAL OPTICAL
RECEIVE
STR-KM22/KM55/KM77
• See page 19 for Waveforms.
4 5 6
R2038
10k
0
3.1
Q2708
LTC014EUBFS8TL
MUTE PROTECTION
R2096 C2269
R2014
0.068
47 100
R2101
10k
C2268 1000p
C2093 R2005 R2019
D2304
470p 1M DA2J10100L 1k
1.3 1.7 1.7 1.8 0 0 3.1 0 0 0 0 0 0 1.6 0
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
C2270 0.1
C2043 0.1
17 DGND 10 9 7 6
3.4
18 DVDD 8
RXIN1 COAXIAL
R2080 22 0
MPOUT1
19 RXIN2 USB SPDIF
0
R2075 22
20 MPOUT2 RXIN3 HDMI SPDIF
R2083 22 0
21 MPOUT3
RXIN4 ARC SPDIF
R2091 10k
22 MPOUT4 RXIN5 OPTICAL GAME
IC2114
R2017 100 3.4
23 ERRF RXIN6 OPTICAL SAT/ CATV
LC89075WA-H
3.4
IC2114
MUTEB
24
1.9
25 NPCMF DIGITAL AUDIO INTERFACE
RECEIVER
26 MPIO1
FB2040
R2054
27 MPIO2
0uH
1.8k
28 MPIO3
29 MPIO4
R2073 220
1.8 11
30 XMCK RXIN1A COAXIAL
R2072
1.7
1M 31 XOUT
12
1.7
32 XIN
X2001
13
24.576MHz
C2007 C2006
7p 7p
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
3.4 3.3 3.2 3.3 0.1 0.2 3.4 3.4 2.6 2.6 5.1 2.5
C2274 C2273
0.1 0.1
C2041 C2625
C2272
0.1 0.1
0.1
C2265
100
FB2033
0uH
D2313
1SS367-T3SONY
10 C2044 0.1
C2211 2200p
100 D2314
1SS367-T3SONY
0.1
100
50 45
>030S >025S
MAIN BOARD MAIN BOARD
(7/9) (4/9)
(Page 29) (Page 26)
• See page 47 for IC Block Diagrams.
7 8 9 10
R2118
100
1.8
1 1CK
2 1CLR
IC2119
TC74VHC393FT (ELK)
3 1QA
IC2119
4 1QB
BINARY COUNTER
5 1QC
1.8
6 1QD
7 GND
R2144 560 R2145 0
2
R2143 100
5 Y
3.4
C2063
6 SELECT
1000p
7 ST
3.4
C2064
8 VCC
FB2053 0.1
0uH
3.4
PVDD 64
2.3
63
3.4
62
0
61
C2042 0.1
60
3.4
59
3.4
58
RXIN7 57
RXIN8 56
C2040 0.1
DGND 55
3.4
DVDD 54
RXOUT 53
52
DGND
51
RXIN2A 50
RXIN3A 49
3.3
Q2009
2PB709BSL R2007 1k
CEC DATA SWITCH
3.4
Q2001
0
2PD601ART
CEC DATA SWITCH
R2013 10k
51 52 53
>031S >032S >033S
MAIN BOARD MAIN BOARD MAIN BOARD
(6/9) (9/9) (6/9)
(Page 28) (Page 31) (Page 28)
27 27
11 12 13
HDMI_MCK
C2060 0.1
HDMI_BCK
HDMI_LRCK
3.4
3.3V
VCC 14
14
HDMI_SD3
1.8
2CK 13
15
HDMI_SD2
2CLR 12
HDMI_SD1
2QA 11
HDMI_SD0
2QB 10
2QC 9
HDMI_PCONT
1.8
2QD 8
HDMIOUT_5VPWR
HDMI_MB_MUTE
HDMI_INT
HDMI_SCL
HDMI_SDA
HDMI_RST
GND
4
Y 3
1.8
B 2
1.8
A 1
FB2047 D2315
0uH DA2J10100L
IC2118
TC7WH157FK
IC2118
MUTING
IC2110
TC7WHU04FK
IC2110
WAVE SHAPER
R2071 1 1A VCC
100
2.3
2 3Y 1Y
1.3
3 2A 3A
4 GND 2Y
C2358
C2359
Q2002
2PD601ART
CEC DATA SWITCH
R2008 R2011
3.3
27k
22k
3.3
2.7
D2323
3.4
RB751V40,115
1.7
R2012 220
2.7
3.7
0
Q2003
PDTC114ET
CEC DATA SWITCH
C2066 0.1
55
54 8
>034S >005S >035S
MAIN BOARD MAIN BOARD MAIN BOARD
(7/9) (1/9), (2/9), (3/9), (6/9), (7/9) (7/9)
(Page 29) (Page 23), (Page 24), (Page 25), (Page 29)
(Page 28), (Page 29)
STR-KM22/KM55/KM77
14 15 16 17
57 >037S
MAIN BOARD
(8/9)
(Page 30)
CN2509
19P
C2609 1000p CL2095
1 DGND
FB2031
R2055 680 CL2097
2 HDMI_MCK
0uH
C2619 1000p
3 DGND
R2056 0 FB2032 0
CL2098
4 HDMI_BCK
R2057 4.7k
CL2073
5 HDMI_LRCK
CL2082
6 HDMI_SD3
CL2081
7 HDMI_SD2
CL2079
8 HDMI_SD1
CL2080
9 HDMI_SD0
CL2078
RB2103 >038S
10 DGND
1k
11 HDMI_PCONT
HDMI RE PC
BOARD
CL2077
12 HDMIOUT_5VPWR
(2/2)
R2063 330 CL2075 CN3009
13 HDMI_SPDIF
(Page 34)
CL2076
14 HDMI_MB_MUTE
CL2074
15 HDMI_INT
R2061 47 CL2096
16 HDMI_SCL
R2062 47 CL2071
17 HDMI_SDA
CL2072
18 HDMI_RST
R2060 100 CL2070
19 CEC
J2301
1P
COAXIAL
IN
R2084 75
CL2101
C2355 C2361
470 10V 0.1
R2043
470
2.7 R2045 470k
8
7
1.3 R2044 8.2k
6
1.3
5
0.1
470 10V
+6.3V_DCDC
58
>039S
+12V_DCDC
59
MAIN BOARD
(7/9)
(Page 29)
CN2503
27P
1 +12V_DCDC
2 FL_GND
FL_DATA
CL2083
3 FL_DIN
FL_CLK CL2085
4 FL_CLK
FL_LAT
CL2084
5 FL_LAT
6 FL_GND
7 +6.3V_DCDC
8 +6.3V_DCDC
R2113 0
D_GND 9 DGND
FB2036 CL2089
10 +3.3V_STBY
0uH
SIRC CL2091
11 SIRCS
POWER_DET CL2090
12 PW_SW
AD_KEY1
CL2092
>040S
13 AD1
AD_KEY2
CL2093
14 AD2 LED BAR
INPUT CL2088 BOARD
15 INPUT_JOG
CN104
VOLUME CL2087 (Page 45)
16 VOL_JOG
LED_BAR
CL2115
17 LED_BAR
VOL_LED CL2114
18 VOL_LEDS
INPUT_LED
CL2113
19 INPUT_LED
NFC_RFDET CL2118
20 NFC_RFDET
NFC_SW
CL2119
21 NFC_SW
NFC_IRQ
CL2120
22 NFC_IRQ
NFC_SEL CL2121
23 NFC_SEL
24 DGND
NFC_DATA CL2122
25 NFC_DATA
NFC_RFDET
26 STBY SUPPLY
NFC_SPICLK
CL2123
27 NFC_SPICLK
R2236
100k
STBY SUPPLY
56
>036S
MAIN BOARD
(8/9)
(Page 30)