DOWNLOAD Sony STR-KM2 / STR-KM3 Service Manual ↓ Size: 5.28 MB | Pages: 82 in PDF or view online for FREE

Model
STR-KM2 STR-KM3
Pages
82
Size
5.28 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-km2-str-km3.pdf
Date
PREV: Sony HT-M2 / HT-M3 Service Manual

Sony STR-KM2 / STR-KM3 Service Manual ▷ View online

5-1.  BLOCK  DIAGRAM  – TUNER/AUDIO Section –
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-IN
L-IN
SW
SEL
C
SEL
SL
SEL
R-CH
INR2
INL2
ROUT
LOUT
R-CH
R-CH
DIR
FUNCTION SELECT
IC300
VCC
VEE
+7V
SEL
SW
MCU
I/F
-7V
SW OUT
C OUT
SL OUT
FL OUT
SYSTEM
CONTROL
IC2105 (1/4)
FM RECEIVER
IC101
CN104
CN103
EVOL_DATA
EVOL_CLK
98
97
12
8
10
62
11
75
14
13
18
17
SW-CH
16
71
70
68
69
SR OUT
FR OUT
72
73
54
53
50
49
58
57
46
45
15
76
25
26
L
SEL
14
61
15
FRF1
ARF1
4
6
ARF2
7
X101
32.768kHz
19
18
X2
X1
+3.3V
+5V
+3.3V
REG
4
3
IC102
J302(1/2)
J300
-1
-2
-4
-5
-4
-5
J302 (2/2)
-1
-2
SA-CD/CD
AUDIO IN
L
R
TV
AUDIO IN
L
R
-7
-8
PORTABLE
AUDIO IN
L
R
L
R
VIDEO
AUDIO IN
L
R
VIDEO
AUDIO OUT
FM
AM
AM
Ÿ&2$;,$/
FM
AM
ANTENNA
‡6LJQDOSDWK
           : TUNER (FM/AM)
   : TUNER
‡5FKLVRPLWWHGGXHWR
VDPHDV/FK
DIGITAL 
SECTION
(Page 14)
DIGITAL 
SECTION
(Page 14)
POWER KEY
SECTION
(Page 17)
A
B
C
MX
STR-KM2/KM3
STR-KM2/KM3
13
13
5-2.  BLOCK  DIAGRAM  – DIGITAL Section –
TUNER/
AUDIO
SECTION
(Page 13)
C
TUNER/
AUDIO
SECTION
(Page 13)
A
HDMI
SECTION
(Page 15)
D
L-IN
R-IN
3 - 5
14 - 16
19 - 21
75, 97,103
6 - 9
74, 95,101
‡ 6LJQDO SDWK
           : TUNER (FM/AM)
           : DVD (DIGITAL)
‡ R-FK LV RPLWWHG GXH WR
  VDPH DV L-FK
COAXIAL
BD/DVD IN
DIGITAL
OPTICAL
6AT/CATV
IN
J2301
OPTICAL
GAME IN
X2800
25MHz
CN2508
12
13
16
11
14
7
9
10
21
18
15
44
13
45
73
94
86
X2801
24576MHz
CLKIN
6L/6RBOUT
C/6:1BOUT
L/RBOUT
24
XTAL2
25
92
BCLKBOUT
MCLKBIN
98
LRCLKBOUT
6PICLK
Y0
B0
Y3
Y1
6EL
MO6I
MI6O
IRQ/GPIO
FLAG1
FLAG2
99
70 71 68
31
32
88 89
37 38
INPUT
DATA
DEMODULATOR
PD,PE DETECTION
LOCK
DETECTION
MICROPROCE66OR
I/F
C ELW DETECTION
15
1
OUT
1
8
96
CKA
Q4B
DIGITAL OPTICAL
RECEIVE
IC2352
DIGITAL AUDIO
INTERFACE RECEIVER
IC2806 (1/2)
2
3
:AVE 6HAPER
IC2303
IC2010
8
1
1
8
33V
REG
12V
VDDI
33V
VDDE
33V
TEMPB6EN6ORB1
VDD
33V
11V REG
IC2813
11V
+4V
VOUT
VIN
D6P
IC2801 (1/2)
COM
BCLK
57
HDMI
B6
CL
COM
BDA
TA
6CK COM
BCLK
6I COM
BDA
TA
63
58
TH251
6ELECTOR
IC3527
2
8
+33V
RE6ET 6IGNAL GENERATOR
IC2034
1
2
+33V
D2722
D2723
TH252
26
TEMPB6EN6ORB2
27
XOUT
RXIN1
COAXIAL
RXIN6
OPTICAL 6AT/ CATV
D6P LRCKLRCKOUT
1
OUT
IN2 OUT3
DIGITAL OPTICAL
RECEIVE
IC2351
59
RXIN5
OPTICAL GAME
XIN
6Y6TEM
CONTROL
IC2105 (2/4)
11
14
94
18
19
20
6 5 2
95
MUTE
LA
T
MUTE
M/LA
T
12
MC/CLK
13
MD/DA
TA
DIN3
FL OUT
R-CH
VO3L
VO3R
VO2L
VO2R
VO1L
VO1R
9
26
25
7
2 MCK
3 BCK
LRCK
4
D/A CONVERTER
IC2123
DIN2
C OUT
R-CH
23
DAC
DAC
DIN1
6L OUT
21
6: OUT
22
DAC
DAC
D6P
69
RXIN3 HDMI 
6PDIF
ADINR
ADINL
D
6P
 MCK 
MCKOUT
CEC  6:ITCH
IC2811
134
135
136
3
10
8
6
4
1
2
8
2
5
1
6CHMIT TRIGGER
IC2009
6IGNAL
6ELECTOR
IC2032 (1/2)
EEPROM
IC2802
CN2506
4
5
6
FLA6H
PROGRAMMING
CN2509
4
5
6
FLA6H
PROGRAMMING
12
4
7
1
3
3Y
9
3A
11
CECBIN
CEC
CECBOUT 2
1
4
MUTING
IC2804
BINARY
COUNTER
IC2007
3
3
61
RXIN4 ARC 
6PDIF
60
47
46
HDMI
BCECIN
HDMI
BCECOUT
D6PBMI6O
D6PBMO6I
D6PB6PICLK
6EL
NPCM
ERROR
INT
F6
RA
TE
60
6O
61
FLA
6H
BCLK
62
UAR
TB6
EL
59
6I
38
39
40
UARTBOUT 49
UARTBIN 50
6CK
6I
6O
173 RE6ET
Y0
Y1
Y2
A2
A1
A0
B0
CK
D
Q
6IGNAL 6ELECTOR
IC2805
MUTE
6:ITCH
Q2706
1
6ELECT
24
KM3
STR-KM2/KM3
STR-KM2/KM3
14
14
5-3.  BLOCK  DIAGRAM  – HDMI Section –
125 R1X2+
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
SCL (5V)
SDA (5V)
HOT PLUG DET
CEC
+5V POWER
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
SCL (5V)
SDA (5V)
HOT PLUG DET
CEC
+5V POWER
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
SCL (5V)
SDA (5V)
HOT PLUG DET
CEC
+5V POWER
R1X2-
R1X1+
R1X1-
Q0
I
Q35
D0
I
D35
R1X0+
R1X0-
R1XC+
R1XC-
DSCL1
124
123
122
121
120
119
118
35
134 R2X2+
R2X2-
R2X1+
R2X1-
R2X0+
R2X0-
R2XC+
R2XC-
133
132
131
130
129
128
127
DSCL2
DSDA2
39
40
HPD2
R3X2+
R3X2-
R3X1+
R3X1-
R3X0+
R3X0-
R3XC+
R3XC-
DSCL3
DSDA3
HPD3
38
TX2+
TX2-
TX1+
TX1-
TX0+
TX0-
TXC+
TXC-
DSCL
DSDA
HPD
40
39
37
36
34
33
31
30
46
47
51
DSDA1
HPD1
36
34
DE
73
VSYNC 74
73
HSYNC 75
SCK/DCLK 100
WS/DR0 99
SD0/DL0 101
SD1/DR1 102
SD2/DL1 103
SD3/DR2 104
SPDIF/DL2 106
1
DE
VSYNC
HSYNC
DL2
48 CSCL
CSDA
49
21
MCLK
5
DR2
20
DL1
19
DR1
18
DL0
17
DCLK
15
DR0
16
R1PWR5V
33
R2PWER5V
37
R3PWR5V
41
IC3500
HDMI RECEIVER
IC3501
HDMI TRANSMITTER (1/2)
23
24
IC3501
HDMI TRANSMITTER
(2/2)
CSDA
CSCL
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
SCL (5V)
SDA (5V)
HOT PLUG DET
CEC
+5V POWER
8
2
+4V REG
IC1500
1
8
+1.83V
REG
IC3530
+1.8V
1
6
+3.3V
REG
IC3532
+3.3V
+5V
+13V
143
142
141
140
139
138
137
136
43
44
42
96-88,
85-77,
70-62,
59-51
98-90,
86-77,
75-67,
63-56
4
5
XTALOUT
XTALIN
X3501
27MHz
1
4
5
IC3533
+5V REG
2
8
IC1600
+6 REG
+5V
+13V
+5V
5
4
IC3509
+5V REG
CN3512
DIGITAL
SECTION
(Page 14)
7
8
9
10
11
12
13
15
1
18
A6
7
A7
8
A2
3
A3
4
A4
5
A5
6
A8
9
A1
Y1
Y8
2
IC3507
BUFFER
18
17
16
15
14
13
12
11
3
1
2
DCCPWR5V
45
D3529
1
8
+1.2V
REG
IC3531
+1.2V
D3515
CN3503
4
6
1
3
7
9
10
12
15
16
19
13
18
CN3502
4
6
1
3
7
9
10
12
15
16
19
13
18
CN3500
4
6
1
3
7
9
10
12
15
16
19
13
18
TV OUT
ARC
CN3501
4
6
1
3
7
9
10
12
15
16
19
13
18
HDMI
SAT/CATV
IN
GAME
IN
BD/DVD
IN
WS
10
SCK
11
SD0
9
SD1
8
SD2
7
SD3
6
SPDIF
4
‡ SLJQDO SDWK
:  DVD (DIGITAL)
:  VIDEO
D
KM3
STR-KM2/KM3
STR-KM2/KM3
15
15
5-4.  BLOCK  DIAGRAM  – KEY/DISPLAY/USB Section –
92
FL DISPLAY DRIVER
IC100
14
I
29
‡
31
93
99
100
5
6
30
12
11
51
53
54
X1(X_OUT)
X0(X_IN)
E2P_SDA
E2P_SCL
POWER_KEY
MD2
MD0
RST
SDA
SCL
EEPROM
IC2106
SIRCS
22
FL_DATA
7 DIN
21
FL_LAT
9 STB
23
FL_CLK
8 CLK
GRID1
I
GRID11
SEG1
I
SEG17
VOL_JOG
 INPUT_JOG
AD_KEY_2
AD_KEY_1
31
2
REMOTE
CONTROL
SIGNAL
RECEIVER
IC102
OUT
SIRCS
+6.3V DCDC
SYSTEM
CONTROL
IC2105 (3/4)
MD2
MD0
RESET
61
60
FLASH_CLK
SO
59 SI
CLK
SO
SI
4
1
2
34
36
RESET SWITCH
IC2019
DSP
IC2801 (2/2)
42
I
32
30
VEE
1
SW1
2
SW2
3
SW3
OUT
IN
IN
Q2006
1
37
VOUT
USB_OVC
EXCEPT SAF, AR
REGISTOR CONTROL
IC4102
62
RXIN2 USB SPDIF
DIGITAL AUDIO
INTERFACE RECEIVER
IC2806 (2/2)
6
4
Vout
1
Vin
FAULT
USB POWER SWITCH
IC4101
1
2
OUT
VDD
RESET SIGNAL
GENERATOR
IC2020
4
1
OUT_Y
Gate
2 In
MAIN RESET SWITCH
IC2033
DATA PROCESSOR
IC4100
44
MD
47
RESET_MAIN
SPDIF
33
USB-DM
34
40
53
41
USB-DP
XIN-PLL
IRPTO,
KEY-ROW1/MCHNG,
KEY-ROW3/SCL,
KEY-ROW4/SDA
USB_IPOD_REQ,
USB_MCHNG,
USB_SDA,
USB_SCL
XOUT-PLL
13,12,10,8
39,48 - 50
IC4161
+3.3V
REG
+3.3V
+3.3V
STBY
+6.3V
DCDC
IC101
+3.3V
REG
+3.3V
CN4101
4
X2101
4MHz
X4102
16.9344MHz
CN2509
8
9
3
4
5
6
S100
_/1
SW NETWORK 
S103-105
SW NETWORK 
S101-102
T100
DC CONVERTER
TRANSFORMER
Q100
SWITCHING
TRANSISTOR
D120
D121
RV101
MASTER
VOLUME
2
3
RV100
INPUT
SELECTOR
2
3
ND100
VACUUM
FLUORESCENT
DISPLAY
D122
D123
SWITCHING
DIODE
INPUT LED
Q101
D100, D102 - D103,
D105, D107, D109
VOLUME LED
Q102
D139, D141 - D142,
D144, D146 - D147
BAR LED
Q103
D130, D132 - D133,
D135, D136, D138
FLASH
PROGRAMMING
D2019
3
4
2
D-
Vbus
D+
DATA
SWITCH
VD4170-
VD4171
D4107
E
ET4100
‡$EEUHYLDWLRQ
 SAF  : 6RXWK$IULFDQPRGHO
 AR  : $UJHQWLQDPRGHO
STR-KM2/KM3
STR-KM2/KM3
16
16
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