Sony STR-KM2 / STR-KM3 Service Manual ▷ View online
STR-KM2/KM3
STR-KM2/KM3
21
21
5-8. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (1/4) –
• See page 45 for IC Block Diagrams. • See page 52 for IC Pin Function Descriptions.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL AUDIO BOARD (1/4)
4
1
2
3
3
6
7
8
9
10
11
9
10
11
1.1
0
3.3
3.3
0
1.1
1.7
1.7
3.3
1.1
1.1
1.1
0
0
1.1
1.1
3.3
3.3
0.6
3.3
3.3
1.1
1.1
3.3
2.4
3.3
1.1
1.1
1.1
3.3
1.7
0
1.7
1.1
3.3
1.1
1.7
1.7
1.1 3.3 3.3 1.1 1.1
0 1.1 1.7 1.7 1.7 1.7 0.6 1.1 1.1
0
0 3.3 1.1 1.1 3.3 1.1
0 3.3
1.1
3.3
1.1
1.1
0
3.3
0
3.3
1.1
0.4
0
3.3
3.3
3.3
1.1
3.3
0
1.1
3.3
1.1
3.3 1.1
1.1
0
VDD_EXT
NC
RESET_MAIN
VDD_INT
UART_OUT
UART_IN
LED
NC
NC
NC
NC
NC
VDD_EXT
NC
NC
NC
NC
VDD_INT
NC
NC
VDD_INT
NC
NC
VDD_INT
NC
WDTRSTO
NC
VDD_EXT
SL/SR_OUT
SL/SR_IN
BCLK_IN
OPTION_L/OPTION_R_OUT
FRONTHI_L/R_OUT
VDD_INT
NC
NC
NC
NC
NC
VDD_EXT
VDD_INT
L/R_OUT
MID/SW2_OUT
NC
RESET_MAIN
VDD_INT
UART_OUT
UART_IN
LED
NC
NC
NC
NC
NC
VDD_EXT
NC
NC
NC
NC
VDD_INT
NC
NC
VDD_INT
NC
NC
VDD_INT
NC
WDTRSTO
NC
VDD_EXT
SL/SR_OUT
SL/SR_IN
BCLK_IN
OPTION_L/OPTION_R_OUT
FRONTHI_L/R_OUT
VDD_INT
NC
NC
NC
NC
NC
VDD_EXT
VDD_INT
L/R_OUT
MID/SW2_OUT
SBL/SBR_OUT
JL2809
JL2814
JL2812
JL2808
JL281
1
10k
R2866
10k
R2867
2.2k
R2868
10k
R2895
10k
R2899
10k
R2861
10k
R2910
10k
R2807
100
R2858
100
R2857
22
R2837
22
R2802
22
R2839
22
R2840
22
R2842
22
R2872
22
R2825
22
R2826
22
R2852
22
R2851
22
R2850
330
R2849
22
R2844
22
R2846
22
R2843
22
R2838
220
R2841
22
R2809
R2876
1k
4.7k
R2053
4.7k
R2853
100k
R2875
1M
R2856
C2816
C2817
0.1
C2818
0.1
C2819
0.1
C2820
0.1
C2821
0.1
C2822
0.1
C2823
0.1
C2824
0.1
C2825
0.1
0.1
0.1
C2838
0.1
C2844
0.1
C2828
0.1
C2830
0.1
C2831
0.1
C2836
0.1
C2852
0.1
C2859
0.1
C2860
0.1
C2861
0.1
C2862
0.1
C2863
0.1
C2856
0.1
C2864
0.1
C2857
0.1
C2858
0.1
C2854
0.1
C2853
0.1
C2851
0.1
C2850
0.1
C2849
0.1
C2847
0.1
C2846
0.1
C2845
0.1
C2840
0.1
C2837
0.1
C2835
0.1
C2832
0.1
C2829
0.1
C2827
0.1
C2826
7p
C2842
7p
C2841
FB2608
25MHz
X2800
1
2
0.1
C2914
1000p
C2198
10k
R2283
R2943
1k
220
R2829
220
R2831
220
R2824
330
R2847
R2834
10k
R2835
10k
C2855
10
10
C2910
S-80929CNMC-G8ZT2G
IC2034
1 OUT
2 VDD
3 VSS
2 VDD
3 VSS
4
NC
5
CD
ADSST-AVR-3025
IC2801
1
SDDQM
2
MS0
3
SDCKE
4
VDD_INT
5
CLK_CFG1
6
ADDR0
7
BOOT_CFG0
8
VDD_EXT
9
ADDR1
10
ADDR2
11
ADDR3
12
ADDR4
13
ADDR5
14
BOOT_CFG1
15
GND
16
ADDR6
17
ADDR7
18
NC
19
NC
20
ADDR8
21
ADDR9
22
CLK_CFG0
23
VDD_INT
24
CLKIN
25
XT
AL2
26
ADDR10
27
SDA10
28
VDD_EXT
29
VDD_INT
30
ADDR1
1
31
ADDR12
32
ADDR17
33
ADDR13
34
VDD_INT
35
ADDR18
36
RESET
OUT/RUNRSTIN
37
VDD_INT
38
MOSI
39
MISO
40
SPICLK
41
VDD_INT
42
DPI_P05
43
DSP_CS
44
MD
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
ZONE_L/R
90
VDD_INT
91
VDD_EXT
92
MCLK_IN
93
VDD_INT
94
C/SW1_OUT
95
C/SW_IN
96
A/D_2CH
97
LRCLK_IN
98
BCLK_OUT
99
LRCLK_OUT
100
L/R_IN
101
SBL/SBR_IN
102
VDD_INT
103
DIR_IN
104
VDD_EXT
105
VDD_INT
106
BOOT_CFG2
107
VDD_INT
108
AMI_ACK
109
GND
110
THD_M
111
THD_P
112
VDD_EXT
113
VDD_INT
114
VDD_INT
115
MS1
116
VDD_INT
117
WDT_CLKO
118
WDT_CLKIN
119
VDD_EXT
120
ADDR23
121
ADDR22
122
ADDR21
123
VDD_INT
124
ADDR20
125
ADDR19
126
VDDEXT
127
ADDR16
128
ADDR15
129
VDD_INT
130
ADDR14
131
AMI_WR
132
AMI_RD
133
VDD_INT
134
IRQ/GPIO
135
FLAG1
136
FLAG2
137
MLBCLK
138
FLAG3
139
MLBDAT
140
MLBDO
141
VDD_EXT
142
MLBSIG
143
VDD_INT
144
TRST
145
MLBSO
146
EMU
147
DATA0
148
DATA1
149
DATA2
150
DATA3
151
TDO
152
DATA4
153
VDD_EXT
154
DATA5
155
DATA6
156
VDD_INT
157
DATA7
158
TDI
159
SDCLK
160
VDD_EXT
161
DATA8
162
DATA9
163
DATA10
164
TCK
165
DATA11
166
DATA12
167
DATA14
168
DATA13
169
VDD_INT
170
DATA15
171
SDWE
172
SDRAS
173
RESET
174
TMS
175
SDCAS
176
VDD_INT
GND
220
R2854
DSP_SPICLK
TCK
SBL/SBR_OUT
TRST
L/R_OUT
SBL/SBR_IN
DSP_NONAU
LRCLK_OUT
C/SW_IN
BCLK_OUT
C/SW1_OUT
DSP_ERROR
LRCLK_IN
MCLK_IN
DSP_INT
BCLK_IN
SL/SR_IN
SL/SR_OUT
SI
RESET_MAIN
UART_IN
DSP_MISO
DSP_MOSI
DSP_CS
MD
DIR_NI
DSP_RST
DIR_RST
DSP+3.3V
1k
RB2103
JL2830
JL2831
JL2832
JL2833
JL2834
JL2835
JL2836
JL2837
JL2838
JL2839
JL2840
JL2842
JL2843
JL2844
JL2845
JL2846
JL2847
JL2848
R2626
100
CL2213
CL2214
CL2214
100
R2983
2.2k
R2618
680
FB2032
1000p
C2609
1000p
C2619
FB2031
470
R2617
47
R2725
47
R2726
330
R2727
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
11
12
13
14
15
16
17
18
19
20
21
CN2508
21P
HDMI_PCONT
TX_INT
RX_INT
TX_5V_PWR
ARC_SPDIF
GND
MCK
GND
MCK
GND
BCK
LRCK
SD3
SD2
SD1
SD0
SD2
SD1
SD0
HDMI_SPDIF
MUTE
TX_RST
HDMI_SCL
HDMI_SDA
RX_RST
CEC
560
R2615
DZ2J04300L
D2729
CEC
FLGND
HDMI_SPDIF
LRCK
ARC_SPDIF
MCK
BCK
SD0
SD1
SD2
SD3
HDMI_SDA
HDMI_SCL
HDMI_TX_RESET
HDMI_TX5V
HDMI_RX_INT
HDMI_TX_INT
HDMI_PCONT
HDMI_RX_RESET
A2001
(CHASSIS)
DSP
IC2801
RESET SIGNAL GENERATOR
IC2034
1
DIGITAL AUDIO
BOARD
(2/4)
(Page 22)
2
DIGITAL AUDIO
BOARD
(3/4)
(Page 23)
3
DIGITAL AUDIO
BOARD
(2/4), (3/4)
(Page 22),
(Page 22),
(Page 23)
4
DIGITAL AUDIO
BOARD
(2/4)
(Page 22)
5
DIGITAL AUDIO
BOARD
(3/4)
(Page 23)
HDMI RE
BOARD
(2/2)
CN3512
(Page 33)
A
IC B/D
KM3
STR-KM2/KM3
STR-KM2/KM3
22
22
5-9. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (2/4) –
• See page 18 for Waveforms. • See page 45 for IC Block Diagrams. • See page 52 for IC Pin Function Descriptions.
Ver. 1.2
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL AUDIO BOARD (2/4)
V_SEL1
V_MUTE
COMPO_SW2
V_SEL2
FAN_BLK
4
5
1
6
7
12
13
14
15
18
17
16
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
6.3
3.3
3.3
3.3
3.3
3.3
0.6
3.3
3.3
3.3
3.3
3.3
0
0
3.3
0
0
3.3 3.3 3
3.3 3.3 3.3 0
0
0
3.3
3.3 0
3.3 0
0
3.3 3.3 3.1 1.4 2.8 3.3 3.3 3.3 3.3 0.2
3.3
3.3
0
3.3
0
3.3
3.3
3.3
0
0
3.3
3.3
3.3
3.3
3.3
3.3
1.4
0
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
0
2.8
0
0
0
3.3
3.3
0
0
3.3
1.7
2.6
3.3
0
1.7
0
0
3.3
0
3.3 3.3
0
0
0 3.3 3.3
0
0
0 3.3 3.3
3.3
2 3.3 3.3 3.3 3.3
0 3.3 1.6
0 0.7 0.7
0
0 1.7
4MHz
X2101
100
RB2102
1
2
3
4
5
6
7
8
9
9P
CN2509
DGND
3.3V
RESET
CLK
SO
SI
PROG
MD2
MD0
0.1
C21
12
0uH
FB2311
0uH
FB2101
0.47
C2021
VCC
GND
OUT
BA33BC0FP-E2
IC2107
CL2007
CL2005
CL2004
CL2003
CL2001
CL2006
CL2002
CL2010
CL2009
CL2005
CL2004
CL2003
CL2001
CL2006
CL2002
CL2010
CL2009
CL2053
CL2031
CL2027
CL2024
CL2059
CL2040
CL2049
CL2041
CL2051
CL2058
CL2025
CL2056
CL2210
CL2212
0.1
C2459
100
RB2109
6P
CN2506
JL2818
JL2820
JL2817
JL2815
JL2816
JL2816
1
2
3
4
5
6
2
3
4
5
6
GND
+3.3V
XRESET
SO
SI
SCK
JL2819
10k
R2131
10k
R2865
10k
R2898
10k
R2228
10k
R2002
10k
R2915
R2897
10k
R2879
10k
10k
R2132
10k
R2130
10k
R2001
100
RB2104
100
RB2107
10k
R2321
CL2061
CL2055
CL2050
CL2050
10k
R2906
10k
R2157
22
R2882
22
R2878
22
R2880
22
R2863
22
R2864
R2220
100
R2622
100
470
R2285
1.5k
R2100
1M
R2007
0.1
C2127
0.1
C2418
0.1
C2865
0.1
C2413
0.1
C2416
0.1
C2469
0.1
C2722
0.1
C2402
0.1
C2101
0.1
C2130
0.1
C21
19
470 16V
C2022
16V
47
C2131
DA2J10100L
D2019
1SR154-400TE-25
D2714
0uH
FB2889
100
R2919
100
R2619
100
R2607
220 4V
C2905
100k
R2392
470
R2006
0.1
C2203
TC7SH126FU
IC2033
10k
R2249
0.1
C2465
4.7
C2126
100p
C2128
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74VHC157FT (EKJ)
IC2032
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
74AHC1G08GW-125
IC2019
100
RB21
19
100
RB2105
MB90F058PF-G-NNE1
IC2105
1
PROTECT
OR
2
HDMI_MUTE
3
IO_EX_CLK
4
TUNER_CE
5
TUNER_I2C/RDSI
6
TUNER_DA
7
TUNER_CLK
8
IO_EX_LA
T
9
IO_EX_DA
TA
10
IO_EX_OE
11
POWER_KEY
12
SIRCS
13
NO_USE
14
NO_USE
15
VCC_3.3V
16
VSS_GND
17
C
18
DSP_MISO
19
DSP_MOSI
20
DSP_SPICLK
21
FL_LA
T
22
FL_DA
TA
23
FL_CLK
24
VERSION
25
FAN_CTRL
26
TEMP_SENSOR_1
27
TEMP_SENSOR_2
28
LIMITER
29
VACS_CTRL
30
VOL_JOG
31
INPUT_JOG
32
AVCC_3.3V
33
AVRH
34
AD_KEY_1
35
AVSS
36
AD_KEY_2
37
USB_OVC
38
USB_RESET
39
USB_IPOD_REQ
40
USB_BUSY
41
HDMI_TX5V-POW
42
TX_RESET
43
RX_RESET
44
VSS_GND
45
PCONT_HDMI
46
HDMI_CECOUT
47
HDMI_CECIN
48
USB_MCHNG
49
USB_SDA
50
USB_SCL
51
MD2
52
MD1
53
MD0
54
RST
55
HDMI_TX_INT
56
HDMI_SDA
57
HDMI_SCL
58
HDMI_RX_INT
59
SI
60
SO
61
FLASH_CLK
62
UAR
T_SEL
63
DSP_SPICS
64
DSP_SFLASH_HOLD
65
DVCC
66
DVSS
67
DSP_RST
68
DSP_INT
69
DSP_SEL
70
DSP_NPCM
71
DSP_ERROR
72
DIR_INT
73
POWER_R
Y
74
DIR_SIGNAL
75
DIR_RST
76
DIR_CE
77
PROG
78
PROG/ DIR_MISO
79
DIR_XST
ATE
80
ST
OP
81 FAN_BLK
82 FUSE_DET
83 COMPO_SW2
84 V_MUTE
85 V_SEL1
86 V_SEL2
87 HDMI_NON_LPCM
88 COM_CLK
89 COM_DATA
90 VCC_3.3V
91 VSS_GND
92 X1(X_OUT)
93 X0(X_IN)
94 DAC_LAT
95 DAC MUTE
96 FSRATE
97 EVOL_CLK
98 EVOL_DATA
99
82 FUSE_DET
83 COMPO_SW2
84 V_MUTE
85 V_SEL1
86 V_SEL2
87 HDMI_NON_LPCM
88 COM_CLK
89 COM_DATA
90 VCC_3.3V
91 VSS_GND
92 X1(X_OUT)
93 X0(X_IN)
94 DAC_LAT
95 DAC MUTE
96 FSRATE
97 EVOL_CLK
98 EVOL_DATA
99
E2P_SDA
100
E2P_SCL
10k
R2939
2.2k
R2881
R2951
1k
R2952
1k
2SC3052EF-T1-LEF
DATA SWITCH
Q2006
470
R2914
R2251
470
R21
16
1M
R2322
1M
0.1
C2917
0.1
C2912
0.1
C2909
0.1
C2978
1000p
C2125
4.7
C2884
0.1
C2918
RT8H365C-T122-2
IC2811
1
CEC_IN
2
CEC_OUT
3
VDD
4 CEC
5 GND
6
0
R2746
R2929
100
R2930
100
R2124
100
0.1
C2913
0.1
C2121
0.1
C2973
0.1
C2974
0.1
C2417
0.1
C2976
0.1
C2972
1000p
C2975
100
RB2121
10k
R2621
CL2215
CL2216
CL2217
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN2504
OVC
REG_CTRL
RESET
IPOD_REQ
BUSY
MCHNG
SCL
SDA
DGND
USB_SPDIF
DGND
+6.3V
+6.3V
100
RB2123
100
RB2124
10k
R2932
100
RB2125
100
RB2126
10k
R2993
10k
R2989
10k
R2992
10k
R2324
10k
R2052
0.1
C2206
10k
R2015
1000p
C2466
100
RB2127
R21
12
10k
R2994
2.2k
R2995
2.2k
10
C2023
10
C2866
10
C2906
0.1
C2908
R2129
100
CL2219
S-80929CNMC-G8ZT2G
IC2020
IC2802
W25Q80BVSSIG
1 CE#
2 SO
3 WP#
4 Vss
5
SI
6
SCK
7
HOLD#
8
Vdd
0
R2980
0
R2996
47
R2997
47
R2998
47
R2999
1.8k
R2859
10k
R2933
10k
R2158
100
R2984
100
R2985
100
R2986
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
11
12
13
14
15
15P
CN2503
FL_DIN
FL_CLK
FL_LAT
FLGND
+6.3V DCDC
DGND
+6.3V DCDC
DGND
+3.3V STBY
SIRCS
PW_SW
AD1
AD2
INPUT_JOG
VOL_JOG
FL_CLK
FL_LAT
FLGND
+6.3V DCDC
DGND
+6.3V DCDC
DGND
+3.3V STBY
SIRCS
PW_SW
AD1
AD2
INPUT_JOG
VOL_JOG
4.7
C2883
RB751V-40TE-17
D2730
27k
R2730
10k
R2620
MD0
MD2
MD2
SI
SO
FLASH_CLK
RESET
MD2
HDMI_RX_RESET
FLASH_CLK
SI
DIR_SIGNAL
DSP_MOSI
DSP_SPICLK
DSP_SFLASH_HOLD
DSP_CS
DSP_MISO
E2P_SDA
DSP_SFLASH_HOLD
DSP_UART_SEL
CEC_IN
E2P_SCL
COM_DATA
COM_CLK
DIR_INT
DIR_MISO
DIR_MISO
DIR_MISO
DSP_ERROR
DSP_INT
DSP_RST
DSP_NONAU
POWER_RY
DSP_CS
DSP_UAR
T_SEL
DSP_SEL
STOP
FL_DA
TA
CEC_IN
CEC_OUT
DAC_LAT
DAC_MUTE
DAC_MUTE
DSP_MISO
DSP_SPICLK
FAN_CTRL
VERSION
DSP_MOSI
MD0
FL_DATA
FL_CLK
FL_LAT
FL_CLK
FL_LAT
FLGND
VOLUME
LIMITER
TEMP_SENSOR_2
TEMP_SENSOR_1
FL_LA
T
FL_CLK
SIRC
AD_KEY1
INPUT
HDMI_TX_RESET
HDMI_TX5V
CEC_OUT
CEC
RESET_MAIN
MD
CL2092
CL2097
CL2083
CL2083
CL2093
CL2088
CL2088
CL2091
CL2085
CL2085
CL2098
CL2080
CL2080
CL2086
CL2095
1
2
3
4
5
6
7
8
9
10
11
12
CN2103
12P
FAN_CTRL
VERSION
+3.3V STBY
STBY_SUPPLY
POWER_RY
STOP
FAN_BLK
V_SEL2
V_SEL1
V_MUTE
COMPO_SW2
FAN_CTRL
VERSION
POWER_RY
STOP
RESET
USB_SPDIF
INPUT
AD_KEY1
AD_KEY2
AD_KEY2
HDMI_NLPCM
SIRC
POWER_DET
POWER_DET
SO
DIR_CE
DIR_RST
VOLUME
FUSE_DET
HDMI_SDA
FSRATE
PROTECT
OR
TUNER_CE
IO_EX_CLK
TUNER_I2C/RDSI
AD_KEY2
VACS_CTRL
HDMI_MUTE
TUNER_SCL
IO_EX_LA
T
IO_EX_OE
IO_EX_DA
TA
TUNER_SDA
POWER_DET
SO
UART_IN
HDMI_RX_INT
HDMI_SCL
HDMI_TX_INT
DIR_XST
ATE
HDMI_PCONT
EVOL_CLK
EVOL_DATA
1 OUT
2 VDD
3 VSS
2 VDD
3 VSS
4
NC
5
CD
1 IN
2 IN
3 GND
2 IN
3 GND
4
OUT
5
VCC
1 Gate
2 In
3 GND
2 In
3 GND
4
OUT_Y
5
Vcc
RESET SWITCH
IC B/D
IC B/D
IC2019
MAIN RESET
SWITCH
IC B/D
IC2033
SIGNAL SELECTOR
IC B/D
IC2032
EEPROM
IC2802
+3.3V REG
IC2107
SYSTEM CONTROL
IC2105
CEC SWTICH
IC2811
RESET SIGNAL
GENERATOR
IC2020
1
DIGITAL
AUDIO
BOARD
(1/4)
(Page 21)
3
DIGITAL AUDIO
BOARD
(1/4), (3/4)
(Page 21),
(Page 21),
(Page 23)
4
DIGITAL AUDIO
BOARD
(1/4)
(Page 21)
6
DIGITAL AUDIO BOARD (4/4)
(Page 24)
7
DIGITAL AUDIO BOARD (4/4)
(Page 24)
FLASH
PROGRAMMING
FLASH
PROGRAMMING
POWER
AVIDEO
AVIDEO
BOARD
CN271
(Page 35)
B
USB
BOARD
CN4100
CN4100
(Page 42)
D
LED BAR
BOARD
CN104
(Page 40)
C
V_SEL1
V_SEL2
V_SEL2
COMPO_SW2
V_MUTE
V_MUTE
FAN_BLK
1
EXCEPT SAR, AR
Note: IC2811 on the DIGITAL AUDIO board cannot exchange with
single. When this part on the DIGITAL AUDIO board is
damaged, exchange the entire mounted board.
damaged, exchange the entire mounted board.
STR-KM2/KM3
STR-KM2/KM3
23
23
5-10. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (3/4) –
• See page 18 for Waveforms. • See page 45 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL AUDIO BOARD (3/4)
22
23
24
25
23
24
25
2
3
8
9
11
10
26
28
27
29
30
30
20
19
21
4
5
3.3
1.2
1.2
2.5
2.9
3.3
1.7
1.7
1.7
3.3
3.3
3.3
3.3
0
3.3
0
0
3.3
3.3
0
3.3
0
2.8
0
3.3
0
1.4
3.3
3.3
1.7
3.3
1.7
1.7
3.3
1.7
1.7
3.3
1.7
1.7
3.3
1.7
1.7
3.3
3.3
3.3
3.3
0
3.3
0
0
3.3 3.3 3
3.3
3.3 0
3.3 0
0
2.8
0
0
3.3
3.3
0
0
3.3
3.3
3.3
3.3
0
0
3.3
3.3
3.3
3.3 3.3
0
0
0 3.3
3.3
3.3
0
0 3.3 3.3
0.1
C2361
0.1
C2358
C2359
VCC
OUT
GND
VCC
OUT
GND
JSR1124
IC2351
JSR1124
IC2352
1P
J2301
TC74VHC157FT (EKJ)
IC2804
1 SEL
2 A0
3 B0
4 Y0
5 A1
6 B1
7 Y1
GND
8
9
Y2
10
B2
11
A2
12
Y3
13
B3
14
A3
15
ST
16
VCC
10k
R2125
R2099
10k
100
R2059
100
R2351
100
R2354
100
R2759
470
R2356
47k
R2357
R2358
470k
0.01
C2069
0.1
C2881
FB2884
220ohm
FB2885
220ohm
JL2868
JL2869
JL2870
JL2869
JL2870
JL2871
JL2872
DA2J10100L
D2717
0uH
FB2891
6.3V
22
C2355
47
R2925
10k
R2109
0.1
C2070
100
R2912
0uH
FB2892
RT1N141C-TP-1
Q2706
MUTE SWITCH
220 4V
C2869
220 4V
C2872
100 16V
100
R2957
100
R2958
100
R2959
1SS367-T3SONY
D2715
R221
1
10k
0.1
C2273
0.1
C2274
R2947
0
47k
R231
1
0
R2416
1M
R2005
0.1
C2272
0.1
C2270
0.1
C2923
R2945
0
C2815
7p
C2814
7p
0.1
C2920
R2104
1k
DA2J10100L
D2104
0
R2417
0.1
C2921
0
R2415
16V
100
C2266
16V
100
C2265
0
R2948
1SS367-T3SONY
D2716
10k
R2940
FB2604
10k
R
2111
1000p
C2268
0.1
C2922
100
16V
C2267
10k
R2901
0
R2949
470p
C2093
330
R2602
24.576MHz
X2801
C2958
0.1
1k
R2728
1k
R2729
TC7WHU04FK
IC2303
IN1
OUT3
IN2
GND
OUT2
IN3
OUT1
VCC
DA2J10100L
D2725
DA2J10100L
D2724
0.1
C2977
100
R2987
0.1
C2468
10
C2074
0.1
C2072
10
C2370
0.1
C2351
0.1
C2354
10
C2470
0.068
C2269
IC2009
TC7WH74FK
1 CK
2 D
3 Q
4 GND
5
Q
6
CLR
7
PR
8
VCC
LC89075W-H
IC2806
1
LPF
2
PGND
3
HDMI MCK
MCKIN
4
HDMI BCK
BCKIN
5
HDMI LRCK
LRCKIN
6
SD0 DA
TAIN
7
SD1 MPIN1
8
SD2 MPIN2
9
SD3 MPIN3
10
GND MPIN4
11
GND MPIN5
12
GND MPIN6
13
DSP
MCK
MCKOUT
14
DSP
BCK
BCKOUT
15
DSP
LRCKLRCKOUT
16
DSP
DOUTDA
TAOUT
17 DGND
18 DVDD
19
20
21
18 DVDD
19
20
21
MPOUT1 DSP
SID
MPOUT2 DSP
SIE
MPOUT3 DSP
SIF
22 MPOUT4
23 ERRF ERROR
24 MUTEB XSTATE
25 NPCMF NPCM
26 MPIO1
27 MPIO2
28 MPIO3
29 MPIO4
30 XMCK
31 XOUT
32 XIN
23 ERRF ERROR
24 MUTEB XSTATE
25 NPCMF NPCM
26 MPIO1
27 MPIO2
28 MPIO3
29 MPIO4
30 XMCK
31 XOUT
32 XIN
33
DGND
34
DVDD
35
XMODE RESET
36
CSB DIR_CE
37
SCK COM_CLK
38
SI COM_DA
TA
39
SO DIR_MISO
40
INTB DIR
INT
41
DST
ATE
42
DVDD
43
DGND
44
ADINR
45
ADINL
46
AV
DD
47
AGND
48
VREF VCOM
49
RXIN3A
50
RXIN2A
51
RXIN1A COAXIAL
52
DGND
53
RXOUT
54
DVDD
55
DGND
56
RXIN8
57
RXIN7
58
RXIN6 OPTICAL SAT/ CATV
59
RXIN5 OPTICAL GAME
60
RXIN4 ARC SPDIF
61
RXIN3 HDMI SPDIF
62
RXIN2 USB SPDIF
63
RXIN1 COAXIAL
64
PVDD
R2815
1M
R2816
220
2.7kohm
FB2603
470
R2601
TC74VHC08FT (EKJ)
IC2805
1 A0
2 B0
3 Y0
4 A1
5 B1
6 Y1
7 GND
8
Y2
9
B2
10
A2
11
Y3
12
B3
13
A3
14
VCC
1 CKA
2 RDA
3 Q1A
4 Q2A
5 Q3A
6 Q4A
7 GND
8
Q4B
9
Q3B
10
Q2B
11
Q1B
12
RDB
13
CKB
14
VCC
C2868
10
0.1
C2870
C2871
10
75
R2855
100
R2050
680
R2610
2.7kohm
FB2801
FB2033
TC74VHC393FT (ELK)
IC2007
HDMI_NLPCM
DSP_ERROR
ERROR
DSP_SEL
L/R_OUT
DIN3
100
R2960
DIN2
C/SW1_OUT
SBL/SBR_OUT
SL/SR_OUT
DIR_CE
DIN4
DIN1
DIR_XSTATE
DIR_MISO
MCLK_IN
DIR_XSTATE
NPCM
ERROR
NPCM
DSP_NONAU
DIR_SIGNAL
DIR_INT
DIR_RST
FSRA
TE
HDMI_MUTE
LRCLK_IN
USB_SPDIF
HDMI_SPDIF
ARC_SPDIF
SBL/SBR_IN
C/SW_IN
SL/SR_IN
MCK
BCK
LRCK
SD0
SD1
SD2
SD3
DIR_IN
BCLK_IN
4
8
1
5
2
6
3
7
BINARY COUNTER
IC B/D
IC2007
MUTING
IC B/D
IC2804
WAVE SHAPER
IC B/D
IC2303
SIGNAL SELECTOR
IC B/D
IC2805
DIGITAL AUDIO INTERFACE RECEIVER
IC2806
SCHMIT TRIGGER
IC2009
DIGITAL OPTICAL
RECEIVE
IC2351
DIGITAL OPTICAL
RECEIVE
IC2352
COAXIAL
BD/DVD IN
OPTICAL
SAT/CATV
IN
OPTICAL
GAME IN
GAME IN
DIGITAL
DIGITAL
2
DIGITAL AUDIO BOARD (1/4)
(Page 21)
3
DIGITAL
AUDIO
BOARD
(1/4), (2/4)
(Page 21),
(Page 21),
(Page 22)
10
DIGITAL
AUDIO
BOARD
(4/4)
(Page 24)
5
DIGITAL AUDIO BOARD (1/4)
(Page 21)
8
DIGITAL
AUDIO
BOARD
(4/4)
(Page 24)
9
DIGITAL
AUDIO
BOARD
(4/4)
(Page 24)
5
IC B/D
STR-KM2/KM3
STR-KM2/KM3
24
24
5-11. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (4/4) –
• See page 18 for Waveforms. • See page 45 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL AUDIO BOARD (4/4)
12
13
14
15
17
18
16
22
23
24
25
26
29
28
28
27
30
20
19
19
21
4
4
3.3
0.8
2.2
2.2
1.1
0.8
3.3
0
3.3
3.3
3.3
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
3.3
1.8
1.8
1.8
1.8
3.3
1.8
1.8
1.8
0
5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5
7
5
6.7
1.3
7
5
6.7
1.3
1SS367-T3SONY
D2004
1SS367-T3SONY
D2003
0uH
FB2502
0uH
FB2501
CL2030
CL2204
CL2203
CL2201
CL2200
0.1
C2502
10k
R2421
10k
R2058
1SS367-T3SONY
D2018
JL2021
JL2022
JL2821
JL2822
JL2823
JL2824
JL2825
JL2826
3.3k
R2159
0.1
C2140
0.1
C2875
0.1
C2424
0.1
C2011
C2003
0.1
C2971
0.01
22k
R2540
33k
R2541
1
2
3
4
2
3
4
CN2501
4P
+3.3V
DGND
TEMP_SENSOR_1
TEMP_SENSOR_2
DGND
TEMP_SENSOR_1
TEMP_SENSOR_2
0uH
FB2043
0.1
C2876
0uH
FB2890
TK11150CSCL-G
IC2421
1
ON/OFF
2
GND
3
NoiseBypass
4
VOUT
5
VIN
16V
100
C2013
16V
100
C2096
R2962
1k
R2963
1k
470 16V
C2503
1SS367-T3SONY
D2719
0uH
FB2893
TK11150CSCL-G
IC2812
1
ON/OFF
2
GND
3
Noise Bypass
4
Vout
5
Vi
n
R2733
10k
C2968
0.1
10k
R2735
10k
R2736
100p
C2969
16V
10
C2964
16V
10
C2966
0.1
C2965
100 10V
C2507
33
R2732
1SS367-T3SONY
D2720
1SS367-T3SONY
D2721
2.2k
RB2010
2.2k
R2327
100
R2979
CL2218
470
16V
C2877
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
WM8768GEDS/R
IC2123
MODE
MCK
BCK
LRCK
DVDD
DGND
DIN1
DIN2
DIN3
DIN4
M/LA
T
MC/CLK
MD/DA
TA
MUTE
TEST_REF
VREF_N
VREF_P
VMID
VO4L
VO4R
VO1L
VO1R
VO2L
VO2R
VO3L
VO3R
AGND
AV
D
D
1SR154-400TE-25
D2723
1SR154-400TE-25
D2722
10k
R2107
10k
R2105
C2961
0.1
0.1
C2248
0.1
C2962
0.1
C2963
10
C2512
0.1
C2504
C2501
10
10
C2970
10
C2901
22
C2114
C2873
10
1
C2421
C2967
1
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
8P
CN2502
+4V
+4V
DGND
DGND
DGND
DGND
+6.3V
+6.3V
+4V
DGND
DGND
DGND
DGND
+6.3V
+6.3V
BD00IC0WEFJ-E2
IC2010
BD00IC0WEFJ-E2
IC2813
1 VOUT
2 FB
3 GND
4 NC
2 FB
3 GND
4 NC
5
EN
6
NC
7
NC
8
VIN
9
GND
2.7kohm
FB2894
2.7kohm
FB2898
2.7kohm
FB2899
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
9P
CN2505
IISD
VDD
AUDIO L/LRCK
CE
AUDIO R/BCK
GND
DA
IIC/RDSI
CK
10k
R2941
10k
R2172
10k
R2886
22k
R2173
3.3k
R2860
680
R2889
100p
C2137
0.1
C2001
100p
C2136
74AHC595PW-118
IC2036
QB
2
1
QC
3
QD
4
QE
5
QF
6
QG
7
QH
8
GND
9
S_OUT
10
RESET
11
CLK
12
LA
T
13
OE
14
S_IN
15
16
QA
VCC
4.7
C2422
M24C64-WMN6T (C)
IC2106
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
2.5kohm
FB2896
FUSE_DET
BCLK/ROUT
BCLK_OUT
LRCLK_OUT
DIN4
DIN3
DIN2
DIN1
TUNER_SDA
COM_DA
TA
DAC_LA
T
COM_CLK
E2P_SCL
E2P_SDA
DAC_MUTE
CL2032
CL2017
CL2015
CL2022
CL2019
CL2016
CL2045
CL2028
CL2048
CL2012
CL2020
CL2018
JL2878
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
11
12
13
14
14P
CN2104
TUNER_L
TUNER_R
SBL_OUT
SBR_OUT
SL_OUT
SR_OUT
C_OUT
SW_OUT
FL_OUT
FR_OUT
MUTING
MUTING
AGND
AGND
AGND
BCLK/ROUT
LRCK/LOUT
TUNER_SCL
TUNER_CE
LRCK/LOUT
TUNER_I2C/RDSI
USB_REG_CTRL
CL2074
CL2073
CL2071
CL2072
CL2070
CL2067
CL2066
CL2069
CL2065
CL2064
CL2068
CL2082
DA2J10100L
D2110
MC2838-T112-1
D2302
MC2838-T112-1
D2303
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14P
CN2105
R_IN
L_IN
+7V
EVOL_CLK
EVOL_DATA
LIMITER
PROTECTOR
C-SLR_RY
BRIDGEABLE_RY
SBL-R_RY
FL-FR_RY
SW_RY
VACS_CTRL
EVOL_CLK
LIMITER
PROTECTOR
EVOL_DATA
VACS_CTRL
IO_EX_LAT
IO_EX_OE
IO_EX_CLK
TEMP_SENSOR_2
TEMP_SENSOR_1
IO_EX_DATA
1 VOUT
2 FB
3 GND
4 NC
2 FB
3 GND
4 NC
5
EN
6
NC
7
NC
8
VIN
9
GND
D/A CONVERTER
IC B/D
IC2123
VOLTAGE
DETECTION
IC B/D
IC2421
+5V REG
IC B/D
IC2812
+3.3V REG
IC2010
+1.1V REG
IC2813
EEPROM
IC2106
SHIFT REGISTER
IC2036
10
DIGITAL AUDIO
BOARD
(3/4)
(Page 23)
6
DIGITAL AUDIO BOARD (2/4)
(Page 22)
7
DIGITAL AUDIO BOARD (2/4)
(Page 22)
8
DIGITAL AUDIO
BOARD
(3/4)
(Page 23)
9
DIGITAL AUDIO
BOARD
(3/4)
(Page 23)
MAIN
BOARD
(3/4)
CN301
(Page 28)
F
MAIN
BOARD
(3/4)
CN300
(Page 28)
G
DCDC
BOARD
CN1503
CN1503
(Page 39)
I
THERMAL
BOARD
CN250
(Page 44)
H
TUNER1
BOARD
CN101
(Page 43)
E
2
3
4
Note: IC2036 on the DIGITAL AUDIO board cannot exchange with
single. When this part on the DIGITAL AUDIO board is
damaged, exchange the entire mounted board.
damaged, exchange the entire mounted board.
Ver. 1.2
Click on the first or last page to see other STR-KM2 / STR-KM3 service manuals if exist.