Schematic Diagram - Digital Audio Board (2/4) - Sony STR-KM2 Service Manual

STR-KM2/KM3
Ver. 1.2
5-9. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (2/4) –
1 2 3
DIGITAL AUDIO BOARD (2/4)
DIGITAL AUDIO
A
BOARD
3
(1/4), (3/4) 4
5
(Page 21),
(Page 23)
CN2509
9P
CL2007
MD0 9
CL2005
B MD2 8
CL2004
PROG 7
CL2003
SI 6
FLASH CL2001
SO 5
PROGRAMMING
CL2006
CLK 4
CL2002
RESET 3
CL2010
3.3V 2
CL2009
DGND 1
C DIGITAL
1
1
AUDIO
BOARD
(1/4)
IC2032
TC74VHC157FT (EKJ)
(Page 21)
IC2032
IC B/D
D 1 SELECT
SIGNAL SELECTOR 0
2 1A
3.3
3 1B
3.3
4 1Y
3.3
5 2A
R2157
10k
6 2B
E
7 2Y
C2905
8 GND
220 4V
DIGITAL AUDIO
6
BOARD
4
(1/4)
(Page 21)
7
F
IC2802
W25Q80BVSSIG
IC2802
R2863
G
22 EEPROM
1 CE# Vdd
R2864
3.3
22
2 SO HOLD#
3.3
3 WP# SCK
R2865 3.3
10k
4 Vss SI
R2898
H 10k
CN2506
6P
JL2815
GND
JL2816
+3.3V
JL2817
FLASH XRESET
JL2818
PROGRAMMING
SO
JL2819
SI
JL2820
SCK
I
CN2103
12P
CL2086
COMPO_SW2
CL2098
V_MUTE
B
CL2080
V_SEL1
CL2091
V_SEL2
CL2085
POWER
FAN_BLK
J
CL2093
STOP
AVIDEO
CL2088
POWER_RY
BOARD
CL2097
STBY_SUPPLY
CL2083
CN271
+3.3V STBY
CL2092
(Page 35) VERSION
CL2095
FAN_CTRL
K
STR-KM2/KM3
• See page 18 for Waveforms.
4 5 6 7
MD0
MD2
DIR_MISO
SI
SO
FLASH_CLK
C2022
RESET
470 16V
FB2101
0uH
3.3
CL2219
IC2107
OUT
BA33BC0FP-E2
GND
IC2107
VCC
+3.3V REG C2021
6.3 0.47
C2883
4.7
3.3
VCC 16
ST 15
4A 14
4B 13 STOP
4Y 12
3.3 SO
3A 11
R2621 10k C2121 0.1
3B 10 FAN_BLK
FUSE_DET
3.3 UART_IN
3Y 9
COMPO_SW2 RB2102
100
V_MUTE
V_SEL1
DSP_UART_SEL
V_SEL2
POWER_RY
HDMI_NLPCM RB2121
COM_CLK 100
COM_DATA
C2418
0.1 C2459 0.1
DSP_CS
DSP_MISO R2100
X2101 R2007
1.5k
4MHz 1M
DSP_SFLASH_HOLD
DAC_LAT
DSP_SPICLK DAC_MUTE RB2124
FSRATE 100
R2878 R2879 DSP_MOSI
22 10k
3.3 EVOL_CLK
8
EVOL_DATA
0 R2897
7
R2882 10k
E2P_SDA RB2123
22
3.3
E2P_SCL 100
6
3.3 R2880 22
5
R2881
2.2k
FB2889
0uH
COMPO_SW2
V_MUTE
V_SEL1
V_SEL2
FAN_BLK
STOP
POWER_RY
VERSION
FAN_CTRL
D2714
1SR154-400TE-25
12 13
6
DIGITAL AUDIO BOARD (4/4)
(Page 24)
• See page 45 for IC Block Diagrams. • See page 52 for IC Pin Function Descriptions.
8 9 10
C2131
47
16V
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
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56
81 FAN_BLK
0
82 FUSE_DET
2.8
83 COMPO_SW2
0
84 V_MUTE
0
85 V_SEL1
0
86 V_SEL2
3.3
87 HDMI_NON_LPCM
3.3
88 COM_CLK
0 IC2105
89 COM_DATA
MB90F058PF-G-NNE1
0
IC2105
90 VCC_3.3V
3.3
91 VSS_GND
SYSTEM CONTROL
1
92 X1(X_OUT)
1.7
93 X0(X_IN)
2.6
94 DAC_LAT
3.3
95 DAC MUTE
0
96 FSRATE
E2P_SDA
1.7
97 EVOL_CLK
E2P_SCL
0
98 EVOL_DATA
0
99
3.3
100
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
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
14 15
22 22
11 12 13 14
R2730 27k
R2746
0 3.3
4 CEC VDD
3
3.3
0
D2730
5 GND CEC_OUT 2
RB751V-40TE-17
3.3
CEC_IN
6 1
3.3
IC2033 R2392
TC7SH126FU 100k
3.3
IC2033
1 Gate Vcc 5
0.6 74AHC1G08GW-125
C2203 R2249
2 In
IC B/D
0.1 10k
3.3 3.3
3 GND OUT_Y 4 1 IN
MAIN RESET
3.3
2 IN
SWITCH
3.3
3 GND
C2128
R2006 470 100p
C2465
D2019
DA2J10100L C2126
Q2006
IC2020
2SC3052EF-T1-LEF
S-80929CNMC-G8ZT2G
DATA SWITCH
R2951
3.3 R2132
1k
0
10k 1 OUT
3.3
2 VDD
R2952
R2285 3.3
1k
3 VSS
470
C2127
0.1 C2469
55 54 53 52 51
3.3 R2929 100
USB_SCL 50
3.3 R2930 100
USB_SDA 49
R2993 10k
0
USB_MCHNG 48
C2973 0.1
3.3 CEC_IN
HDMI_CECIN 47
0 R2124 100 CEC_OUT
HDMI_CECOUT 46
PCONT_HDMI
45
VSS_GND 44
HDMI_RX_RESET
3.3
RX_RESET 43
RB2107
3.3 HDMI_TX_RESET
TX_RESET 42
3.3 100 HDMI_TX5V
HDMI_TX5V-POW 41
R2989 10k C2975 1000p
0
USB_BUSY 40
R2992 10k C2972 0.1
0
USB_IPOD_REQ 39
3.3 R2129 100
USB_RESET 38
C2976 0.1
3.3
USB_OVC 37
C2974 0.1 R2324 10k
3.3 AD_KEY2
AD_KEY_2 36
C2417 0.1
AVSS 35
3.3 R2220 100 AD_KEY1
AD_KEY_1 34
R2052 10k
3.3
AVRH 33
C2206 0.1
C2416 0.1
3.3
AVCC_3.3V 32
1.4 R2622 100 INPUT
31
R2015 10k
C2466 1000p
0 0 1.7
R2620
10k
HDMI_PCONT
R2321
10k
16 17
7
Note: IC2811 on the DIGITAL AUDIO board cannot exchange with
DIGITAL AUDIO BOARD (4/4)
single. When this part on the DIGITAL AUDIO board is
(Page 24)
damaged, exchange the entire mounted board.
15 16 17
IC2811
RT8H365C-T122-2
IC2811
CEC SWTICH
C2722
0.1
IC2019
IC B/D
3.3
VCC 5
IC2019
3.3 RESET SWITCH
OUT 4
0.1
4.7
IC B/D
0
CD 5
IC2020
NC 4
RESET SIGNAL
GENERATOR
0.1
EXCEPT SAR, AR
CN2504
13P
13 +6.3V
12 +6.3V
R2980 0
11 DGND
USB_SPDIF CL2217
D
10 USB_SPDIF
R2996 0
9 DGND
CL2216
8 SDA USB
CL2215
7 SCL
BOARD
CL2212
6 MCHNG
CL2031
CN4100
5 BUSY
CL2061
(Page 42)
4 IPOD_REQ
CL2051
3 RESET
CL2055
2 REG_CTRL
CL2050
1 OVC
CN2503
15P
FL_DATA
CL2041
1 FL_DIN
FL_CLK CL2049
2 FL_CLK
FL_LAT
CL2040
3 FL_LAT
FLGND
4 FLGND
C
5 +6.3V DCDC
FB2311
6 DGND
0uH
CL2210
7 +6.3V DCDC LED BAR
8 DGND
BOARD
CL2027
9 +3.3V STBY
SIRC CL2025 CN104
10 SIRCS
POWER_DET CL2059
11 PW_SW (Page 40)
AD_KEY1 CL2024
12 AD1
AD_KEY2 CL2053
13 AD2
INPUT
CL2056
14 INPUT_JOG
VOLUME CL2058
15 VOL_JOG
18