Digital Audio Board (2/4) - Sony STR-KM5 Service Manual

5-10. 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 22),
(Page 24)
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 22)
IC2032
IC B/D
D
SIGNAL SELECTOR
3.3
3.3
3.3
R2157
10k
E
C2905
220 4V
DIGITAL AUDIO
6
BOARD
4
(1/4)
(Page 22)
7
F
R2863
G
22
1 CE#
R2864
3.3
22
2 SO
3.3
3 WP#
R2865 3.3
10k
4 Vss
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 36) VERSION
CL2095
FAN_CTRL
K
STR-KM5/KM7
• See page 45 for Waveforms.
4 5 6
MD0
MD2
DIR_MISO
SI
SO
FLASH_CLK
C2022
RESET
470 16V
3.3
CL2219
IC2107
OUT
BA33BC0FP-E2
GND
IC2107
VCC
+3.3V REG C2021
6.3 0.47
3.3
1 SELECT VCC 16
0
2 1A ST 15
3 1B 4A 14
4 1Y 4B 13 STOP
5 2A 4Y 12
R2621
3.3 SO
6 2B 3A 11 10k
7 2Y 3B 10 FAN_BLK
FUSE_DET
3.3 UART_IN
8 GND 3Y 9
COMPO_SW2
V_MUTE
V_SEL1
DSP_UART_SEL
V_SEL2
POWER_RY
HDMI_NLPCM
COM_CLK
COM_DATA
C2418
0.1
DSP_CS
DSP_MISO R2100
X2101
1.5k
4MHz
IC2802
W25Q80BVSSIG
DSP_SFLASH_HOLD
DAC_LAT
IC2802
DSP_SPICLK DAC_MUTE RB2124
EEPROM
FSRATE 100
R2878 R2879 DSP_MOSI
22 10k
3.3 EVOL_CLK
Vdd 8
EVOL_DATA
0 R2897
HOLD# 7
R2882 10k
E2P_SDA RB2123
22
3.3
E2P_SCL 100
SCK 6
3.3 R2880 22
SI 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 25)
• See page 49 for IC Block Diagrams.
7 8 9 10
FB2101
0uH
C2131
47
16V
C2883
4.7
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
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
C2121 0.1
81 FAN_BLK
0
82 FUSE_DET
RB2102
2.8
83 COMPO_SW2
100
0
84 V_MUTE
0
85 V_SEL1
0
86 V_SEL2
RB2121 3.3
87 HDMI_NON_LPCM
100 3.3
88 COM_CLK
0 IC2105
89 COM_DATA
MB90F058PF-G-NNE1
0
IC2105
90 VCC_3.3V
C2459 0.1
3.3
91 VSS_GND
SYSTEM CONTROL
1
92 X1(X_OUT)
R2007
1.7
1M
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
14 15
23 23
• See page 56 for IC Pin Function Descriptions.
11 12 13
R2730
R2746
0
4 CEC
3.3
D2730
5 GND CEC_OUT
RB751V-40TE-17
6
3.3
IC2033 R2392
TC7SH126FU 100k
3.3
IC2033
1 Gate Vcc 5
0.6
C2203 R2249
2 In
IC B/D
0.1
3.3 3.3
3 GND OUT_Y 4
MAIN RESET
SWITCH
R2006 470
D2019
DA2J10100L
Q2006
2SC3052EF-T1-LEF
DATA SWITCH
R2951
3.3 R2132
1k
0
10k
R2952
R2285
1k
470
C2127
0.1
0 3.3 3.3 3.1 1.4 2.8 3.3 3.3 3.3 3.3 0.2
60 59 58 57 56 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
HDMI_CECIN 47
0 R2124 100
HDMI_CECOUT 46
PCONT_HDMI
45
VSS_GND 44
3.3
RX_RESET 43
RB2107
3.3
TX_RESET 42
3.3 100
HDMI_TX5V-POW 41
R2989 10k C2975
0
USB_BUSY 40
R2992 10k C2972
0
USB_IPOD_REQ 39
3.3 R2129 100
USB_RESET 38
C2976
3.3
USB_OVC 37
C2974 0.1 R2324 10k
3.3
AD_KEY_2 36
C2417 0.1
AVSS 35
3.3 R2220 100
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
31
R2015 10k
C2466 1000p
0 3.3 1.6 0 0.7 0.7 0 0 1.7
R2620
10k
R2321
10k
16 17
7
Note: IC2811 on the DIGITAL AUDIO board cannot exchange
DIGITAL AUDIO BOARD (4/4)
(Page 25)
STR-KM5/KM7
Ver. 1.4
14 15 16 17
IC2811
RT8H365C-T122-2
27k
IC2811
CEC SWTICH
3.3
VDD
3
0
2
C2722
3.3 0.1
CEC_IN
1
IC2019
74AHC1G08GW-125
10k
IC2019
3.3
1 IN VCC 5
3.3
IC B/D
2 IN
3.3 3.3
3 GND OUT 4
RESET SWITCH
C2128
100p
C2465 0.1
C2126 4.7
IC2020
S-80929CNMC-G8ZT2G
0
1 OUT CD 5
IC2020
3.3
2 VDD
3.3 RESET SIGNAL
3 VSS NC 4
GENERATOR
C2469 0.1
CN2504
13P
13 +6.3V
CEC_IN
12 +6.3V
CEC_OUT R2980 0
11 DGND
USB_SPDIF CL2217
D
10 USB_SPDIF
R2996 0
9 DGND
HDMI_RX_RESET CL2216
8 SDA USB
HDMI_TX_RESET CL2215
7 SCL
BOARD
HDMI_TX5V CL2212
6 MCHNG
1000p
CL2031
CN4100
5 BUSY
0.1
CL2061
(Page 43)
4 IPOD_REQ
CL2051
3 RESET
0.1
CL2055
REG_CTRL
2
AD_KEY2 CL2050
1 OVC
AD_KEY1
CN2503
15P
FL_DATA
CL2041
1 FL_DIN
FL_CLK CL2049
INPUT 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 41)
AD_KEY1 CL2024
12 AD1
AD_KEY2 CL2053
13 AD2
INPUT
CL2056
14 INPUT_JOG
VOLUME CL2058
15 VOL_JOG
HDMI_PCONT
18
with single. When this part on the DIGITAL AUDIO board is
damaged, exchange the entire mounted board.