Sony SRS-DB500 Service Manual ▷ View online
SRS-DB500
SRS-DB500
17
17
4-9. SCHEMATIC DIAGRAM - AUDIO/PANEL Section -
(3/3)
F
AMP
CN102
BOARD
AMP
BOARD
(2/3)
CN592
C
CN103
E
(3/3)
AMP
BOARD
CN501
A
(1/3)
AMP
BOARD
BOARD
MAIN
CN004
G
J
MAIN
CN001
BOARD
CL755
CL756
CL757
4P
CN101
FB755
FB753
FB754
1000p
C763
1000p
C761
1000p
C762
470p
C765
MC2837
D102
(CHASSIS)
INPUT BOARD
EMI
FL701
1
2
3
4
R
GND
GND
L
470p
C764
INPUT 1
R
L
J101
CL753
L753
CL752
0.01
C752
0.01
C753
CL754
CL751
L750
CL750
0.01
C750
0.01
C751
L752
L751
1
2
3
4
4P
CN602
L+
L-
R+
R-
C754
0.1
C755
0.1
C756
0.1
C757
0.1
(CHASSIS)
-
+
+
-
R
L
SPEAKER
TERMINAL BOARD
0.01
C034
0.01
C035
0.01
C036
J601
470p
C032
470p
C033
470p
C031
0
FB608
0
FB602
0
FB603
0
FB607
470
R077
470
R076
1k
FB601
1
3
4
5
6
7
8
9
10
10P
CN021
HP_OUT_L
HP_DETECT
HP_OUT_R
HP_OUT_GND
INPUT2_R
INPUT2_GND
INPUT2_L
GND
GND
MC2837
D031
MC2837
D032
JACK BOARD
J102
INPUT 2
1
C052
1
C051
SLR-325VCT31
D051
SLR-325DCT31
D053
SLR-325DCT31
D054
SLR-325DCT31
D055
10k
R091
10k
R092
10k
R093
10k
R094
2SC3052EF-T1-LEF
Q001
100
R095
CL052
CL051
CL053
CL054
CL057
CL058
CL059
CL060
CL061
CL062
1
2
3
4
5
6
7
8
9
10
11
11P
CN051
CL056
0.01
C053
0.01
C054
0.01
C055
0.01
C056
0.01
C057
100
R096
S051
CONTROL BOARD
/
LED DRIVE
/
GND
E4V
3.3V
LED_INPUT
LED_TREBLE
LED_BASS
PWR_KEY
LED_STANDBY
INPUT2_KEY
BASS_KEY
TREBLE_KEY
INPUT 2
TREBLE
BASS
S052
INPUT
S053
TREBLE
S054
BASS
0
2
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
31
31P
CN801
HP_DETECT
GND
GND
GND
GND
GND
E4V
3.3V
3.3V
GND
GND
GND
P_CON2
POWER_METER
P_CON1
HP_MUTE
AUDIO_LATCH
AUDIO_CLOCK
AUDIO_DATA
SM_OVF
SM_LATCH2
SM_LATCH1
SM_DATA
SM_CLK
SM_SOFT_MUTE
SM_NSP_MUTE
SM_INIT
SM_SD
DC_DETECT
SM_RESET
SM_OTW
31P
CN802
CONNECTOR BOARD
SM_OTW
SM_RESET
DC_DETECT
SM_SD
SM_INIT
SM_NSP_MUTE
SM_SOFT_MUTE
SM_CLK
SM_DATA
SM_LATCH1
SM_LATCH2
SM_OVF
AUDIO_DATA
AUDIO_CLOCK
AUDIO_LATCH
HP_MUTE
P_CON1
POWER_METER
P_CON2
GND
GND
GND
3.3V
3.3V
E4V
GND
GND
GND
GND
GND
HP_DETECT
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
31
4
B
6
9
11
D
15
10
3
5
12
C
F
1
E
8
G
14
A
2
13
7
Note: When the CONNECTOR board is damaged, exchange the
entire CABINET ASSY.
(Page 16)
(Page 19)
(Page 15)
(Page 16)
(Page 19)
(Page
14)
SRS-DB500
SRS-DB500
18
18
4-10. PRINTED WIRING BOARDS - MAIN/PANEL Section -
1
12
13
24
1
13
27
14
26
39
40
52
5
8
1
4
R019
R020
R021
R022
R023
R024
R025
R026
R027
R028
R029
R030
R031
R032
R033
R034
R035
R036
R037
R038
C017
R039
R040
C004
R041
C005
R042
C006
R043
C007
C009
R046
R047
R048
R049
C010
C012
C013
R050
C014
R051
R052
C016
R053
R054
R056
R057
R058
R059
C020
C021
C022
C023
R060
R061
R062
R063
R064
R065
R066
R067
R068
R069
R072
R073
R074
R075
R078 R079
R080
R081
D001
D016
D017
IC001
IC003
IC004
IC005
CL001
CL002
CL003
CL004
CL005
CL006
CL007
CL008
CL009 CL010 CL011
CL012
CL013
CL014
CL016
CL017
CL018
CL019
CL020
CL022
CL023
CL024
CL025
CL026
CL027
CL028
CL029
CL031
CL035
CL041
CL042 CL043
CL044
CL045
CL046
CL047
CL048
CL049
CL050
CL051
CL052
CL053
CL054
CL055
CL056
CL057
CL058
CL059
CL060
CL061
CL062
CL063
CL064
CL065
CL066
CL067
CL068
CL069
CL070
R001
R002
R003
R004
R005
R006
R007
R008
R009
R010
R011
R012
R013
R014
R017
BE
C051
C052
C053
C054
R091
C055
R092
C056
R093
C057
R094
R095
R096
Q001
CL051
CL052
CL053
CL054
CL056
CL057
CL058
CL059
CL060
CL061
CL062
1
2
10
11
CN051
S051
S052
S053
S054
D051
D053
D054
D055
JW111
JW112
JW113
1
2
10
11
1
2
8
9
2
1
8
9
1
2
30
31
CN001
CN002
CN003
CN004
C001
C002
C003
C008
C011
C015
S001
JW001
JW002
JW004
JW005
JW006
JW009
D002
D003
JW010
D004
JW011
D005
JW012
D006
JW013
D007
JW014
D008
JW015
D009
JW016
JW017
JW018
JW019
D010
D011
D012
D013
JW020
D014
JW021
D015
JW022
JW023
JW024
JW025
JW026
JW027
JW028
JW029
IC002
JW030
JW031
JW032
JW033
JW034
JW035
JW036
JW037
JW038
JW039
JW040
JW041
JW042
JW043
JW044
JW045
JW046
JW047
JW048
JW049
JW050
JW051
JW052
JW053
JW054
JW055
JW056
X101
D002 – 014
D002 – 010
(VOLUME/BASS/TREBLE LEVEL)
(VOLUME, BASS, TREBLE)
D011 – 014
(ILLUMINATION)
A
K
A
AMP
BOARD
CN501
1-879-482-
11
(11)
MAIN BOARD
JOG
ROTARY
ENCODER
S001
1
3
1
4
2
3
2
MUTING
1
2
3
CONNECTOR
BOARD
CN801
CN802
D054, S053
K
A
S051 – 054
1-879-485-
11, 12
(11, 12)
CONTROL BOARD
INPUT
BASS
D055, S054
D051, S051
TREBLE
1
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
(NC)
(NC)
INPUT 2
K
A
K
A
K
A
K
A
K
A
A
K
A
K
K
A
K
A
K
A
K
A
K
A
•
: Uses unleaded solder.
• See page 11 for Circuit Boards Location.
(Page 13)
Note: When the CONNECTOR board is damaged, exchange the
entire CABINET ASSY.
Ver. 1.2
SRS-DB500
SRS-DB500
19
19
4-11. SCHEMATIC DIAGRAM - MAIN Board -
• See page 22 for Waveforms. • See page 26 for IC Pin Function Description.
CONTROL
BOARD
CN051
J
CONNECTOR
BOARD
CN802
G
11
3.3
3.3
3.3
3.3
0
3.3
3.3
0
3.3
3.3
3.1
3.3
3.3
0
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
0
3.3
0.1
0
3.2
3.3
0
3.3
0.1
3.1
3.1
1.8
0
0
3.3
1.6
3.3
0
0
3.1
3
0.2
0.2
2
2
2
0.2
2
3.3
3
3.1
3.3
3.3
3.3
3.3
3.3
100
R034
100
R035
100
R033
CL001
100
R024
1
C010
CL002
0
R046
22k
R042
100
R003
22k
R001
100
R012
1
2
3
4
5
6
7
8
9
10 11 12 13
15
16
17
18
19
20
21
22
23
24
25
26
29
30
31
32
33
34
35
36
37
38
39
43
44
45
46
47
48
49
50
51
52
14
28
41
42
40
27
NC
LED_CKS
P3_3/SSI
LED_CKL
MODE
LED_/OE
LED_A
RESET
XOUT
VSS
XIN
VCC
LED_
STANDBY
NC
STATIC_KEY2
VREF
AUDIO_CLK
AUDIO_DATA
AUDIO_LATCH
POWER_METER
P_CON1
P_CON2
SM_OTW
SM_RESET
STATIC_KEY0
STATIC_KEY1
0.022
C006
100
R022
CL020
100
R004
CL004
2.2k
R047
2.2k
R048
CL007
100
R023
470k
R043
8
7
6
5
4
3
2
1
NC
NC
A2
GND
100
R011
CL008
100
R002
CL006
0.1
C007
CL005
1
C005
100
R005
CL003
20MHz
X101
24
23
22
21
20
19
18
7654321
17
16
15
14
13
8
9
10
11
12
/Q1
/Q2
VCC
A
/OE
CKL
/R
CKS
GND
SQ16
/Q15
/Q16
100
R010
VCC
OUT
GND
1
2
3
47
R051
100p
C013
1000p
C012
100
R008
100
R009
1
2
3
10k
R049
10k
R050
0.01
C020
0.01
C021
100
R052
100
R053
100
R054
100
R056
1
C009
100
R036
100
R037
100
R038
100
R039
100
R040
1
C004
100
R017
100
R019
100
R013
100
R014
100
R030
100
R031
100
R032
CL014
CL012
CL010
CL009
CL013
CL016
CL011
CL018
CL017
CL019
1SS355TE-17
D001
6.3V
1000
C003
CL025
CL026
1
2
3
4
5
6
7
8
9
9P
CN002
CL024
CL023
CL022
10
R041
100
R066
100
R067
100
R068
100
R069
100
R065
100
R064
100
R063
100
R062
100
R061
100
R060
100
R059
100
R057
100
R058
1
C016
CL027
CL028
CL029
CL031
1
C014
100
R025
10k
R021
100
R028
100
R029
100
R026
100
R020
100
R027
100
R006
4.7k
R007
10V
470
C002
6.3V
1000
C001
10V
100
C011
CL041
CL042
CL043
CL044
CL045
CL046
CL047
CL048
CL049
CL050
CL051
CL052
CL053
CL054
CL055
CL056
CL057
CL058
CL059
CL060
CL061
CL062
CL063
SLR-325VCT31
D015
1
2
3
4
5
6
7
8
9
10
11
11P
CN001
TREBLE_KEY
BASS_KEY
INPUT2_KEY
LED_STANDBY
PWR_KEY
LED_BASS
LED_TREBLE
LED_INPUT
3.3V
E4V
GND
100k
R074
10k
R075
1SS355TE-17
D016
1SS355TE-17
D017
CL064
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
31
31P
CN004
1
2
3
4
5
6
7
8
9
9P
CN003
3.3V
LCD_CE
3.3V
LCD_CLK
3.3V
LCD_DATA
GND
GND
GND
CL066
CL067
CL065
CL068
CL069
CL070
0.01
C022
68
R072
68
R073
1L434FA22E0TDT01
D007
1L434FA22E0TDT01
D011
1L434FA22E0TDT01
D002
1L434FA22E0TDT01
D008
1L434FA22E0TDT01
D012
1L434FA22E0TDT01
D003
1L434FA22E0TDT01
D009
1L434FA22E0TDT01
D013
1L434FA22E0TDT01
D004
1L434FA22E0TDT01
D010
1L434FA22E0TDT01
D014
1L434FA22E0TDT01
D005
1L434FA22E0TDT01
D006
100
R078
100
R079
100
R080
10k
R081
1
C023
CL035
10V
47
C008
10V
47
C015
INPUT2_KEY
BASS_KEY
TREBLE_KEY
SM_RESET
SM_OTW
P_CON2
P_CON1
POWER_METER
AUDIO_LATCH
AUDIO_DATA
AUDIO_CLOCK
TREBLE_KEY
BASS_KEY
INPUT2_KEY
PWR_KEY
LED_BASS
LED_TREBLE
LED_INPUT2
FLASH_TXD1
FLASH_RXD1
(NC)
(NC)
GND
RESET
CNVSS
RXD1
CLK1
3.3V
RTS1
TXD1
GND
HP_DETECT
GND
GND
GND
GND
GND
E4V
3.3V
3.3V
GND
GND
GND
P_CON2
POWER_METER
P_CON1
HP_MUTE
AUDIO_LATCH
AUDIO_CLOCK
AUDIO_DATA
SM_OVF
SM_LATCH2
SM_LATCH1
SM_DATA
SM_CLK
SM_SOFT_MUTE
SM_NSP_MUTE
SM_INIT
SM_SD
DC_DETECT
SM_RESET
SM_OTW
AUDIO_LATCH
AUDIO_CLOCK
AUDIO_DATA
SM_OVF
SM_LATCH2
SM_LATCH1
SM_DATA
SM_CLK
SM_SOFT_MUTE
SM_SD
SM_RESET
SM_OTW
SM_INIT
P_CON2
HP_MUTE
POWER_METER
P_CON1
SM_NSP_MUTE
DC_DETECT
PWR_KEY
SM_NSP_MUTE
SM_INIT
SM_LA
TCH2
SM_LA
TCH1
SM_CLK
SM_DA
TA
SM_SD
DC_DETECT
SM_OVF
SM_SOFT_MUTE
HP_MUTE
R5F21247SNFP
IC001
IC001
SYSTEM CONTROLLER
DC_DETECT
SM_SD
AC_CUT_DET
NC
PWR_KEY
SM_DA
TA
SM_CLK
SM_LA
TCH1
SM_LA
TCH2
SM_INIT
SM_NSP_MUTE
NC
FLASH_TXD1
MASTER_VOLUME2
LCD_CE
EEP_SCL
EEP_SDA
HP_PLUG_IN_DET
HP_MUTE
SIRCS
LCD_CLK
SM_SOFT_MUTE
LCD_DATA
SM_OVF
NC
MASTER_VOLUME1
PNA4823M03S0
IC002
IC002
REMOTE CONTROL
RECEIVER
S-24CS16A0I-J8T1G
IC003
IC003
EEPROM
SDA
SCL
WP
VCC
S001
ROTARY ENCODER
(VOLUME, BASS, TREBLE)
JOG
LED_INPUT2
LED_TREBLE
LED_BASS
D015
MUTING
R8A66166SP
IC005
IC005
LED DRIVER
/Q14
/Q13
/Q12
/Q11
/Q10
/Q9
/Q8
/Q7
/Q6
/Q5
/Q4
/Q3
PST3629UL
IC004
IC004
RESET SIGNAL GENERATOR
CD
OUT
GND
VDD
43
12
FLASH_TXD1
FLASH_RXD1
MAIN BOARD
J
4
B
6
9
11
D
15
H
10
3
5
12
C
F
1
E
8
G
14
A
2
13
I
7
D011-014
(ILLUMINATION)
D002-010
VOLUME/BASS/TREBLE
LEVEL
0.1
C017
(Page 17)
(Page
17)
SRS-DB500
SRS-DB500
20
20
4-12. PRINTED WIRING BOARD - POWER Board -
B E
B E
B
E
B E
6
1
5
6
1
5
D945
IC941
IC943
TP901
TP902
TP903
TP904
TP919
TP922
Q943
Q947
L945
L951
R905
R906
R907
R909
R910
R911
R919
CL001
Q981
R922
CL002
Q982
R923
R925
R926
R931
R932
R933
R934
R935
R936
R937
R938
R939
R940
R941
C907
C909
R946
R948
R949
C911
R951
R952
R953
R954
R955
R956
JL906
C923
JL907
JL908
JL909
R965
C929
R966
R967
JL910
R969
JL911
JL912
JL913
JL914
JL915
JL916
JL917
JL918
R971
C935
C936
C937
JL920
JL921
C951
C952
C955
R992
R993
R994
C958
R995
C960
D906
D907
D908
C969
D909
D910
C971
D914
D915
D923
D924
D925
D926
D932
1
3
6
8
1
3
1
3
C
E
C
E
C
E
1
14
1
5
2
4
E
B
E
B
D941
IC921
D943
JW951
JW952
JW953
JW954
JW955
JW956
JW957
JW958
JW959
HS931
IC931
JW960
JW961
JW962
JW963
JW964
JW965
JW966
JW967
JW968
JW970
JW973
JW974
JW975
IC951
JW981
JW982
JW983
JW984
JW985
JW986
JW987
JW988
F901
Q901
Q921
PC901
PC902
PC903
EB902
EB903
EB904
EB905
EB907
L931
VDR901
R901
R903
R904
R908
R912
R913
R914
FR901
CN901
CN904
CN906
R927
R929
C901
FH901
C902
FH902
C903
C905
TH901
C906
C908
C913
C918
LF901
LF902
C920
C922
C924
C928
C930
C932
C933
C934
C938
C939
C940
C941
C942
C943
C948
C949
JW905
D901
C963
C964
JW910
C965
D905
JW911
JW912
JW913
JW914
JW915
JW916
JW917
JW918
JW919
D913
C910
JW927
JW928
C980
D921
HS901
IC901
D922
T901
T902
D931
C925
A
K
A
K
A
K
8
1
9
16
6
1
8
16
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
MAIN POWER
TRANSFORMER
SUB POWER
TRANSFORMER
D
AMP BOARD
CN551
B
AMP BOARD
CN591
(AC IN)
1-876-799-
1
3
1
4
12
(12)
POWER BOARD
LINE FILTER
LINE FILTER
(US, CND, E92, MX, TW)
(US, CND, E92, MX, TW)
(AEP, UK, SP, AR, AUS, CH)
(US, CND, E92, MX, TW)
(AEP, UK, SP, AR, AUS, CH)
(US, CND, E92, MX, TW)
(AEP, UK, SP, AR, AUS, CH)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
•
: Uses unleaded solder.
• See page 11 for Circuit Boards Location.
(Page 13)
(Page 13)
Ver. 1.3
Click on the first or last page to see other SRS-DB500 service manuals if exist.