1
2
3
FS-SD550R/FS-SD770R/FS-SD990R
4
5
ABC
A,B,C
D,E,F
PD,LD
CN603
PICKUP
KSM-900AAH
F ,T
SM
FM
HOT
AM
J1
IC601
AMP
IC602
RFIN
CD DOOR
SWITCH
FM
RF & SERVO
BTL DRIVER
AMOSC
L11
AMRF
FMIN
TU1
W8003
CN804
RFENV,
TBAL,FBAL
VDET,TE,FE
OFT,BDO
RFDET,ARF
LDON
TRV,TVD,ECS,ECM
KICK,FOD,TRD
SWITCH
DOOR3
DIGITAL SERVO
DIGITAL SIGNAL
PROCESSOR
IC1
FM IF/DET/MPX
AM RF/IF/DET
AMIN IFOUT/CONT
IC2
TUST,TUDATA
PLL
TUCK,Vt/FM+B
AUX IN
AUX OUT
J5303J5302J5301
S.W. OUT
W8002
KEY
IC603
&
CN502
CDL,CDR
CD+B
MLD,MDATA
MCLK,SUBQ
SQCK,XRST
STAT,REST
SCD,DRMUTE
Lch
Rch
MPX
E1,E2
PRI1
PRI2
OUT1
KEY1
KEY2
DOOR3
MPX
FILTER
TUNERL
TUNERR
IC501
FUNC
/ VOL
AMP
VCLK
VDATA
CD LED
CONTROL
FAN+B
TU5V
SIGL
SIGR
CN101
CN501
TUNERL
TUNERR
SIGL
SIGR
SW10V
CLOCK
DATA
CDL
CDR
KEY1
KEY2
LOMUTE
DOOR3
CD LED
US5V
SW10V
BUCKUP
IC702
US6VREG
RESET
SW5V
CONTROL
X1,X2
CLOCK
CN102
OUT1
IC101
OUT2
AHB
SW10V
SW10V
MT0
MT1
CD+B
+B
CN104W5001 CN106
CN701CN703
+B
CD LED
CONTROL
LED+B
CN105
CN702
POUT
FTU
FCD
MT0
MT1
MTS
TUCK
IC701
SYSTEM
CONTROL
SW10V
LED+B
CN706CN708 CN705
W8005 W8004
OUT1
OUT2
SAFETY
BLCTL
AHB
SMUTE
TUST
MPX
TUDATA
LOCK
DIMMER
D84~87
ENA,RS
RESET
DOOR1
DOOR2
DOOR1
DOOR2
POUT
KEY3
TXDO
RXDO
W3001
IC108
DOOR
MOTOR
DRIVER
M
REM
CD DOOR
SWITCH
SIGL
SIGR
POUT
AHBNF
CN802
CN704 CN707
IC301
POWER
AMP
W3901
CN193
IC102
HP AMP
HPMUTE
HPL
HPR
CN103
CN801
HPL
HPR
HP
MUTING
KEY3
REM,POUT
D84~87
DIMMER
BL6VCD7V
US7V
E,RS
OUT1
OUT2
T1
KEY
SWITCH
IC801
REMOCON
LCD
DIMMER
CONTROL
CN803
W8001
BACK
LIGHT
W3002
CN301
CN181
W1801
CN192 J8301
CN191
SPEAKER
J3001
J1901
HEADPHONE
OUT
Block diagram
2-1
FS-SD550R/FS-SD770R/FS-SD990R
< MEMO >
2-2
Standard schematic diagrams
CD servo control section
5
F
E
A+C
B+D
R6026
R6025
R6024
R6028
2.2K
C6022
C6006
2.2K
10K
10K
0.0022
47/6.3
C6016
0.022
0.0022
C6007
C6015
0.022
R6007
39K
C6019
470P
R6005
R6006
R6009
C6020
330P
47K
180k
270k
R6010C6018
NI
C6030
R6012
150K0.0022
0.1
C6009
C6017
0.022
R6008
390K
100/6.3
C6001
8.2K
C6021
1500P
VDET
TBAL
FBAL
FE
TE
R6205 R6204
39K 62K
C6053
C6154
0.022
100P
XRST
R6051
STAT
1K
R6052
SUBQ
100
R6053
SQCK
1K
R6054
C6159
150P
C6156
150P
C6157
150P
R6056
C6158
0.1
MLD
MDATA
01K0
R6057
J6001
GP1FA550TZ
MCLK
0
470
R6058
R6060
6P
C6058
0.047
C6055
C6080
220/10
1SS355-X
D6063
22
R6068
STAT
FS-SD550R/FS-SD770R/FS-SD990R
MLD
MDATA
MCLK
SUBQ
REST
DRMUTE
XRST
SQCK
SCD
4
CN606
QGF1006F1-16W
3
2
1
CN603
QGF1008F1-16
R6016
91
CN605
QGA2001C1-06
FÂTÂT+
F+
SMÂSM+
FMÂFM+
C6199
A+C
B+D
1.5
E
F
C6140
NI
D6500
MTZJ8.2B-T2
2.7K
R6500
120
R6013
LA6541-X
IC602
DTD123TK-X
Q6500
AN22000A
IC601
12
R6015
10
R6014
1K
R6031
R6032
C6033
C6014
R6203
2SA1037AK/R/-X
C6003
Q6001
R6001
6.8K
10/16
C6002
68P
C6201
T-
C6096
390P
SM+
SM-
390P
C6097
2SC2060/QR/-T
1K
1K
Q6031
R6033
10/16
D6031
0.22
ARF
0
C6203
NI
NI
R6201
4.7K
2.2K
R6202
NI
C6202
Q6201
NI
F+
F-
C6098
390P
FM-
FM+
C6099
NI
C6034
MTZJ5.6C-T2
RFENV
390P
C6032
BDO
C6089
100/6.3
0.027
C6010
0.0047
R6040
NI
R6145
1K
OFT
1/50
C6008
R6050
NI
R6146
RFDET
0.0022
C6011
3.3K
C6094
0.01
C6012
1/50
C6091
0.1
R6048
2.7K
R6045
R6046
R6043
R6044
C6005
0.0068
C6090
C6023
NI
R6002
R6042
R6041
330P
4.7k
180K
0.027
C6028
R6021
C6031
220/10
R6049
C6092
R6047
4.7K
43K
3.9K
9.1K
39K
0.047
33
1K
R6251
C6251
WVEL
WVEL
ARF
D6033
1SR35-400A-T5
B6001
0.1
R6252
0
1M
C6029
100/6.3
D6001
1SS355-X
TRD
KICK
NI
NI
FOD
ECM
ECS
TVD
TRV
R6067
22
D6062
1SS355-X
C6081
TRV
TVD
ECM
ECS
KICK
TRD
FOD
FBAL
TBAL
FE
TE
RFENV
VDET
OFT
RFDET
BDO
220/10
C6061
470P
NI
1.5M
R6069
R6253
QQR0601-001Z
R6061
C6063
IC603
R6257
100K
0.022
K6051
R6254
0
R6063
C6064
C6076
0.001
MN662748RPMFA
100K
NINI
R6255C6252
120K
0.47
0.15 330
C6062
C6065 R6064
0.022
CDDGT+CDR
CDMG
C6075
0.001
C6073
220/10
1K
1K
C6072
0.0022
R6072
R6071
C6071
0.0022
C6083
560K
R6256
2.7K
R6258
NI
C6254
0.33
C6253
CDL
AG
0.022
R6059
X6051
QAX0413-001Z
C6051
C6052
12P
15P
470
47
R6066
D6061
1SS355-X
CD signal
Note:/tr/s/jsc/sd550/LVS200602_GNS10002-001A 2/8
FS-SD550R/770R/990R
ABCD E F G
2-3
Power supply & main circuit section
FS-SD550R/FS-SD770R/FS-SD990RFS-SD550R/FS-SD770R/FS-SD990R
Q1101
2SD2114K/VW/-X
D1301
R1205
C1202
C1102
R1105
LOCK
2.7k
0.22
SAFETY
0.22
2.7k
MT0
MT1
MTS
LOCK
POUT
SAFETY
RDSCK
R1111
10K
R1211
10K
Q1301
DTA123EKA-X
1K
R1311
D1305
RDSI
TUCK
TUDATA
C1103
0.056
C1203
0.056
R1207
Q1201
2SD2114K/VW/-X
C1308
10/50
D1304
MTS
BLCTL
AHB
SMUTE
TUST
MPX
R1103
C1210
0.001
R1118
R1203
10K
1
R1218
3.3K
R1104
10K
1
3.3K
R1204
LF111
QQR0590-001
C1110
1.2K
R1928
0.001
51K
10/25
C1301
R1301
FTU
AHB
1.2K
R1101
1.2K
R1201
5
TUCK
TUDATA
TUST
MPX
RDSCK
RDSI
LF121
QQR0590-001
C1101
C1201
0.0056
0.0056
R1102R1202
5.6K5.6K
Q1914
2SA1037AK/R/-X
D1915D1916
100/16
C1924
1K
R1930
R1931
39
D1914
MTZJ3.9B-T2
Q1915
2SC2412K/R/-X
4.7/50
C1923
27K
R1929
4
CN101
QGF1201F3-08
CN501
QGF1201F3-08
J5302
QNS0047-001
1K
C5212
C5112
0.001
0.001
0.01
C5308
CN502
QGA2001C1-04
3
K5302
0.001
C5304
C5309
C5310
0.001
R5304
1K
0.01
C5307
WR501
0.01
47K
R5303
QQR0601-001Z
150P
C5111
R5109
R5209
Q5302
2SD2114K/VW/-X
W5001
WR502
J5301
QNS0047-001
J5303
2
QNN0198-001
R5101
R5201
C5211
R5302
2.2K
22K
22K
150P
C5303
R5103
R5203
56K
56K
Q5301
DTA114EKA-X
1/50
22K
R5301
3K
3K
68K
R5202
R5102
R5107
1K
Q5101
2SD2114K/VW/-X
R5108
2.2K
R5208
2.2K
4.7/50
C5102
4.7/50
C5202
4.7/50
C5103
4.7/50
C5203
C5101
4.7/50
4.7/50
C5201
68K
47/35
C5302
C5301
100/16
1.5
R5305
R5106
R5206R5207
IC501
BD3861FS-X
3.9K
3.9K
R5105
Q5201
2SD2114K/VW/-X
47K
R5205
C5108
C5208
C5110
C5109
C5107
C5210
C5209
C5207
47K
C5205
C5105
10/16
10/16
C5104
10/35
C5204
10/35
R5204
1.8K
R5104
1.8K
0.0033
0.0033
R5110
0.15
3.3K
0.15
22/16
0.15
0.15
22/16
R5210
3.3K
CN105
QGF1201F3-18
FCD
BLCTL
SMUTE
1
470
470
15K
R1109
R1313
R1312
R1108R1107
4.3k15K
3.9k
R1106
47/25 470
C1302 R1302
3.9k
R1206
C1802
100/35
10
10
R1804
R1805
Q1102
2SC2412K/R/-X
R1116
2.2K
R1112
3.3K
R1212
3.3K
R1216 R1214
2.2K 1K
Q1202
2SC2412K/R/-X
MT0
MT1
FCD
POUT
FTU
C1105
C1104
0.056
C1204
0.056
R1208
4.3k15K
IC108
TA8409F-W
R1801
R1807
R1808
Q1801
2SC2412K/R/-X
C1107
4.7/50
C1207
4.7/50
K1801
QQR0779-001Z
47/16
C1205
47/16
15K
R1209
IC102
BA15218F-W
R1215
560
R1310
1K
C1803
1.5
CN106
QGA2501C1-02
470
470
470
R1806
18K
R1115
560
C1209
DTA123EKA-X
C1109
Q1302
R1110
220k
R1210
220k
R1802
0.0022
C1307
10/50
47K
R1803
C1208
150P
0.0022
IC101
15K
1KMTZJ5.1A-T2
R1303D1302
NJM4580D-D
C1108
150P
C1106
22/35
C1206
22/35
#
C1303
D1801
L1801
C1801
R1114
R1113
R1213
DSK10C-T1QQL25CK-221Z
10/50
1K
56K56K
R1304
220k
C1304
1/50
R1306
56k
Q1907
2SD2144S/VW/-T
D1907
C1915
9.1K
R1307
10K
47/16
R1308
C1306
R1305
D1303
100/16
R1309
C1305
CN104
QGF1201F3-09
10
100/35
120K
D1906
1K
R1920
CN102
47/50
C1914
QGA2501C1-06
D1905
MTZJ10A-T2
R1913
2.7K
560
MTZJ11A-T2
R1912
5.6K
R1937
W3001
0.01
C1913
R1914
470
C1912
220P
Q1903
2SC2412K/R/-X
D1909
47/25
#
C1925
C1918
0.01
MTZJ6.8B-T2
C1917
R1935
2.7K
150
R1936
R3101
4.3k
R3201
4.3k
Q3301
DTA143TKA-X
R3107
2.2K
R3207
2.2K
Q3101 Q3201
2SD2114K/VW/-X 2SD2114K/VW/-X
Q1901
2SA1359/OY/
R1911
470
Q1902
2SC2412K/R/-X
1K1K1K
1K
4.7K
R1910
R1924
R1938
C1916
220P
D1908
10K
CN103
QGB1216J1-08S
R1907
R1909
R1908
Q1909
2SC2412K/R/-X
R1933
680
Q1910
2SC2412K/R/-X
1.5K
R1934
MTZJ6.8B-T2
D1913
UPC78L05J-T
10k
R3102
DTA144TKA-X
R1915R1916R1917
8.2K1K1.2K
DTC144TKA-X
Q1908
2SA1359/OY/
330
R1932
IC191
0.1
10/25
C1922
C1921
C3201
10/35
Q1905
Q1906
C3101
10/35
10k
R3202
R1923
0.001
0.001
C3102
C3202
R1902
R1903
R1904
Q1904
2SA1037AK/R/-X
D1904
R1922
4.7
4.7
10/16
C3301
1
1
1
15K
R1918
5.1K
MTZJ5.6C-T2
R1919
MTZJ10A-T2
D1912
0.1
C3204
2.2
R3204
C3320
0.001
22/25
C1920
0.1
C3203
2.2
R3203
R1905R1906
D1903
1501K
R1926
10K
R1927
0.0015
C3302
12K10/16
C1919
D1911
IC301
LA4905
#
C3303
2SA1175/FE/-T
MTZJ6.8A-T2
1/50
C3304
0.01
C1928
Q1912
R1925
QGA2501C1-07
RY191
QSK0116-001
D1910
6A10E2
Q1913
560
0.1
0.1
C3103
C3104
2.2
2.2
R3103
R3104
W3901
CN193
D1917
R1921
4.7
2SC2412K/R/-X
C3306
R3303
0.01
C1929
33/16#10K
C3308
0.01
C1927
22K
R3105
C3309
0.047
C3311
8200/25
C1910
CN301
QGA2501F1-04
22K
22K
22K
R3205
R3106
R3206
C3310
1/50
1/50
6.8K
6.8K
0.047
D3302
D3303
R3304
R3305
C3312
D1901 D1902
D5SBA20-S1 D3SBA20-S1
C1903 C1904 C1905
0.1 0.1 0.1
C1902
C1901
0.1
C1907 C1908
0.1 0.1 0.1
0.01
C1911
6800/25
C1926
Parts are safety assurance parts.
When replacing those parts make
W3002
C1906
QGA7901C1-02
QGA7901C1-02
S1901
CN191
VMZ0126-003
QGA7901C1-04
LF311
QQR0797-002
LF321
QQR0797-002
0.1
QQR0799-001
R1901
3.3M
LF191
QQR0799-001
C3105
C3205
0.0033
0.0033
QNB0092-001
CN181
QGA2001C1-02
W1801
CN192
QGA3901C1-04
EP131
QNZ0136-001Z
J1901
QNC0030-001
J1901
QNC0052-001
EP191
QNZ0136-001Z
J1901
QNC0030-001
J3001
sure to use the specified one.
Note:/tr/s/jsc/sd550/LVS100571_GNS10002-001A 3/8
FS-SD550R/770R/990R
2-4
Tuner signal
CD signal
Main signal
HABC DEFG
FS-SD550R/FS-SD770R/FS-SD990R
System control section
2.2K
R8302
2.2K
R8301
QQL231K-470Y
L8101
QQL231K-470Y
L8201
2.2K2.2K
R8102R8202
D7008
1SS133-T2
IC702
NI
R8303
Q8101C8101
2SD2114K/VW/-X220/10
Q8201
2SD2114K/VW/-X
1SS133-T2
D7005
MTZJ8.2B-T2
100/16
C7013
D7009
R8103
2.7K
R8203
2.7K
S8001
1SS133-T2
D7004
D7007
33K
R7052
R8001R8002
1K10K
QGB1216K1-14S
MTZJ5.1C-T2
R7051
47K
2SC2412K/R/-X
4.7/50
C7020
10K
R7044
CN802
Q7006
D7003
1SS133-T2
D7006
100K
R7050
R7043
10K
1SS355-X
R7042
DIMMER
REM
2SC2412K/R/-X
10K
Q7005
K8301
QQR0601-001Z
560
R8005
Q8002
DTC114EKA-X
C7023
10/16
Q7009
2SA1037AK/R/-X
TH701
10K
R7079
R7080
NI
R8006
R7076
10K
NI
R7081
D7010
1SS355-X
2SA1037AK/R/-X
Q7007
DTC114EKA-X
NI
Q8003
DTA114EKA-X
Q7010
DTC144EKA-X
Q7011
Q7008
DTA114EKA-X
330
Q8001
DTC114TKA-X
R8003
330
R8004
D8002
1SS133-T2
D8001
SPR-39MVWF
IC801
GP1U271X
C8003
C7015
4.3K
R8007
1K
R7013
IC701
IC
0.022
NI
R8008
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
R7006
R7007
R7008
R7009
R7010
R7011
R7012
MT1
MTS
AHB
TUST
BLCTL
SMUTE
DIMMER
LOMUTE
RDSCK
REM
2.2K
2.2K
1SS355-X
D7001
R7046
R7053
R7048
1K
36P
10K
R7004
C7004
0.001
C7008
Q7002 Q7001X7002
2SC2814/4-5/-X 2SC2814/4-5/-XQAX0410-001
MT0
POUT
DOOR3
VCLK
VDATA
8.2K
R7002
0.01
100/10
C8001
C8002
1K
R7071
1K
R7073
FCD
FTU
DB7
DB6
DB5
DB4
ENA
RS
20P
C7006
22P
C7005
R7072
R7070
R7069
R7068
R7067
R7066
R7065
R7064
R7063
R7062
R7060
R7058
R7056
R7055
R7054
8.2K
R7001
C7003
2.2K
1K
2.2K
2.2K
2.2K
2.2K
2.2K
470
2.2K
2.2K
10K
10K
10K
2.2K
2.2K
10K
10K
10K
R7061
R7059
R7057
39P
10K
R7003
0.001
C7007
R8010
100K
100P
C8004
DI801
DB7
DB6
DB5
DB4
ENA
RS
CN704
DB6
R7020
R7021
R7022
R7023
R7024
R7025
R7026
2.2/50
C7019
DB5
DB4
10K
R7029
R7005
QGB1216J1-14S
ENA
RS
2.2K
1K
1K
100
1K
1K
1K
10K
10K
10K
R7035
R7033
R7031
Q7003
DTA114TKA-X
QQL244K-100Z
330
D7002
C7012
QEZ0229-479Z
R7027
R7028
R7030
R7032
R7034
R7036
R7037
QQL244K-100Z
R7047
R7049
R7040
L7001
1SS355-X
K7001
QQR0601-001Z
L7002
C7017
R7075
10K
100P
C7016
TUCK
SUBQ
XRST
SQCK
MLD
MDATA
0.01
C7009
R7074
0.01
C7022
10K
MCLK
STAT
REST
KEY1
KEY2
SAFETY
LOCK
C7021
100P
1K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
1K
1K
100/10
C7010
DB7
10K
R7041
Q7004
NI
RS
R7018
R7038R7039
0
RXD0
R7019
TXD0
0.01
C7018
DB4
ENA
1K
2.2K
R7017
TUDATA
0.1
C7011
18P
C7002
QAX0401-001
SCD
DB5
2.2K
R7016
DRMUTE
RESET
X7001
DB7
DB6
10K
R7014
R7015
MPX
RDSDI
UPD78F0034AGK
2.2K
R7045
18P
C7001
R7077
R7078
10K
0.01
0.01
C8102
C8202
CN803
QGA2001C1-02
QGA2001F1-02
CN708
10K
CN705CN706
QGA2001F1-03QGA2001F1-02
R8101
22
5
CN801
QGB1216K1-08S
C8201
220/10
R8201
22
S8002
4
KEY2
KEY1
LOMUTE
DOOR3
VCLK
VDATA
CDL
AG
CDR
CN707
QGF1201F3-06
TXD0
RXD0
3
RESET
POUT
FTU
FCD
MT0
MT1
MTS
BLCTL
AHB
SMUTE
TUST
MPX
RDSDI
TUDATA
TUCK
RDSCK
SAFETY
LOCK
CN702CN701 CN703
QGF1201F3-18QGF1201F3-09 QGA2001F1-11
KIA78S06P-T
2
C7120
C7119
C7114
C7112
0.1
C7014
W8004W8005
QNS0162-001
2.7K3.3K5.6K12K39K
R8058R8059R8060R8061R8062
J8301
W8001
R8022R8031
S8003S8009
S8010
S8004
S8011
S8005
S8012
S8006
S8013 S8007
S8014
S8008
W8003
S8022
QSW0851-001
S8021
QSW0851-001
R8032
D8031D8032
R8021
D8021D8022
D8025
R8057
R8051
2.7K3.3K5.6K12K39K
R8052R8053R8054R8055R8056
CN804
QGA2001F1-02
D8035
100
100
W8002
1
Note:/tr/s/jsc/sd550/LVS200612GNS10002-001A 1/8
FS-SD550R/770R/990R
ABCD E F G
SQCK
SUBQ
MCLK
MDATA
MLD
REST
SCD
CDR
AG
CDL
STAT
XRST
DRMUTE
CD signal
2-5
Tuner section
FS-SD550R/FS-SD770R/FS-SD990RFS-SD550R/FS-SD770R/FS-SD990R
L11
QQL231K-2R7Y
C8
15P
R3
0.0012
56
C14
0.001
0.001
C9
C19
D1
D2
C7
0.001
0.001
C6
C15
0.001
C16
0.001
R69
2.2K 4.7K
C63
0.047
C61
12P
QAX0402-001
C62
12P
C66
150P
C68
100P
C67
100P
0.001
C95
5
J1
QNB0014-001
4
3
2
C2
0.01
D3
D4
C71
3.3/50
R57
1K
C60
100/10
C65
0.001
L4
QQL231K-221Y
X1
IC2
R68
22K
R46
47K
TU1
QAU0034-001
C20
0.01
C5
10/16
R2
82
C3
0.047
R56
3.3K
C70
0.0039
C69
2.2/50
R55
1.8K
LC72136N
R44 R45
R43
1K 1K
1K
0.001
R54
C1
0.022
R1
1K
C72
R66
2.2K
C35
R52
4.7K
0.001
C32
0.001
R61
R65
2.2K
1K
Q6
C13
0.047
R10
10K
C17
C11
0.001
L1
QQR0870-001
R12
1K
C21
0.047
L12
QQL231K-4R7Y
CF1
QAX0420-001
R60
1K
QAX0263-001Z
C80
C81
47P
82P
R80
2.2K
IC4
BU1923
10/16
X2
R13
100K
R20
330
C4
0.01
C82
Q1
R21
10K
R84
C90
0.01
C83
0.047
Q3
C12
15P
R15
10K
10K
R23
10
220K
QAX0421-001
R22
330
0.01
C18
Q14
L5
QQL231K-101Y
0.01
Q4
R16
CF2
T1
QQR0793-001
R76
Q2
0.047
10/16
R48
1K
QAX0418-001
C43
0.022
0.01
C36
3.3/50
100/10
R29
R31
47K
10K
C33
C37
C34
15P
C46
R25
47K
C47
10/16
R26
15K
CF4
QAX0409-001
C41
0.1/50
C45
0.01
C42
0.47/50
C40
R27
22K
QQR0794-001
C53
R74
3.3K
680P
R30
10K
R38
3.9k
R42
C49
R39
C50
L10
1K
0.018
3.9k
0.018
R75
10K
R34
33K
Q7
C51
4.7/50
Q8
R35
33K
C52
4.7/50
C91
0.01
C55
12P
C31
39P
0.01
C93
C92
0.01
1K
R37
R36
10K
4.7K
IC1
TA2057N
CF3
R24
270
C44
220P
C30
47/16
C39
0.047
1
Note:/tr/s/jsc/sd550/LVS200295_GNS10002-001A 5/8
FS-SD550R/770R/990R_B/E/EN/EV/UB
2-6
2.2/50
C84
C85
330P
C86
560P
1K
R82
1K
R83
0.001
C89
Tuner signal
HABC DEFG
Printed circuit boards
FS-SD550R/FS-SD770R/FS-SD990R
R1216
R1928
C1924
D1916
C1108
R1113
R1307
R1114
R1213
R1214
Q1202
R1116
R1112
R1212
R1217
C1207
R1101
C1101
R1102
R1201
C1201
R1202
CN101
D1915
Q1914
Q1915
Lamp board
D1914
Q1102
R1308
W8003
C1306
D8025
W8001
R8021
R8022
LF111
C1107
R1931
R1117
LF121
D8021D8022
Power IC board
CN193
C1917
D1909
R1934
C1901
C1916
T4A
D1908
R1937
C1918
C1925
R1936
R1935
Q1910
Q1908
CN192
Z1906
Z1905
C1903
W3001
B1021
R3107
R3101
R3102
C3104
R3106
C3101
C3310
EP131
C3102
D3303
R3304
C3309
C3204
R3206
Q3201
C3202
Q3101
C3302
C3312
C1906
5
D3302
R3305
C3311
4
R3104
R3103
C3103
R3105
CN301
3
R3202
R3204
R3203
R3205
C1908
C3203
R3207
C1911
R3201
C3201
IC301
HVCC
HVCC
Q3301
C3303
LVCC
W3901
C3301
LVCC
C1905
C3306
R3302
PGPGAG
C1907
R3303
C3304
C3320
D1902
R3301
C3308
C1910
C1902
D1910
C1926
C1927
C1904
LCD lamp board
D1901
R1901
R8055
EP191
S8007 S8008 S8009 S8010
D8031
D8035
R8032
R8031
W8005
CN191
D8032
LF191
Z1901
2
Z1902
J1901
Switch board
S8003 S8004
S1901
W8002
R8051
R8052
R8053
R8054
S8005 S8006
R1933
R1932
R8056
Z1903 Z1904
CN104
R1923
Q1909
Q1903
C1801
R1938
R1807
R1924
R1907
R1908
R1909
R1906
R1808
R1910
R1911
C1802
D1903
D1913
C1921
R1922
R1921
IC191
C1922
C1915
D1906
R1920
C1914
D1904
R1915
R1905
R1902
R1903
R1904
R1918
R1919
R1917
R1916
C1913
C1912
R1912
C1928
RY191
J3001
Q1902
Q1904
D1907
Q1907
Q1906
R1218
C1210 C1110
R1203
B1002
R1204
Q1905
C1202
D1905
R1913
R1914
R1208
R1209
Q1901
R1211
R1313
R1312
D1801
B1052
L1801
D1917
Q1801
B1003
C1929
R1801
R1206
R1302
C1205
R1803
IC108
R1207
R1806
R1205
R1802
Speaker jack board
R8057 R8058 R8059
C1203
C1204
D1302
Q1201
C1206
R1210
C1302
CN102
R1805
R1804
R1303
C1303
K1801
IC101
C1803
R1926
CN181
R1301
R1927
B1001
B1051
W1801
C91
Q8
R39
C50
R42
IC2
1
22
C16
C15
WR1
C7
CN105
D1305
R1118
R1104
C1102
R1110
D1303
LF311LF321
C3105C3205
R1108
Q1101
C1105
C1106
CN106
R1105
C1103
C1104
R1304
R1305
C1304
R1109
C1301
R1107
R1111
D1301
R1103
R1106
R1306
Main board
R1215
R1115
Q1913
D1911
C1920
R1925
C1919
Q7
R84
R46
R69
L4
C65
11
12
S8011 S8012 S8013 S8014
D1912
Q1912
R34
R35
Q14
L10
R75
C41
R27
CF4
R38
C49
R30
C67
C68
R68
C63
C62
X1
C61
C60
CF1
B134
R20
C4
R1
C20
D1
D2
R99
C9
R3
C19
R8060
CN103
C1308
C89
R83
C80
R80
C81
X2
B137
C53
R74
C42
C46
13
C40
C44
C47
C37
12
R31
C33
R29
C66
R43
R44
R45
B109
C72
B114
R52
C3
B115
R21
Q2
C1
C5
B120
R11
R10
C6
D4
R1311
Q1301
1
B138
R91
R82
IC4
16
R26
C90
C43
R32
R24
CF3
C45
R25
C18
C35
C36
R48
C55
B111
C34
B110
R65
R60
C69
R56
R55
C70
Q1
R22
R2
R23
B118
Q4
R12
B119
C21
C13
C12
R13
D3
R98
C2
R8061 R8062
C1209
C1109
C1305
R1309
D1304
Q1302
R1310
C86
C84
C71
C8
L11
8
C85
C83
9
C82
L5
T1
C92
24
IC1
1
C30
C31
B131
Q6
R61
B132
B112
B113
R66
C32
B133
R57
R54
C95
B117
R15
Q3
R16
C17
WR2
C11
C14
IC102
CF2
C1208
B1004
C1307
R76
R1929
R1930
C93
C1923
C39
R36
R37
L12
R8203
K8301
R8103
C8201
R8301
C8102
C8202
R8001
IC801
D8002
C8001
C8002
R8010
C8004
DI801
R8007
C8003
R8008
R8006
R8005
CN803
Q8002
Q8003
1
Note:/d1/r/lvb10121/004a/10121
FS-SD550R/FS-SD770R/FS-SD990R
LCD board
S8002
R8303
R8002
D8001
Q8001
R8004
R8003
CN801
CN802
ABCD E F G
L8101
L8201
R8302
S8001
R8101
R8201
Q8101
R8102
C8101
Q8201
R8202
2-7
FS-SD550R/FS-SD770R/FS-SD990RFS-SD550R/FS-SD770R/FS-SD990R
Line board (Forward side) Line board (Reverse side)
Sub board (forward side)
GND
PD2FPD1EVC
VCC
NC
F+T+T-
LVA10225-01A1
LDSHORT
S1A
F-
LDCD
LDGND
LDPD
VR
1
16
CN606
K6051
C7014
W8004
S8021
S8022
CN804
C6091
C6092
D6031
C6033
Q6031
C6031
C6080
C6032
C6073
C6034
D7009
IC702
D7008
CN701 CN702
C6081
C7013
D7003
C7020
CN603
D7007
C7019
C7012
CN502
C6002
C6022
K5301
CN706
W5001
K5302
C6008
R6071
R6072
CN707
WR502
CN501
C6001
X6051
C6029
PP502
C5102
C5202
PP501
C5207
CN704
C5203
C5103
C5107
TH701
C5301
J6001
D7004
D7005
16
C5209
C5210
C5302
C5109
L7002
D5301
X7001
C5110
C5201
C5208
1
CN501
PP501
R5104
R5204
C5206
R5211
C5108
C5101
L7001
C5106
C5204
C5205
X7002
C7010
K7001
C5206
C5303
WR501
C5105
C7023
C5104
J5302
J5301
CN705
J5303
CN708
CN703
J5302
J5301
C5307
J5303
CN705
CN708
CN703
C5112
C5308
R7004
R7003
C7022
R7055
R7049
R5106
C7007 C7008
Q5302
R5107
C7004
C7003
Q7001 Q7002
R5302
C5309
C7023
R7001 R7002
R5304
C5111
C5211
C5304
WR501
C5108
C5106
IC501
R5111
C5104
C5204
R5303
C5105
C5205
R5301
Q5301
R5208
R5108
C5303
R5105
R5202
Q5101
K7001
R7056
Q7003
R7058
X7002
R7057
R7059
R7061
R7060
C7006
C7005
D7001
L7001
R7062
C5212
Q5201
R5101
R5205
R7048
C7002
X7001
R7045
C7010
R7053R7054
R5206R5207
C7001
R7063
C5101
R5201
R7064
C5208
R7065
R5102
R7066
R7037
C5110
C5201
C7009
R7046
R7067
R7036
R7068
R7038
C7011
C7018
C5302
R7034
J6001
R7039
L7002
C5109
D5301
R7032
C7021
R7040
Q7009
R7030
R7047
R7074
R5110
R7081
R7076
R7028
C6159
D7010
R7078
R7077
R7027
D7004
D7005
Q7010
C5210
C5209
C5301
R7079
Q7011
R7031
R7033
R7035
C5207
R5109
R5209
R5210
C5107
C5102
C7016
R7016
R7070
R5203
R7029
R7071
R7013
R5103
R7018
C7015
R7075
R7073
CN704
R6002
R7072
C5202
C6012
C5103
C5203
R5305
R7080
TH701
C7017
R7007 R7008
R7006
R7069
C6011
C6010
D6001
C6063
R6069
C6064
C6065
C6252
R6021
R6202
C6017
R6257
R7015
R7014
R7012
R7011
R7010
R7009
R6203
R7020
C6018
R7026
R7025
R7019
R7017
PP502
R6201
R7022
R7021
C5310
C6020
R7024
R7023
R6001
R6009
R6253
R6061
R6063
R6064
R6255
C6028
C6254
C6253
R6007
C6019
R6254
C6001
C6009
C6023
R6258
C6051C6052
Q7007
C6006
C6007
C6061
C6008
C6029
R6256
X6051
CN707
C6021
C6072
R6024
R6025
R6005
R6006
R6072
C6071
R6059
C6158
R6060
C6157
C6203
C6154C6156
C6030
C6083
Q7008
R6071
C6062
C6005
R6010
R6012
C7114
C7112
CD servo board (Reverse side)CD servo board (Forward side)
CN706
Q6201
C6014
R6008
R6251
R6204
5
4
3
2
CN605
B6001
D6032 D6033D6500
C6199
1
C6075
R6205
K5302
C5306
C5305
C6003
C6202
K5301
C6201
C7120
C6251
R6252
C7119
Q6001
C6022
C6015
C6016
W5001
CN502
C6055
IC601
C6058
R6014
C6002
R6041
R7052
R6015
R6028
Q7006
R6026
C6090
R6013
R6049
R7050
C7019
C6053
C6089
R7051
C7012
R6043
R6044
Q7004
R6016
R6050
D7007
R7042
Q7005
C6098
R6047 R6048
C7020
R7044
R7005
R6051
R6052
R6053
R6054
R6056
R6057
R6058
CN603
R6040
D7006
R7043
C6073
D7002
R7041
C6096
C6081
D6061
D7003
R6045
R6067
R6046
D6062
D6063
C6080
R6042
C6076
S8022
R6145
C6031
C6094
R6066
C7013
D7009
CN701CN702
R6146
S8021
R6068
C6091
C6092
C6034
CN804
C6140
C6097
R6031
W8004
IC702
R6032
Q6031
C6032
D7008
R6033
Q6500
C7014
CN605
D6031
K6051
C6199
IC602
R6500
C6033
C6099
D6033
B6001
D6032
D6500
Note:/d4/n/lvb10251/001a/10251
FS-SD550R/FS-SD770R/FS-SD990R
2-8
Note:/d4/n/lvb10251/001a/10251
FS-SD550R/FS-SD770R/FS-SD990R
HABC DEFG
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