Sharp DV-RW250H (serv.man5) Service Manual ▷ View online
AV IN/OUT/TUNER/Hi-Fi BLOCK DIAGRAM
F-11
F-12
TU AUDIO L
VCR AUDIO L
CP8301
10
12
14
REAR AUDIO R
REAR AUDIO L
TU AUDIO R
16
18
20
VCR AUDIO R
FRONT AUDIO L
FRONT AUDIO R
F/R Y IN
8
6
4
F/R C IN
2
U/B_OUT
BS/TU V IN
CP8302
10
14
CVBS_OUT
Y/G_OUT
16
18
20
V/R_OUT
AUDIO_L_OUT
AUDIO_R_OUT
6
4
CVBS_IN
2
MUTE
CP8303
17
18 ZERO
SPDIF
VADDIS INT
IIC DATA
13
12
11
IIC CLK
10
5
6
7
MPEG-DATA OUT
MPEG-DATA IN
MPEG CLK
9
RESET
SWD_AUDIO-R
SWD_AUDIO-L
FRONT_A_IN_L
FRONT_A_IN_R
MP_DATA OUT
MP_DATA IN
MP_CLK
MPEG_RESET
21PIN IN/OUT
OPERATION/
DISPLAY
DISPLAY
Q8308
BUFFER
Q8309
BUFFER
73
75
HI-FI/AUDIO/CANAL SW IC
IC701 LA726465SN-MPB
4
76
11 71 9
51 53
7
38
69
39
27 26 24
40 49 17
80
78
6
HIFI_AUDIO_OUT-R
HIFI_AUDIO_OUT-L
DEC_AUDIO-R
DEC_AUDIO-L
NORNAL_A_OUT
NORNAL_A_IN
HIFI_REC.MUTE
AUDIO_MUTE-H
HIFI_H.SW
HF1
HF_COM
HF2
HF2
7
1
3
5
AMP IC702
NJM4580M(TE1)
NJM4580M(TE1)
DVD_AUDIO-L
DVD_AUDIO-R
ST-SRESET
AFT-S.CURVE
IIC_DATA
IIC_CLK
SYNC.DET
FRONT_Y_IN
FRONT_C_IN
VCR/TU_V_IN
V(PR)V OUT
21PIN IN/OUT
U(PB)V OUT
Y(G)V OUT
DVD_VIDEO_OUT
SWD VIDEO
4
16
14
19
7
5
17
TU301
5
6
2
Q8311
BUFFER
X802
18.432MHz
18.432MHz
31 30
12 13 22
NICAM/A2
IC801
MSP3417G-QG-B8
IC801
MSP3417G-QG-B8
Q302
BUFFER
2
1
X301
CSB500E5
6
10
SYNC DET IC
IC301
LA7210
IC301
LA7210
9
Q301
BUFFER
P.CON+12V
SPDIF
NADDIS INT
Q8312
MUTE SW
Q8310
MUTE SW
Q701
Q702
Q702
MUTE SW
Q703
AUDIO MUTE
Q704
AUDIO MUTE
TUNER+32V
REGULATOR
SYSCON
21PIN IN/OUT
21PIN IN/OUT
Y/C/AUDIO/
HEAD AMP
HEAD AMP
Y/C/AUDIO/
HEAD AMP
HEAD AMP
SYSCON
SYSCON
DVD_VIDEO_OUT
TU_VIDEO_OUT
Y/C/AUDIO/
HEAD AMP
HEAD AMP
Q8303
A MUTE
MPEG_CLK
MPEG_DATA
21PIN IN/OUT
CH_A_MUTE-H
TU_VIDEO_OUT
23
HIFI_ENV.DET
Q8305
A MUTE
2
6
8
SYSCON
AGC DET
RF_AUDIO_OUT
PERI_VIDEO_OUT
PERI_VIDEO_OUT
21PIN IN/OUT BLOCK DIAGRAM
F-13
F-14
AV IN/OUT/
TUNERT/HI-FI
TUNERT/HI-FI
V(PR) V OUT
AV SWITCHES IC
IC8001 LA73026AV
IC8001 LA73026AV
10
11
15
16
36
33
30
26
25
DVD_AUDIO-L
HI-FI_AUDIO OUT-R
HI-FI_AUDIO OUT-L
AV IN/OUT/
TUNER/HI-FI
TUNER/HI-FI
DEC_AUDIO-L
SWD_AUDIO-R
SWD_AUDIO-L
DEC_AUDIO-R
41
19
20
24
22
23
2
15
7
DVD AUDIO OUT COAXIAL
J8002
3
2
1
13
11
3
6
27
40
44
42
37
17
34
31
28
23
1
32
28
36
IIC_CLK
IIC_DATA
7
18
DVD_VIDEO_OUT
DVD_AUDIO-R
SYSCON
4
1
6
2
TU/DVD VIDEO SW IC
IC8003 MM1506XNRE
IC8003 MM1506XNRE
J8001
20
8
37
29
16
4
1
6
2
TU/DVD VIDEO SW IC
IC8004 MM1506XNRE
IC8004 MM1506XNRE
4
1
6
2
TU/DVD VIDEO SW IC
IC8005 MM1506XNRE
IC8005 MM1506XNRE
REG SW
Q8012
Q8005
BLAKING OUT
Q8008, Q8013
REG SW
5
5
2
40
39
Y(G) V OUT
U(PB) V OUT
SPDIF
BLAKKING-L
PERI_CTL_IN
35
21
22
SYSCON
6
4
1
TU/DVD VIDEO SW IC
IC8002 MM1501XNRE
IC8002 MM1501XNRE
7
3
1
VIDEO SW IC
IC8006
NJM2534V
IC8006
NJM2534V
4
2
7
1
3
VCR/TUNER
VIDEO SW IC
IC8007
NJM2534V
VIDEO SW IC
IC8007
NJM2534V
4
2
Q8015
BUFFER
CH _V_MUTE-H
FRONT_V_SW-H
VCR_DUB-H
VCR/TU_V_IN
TU_VIDEO_OUT
SWD VIDEO
FRONT_V_IN
AV IN/OUT/
TUNERT/HI-FI
TUNERT/HI-FI
OPERATION/
DISPLAY
DISPLAY
P_MUTE-H
OSD_VIDEO_OUT
Q8004
MUTE SW
19
AT+12V
SWD VIDEO
Y/C/AUDIO/
HEAD AMP
HEAD AMP
PERI_VIDEO_OUT
Q8001
MIXER
Q8002
MIXER
ALC
Q8003, Q8007,
Q8010
Q8010
RF AUDIO OUT
Q502
Q501
CONTROL
SW.
T501
14
4
2
PHOTO COUPLER
IC503
PS2561L1-1-V(W)
IC503
PS2561L1-1-V(W)
L501
AC IN
D505, D506
D502, D503
D502, D503
6
11
16
15
14
13
12
9
8
7
6
5
4
2
HEATER+
HEATER-
-22V
TUNER+32V
P.FAIL
DRIVE ON H
UNREG+3.3V
UNREG+3.3V
AT+5.2V
AT+5.2V
AT+13V
MOTOR+12V
CP502
REGULATOR
4
1
P.CON+D5V
P.CON+12V
CP504
DVD LOADER UNIT
18
DRIVE 12V REG
IC502
KIA278R12PI
IC502
KIA278R12PI
1
2
IC501
TL431AILP
TL431AILP
VOLTAGE
CTL. IC
CTL. IC
3
1
3
4
1
2
12
13
16
1
P.CON+12V
CP506
15
Q505
DRIVE
5V SW.
5V SW.
FAD MOTOR
Q503
SAFTY SW.
F-15
F-16
4
Q504
SAFTY SW.
POWER BLOCK DIAGRAM
1
MOTOR+27V
19
R4049
R4048
R4032
R4020
C4071
C7339
C7365
C4041
R4008
R4108
R4117
B4006
R4068
C4009
R7338
C4013
C4100
R4116
C4017
C7307
C4086
C4002
C4088
C4066
C4140
R4093
C7308
C4153
C7340
R4123
C7364
C4012
C4152
R7331
C4139
C4087
R4100
C4110
C4069
C4027
L7302
C7358
C4033
C7330
C7312
C4030
C4064
R4017
C7318
C7323
C4065
R7337
R4072
C4045
R7304
C4099
IC4007
C4043
B7305
C4024
R4137
R7325
R4124
C4021
R4136
R4070
C4026
R4006
C7360
L7308
L7309
C4015
C7303
R4064
R7307
R4057
C4080
C4003
C7316
C4095
C4141
R4094
R4129
C4156
B7307
C7342
C4125
R4104
R4009
R4012
C4150
R4010
R4115
R4114
C7302
C4155
C4078
C4123
C7313
R4130
B7304
L7303
R7333
C4040
C7362
R4011
IC4008
C7349
C7366
C4036
R4121
R4087
R7332
R7342
R4127
R4120
R4014
R4007
B4002
R4095
C4079
C4105
C4154
R7336
C4046
C4074
C4005
C4062
R4088
C4067
R7341
C4072
C7343
C4014
R4035
C4020
C7368
B7306
R4105
R7340
R7303
R4019
C4138
R4082
C4044
R4043
L7306
R7324
C4022
C4034
C7321
R4135
C4029
R4090
R4106
L7305
R4003
C4028
C4075
R4086
R4080
C7361
R7339
C4085
R7334
C4018
C4068
C4063
R4005
R7335
C4023
R4119
C7359
R7314
C4122
R4023
C4089
R4078
C7345
R4074
C4090
C4025
R4018
R4084
R4085
R4076
R7313
C7348
C4091
R7302
R4122
C4084
C4151
C7319
L7307
R4030
IC7302
R4034
R4118
C4101
R5719
C7317
C4119
C4032
C4073
C7344
C7363
C4070
C4042
C4038
R4134
C4146
NR4001
NR4006
NR4007
NR4004
NR4003
NR4008
C4164
C4160
C4159
C7337
C7338
B7301
C7334
C7331
C7328
C7326
C7327
C7324
C7309
R7311
C4082
C4083
R7358
R7362
C7371
C7373
C7372
C7375
C7376
C7374
IC4006
208
10
54
20
297
316
2
40
39
7
8
54
20
1
18
1
2
0
1
4
MPEG
VMD340A
NTSC/PAL
REFLOW
DV
ENC.
A/D D/A
1
2
3
4
5
48
E
G-1
G-2
1
53
105
157
37
1
13
25
1
297
316
20
C4147
R4109
IC4010
R4059
R4021
C4035
C4008
C4007
R4103
R4102
R4079
C4137
IC4003
C4121
B4001
R4033
C4004
R4039
R4046
C4107
R4055
IC4009
C4117
R4075
C4052
C4006
C4097
R4026
R4029
R4071
CP7304
C4136
R4041
C4061
C4144
C4001
R4077
C4128
C4109
IC4004
R4036
B4005
R4022
R4001
B4003
IC4001
CP4001
CP4007
R4098
C4056
R4091
C4076
IC4002
C4113
R4056
R4131
R4028
R4101
C4135
R4132
C4060
C4145
R4066
C4106
X4001
C4104
C4081
C7370
R4058
R4031
C4016
R4052
R4113
C4059
C4077
C4116
R4089
C4037
R4099
R4015
R4069
B4004
C4039
R4133
C4114
R4062
C4142
C4019
IC4005
R4097
R4024
C4011
C4118
R4047
R4027
R4063
C4120
R4092
R4083
C4047
C4010
C4143
C4058
C4057
C4051
C4093
CP7301
R4025
C4115
R4081
CP7303
C4108
R4073
C4048
C4092
C4050
B4007
R4067
C4031
C4054
R4016
CP7302
R4060
R4061
C4103
R4044
C4096
C7367
C4102
R4040
C4053
C4094
C4049
C7369
C4055
C4130
C4129
C4134
NR4002
NR4005
C4158
C4161
C4157
C4163
C4162
IC7301
R7318
C7341
R7319
C7346
C7347
R7320
R7321
C7350
R7322
C7351
R7323
C7352
R7326
C7353
R7327
C7354
C7336
C7329
C7325
C7332
C7322
C7306
R7301
R7306
R7306
C7305
R7312
R7315
C7310
R4110
C4098
R4139
R4126
R4140
C7355
C7357
C7356
Q7301
C4165
B4008
PRINTED CIRCUIT BOARDS
DVD/HD MPEG (TOP SIDE)
DVD/HD MPEG (BOTTOM SIDE)
G-1
G-2
Click on the first or last page to see other DV-RW250H (serv.man5) service manuals if exist.