Read Sharp DV-RW250H (serv.man3) Service Manual 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
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