Sharp CD-BP1450V, Service Manual

Page: 15 / 48

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CD-BP1450V
Figure 15 SCHEMATIC DIAGRAM (2/11)
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1
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
2
1
2
1
CDBCK
CDLRCK
CDEMPH
CDC2PO
AGND
VOUT3 VOUT2
VOUT1
CBP3 CBP2 CBP1
AVDD
HSYNC NSYNC CSYNC
VCLK
VCLK
CDI
MD8
MD9
MD10
MD11
GND
MD12
MD13
MD14
MD15
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MCAS
MWE
VDD
VDD
VDD
VDD
VDD
MRAS
MA0 MA1 MA2 MA3 VDD MA4 MA5 MA6 MA7 MA8 VDD AUDO AUEMPH AULRCK AUBCK AUCLK
INT
HDAK
RESET
VDD
HSELA
HSELX
HA
HWR
HRD
HCS
VDD
CKSEL
VDD
X2
X1
HD0
HD1
HD2
HD3
GND
GND
GND
GND
GND
GND
GND GND GND
GND
GND
GND
GND
GND
HD4
HD5
HD6
HD7
GND
VDD
VSS
DQ15
DQ14
DQ13
DQ12
VSS
DQ11
DQ10
DQ9
DQ8
LCAS
UCAS
OE
A8
A7
A6
A5
A4
VSS
VDD
A3
A2
A1
A0
RAS
WE
DQ7
DQ6
DQ5
DQ4
VDD
DQ3
DQ2
DQ1
DQ0
VDD
VIDEO SIGNAL
CD VIDEO PWB-B(1/2)
CHASSIS
GND
VIDEO OUT PWB-A4
RV49 3.9K RV50 3.9K
CV10
47/6.3
CV9
0.22
CV7
27P(CH)
XV2
XV2
27MHz
CV6
27P(CH)
CV11
0.22
RV64
47
RV95
6.8K
ICV4
NJM2267M
VIDEO
OPERATION AMP.
CV39
1000/6.3
CV40
22/6.3
CV41
4.7/25
RV96
33K
CV17 0.01
CV18 1000/6.3
RV61
100K
CV15
4.7/25
RV60
100
CV13
0.1
CV14
0.1
CV16
0.1
ICV2
D61012GC
MPEG DECODER
CV12
0.22
CV20
0.22
L63
0.82
CV23
47/6.3
CV25
0.22
ICV3
SDM4260C
DRAM
CV24
0.22
CNPV3
CNS902
RV63
150
RV62
150
CV22
47/6.3 CV19
0.22
CV21
0.22
D919
DS1SS133
D918
DS1SS133
JK902
VIDEO OUT