Sharp CD-PC1881V Service Manual page 53

ICV2 VHiD61012GC-1: MPEG Decoder (D61012GC) (2/2)
Pin No. Terminal Name Input/Output
52 MWE
53 MCAS
54-56 MD7-MD5
57 GND
58-62 MD4-MD0
63 VDD
64 GND
65-68 MD15-MD12
69 GND
70-73 MD11-MD8
74 GND
75 VDD
76 GND
77* VCLK
78* CSYNC
79* NSYNC
80* HSYNC
81*,82* —
83 VDD
84 AVDD
85 CBP1
86 VOUT1
87 CBP2
88* VOUT2
89 CBP3
90* VOUT3
91 AGND
92 VDD
93* —
94 GND
95 CDC2PO
96 CDEMPH
97 CDLRCK
98 CDBCK
99 CDI
100 GND
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Output DRAM write enable signal.
Output DRAM column address strobe signal.
Input/Output DRAM data bus.
MD15 = MSB, MD0 = LSB.
Internally pulled down. Pull down resistance is approx. 42 kohms.
Can quit this pull down with the MD_PD_OFF register (74H, b1).
— Ground
Input/Output TDRAM data bus.
MD15 = MSB, MD0 = LSB.
Internally pulled down. Pull down resistance is approx. 42 kohms.
Can quit this pull down with the MD_PD_OFF register (74H, b1).
— Digital supply.
— Ground
Input/Output DRAM data bus.
MD15 = MSB, MD0 = LSB.
Internally pulled down. Pull down resistance is approx. 42 kohms.
Can quit this pull down with the MD_PD_OFF register (74H, b1).
— Ground
Input/Output DRAM data bus.
MD15 = MSB, MD0 = LSB.
Internally pulled down. Pull down resistance is approx. 42 kohms.
Can quit this pull down with the MD_PD_OFF register (74H, b1).
— Ground
— Digital supply.
— Ground
— Not used
Output Synchronized signal generating signal
Output Synchronized signal generating signal
Output Synchronized signal generating signal
— Not used
— Digital supply.
— Analog power supply
Output 3CH Video D/A signal
Output 3CH Video D/A signal
Output 3CH Video D/A signal
Output 3CH Video D/A signal
Output 3CH Video D/A signal
Output 3CH Video D/A signal
— Analog power supply
— Digital supply.
— Not used
— Ground
Input CD data input
Input CD data input
Input CD data input
Input CD data input
Input CD data input
— Ground
Function
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CD-PC1881V