Sharp CD-BK2100V, Руководство по обслуживанию

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CD-BK2100V
52 MWE Output DRAM write enable signal.
53 MCAS Output DRAM column address strobe signal.
54-56 MD7-MD5 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).
57 GND — Ground
58-62 MD4-MD0 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).
63 VDD — Digital supply.
64 GND — Ground
65-68 MD15-MD12 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).
69 GND — Ground
70-73 MD11-MD8 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).
74 GND — Ground
75 VDD — Digital supply.
76 GND — Ground
77* — — Not used
78* VCLK Output Synchronized signal generating signal
79* CSYNC Output Synchronized signal generating signal
80* NSYNC Output Synchronized signal generating signal
81*,82* — — Not used
83 VDD — Digital supply.
84 AVDD — Analog power supply
85 CBP1 Output 3CH Video D/A signal
86 VOUT1 Output 3CH Video D/A signal
87 CBP2 Output 3CH Video D/A signal
88* VOUT2 Output 3CH Video D/A signal
89 CBP3 Output 3CH Video D/A signal
90* VOUT3 Output 3CH Video D/A signal
91 AGND — Analog power supply
92 VDD — Digital supply.
93* — — Not used
94 GND — Ground
95 CDC2PO Input CD data input
96 CDEMPH Input CD data input
97 CDLRCK Input CD data input
98 CDBCK Input CD data input
99 CDI Input CD data input
100 GND — Ground
ICV2 VHiD61012GC-1: MPEG Decoder (D61012GC) (2/2)
Pin No. Function Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.