SERVICE MANUAL
RoadstarDVD-2010H
Page 1: ...SERVICE MANUAL Roadstar DVD 2010H...
Page 2: ...GB CVBS Y C andYUV outputs with 10 bit DACs Macrovision 7 01 6 1 compatible SharedSDRAMmemoryinterface Supports one or two 16Mbit or one 64Mbit 125 MHZ SDRAMs Programmable CPU memory interface for SDR...
Page 3: ...lock data chip select The infra red remote control signal is passed directly to the STi5519 for decoding 1 5 OUTPUTS There is no separate rear panel for outputs They are embedded into the mainboard Su...
Page 4: ...VS S DAC_S CLK DAC_PCMOUT0 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 1...
Page 5: ...ort 2 Bit 5 Port 2 Bit 6 Port 2 Bit 7 204 205 206 207 208 1 2 3 SC1_DATA PARA_REQ RXD1 PARA_STR SC1_CLK SC1_RST SC1_CMD_VCC DAC_DATA SC1_DATA_DIR SC1_DETECT FPCLK Front Panel FS0 for PLL1700 FS1 for P...
Page 6: ...losed Captions CGMS or Teletext encoding and allows Macrovision 7 01 6 1 copy protection The encoder supports both master and slave modes for synchroniza tion The buffered CVBS video is available on a...
Page 7: ...read The STI5519 can control this chip directly using PIO pins or can allow the front panel PIC to control the VFD 11 MISCELLANEOUS FUNCTIONS 11 1 RESET CIRCUITRY Two different chips are supported to...
Page 8: ...22V is decreased about 5 6V and connected to the filament winding to pro duce the DC offset for the filaments Transistor Q3 and zener diode D18 are used to regulate 12 Volts This voltage is used to f...
Page 9: ...de the signal which is transmitted out via JK3 RCA jack Audio outputs are on JK1 Q145 through Q148 are used to suppress the noises during turn on and turn off There are two op amps in each IC18 IC19 a...
Page 10: ...TL431 PC 1 000 D14 30001731 FUSE 2 5A 250V 5 20MM PC 1 000 F1 30010501 R C DVD BLACK PC 1 000 30010700 DIODE BYV28 200 3 5A 200V 90A PC 1 000 30010798 IC TOP223Y PC 1 000 IC3 30011787 POWER CORD ASSY...
Page 11: ...3 IC CQY80NG OPT COUPLER PC 1 000 IC2 30001506 IC TL431 PC 1 000 D14 30001731 FUSE 2 5A 250V 5 20MM PC 1 000 F1 30010501 R C DVD BLACK PC 1 000 30010700 DIODE BYV28 200 3 5A 200V 90A PC 1 000 30010798...
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