Sony HCD-FR1 - Dvd Home Theater System, Service Manual

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HCD-FR1/FR8/FR9
Pin No. Pin Name I/O Description
95 MD27 I/O SDRAM data
96 GND25 — Ground terminal (SDRAM I/O signal)
97 MDQM3 O Byte read /write mask signal 3 output
98 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
99 MD28 I/O SDRAM data
100 MD29 I/O SDRAM data
101 MD30 I/O SDRAM data
102 MD31 I/O SDRAM data
103 GND25 — Ground terminal (SDRAM I/O signal)
104 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
105 VCLK I/O System clock (not used)
106 I2C_CTRL — Not used
107 VS O S1 signal output
108 I/P SW O Progressive/interlace switch signal output (not used)
109 GPIO1 (5) — Not used
110 GPIO1 (4) — Not used
111 VDDP — Power supply terminal (+3.3V) (I/O signal)
112 GNDP — Ground terminal (I/O signal)
113 GPIO1 (3) — Not used
114 GPIO1 (2) — Not used
115 GPIO1 (1) — Not used
116 HIRQ2_ I Busy signal input from the EEPROM (IC203)
117 VDAC_4B — Video DAC bias bit 4 (connected to the ground)
118 VDAC_VDD4 — Power supply terminal (+3.3V) (Video DAC 4)
119 VDAC_4 O VDAC output 4
120 VDAC_3B — Video DAC bias bit 3 (connected to the ground)
121 VDAC_VDD3 — Power supply terminal (+3.3V) (Video DAC 3)
122 VDAC_3 O VDAC output 3
123 VDAC_2B — Video DAC bias bit 2 (connected to the ground)
124 VDAC_VDD2 — Power supply terminal (+3.3V) (Video DAC 2)
125 VDAC_2 O VDAC output 2
126 VDAC_1B — Video DAC bias bit 1 (connected to the ground)
127 VDAC_VDD1 — Power supply terminal (+3.3V) (Video DAC 1)
128 VDAC_1 O VDAC output 1
129 VDAC_0B — Video DAC bias bit 0 (connected to the ground)
130 VDAC_VDD0 — Power supply terminal (+3.3V) (Video DAC 0)
131 VDAC_0 O VDAC output 0
132 VDAC_DVSS — Ground terminal (Video DAC digital system)
133 VDAC_DVDD — Power supply terminal (+3.3V) (Video DAC digital system)
134 VDAC_REFVDD — Power supply terminal (Video DAC reference)
135 VDAC_REF I Reference voltage input terminal(for Video DAC)
136 VDAC_REFVSS — Ground terminal (Video DAC reference)
137 XVSS — Ground terminal (crystal oscillator)
138 XOUT O Crystal oscillation signal output
139 XIN I Crystal oscillation signal input
140 XVDD — Power supply terminal (crystal oscillator)
141 AVSS2 — Ground terminal (analog PLL)