Aiwa HT-DV2300 Service Manual page 52

IC DESCRIPTION -3/3 (HDC25D811B -4/6)
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Pin No. Pin Name
124 GND
125 ADAT
126 BCLK
127 EXCK
128 AGND
129 SQCK
130 AVDD
131 C16M
132 COUT
133 GND
134 PWMCH1
135 PWMCH2
136 PWMCH3
137 XTO
138 XTI
139 PWMCH4
140 PWMCH5
141 PWMCH6
142 VDD
TE
143 FG1
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144 FG2
145 GND
146 DVDC16M
147 DVDLRCK
148 DVDADAT
149 DVDBCLK
150 TZC
151 MIRR
152 FOK
153 DEFECT
154 FG
155 C_SIG
156 HINT
157 VDD
158 GND
159 AGND
160 AGND
161 VRT
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162 AVDD
163 AVDD
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164 AD6_REFB
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I/O
- GND : PLL
O Audio DAC Audio data Output
O Audio DAC FS48 Output
I CD Sub Data Request clock
- AGND : PLL
I CD SubQ data Request clock
- AVDD : PLL
O CD Audio DAC FS384 Output(16.9344MHz)
O CNIN Signal
- GND
O PWM CHANNEL1(x3 CARRIER)
O PWM CHANNEL1(x3 CARRIER)
O PWM CHANNEL1(x3 CARRIER):SLED DRIVE OUTP
O Inverted 33.8688MHz
I 33.8688 MHz
O PWM CHANNEL1(x1 CARRIER):PDO_CTR PWM OUT
O PWM CHANNEL1(x1 CARRIER):RF_GAIN_CTL PWM
O PWM CHANNEL1(x1 CARRIER):TE_BAL_CTL PWM
- VDD
I SLED ENCODER1 INPUT
I SLED ENCODER2 INPUT
- GND
I DVD FS384 INPUT
I DVD FS INPUT
I DVD Audio data INPUT
I DVD FS48 INPUT
I TRACK CROSS PULSE 2 INPUT
I TRACK CROSS PULSE 1 INPUT
O INTERNAL GENERATED FOK(Focus OK) H=OK
O INTERNAL GENERATED DEFECT : H=DEFECT
O (SL_ENC1) XOR (SL_ENC2)
O TRACK CROSS PULSE
O SERVO DSP INTERRUPT
- VDD : ADC6BIT
- GND : ADC6BIT
- Analog GND : ADC6BIT
- Analog GND : ADC6BIT
I 6 bit ADC TOP voltage
- Analog VDD : ADC6BIT
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- Analog VDD : ADC6BIT
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I 6 bit ADC REF BIAS
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Description
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