Pioneer DV-2850S Service Manual page 73

5
No. Pin Name I/O
239 ADCVDD3 – Analog 3.3V Power for ADC
240 NC – –
241 ADCVSS – Analog ground for ADC
– –
242 NC
243 NC – –
244 RFVDD3 – Analog Power
RF ripple detect output
245 RFRPDC O
246 RFRPAC I RF ripple detect input (through AC-coupling)
247 HRFZC I High frequency RF ripple zero crossing
248 CRTPLP O Defect level filter capacitor connecting
5
6
Pin Function No.
249 RFGND
250 NC
251 NC
252 OSP
253 OSN
254 RFGC
255 IREF
256 AVDD3
DV-2850-S
6
7
Pin Name I/O
– Analog Power
– –
– –
O RF Offset cancellation capacitor connecting
O RF Offset cancellation capacitor connecting
O RF AGC loop capacitor connecting for DVD-ROM
I Current reference input. It generates
reference current for RF path. Connect
an external 15K resistor to this pin and
AVSS
– Analog power 3.3V
7
8
Pin Function
73
8
A
B
C
D
E
F