Sony HCD-M80, Service Manual

Page: 48 / 94

48
HCD-M80
Pin No. Pin Name I/O Description
199 TMODE0 I
Selection signal input terminal for the test Not used
200 AUDDTI I
Serial audio data input terminal Not used
201 AUDDTO0 O
Serial audio data output to the digital filter
202 AUDDTO1 O
Serial audio data output terminal Not used
203 AUDBCK O
Serial audio bit clock signal (2.8224 MHz) output to the digital filter
204 AUDLRCK O
Serial audio L/R sampling clock signal (44.1 kHz) output to the digital filter
205 AUDXCLKO O
Serial audio clock signal output to the digital filter
206 CLKA I
Sub system clock input terminal (27 MHz)
207 CLKB O
Sub system clock output terminal (27 MHz)
208 VDD9 —
Digital power supply terminal (+2.5V) (for CD-DSP block)
209 THRCLK I
Clock signal input terminal for the test Not used
210 TESTEN I
Setting terminal for the test Normally: fixed at “L”
211 TCLK I
Clock signal input terminal for the test Not used
212 TMODE1 I
Selection signal input terminal for the test Not used
213 TRST I
Reset signal input terminal for the test Not used
214 VSS9 —
Digital ground terminal
215 V AVS1 —
Analog ground terminal (for D/A converter)
216 V AVD1 — Analog power supply terminal (+2.5V) (for D/A converter)