Philips SACD 1000/001 Service Manual page 102

GB 146 9. SACD 1000
IC-Pin_no Name
119 DSD_PCM_0
120 DSD_PCM_1
121 DSD_PCM_2
122 DSD_PCM_3
123 VCC_IO
124 GND_IO
125 DSD_PCM_4
126 DSD_PCM_5
127 DSD_PCM_6
128 DSD_PCM_7
129 DSD_PCM_8
130 DSD_str(0)
131 DSD_str(1)
132 dsd_clk
133 VCC_IO
134 GND_IO
135 PCM_LeRi_Out
136 PCM_wclk_Out
137 fs_256_sacd
138 mute_tot
139 fs_256_dvd
140 RESETn
141 D_cke
142 PCM_clk_Out
143 VCC_CORE
144 GND_CORE
145 PCM_mute_in
146 IEC958_in
147 IEC958_Out
148 VCC_IO
149 CLK
150 GND_IO
151 GP_out_pin (0)
152 GP_out_pin (1)
153 GP_out_pin (2)
154 GP_out_pin (3)
155 Prog_clk_sys
156 Prog_clk_384
157 Pll_lock
158 VCC_IO
159 clk_384
160 GND_IO
161 Pll_sync
162 Psp_enable
163 75hz_pulse
164 Ssm_act
165 Lld_mute
166 Play
167 mute_det
168 Fade_busy
169 Do_grab
170 VCC_CORE
Circuit-, IC descriptions and list of abbreviations
Type Function
O10 DSD data output signal. On 64 * Fs
Stereo : Left channel (channel 0)
MCA5/6 : front left ( channel 0) OR From PCM switch matrix
O10 Stereo : right channel (channel 1)
MCA 5/6 : front right ( channel 1)
OR From PCM switch matrix
O10 Stereo : mute sequence
MCA 5/6 : front centre ( channel 2) OR From PCM switch matrix
O10 stereo : mute sequence
MCA-5 : mute sequence
MCA-6 : LFE channel. (channel 3) OR From PCM switch matrix
IN 3.3V power supply IO
IN Ground
O10 Stereo : mute sequence
MCA-5 : left surround (channel 3)
MCA-6 : left surround (channel 4) OR From PCM switch matrix
O10 Stereo : mute sequence
MCA-5 : right surround (channel 4)
MCA-6 : right surround (channel 5) OR From PCM switch matrix
O5 DSD clock signal. OR From PCM switch matrix
O5 DSD stereo or down mix Left OR From PCM switch matrix
O5 DSD stereo or down mix Right OR From PCM switch matrix
O10 DSD stereo or downmix on DSD.
O10 DSD stereo or downmix on DSD.
O5 DSD clock for DSD stereo signal.
IN 3.3V power supply IO
IN Ground
O10 PCM data Left/Right to AV PCB
O5 PCM word clock
IN 256 * Fs audio clock generated for SACD ( Fs=44.1Khz)
O10 Selectable mute signal from PCM source or internal SACD source.
IN 256 * Fs audio clock generated for DVD (Fs=48 kHz)
IN Asynchronous Reset
O5 Clock enable output to SDRAM to enable the power down mode.
O5 256 * fs O10put./384 * Fs O10
IN 3.3V power supply Core
IN Ground(core)
IN PCM mute signal.
IN IEC958 input from Sti5505
O10 IEC958 O10put
IN 3.3V power supply IO
IN system Clock 27 Mhz
IN Ground
O10 General purpose out
O10 General purpose out
O10 General purpose out
O10 General purpose out
O10 Clock divide from system clock.
O10 Clock divided from 384 * Fs LLD clock.
O10 Indication that PLL is in lock
IN 3.3V power supply IO
IN DSD system clock 384*Fs = 16.934400Hz
IN Ground
O10 Sector sync found.
O10 If '1' PSP circuit is active
O10 75 Hz pulse to audio interface
O10 Indication new frame is being transmitted
O10 If '1' mute indication from audio interface
O10 If '1' Fade circuit is in LLD mode
O10 Mute 0x69 for all channels detection
O10 Indication that fade in/out is busy
O10 Active data out of LLD.
IN 3.3V power supply Core