General Information - Pioneer VSX-D307 Service Manual

VSX-D307
7. GENERAL INFORMATION
7.1 PARTS
7.1.1 1C
¢ The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
- DSP IC
eBlock Diagram
24k bit DELAY RAM
COMPUTER
VF
SERIAL
DATA
VF
Analog SW.
CLOCK GENERATOR]
t-[pac3 +S | tam volo
69) XCOUT
'TIMING CIRCUIT
XTLI XTLO BFOT
ePin Function
Function
Monitor pin for test Normally, outputs "L".
Digital ground
Monitor pin for test Normally, outputs "L".
Test pin Normally, fix to L.
Digital power supply
Digital ground
Test pin Normal
Test pin Normal
Test pin Normal
Test pin Normal
Pin Name
ly, fix to "L".
y, fix to "L".
ly, fix to "L".
ly, fix to "L".
L: reset.
System reset input
Clock and divided frequency output (384/768/256/512 fs)
Norma'
Test pin ly, fix to "H".
Test pin Norma y, fix to "L".
Digital ground
Ground for L-ch D/A converter
Power supply for L-ch D/A converter
L-ch A/D converter output
Power supply for L-ch A/D converter
Ground for L-ch A/D converter
OP amp. inverting output for LPF of L-ch A/D converter
Analog input of L-ch A/D converter
Power supply for C-ch D/A converter
Ground for C-ch D/A converter
C-ch D/A converter output
Analog power supply for master clock
Crystal oscillation circuit output
36