Sequence After The Power On - Pioneer CDJ-1000 Service Manual

CDJ-1000
7.1.6 SEQUENCE AFTER THE POWER ON
Power ON
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IC201 (System CPU) Reset
63 pin (XRST) > H
1C601 (FPGA} Program download start
106 pin (XPROGRAM) : H
4601 (FPGA) download end
104 pin (DONE) : H
1C401 (DSP1),IC501 (DSP2)
Program download
1C300 (Mecha Control) Pin 63 (XMRST)
{C1101 (Display CPU) Pin 10 (/RST)
Reset release
Focus offset and Traking offset
Adjustment.
Laser Diode ON
Spindol ON
Focus UP/DOWN
Disc existence check by detecting the Focus S curve signal.
{ Disc exist
Unloadi
Spite 20th
Focus ON
No disc
H
Focus Position adjustment (TE MAX)
Traking Balance adjustment
OFTR Stice level adjustment
Tracking ON
Focus Position adjustment
(RFENV MAX)
Focus Gain adjustment
Tracking Gain adjustment
TOC read Less than 30 minutes
i
+ 30 minutes or more
sbi measurement 8 cm Adapter detection
Search for 00 min 01 sec
00 min 01 sec
Spindie: 3100rpm
Audio Data read start
nt
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CDJ-1000
7.2 PARTS
7.2.1 1C
HE NJM2903D (JFLB ASSY : IC 1202)
¢ Comparator
@ Block Diagram
1. A OUTPUT
2. A-— INPUT
3. A+ INPUT
4. GND
. B+ INPUT
. B- INPUT
. B OUTPUT
oe
ONO
i UPD16306B (JFLB ASSY : 1C1201)
* Output VFD Driver
@ Block Diagram
64-bit shift register 64-bit latch
Note High-voltage CMOS drivers (80 V, +50 mAmx) ;
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