Pioneer PDR-04 - Manual (Page 74)

PDR-04
(2) "External Port’'-output from PDJ006A (SERVO UCOM BOARD ASSY : IC207)
(External RAM area (8000H to 8FFFH)
Pin No. Mark Name I/O initial Function
45 POAO LDPWO 0 L LSB —
46 POA1 LDPW1 0 L
47 POA2 LDPW2 0 L — 5 bit (D/A out) recording laser power output setting
49 POA3 LDPW3 0 L
50 POA4 LDPW4 0 L MSB —
51 POA5 SSEL 0 L "L" when tracking error envelope (detection is reset
52 POA6 — 0 L Not used
53 POA7 LJUMP 0 L "H" during N track jump
54 POBO LIN 0 L "H" during loading close
55 POB1 LOUT
о
L "H" during loading open
56 POB2 KOJK 0 L Optical axis switching circuit ON/OFF
57 POB3 EECS 0 L EEPROM data writing and reading enable output
59 POB4 — 0 L Not used
60 POB5 FC^OST 0 L Focus offset switching output. During search: L Other than search: H
61 POB6 STCNl 0 L Strategy control output 1
62 POB7 STCN2 0 L Strategy control output 2
63 POCO TEGO 0 L LSB —
64 POC1 TEG1 0 L
—Tracking error amplifier gain adjustment
65 POC2 TEG2 0 L
66 РОСЗ TEGM 0 L MSB —
67 POC4 DIRC
о
H "L" when SONY servo 1C DIRC is output
69 POC5 XCDMIR 0 H Mirror detection circuit selection SW CD_ R/"~ CD
70 POC6 XLDON 0 H Laser diode OFF/ ON
71 POC7 AMUTE /-Ч H
Audio final stage mute H (According to mode controller instructions)
о
Turns mute ON during REC PAUSE, when input selector is switched, and during STOP
PDR-04 switches the record EFM in accordance with the
characteristic of OD-R disc.
Pulse has four varieties (strategy) which is controlled by
strategy control output 1 and 2 (STCNl, STCN2).
Logical setting table of STCNl and STCN2
STCNl STCN2 strategy Type
0 0 EFM1
0 1 EFM2
1 0 EFM3
1 1 EFM4
Note) In the Test mode, ‘EFM2* is selected only.
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