Sony HCD-MD515 - Component For Dhcmd515 Service Manual page 61

Pin No. Pin Name I/O
49 LDON O
50 MOD O
51 LDIN O
52 LDOUT O
53 LD-LOW O
54 PROTECT I
55 REFLECT I
56 PACK-IN I
57 PACK-OUT I
58 CHUCK-IN I
59 LIMIT-IN I
60 REC. P I
61 PB. P I
62 +3.3V —
63 —
64 GND —
65 to 72 —
73 HEAD SW UP I
74 HEAD SW DOWN I
75 HEAD UP O
76 HEAD DOWN O
77, 78 —
79 SDA I/O
80 SCL O
81 I
82 I
83 MODE I
84, 85 I
86 REC/PB O
87 DOUTXMUTE O
88 to 90 I
91 KEY0 —
92 KEY1 —
93 KEY2 —
94, 95 I
96 AVSS —
97 I
Laser diode ON signal output terminal "H":laser diode ON
Laser modulation select signal output
Playback power: "L", Stop: "H",
Recording power:
0.5 sec
2 sec
Loading-in signal output terminal Not used (open)
Loading-out signal output terminal Not used (open)
Loading motor voltage control signal output to the loading motor driver Not used (open)
PROTECT switch (S683) detect signal input terminal "H": protect
REFLECT switch (S682) detect signal input terminal "L": high reflection rate disc, "H": low reflec-
tion rate disc
MD PACK IN switch detect signal input terminal Not used (fixed at "H")
PACK OUT switch detect signal input terminal Not used (fixed at "H")
CHUCKING IN switch detect signal input terminal Not used (fixed at "H")
LIMIT-IN switch (S681) detect signal input terminal The optical pick-up is inner position when "L"
REC POSITION switch detect signal input terminal Not used (fixed at "H")
PB POSITION switch detect signal input terminal Not used (fixed at "L")
Power supply terminal (+3.3V)
Not used (fixed at "L")
Ground terminal
Not used (fixed at "L")
Over write head up switch (S6) detect signal input terminal "L":active
Over write head down switch (S7) detect signal input terminal "L":active
Over write head UP/DOWN motor (M905) control signal output terminal *1
Over write head UP/DOWN motor (M905) control signal output terminal *1
Not used (fixed at "L")
Two-way data bus for the EEPROM (IC171)
Clock signal output to the EEPROM (IC171)
Not used (fixed at "L")
Not used (fixed at "H")
Input terminal for setting MD single or changer mode "L":single mode, "H":changer mode (fixed
at "H" in this set)
Not used (fixed at "L")
REC/PB status control signal output terminal Not used (pull down)
Mute control signal output terminal Not used (pull down)
Not used (fixed at "L")
Key signal input terminal Not used (fixed at "H")
Key signal input terminal Not used (fixed at "H")
Key signal input terminal Not used (fixed at "H")
Not used (fixed at "L")
Ground terminal
Not used (fixed at "L")
– 97 –
Function