Sony HCD-MD515 - Component For Dhcmd515, Service Manual, Page: 64 / 110

– 100 –
57 LED CLR O Clear signal output terminal to LED driver Not used (open)
58 LED STB O Strobe signal output terminal to LED driver Not used (open)
59 LED CLK O Clock signal output terminal to LED driver Not used (open)
60 LED DATA O Data output terminal to LED driver Not used (open)
61 FS32 O LED drive signal output terminal for sampling frequency (FS32) indication Not used (open)
62 FS44 O LED drive signal output terminal for sampling frequency (FS44) indication Not used (open)
63 FS48 O LED drive signal output terminal for sampling frequency (FS48) indication Not used (open)
64 CONTINUE O LED drive signal output terminal for CONTINUE indication Not used (open)
65 SHUFFLE O LED drive signal output terminal for SHUFFLE indication Not used (open)
66 PROGRAM O LED drive signal output terminal for PROGRAM indication Not used (open)
67 LED CD SYNC O LED drive signal output terminal for CD SYNC indication Not used (open)
68 LED REC IT O LED drive signal output terminal for REC IT indication Not used (open)
69, 70 NC I Not used (fixed at “L”)
71 VSS – Ground terminal
72, 73 NC I Not used (fixed at “L”)
74 to 81 PWM0 to PWM7 I PWM input terminal (fixed at “L” in this set)
82 LOADING IN O Motor control signal output terminal to the minidisc loading motor (M903) *1
83 LOADING OUT O Motor control signal output terminal to the minidisc loading motor (M903) *1
84 ELEVATOR UP O Motor control signal output terminal to the minidisc elevator UP/DOWN motor (M904) *2
85 ELEVATOR DOWN O Motor control signal output terminal to the minidisc elevator UP/DOWN motor (M904) *2
86 HOME SW I Detection input from the home position detect switch (S8) “L”: home position
87 DISC1 SW I Detection input from the disc (DISC1) in detect switch (S1) “L”: disc in
88 DISC2 SW I Detection input from the disc in detect switch Not used (fixed at “L”)
89 DISC3 SW I Detection input from the disc (DISC2) in detect switch (S3) “L”: disc in
90 DISC4 SW I Detection input from the disc in detect switch Not used (fixed at “L”)
91 DISC5 SW I Detection input from the disc (DISC3) in detect switch (S5) “L”: disc in
92 OUT SW I Detection input from the loading out detect switch (S6) “L”: loading out
93 IN SW I Detection input from the loading in detect switch (S7) “L”: loading in
94 MUTE O Line mute control signal output terminal Not used (open)
95 ATT O –6 dB ATT control signal output terminal Not used (open)
96 DIGITAL SELECT0 O
CD digital/optical-in convert signal output terminal to the optical-in circuit (IC641)
“L”: CD digital, “H”: optical-in
(fixed at “L” in this set)
97 RESET SW I Input terminal from the reset switch (S9) “L”: reset
98 KANA INPUT I Input terminal for Japanese letter input function setting “L”: input possible (fixed at “H” in this set)
99 DIGITAL SELECT1 O Digital-signal convert signal output terminal Not used (open)
100 NC I Not used (fixed at “L”)
Pin No. Pin Name I/O Function
*1 Minidisc loading motor (M903) control
Operation
IN OUT BRAKE RUN IDLE
Terminal
LOADING IN (pin
*™
) “H” “L” “H” “L”
LOADING OUT (pin
*£
) “L” “H” “H” “L”
*2 Minidisc elevator UP/DOWN motor (M904) control
Operation
UP DOWN BRAKE
Terminal
ELEVATOR UP (pin
*¢
) “H” “L” “H”
ELEVATOR DOWN (pin
*∞
) “L” “H” “H”