Denon DAP-2500A - IC Terminal Functions

.P-2500A
|
Optical fiver
TORX172
YM36238
GND
=
DIN Input Output Output
sD0 ; 1s :
SEL | S1 Function $2 Function
SSYNC 4
CD (other than DAT).
SCK
$2 DAT
L
H
S| —+
SEL ut
ERR L
H
H
Pin No. Connection
output
GND
Voc
GND
case
Case(1
cc
a
Copy
under
a
ban.
Copy OK.
Output Reference
voltage
ie
i
'
1
' ene
see a rator
ATC circuit circuit
44.1 kHz sampling frequency of DIN input signal.
oO 1m Ww NR =
DIGL H
OIGR
we l
Do |
DEF
L/R
(Bottom View) 32 kHz.
L
H
L
H | 48 kHz.
H
L
LC7815H TERMINAL FUNCTION
Terminal
Type
of
foi
No.
Input/Output
Description
L
28
Power
supply
terminal
:
PU)
Denotes
the
terminal
is
pulled-up
int
tly.
9
When
using
1
power
supply
source
(+):
Vss
=
Vee
=
GND
(PU)
e
termi
isp
p
internally
20
When
using
2
power
supply
sources
(+
~):
Vgg
=
GND,
Vee
=
(-)V
Name
of
Function
Terminal
Designated input terminal to turn on each analog switch. System power supply (+5V).
Priority in simultaneous pushing of buttons (Ain > Bin > Cin > Din).
Protection against mis-operation caused by pulse noise (discriminate pulse-width by
VCO oscillation frequency adjustment terminal, not to be connected.
delay time.
External capacitor connecting terminal for VCO circuit. 6
Ground terminal for VCO circuit. Connect in common with VSS1. It is not in common in LSI.
L
LED driver output for ON state indication corresponding to each analog siwtch.
N channel! open drain (source is connected to Veg).
Crystal oscillator terminal (16.9344 MHz ~ 20 MHz).
Crystal oscillator terminal.
H: Actuates PLL circuit when input is applied to DIN terminal, if no input is applied utilizing crystal
oscillator to actuate.
L: In despite of DIN terminal input, use crystal oscillator.
A ~ D = Audio signal input terminal.
COM = Audio signal output terminal.
Signal inputs (A ~ D) are connected as per following table with signal inputs
An
Biel
(CoMn
Output
|
An
|
Bn
|
Cr
|
On
|
Ain 0
Designate Bin
Input Cin
Din
*: Don’t care.
Varies crystal oscillation frequency when crystal oscillator is used, when PLL circuit is actuated,
varies with the input data velocity to PLL circuit. (Approx. 5.6448 MHa at the time fs = 44.1 kHz)
Varies crystal oscillation frequency when crystal oscillator is used, when PLL circuit is actuated, 6
varies with the input data velocity to PLL circuit. (Approx. 5.6448 MHz at the time fs = 44.1 kHz)
Check terminal for internal circuit.
Check terminal for internal circuit.
inal ; ; inal.
Designated
input
terminal
for
tape
monitor
mode
ON/OFF.
Dining
eck
te
ouMmuesianal
en
ins
somnl
O
ernina
Detects the raise of input terminal and if it is monitor mode ON shifts to OFF; if it
is OFF reverts to ON,
Synchronous signal.
System power supply GND (+0V).
Indicates output emits from DO terminal, H = L-ch; L = R-ch data.
Output terminal to controf external analog switch (LC4066B) for tape monitor.
N channel transistor source of complimentary buffer output is connected VEE.
H = Indicates input is deemphasized. L = Indicates input is not deemphasized. ¢
16 bits data output.
Indicates data is emitting to DO terminal.
Output terminal to control! external analog switch (LC4066B) for tape monitor
in conjunction with the LED driver for indicating tape monitor condition.
TMout is reverse polarity output to TMCTL.
19 DIGR Delitch signal for R-ch.
20 DIGL
21 ERR
SEL
Delitch signa! for L-ch.
H = Parity error, or actuating with crystal. L = Noerror.
Forced external triggering input terminal for audio mute control signal (MUTE).
Fix to “L" level makes MUTE output to “"H”.
Refer to other column.
Refer to other column,
Output terminal of audio muting control signal.
Emits pulse width signal which is decided by the external CR constant at the time
switching the function, or at the time MUTEin is input.
Refer to other column,
Sub-code output clock.
L Signal for sub-code.
Sub-code data output terminal.
Q/oJofojo|Blosololojojo
Terminal to make time constant of CR which decides time length of audio muting
controlling signal.
Time difference (MUTE delay) from the raise of muting signal to the time shifting
analog switch is decided by C, Rs time constant at the time of transistor is in ON.
Data input terminal.
|
|
|
|
Input terminal to set all the analog switches to OFF state and to reset tape monitor
PRESET flip-flop (“L” leve! = active).
30