Kenwood D-W320V, Руководство по обслуживанию

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D-W320V
A/D VOLTAGE
1.9 V 2.45 V 3.10 V 3.64 V
PIN No. PIN NAME
26 ANI2 PLAY STOP DIGEST
27 ANI1 FLAT AUTO PAUSE ECHO UP ECHO DOWN
28 ANI0 DISC2 DISC1 REPEAT RANDOM
CIRCUIT DESCRIPTION
7
6. CD CHANGER CONTROL FUNCTION
6-1 Mechanism Control I/O Port
6-1-1 Input Port
TRSW1 and TRSW2 will detect mechanism operation mode.
Refer to 5. I/O port UPSW detects tray position in tray 1 or 2
mode. L : UPSW = on, H : UPSW = off
6-1-2 Output Port
TR+, TR- and SP CONT control evry motor in the mecha-
nism. Refer to 5. I/O port
6-2 Mechanism Control Specifications
6-2-1 Motor Operation vs Output Port
6-2-2 Brake Operation Specifications
Brake works before motor will change turning direction.
Brake period is 500msec.
6-2-3 Initial Operation
Mechanism will fix to model 1 or 2 when turn on after hard
reset mode.
1) Pickup will travel inwards
2) Mechanism will select turning direction of motor and model
1 or 2.
In power on / standby operation, mechanism will select
model 1 to mode 4 so it will not have initial operation.
6-2-4 Mechanism error Message
Error message will erase when power is off (standby).
detect sw wait period condition error no.
PU IN 4 sec only initial operation 4
TRSW1M 8 sec in tray open mode, TRSW1
TRSW2M or will not have 2.5voltage (M)
1
UPSW 8 sec in mechanism initial mode,
UPSW will not sense voltage
2
TRSW1L 8 sec in changing disc, TRSW1 or
TRSE2L TRSW2 will not have 3
Ovoltage (L)
TR+ TR-
Normal turn H L
Reverse turn L H
Stop H H
Brake H H
A/D VOLTAGE 0V 2.5V 5.0V
TRSW2 (PIN24) CLOSE OPEN OFF
TRSW (PIN25) CLOSE OPEN OFF
SYMBOL L M H
5-1 A / D input port key table
Pin No. : IC701(MN 1872423KEN)
A/D VOLTAGE
0 V 0.65 V 1.23 V
PIN No. PIN NAME
26 ANI2 TRAY1 O/C TRAY2 O/C ON/STANDBY
27 ANI1 KARAOKE SHARP NATURAL
28 ANI0 FF REV –
INPUT OUTPUT
TR+ (PIN 1) TR- (PIN9) OUT (PIN7) OUT2 (PIN3)
OPERATION
L L OPEN OPEN STOP
H L H L TRAY1OPEN
L H L H TRAY2 OPEN
H H L L BREAK
PIN49 H L
SPEED HIGH LOW
PIN No. PORT NAME T. NAME FUNCTION
24 ANI4 TRSW2 TRAY1 POSITION DETECT
25 ANI3 TRSW1 TRAY2 POSITION DETECT
5-2 Motor driver I/O condition
IC4 (TA7291S)
5-4 CD changer I/O
IC701
5-5 TRSW A/D data
IC 701
5-3 Motor speed control
IC701(MN1872423KEN)
5. Input / Output port
D-W320V 1P( 97.11.28 11:20 PM y [ W 4