Pioneer PD-41 Manual de serviço - Página 10
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PO-41,PD-93700
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4. SCHEMATIC DIAGRAM AND P.C.BOARDS CONNECTION
DIAGRAM
4.1 MAIN BOARD(PWZ 2150), PRIMARY BOARD, FUNCTION A BOARD(PWZ 2168), AND FUNCTION B BOARD ASSEMBLIES
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1.RESISTORS :
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700K
2.CAPACITORS :
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(2/73)
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in capacity
(yzF)
/voitage'
unless
otherwise noted
p;
p F .
RESET
Indicated
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i t y (uF) /voltage(V) u n l e s s otherwise
noted p; pF. |
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LAGS20
V+5
V+5
Indication without voltage is 50 V except electrolytic capacitor.
GND
(LOADING
DRIVE)
1c60
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3.VOLTAGE, CURRENT :
(BL
12
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; DC voltage
(V) at play state.
RE2
°
5
<mA_;
DC current at play state.
fl 22K
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Value in ( ) is DC current at stop state.
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4.OTHERS :
oe
a
=> ; Signal route.
GND
@ ; Adjusting point
E
The /\ mark found on some component
parts indicates the
inportance of the safety factor of the part. Therefore, when
replacing, be sure to use parts of identical designation.
|
3X marked capacitors and resistors have parts numbers.
|
This is the basic schematic diagram, but the actual circuit may
|
vary due to improvements in design.
| MA
I N
B OAR
D
AS S E MB LY
5. SWITCHES : (The underlined indicates the switch position)
|
ea nee aes =
PRIMARY BOARD ASSEMBLY
Ee
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—
S1
POWER
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gg
FUNCTION A BOARD ASSEMBLY
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$401 DO
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$405 OPEN/CLOSE(A)
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$406 STOP(C))
CN351
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*1
fF FUNCTION
B BOARD ASSEMBLY
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RERAUDIO
SIGNAL
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S407 DISPLAY OFF
-
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bre tl KS; HLEMESS.
$408 OUTPUT
—2—
FOCUS
SERVO
SIGNAL
(HEM, HB, SD | HLEMS1 5:
—
TRACKING
SERVO
SIGNAL
—S
-SPINDLE
MOTOR
SERVO
SIGNAL
—S—
-CARRIAGE
MOTOR
SERVO
SIGNAL
—bL—
-LOADING
MOTOR
SERVO
SIGNAL
12
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1
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