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PO-41,PD-93700
|
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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GDR
R222
fo]
eer
sin
yee
Indicated in $2, 1/4W, 1/6W and 1/8W, +5% tolerance unless otherwise
|
R221
&
97
GND
noted k; k92,M; M&, (F); £1%, (G); +2%, (K); £10%,
|
100K
LouT
GA
o
CA
(M); +£20% tolerance.
|
|
700K
2.CAPACITORS :
|
paee
AIC201
(2/73)
—
ndicated
in capacity
(yzF)
/voitage'
unless
otherwise noted
p;
p F .
RESET
Indicated
i
i t y (uF) /voltage(V) u n l e s s otherwise
noted p; pF. |
faoK
LAGS20
V+5
V+5
Indication without voltage is 50 V except electrolytic capacitor.
GND
(LOADING
DRIVE)
1c60
@
M51957AL
j
3.VOLTAGE, CURRENT :
(BL
12
eek
ner
\__]
; DC voltage
(V) at play state.
RE2
°
5
<mA_;
DC current at play state.
fl 22K
e
Value in ( ) is DC current at stop state.
|
j
R63
ia
ne 410K
bo
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
ees
—
S1
POWER
|
N
gg
FUNCTION A BOARD ASSEMBLY
|
$401 DO
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$403 PAUSE({I])
;
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.
S404 PLAY(D)
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$—
Lo
$405 OPEN/CLOSE(A)
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$406 STOP(C))
CN351
KU, KC ONLY
*1
fF FUNCTION
B BOARD ASSEMBLY
es
RERAUDIO
SIGNAL
Loo
N51
S407 DISPLAY OFF
-
;
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
=—E
a
Py
2
1
3
1
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