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-WM-F75
WN-F75
5-2.
SCHEMATIC
DIAGRAM
1
2
3
4
5
|
6
7
8
9
10
11,
12
13
14
15
(MAIN BOARD]
I8p(US, CANADIAN, AEP,UK,E MODEL)
a
-_
03)
22p(W- GERMANY MODEL)
~.
HT
4.7/16V
=
ICl_Cx20029
:
i
000m
S30I-1 [FUNCTION] FM/AM FRONT-END,IF AMP,DET,MPX
(3)
[FH mone]
MONO == ST
|
Se LOCAL = DX
RIPPLE
OKO
MODEL
d
O QO
AEP,UK,E
.
R6
]
?
|
é
7 MODEL
I/50V
5.6k
Te
|
R?
023
C
:
"ee
>
(a
sits
fos os
he
af
a e
ne
QO@O-—OQ-GI
QO)-65
|
HE
a
isi
Ris®
eS
=
3007 (2'6)
z
CF3 a
Q2 DTCII4YK
LED SWITCH
2,9 (2.9)
Bs0i
IC302 CX20085
Ik
DOLBY NR AMP
IC303
BA5206
DTCII4YK
POWER AMP
LED SWITCH
—
7
Gane
D901,902 Fwo:2
eo Beno
JACK BOARD
SRIO6D — REVI NS
47
C7
Lol
4V
220/4V 2.2yH
| J90!
3,3/25V
WF
=—=-Ch-—
DOLBY ON: 4
C105
—- §
REV 29
2.2/35V
(FWD)
al
©
C104. RIOG
|
HP30|
'a 2a
O01
82k
|
rea?
|
!
04
gets
eo
C205
|
2,2/35V
|
28
|
(2.8)
|
0.1
.
|
(0.1)
o
+] C214
47.—C2I7,—s«L 20
C204
R206
|
4V
220/4V
2.2uH
0.01
82k
0.6
>
(2)
:
R2i5 | +
i
(3)
i
cai2
750
"he2is
C216
0.001 7 c213
}+
"
0,1
0.1
QI0!1, 201
:
—_me
_
DTAI4TK
(3)
PLAYBACK EQUALIZER SWITCH
25
Q60!
—
a
——
C ;
S301-2
Q60i
2SB956
AN6612S
.
pel
$901
MOTOR CONTROL
pall
DOWER)
Note:
@
Power voltage is DC 3 V and fed with regulated dc power
|
3)
|
e
All capacitors are in uF unless otherwise noted. pF: wuF
supply from DC IN 3 V jack.
pet oan os
|
5OWV
or less are not indicated except for electrolytics
Voltages are dc with respect to ground in no signal mode.
@
:
_
Voltage
variations
may
be noted
due to normal
produc-
y
(8)
ae
a senrelo ms:
obi
|
.
COMPARATOR
SO)
[oc Ww av
e All resistors are in Q and 1/,W or less unless otherwise
tion tolerances.
prea
en CD
©€-0
specified.
e@
Switch
@ TOTAL CURRENT
O
>
9Qm
e
: signal path.
oS)
@)
6)
AM: 47mA
0,1 RV60!
FWD,REV: [35mA
e
A.
: internal component.
"47k
EE: I80mA
@
mmm
© 8+
bus.
FUNCTION)
Aan
,
= SIZE"AA"
e@
[|]
: adjustment for repair.
.
DOLBY
NR
|
(IEC DESIGNATION R6)
@
Total
current
is measured
with
no
cassette
installed.
FM
SENS (MODE)
aie:
no mark:
TAPE
MODE
POWER
Q301, 302 DTCII4YK
<
>:
FM/AM
MODE
ATC
POWER SWITCH
"i
): FM MODE
(AUTO TAPE SELECT)
((
)): AM
MODE
HEAD
SELECT
—
8—
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