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1
2
e CHECK POINT OF SIGNAL
CHECK ITEM
Lech
Rech
TP1
TP
ye)
PRE
HEAD ~ OUTPUT
uU
sh
=| oer
| at) 2"
rood
| Ron
s-41
PRE
_, DOLBY NR
OUTPUT " OUTPUT
Rech
GND
Lch
rr
Q
= 7
Ce
|
U
w
ba
|
TP35
TP39
TP34
TERMINAL
DOLBY NR _ VR
Rch
OUTPUT
INPUT
e
COM
< < D D
VR INPUT — VR
TERMINAL
i DD}
rT 2) Qa |; 0
as s\|
Sa
I
Be
COM
TERMINAL
aL Uv
TERMINAL
HP
TERMIANL
HP
TERMINAL
HEADPHONE
POWER AMP __
OUTPUT
OUTPUT
COM
Nw DD
b
<|z2|$
4 Uv
-=
jo) eo)
OUTPUT
GND
DC-DC
CONVERTER
(BOOSTER)
TP32
(Connect
the
TP33
PULSE
OUTPUT
PHOTO COUPLER
(END)
3
MAIN
P.C.B.
( REPI678A)
TP32 | TP33
Q2 0
|
SOLENOID
1C3
RECHARGEABLE
| _
BATTERY DCI.2V
(RP-BP62EYA)
[4
Q301-
MOTOR
2a
19 a
4
VOLUME
HEAD
PC.B.
PLAYBACK
HEAD
IC2
ZZ
Pt |
Q322
SWITCH
PC.B.
- Q5
(REP I678A)
Q10
-1CI
Q12
—QII
Q7
Q8
Q309
Q308
Q306
Q9
Q352
Q356
Q355
Meo?)
LBS
ai
Q353
— —
& %
&.,
Q35
|-+—=—
DOLBY NR|
Q354
Q401
Q402
BATTERY ! R6/LR6(UM-3)|
BATTERY ==
I.5V
BATTERY
CASE
58
20 Less
8
9
RQ-S75
¢ Terminal guide of IC's, transistors and
diodes
LA4590WN-TFM
M34211M4088G
2SB815B7TX
25B1218STX
2SB1218TXRA
28D1328STX
2SD1328STXRA
FE
2SD1819STX
UN511MTX
UN5115TX
UN5116TX
UN5214TX
UN5215TX
MSC4116CT85L
RVTFMG4TX
C
:
ESS
E
B
MA713TXRA
MA720TX
Cathode
=e
Anode
Anode
Cathode
LN1261CTR
LN1361CUY-TR
Anode
Sa
Cathode
Ca"
4
MA147TX
Cathode
Anode
Anode
Cathode
Notes:
ein this printed circuit board diagram, the parts and
foil patterns on the board facing toward you are
printed in black.
The opposite side is printed in blue.
e The " «" mark denotes the connection points of
double-faced foil patterns (through holes) on both
side of the printed circuit board.
¢ This printed circuit board diagram may be
modified at any time with the development of new
technology.
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