Technics SX-PR100 Service Manual

=L LEFT. CIRCUIT ; ems CONTROL PANEL RIGHT. CIRCUIT
voy
5
:
_6
7
8
.
9
10
11
12
13
14
AMP & POWER SUPPLY CIRCUIT
si
POWER Sw
[<a] dl, 02
Lt D3~D6 Q1~Q3
Key Switches
fz
AC IN T] )
1C2,Q4,D010
+5V> Switching
Regulator
pe vU
HEADPHONES
MAIN
VOL.
;
POWER
INDICATOR
POWER
Switches
&
.
LED'S
Switches
&
LEDS
DI
>
()
TRANSFORMER
+15V
Regulator
i)
=
;
[we
|i
|.
Data
Bus
(080
~
087)
080~D87
080
~DB7
“Gree EER RPE PEAT
I | | es
[—erao s|[.]{ SS cPao
-I5V Regulator
aQi2
Qi
R/R+t
029,R20 AUX Amp 1
R211,CiS7, =.
Reh
fm nr R/R+L |]
SPI
LMVO, RMVO
LMVI, RMVI
SPL i
SP2
Ic2i-1
1C22,Z27
1C20,!IC2!-! IC 29~36
f
Analog Buffer Memory
V ici-2 ¢ten
AMPL
D/A Converter
LSI.
(Reh)
ICi-1
RMVO
Deto Bus (SDBO~SDB7)
Dynamic Noise
Reduction
Low — Pass
°
etc 8/2
ROPO ~7, WRPO~7
Tone Generator
SROI, SWRI
Address(AO ~ Ai8)
(SUB CPU)
2
Inverter
LINE OUT
r
—=
1C37~44
Sea ey
Microcomputer
ic5!
AUX
Low - Pass -
_ Filter
(3eh) Filter
Generator LSI.
Tone
256
K
bit)
:
:
ROPO~7,
WREO~T
|
C=?
mz
x F
CNI
f Headphone
=
(6cm,8N
Horn Tweeter
R/L TONE Low-Frequency Clock SP4
Dota (00~ 015) ; a Oscillator Generator Horn Tweeter
fe
ACCOMP
«
Blaial
1c25 IC26-2 L
IC26-1
1C27,Z8
.
SP3
IC
47
t6cm,8N
contsepamoneennonyanest

Technics SX-PR100 Specifications

General

Brand	Technics
Model	SX-PR100
Category	Musical Instrument
Language	English