Technics QUARTZ ST-Z400L User Manual

[ok
0)
rE
OO
I
cs
mse
FM
IF
signal
Tih
FM
Voltage
FM RF AMP MIXER
”~A
ORARe
5
.
j
Q101,102
*
ictol
AN7A7
2S
2SC1I675
AN7274NS
:
=
a
FM
IF
AMP
FM
IF
AMP/DET
B
(i9kHz
Output)
MPX
VCO
adj.
FM
ANT?
AM
CONV
R313
ono + -
: oe D 5 330K p10! I ‘
GROUND
POINT
:
; Co — e582! 20) 28 Gsy-—at (9) :
Limiter
r AMIF P
B ase ae ee era eee =)
—)—O——O—O—©)
: Sx ; 3 Lv +o FISTS
:
F
=,
=
gocecsosncneeanoqs.06n
‘
MW/LW RF signal ; SIR aT r | ee =e i! [res ark ; Separation adj.
—WA—
AM
ANT@Y
:
MW ANT coil
C)
Cc AM LOOP ANT $E
FM off-set voltage (OmV)
ANTENNA P.C.B.
C202 | K0.047
0912,914,916
MAI65
(EK) only
Q255
2SAI015
2Sc945
403,404
Q402
FM +B 14.7V)
AM +B 14.7V)
ena
coil
SWITCHING
SWITCHING
a
2SAI015
2Sci8i5
SIGNAL
IND.
SIGNAL
IND.
DRIVE
DRIVE
904
902,903
Q253,254
Q251
ae
2SA564A
2SC945
2SC945
2SCcis8i5
LOOP FILTER LOOP FILTER SWITCHING MW/LW OSC Crystal
SELECTOR :
oscillator
SVIDI708G524
PLL CONTROLLER
0701, 702
SVDSRIK2
RECTIFIER
R910 C910
560 2547
Q705 Q706,707
e
2SCcisis5
2SAI015
SWITCHING
SWITCHING
f
(FM/AM
SELECTOR
)
(FM/AM
SELECTOR)
x g 0703
R954 | R952 C952 s MA4150
470 | 3.3K Sov @) I5V ZENER
S|
q
Ly
A)
D704
MA4062
‘y) e 8 & 6.2V ZENER
sal |
D502 0502 Q70! a702
MAIG2A = 2sp882 2SCI815
tesiese REGULATOR REGULATOR
2SC1815
LOOP FILTER
ay (LCD LAMP)
@901
2SAI015
SWITCHING
D901,902 D903~910 9920 ~923 (EM. STEREQ)
MAI62A MAI65 MAI65
LCD SALHLC9I50
$961 $902 1 s903 |! s904
B switcu p.c.s..
EE} main p.c.s.

Technics QUARTZ ST-Z400L Specifications

General

Brand	Technics
Model	QUARTZ ST-Z400L
Category	Tuner
Language	English