Sharp SYSTEM-CD555ZT(GY) User Manual

SYSTEM-CD555ZT
ADJUSTMENT
MECHANISM SECTION
e Driving Force Check
Torque Meter
Play: TW-2412
Reverse play: TW-2422 Over 60g
e Torque Check
Torque Meter Specified Value
Play: TW-2114 30 to 60 g.cm 30 to 60 g.cm
Fast
forward:
55
to
120
g.cm
55to
120g.cm
TW-2231
Rewind:
TW-2231
55
to
120
g.cm
55
to
120
g.cm
e Head Azimuth
MTT-114
e Tape Speed
InstrumentConnection
Headphones Jack
(Load resistance: 32 ohms)
Test
Tape|
Adjusting
|
Specified
Value
instrument
Point
Connection
Headphones
Jack (Load
resistance: 32 ohms)
MTT-111 | VR401 3,000 + 90Hz
TAPE SECTION
Position of each switch or control
Beat cancel switch
Graphic equalizer/X-Bass
Dubbing speed
e Bias Oscillation Check
Specified Vaiue
A: 80 + 4 kHz
B: +4+ 1 kHz forA
C: +6 + 1 kHz forA
Beat cancel
e Erase Current Check
es
Resistor for measurement: 1 ohm
e
Playback
Amplifier
Sensitivity
Check
Speaker Terminal
(Load resistance: 3 ohms)
Specified Value
MTT-118 1.0V+3dB
SYSTEM-CD555ZT
TUNER SECTION
fL: Low-range frequency
fH: High-range frequency
e FM IF/RF
Test Stage Specified Value/
Adjusting Point
Band Coverage! fL: L2
fH: TC2
64.0 MHz: L1
94.0 MHz: TC1
Instrument Connection
Input: Antenna
Output: Pin 9 of IC2
\
{
|
4
Tracking
e VCO Frequency
Adjusting instrument Connection
Point
VR1 38 KHz + 100 Hz
Specified Value
Pin 6 of IC3 \
Adda resistor(10 kohm) between pin 7 of C3 and ground,and adjust
Note:
in stereo state.
e AM IF/RF
Test Stage Specified Value/ Instrument Connection
Adjusting Point
F
LW Band fL: L6
Coverage fH: TC6
LW Tracking | 170 kHz: L3(LW)
270 kHz: TC7
fL: L5
fH: TC4
600 kHz: L3(MW)
1,400 kHz: TC3
SW Band fL: L7
Coverage fH: TC8
SW Tracking | 6.5 MHz: L4
16 MHz: TC5
Input: Antenna
Output: Pin 5 of IC2
Input: Antenna
Output: Pin 9 of IC2
MW Band
Coverage
MW Tracking
SPEAKERS
BEAT
aie
a
CANCEL
Prones
“8
©
3
NALW
Bae
‘ON
'
MES
ao
mA
TRACKING
iF
7
ft
FM
BAND
|
r+
|
COVERAGE
I
13
[tH]
HPS
TT
Tae
ree
ts
2a
r
tt,
LZ
T2
Tai
BAND
=
i5[(@]|@
13
:
i
coverace
[nt
—1-
=
Te45
tc
2
wa
1C2
[fH]
FM
z
C3
Ob
tc;
TRACK
ING
Eee
apm
or
=
R/P_SW
-
[
—s
ee
(Q)"
{Fu
F]
ees
ee
7]
VR401
Lw
SPEED
MAIN PWB-A1 :
Figure 10 ADJUSTMENT POINTS
-10=

Sharp SYSTEM-CD555ZT(GY) Specifications

General

Brand	Sharp
Model	SYSTEM-CD555ZT(GY)
Category	Measuring Instruments
Language	English