Technics Quartz ST-Z45 Service Manual

*The cabinet and front panel are available in black color and
silver type.
*The black type model is provided with (K) in the Service Manual.
ORDER NO. $D82032119C8
Service Manual
CQUARTZ Synthesizer FM/AM Stereo Tuner
Areas
* [EX] is available in Switzerland and Scandinavia.
* [EH] is available in Holland.
* [XA] is available in Southeast Asia, Oceania, Africa,
Middle Near East and Central South America.
* [XL] is available in Australia.
Specifications (Specifications are subject to change without notice for further improvement.)
(DIN 45 500)
M@ FM TUNER SECTION
Frequency range
Sensitivity
S/N 30 dB
S/N 26 dB
S/N 20 dB
IHF 46 dB stereo quieting sensitivity
Total harmonic distortion
MONO
STEREO
S/N
MONO
STEREO
Frequency response
Alternate channel selectivity
normal «400 kHz
Capture ratio
Image rejection at 98 MHz
IF rejection at 98 MHz
Spurious response rejection at 98 MHz
AM suppression
Stereo separation
1 kHz
10 kHz
Carrier leak
19 kHz
38 kHz
Channel balance (250 Hz~6,300 Hz)
Technics
87.50~ 108.00 MHz
2.0 uV (IHF. usable)
2.0 pV (300Q),. 1.0 pV (750)
1.8 wV (3009), 0.9 pV (750)
1.6 vV (300Q), 0.8 nV (759)
22.0 pV/75Q
0.08%
0.15%
70 dB (78 GB. IHF)
65 dB (73 dB. IHF)
20 Hz~15 kHz, +0.5 dB~
— 1.5 dB
65 dB
1.0dB
55 dB
80 dB
80 dB
55 dB
40 dB
30 dB
30 dB ( 35 dB, IHF)
—45 dB (—50 dB, IHF)
+1.0 dB
Limiting point 1.9 Vv
Bandwidth
IF amplifier
FM demodulator
Antenna terminals
180 kHz
1000 kHz
300 (balanced)
75Q (unbalanced)
@ AM TUNER SECTION
522~1611 kHz (9 kKHz-step)
530~1620 kHz (10 kHz-step)
Sensitivity (S/N 20 dB) 20 uV, 300 wV/m
Selectivity (+9 kHz) 55 dB
Image rejection at 999 kHz 40 dB
IF rejection at 999 kHz 65 dB
Frequency range
@ GENERAL
Output voltage 0.6V
Power consumption BW
AC 50 Hz/60 Hz, 220V
(For continental Europe)
AC 50 Hz/60 Hz, 240V
(For Australia)
AC 50 H2/60 Hz, 110V/120V/220V/240V
(For others)
430 « 53 & 245 mm
(16-15/16" & 2-3/32" * 9-21/32")
Weight 2.4 kg
(5.3 Ib.)
Power supply
Dimensions (W<HX<D)
oT- LAS
], [EH],
a [XL]
oI- LASIK)
EH]
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan