Technics ST-Z25L EX Service Manual

* The cabinet and front panel are available in black color and silver
types.
* The black type model is provided with (IX) in the Service Manual.
(DIN 45 500)
@ 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)
Limiting point
Technics
88~108 MHz
2.0 uV (IHF, usable)
2.0 nV (3009), 1.0 pV (75Q)
1.8 pV (300Q), 0.9 pV (75Q)
1.6 pV (300), 0.8 pV (75)
22 uV/75Q
0.15%
0.3%
70 dB (78 dB, IHF)
65 dB (70 dB, IHF)
20 Hz~15 kHz, +0.5 dB~ —1.5 dB
65 dB
1.0 dB
55 dB
70 dB
80 dB
50 dB
40 dB
30 dB
—30 dB (—35 dB, IHF)
—45 dB (—50 dB, IHF)
+1.5 dB
1.2 pV
Specifications (Specifications are subject to change without notice for further improvement.)
Bandwidth
IF amplifier
FM demodulator
Antenna terminals
@ AM TUNER SECTION
Frequency range
MW
LW
Sensitivity (S/N 20 dB)
MW
LW
Selectivity (+ 9kHz)
MW
LW
Image rejection
MW
LW
IF rejection
MW
LW
H@ GENERAL
Output voltage
Power consumption
Power supply
Dimensions (WXHXD)
Weight
ORDER NO. SD82032144C2
FM/MW/LW Stereo Tuner
OT- 225L
[EX], [EK], [EF
91-225 Lik
Areas
(* [EX] is available in Switzerland and
Scandinavia.
* [EK] is available in United Kingdom.
* [EF] is available in France.
* [EB] is available in Belgium.
180 kHz
1000 kHz
3009 (balanced)
75Q (unbalanced)
525~1605 kHz
145~350 kHz
20 uV, 300 upV/m
50 uV
27 dB (1000 kHz)
35 dB (250kHz)
40 dB (1000 kHz)
40 dB (250 kHz)
65 dB (1000 kHz)
40 dB (250 kHz)
0.3V (0.6V, IHF)
8W
AC 50 Hz/60 Hz, 220V
(For continental Europe)
AC 50 Hz/60 Hz, 240V
(For United Kingdom)
430 X 53 XK 251 mm
(16-15/16" X 2-3/32" X 9-7/8")
2.7 kg
(6.0 Ib.)
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan