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Service Manual
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Order No. MD0303097C2
CD Stereo System
l SA-PM18E
SA-PM18EB
SA-PM18EG
Color
(S) ... Silver Type
Specification
Amplifier Section
RMS Power output
10% Total harmonic distortion
1 kHz, both channels driven
(Low channel)
8 kHz, both channels driven
(High channel)
Total Bi-Amp power 60 W per channel
Input sensitivity
AUX 250 mV
Input impedance
AUX 19.8 kΩ
FM Tuner Section
Frequency range 87.5 - 108.0 MHz
Sensitivity 1.4μ V (IHF)
S/ N 26 dB 1μ V
Antenna terminal(s) 75Ω (unbalanced)
AM Tuner Section
Frequency range 522 - 1629 kHz (9 kHz steps)
520 - 1630 kHz (10 kHz steps)
Sensitivity
S/ N 20 dB (at 999 kHz) 560μ V/ m
Cassette Deck Section
Track system 4 track, 2 channel
Heads
Record/ playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording system AC bias 100 kHz
Erasing system AC erase 100 kHz
Tape speed 4.8 cm/ s
Overall frequency response (+ 3 to -6 dB at Deck Out)
Normal (Type I) 35 Hz - 14 kHz
S/ N 50 dB (A weighted)
Wow and flutter 0.18% (WRMS)
Fast forward and rewind times Approx. 120 seconds with C-60 cassette tape
CD Section
Sampling frequency 44.1 kHz
Decoding 16 bit linear
Pickup
Beam source/ Wavelength Semiconductor laser/ 780 nm
Number of channels Stereo
Frequency response 20 Hz n- 20 kHz (+ 1, -2dB)
Wow and flutter Below measurable limit
30 W per channel (6Ω )
30 W per channel (6Ω )
(50 kHz steps)
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9.2 Setting of the Self-Diagnostic Mode
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9.3 Restoring Normal Display
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From the F76 display, the normal display does not appear till an error is recovered.
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For displays other than F76, press “POWER” button to turn off the power, and then turn on the
power.
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9.4 Clearing Self-Diagnostic Memory
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<CD Section> (F15, F17, F22, F26, F27, F28, F29)
1.Enter a self-diagnostic mode.
2.Press "
/-DEMO" button. A symbol of self-diagnostic is indicated on the display if an error is found.
If several errors are found, a respective indication is displayed when"
/-DEMO" button is pressing repeatedly. (e.g. H01 → CD F15 → F01)
If no error is found, only "TEST" indication is displayed and remains unchanged even if"
/-DEMO" button is pressed.
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9.5 Displaying Self-Diagnostic Results
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<Cassette Deck Section> (H01, H02, H03, F01, F02)
1.Enter the self-diagnostic mode, following the instructions described in [5.2. Entering SelfDiagnostic Mode].
2.Insert a normal-positioned music tape with erase prevention niches on both Sides A and B.
Press [TAPE
] button to activate the TPS operation so that the tape automatically stopsat an interval
between music selections.
3.Press [ /CLEAR] and [TAPE
] buttons together on the remote controller. (Recording does not start.)
4.Then, insert a Cr02-positioned blank cassette tape with an erase prevention niche of Side A or
B set to the left side.
5.Press [
/FF/
] button. The tape will be forwarded and automatically stop after two seconds.
6.Remove the cassette tape, and set the other side.
7.Press [
/REW/
] button. The tape will be rewound and automatically stops after two seconds.
8.Press [
/-DEMO] button on the unit.
If an error is found, a self-diagnostic key appears on the display.
If several errors are found, the display shows these keys when [
/-DEMO] button is pressed repeatedly. (Ex.: H01 - H02 - F01 - H01)
If no error is found, only the message, “CD TEST” appears on the display.
(*1) TPS operation (music search) detects the blank sections between music selections. Therefore,
do not use tapes with the following conditions:
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A blank section that lasts only 4 seconds or less.
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No blank sections (recording through microphones, etc.).
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Music selections that have extremely low pitches or prolonged silent sections (such as
classical music).
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and/or Music recorded with fade in/out effect.
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9.6.1 Doctor Mode Setup
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1.Set to TAPE mode.
2.To enter Doctor mode, input 4 then 7 from the remote control while pressing “STOP” key of
the main set.
3.The CLEAR key on the remote controller shall end the test and exit Doctor mode.
4.When plug out from Doctor mode, it will reset when plug in back
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