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PDF ( 数据手册 , 数据表 ) SA-PM19E

零件编号 SA-PM19E
描述 CD Stereo System Service Manual
制造商 Panasonic
LOGO Panasonic LOGO 


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SA-PM19E 数据手册, 描述, 功能
ORDER NO. MD0403117C2
CD Stereo System
SA-PM19E
SA-PM19EB
SA-PM19EG
Colour
(S)... Silver Type
(K)... Black Type (For E only)
Specification
n 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
Output Impedance
Headphone
n FM Tuner Section
Frequency range
Sensitivity
S/N 26 dB
Antenna terminal(s)
n AM Tuner Section
Frequency range
Sensitivity
S/N 20 dB (at 999 kHz)
n Cassette Deck Section
35 W per channel (6 )
35 W per channel (6 )
70 W per channel
16- 32
87.50 - 108.00 MHz (50 kHz
steps)
1.5 µV (IHF)
1.5 µV
75 (unbalanced)
522 kHz - 1629 kHz (9 kHz
steps)
520 kHz - 1630 kHz (10 kHz
steps)
560 µV/m
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 dB, -6 dB at Deck Out)
Normal (Type I)
35 Hz - 14 kHz
S/N RATIO
45 dB (A weighted)
Wow and flutter
0.10% (WRMS)
Fast forward and rewind times
Approx. 120 seconds with C-60
cassette tape
n CD Section
Disc
CD, CD-R, CD-RW, MP3
Sampling frequency
Decoding
Pickup
Beam source/ Wavelength
Number of channels
Frequency response
Wow and flutter
Digital filter
8 cm/12 cm
44.1 kHz
16 bit linear
Semiconductor laser / 780 nm
Stereo
20 Hz - 20 kHz (+1dB, -2dB)
Below measurable limit
8 fs
© 2004 Panasonic AVC Networks Singapore Pte.
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.







SA-PM19E pdf, 数据表
SA-PM19E / SA-PM19EB / SA-PM19EG
6 Handling Precautions For Traverse Deck
The laser diode in the traverse deck (optical pickup) may break
down due to potential difference caused by static electricity of
clothes or human body.
So, be careful of electrostatic breakdown during repair of the
traverse deck (optical pickup).
l Handling of CD traverse deck (optical pickup)
1. Do not subject the traverse deck (optical pickup) to
static electricity as it is extremely sensitive to electrical
shock.
2. The short land between the No.4 (LD) and No.5 (GND)
pins on the flexible board (FFC) is shorted with a solder
build-up to prevent damage to the laser diode (Fig 1).
3. Take care not to apply excessive stress to the flexible
board (FPC board).
4. Do not turn the variable resistor (laser power
adjustment). It has already been adjusted.
Fig 2
Caution when Replacing the Optical Pickup :
The traverse has a short point shorted with solder to protect
the laser diode against electrostatics breakdown. Be sure to
remove the solder from the short point before making
connections.
Fig 1
l Grounding for electrostatic breakdown prevention
1. Human body grounding (Fig 2)
Use the anti-static wrist strap to discharge the static
electricity from your body.
2. Work table grounding (Fig 2)
Put a conductive material (sheet) or steel sheet on the
area where the traverse deck (optical pickup) is placed,
and ground the sheet.
Caution :
The static electricity of your clothes will not be grounded
through the wrist strap. So, take care not to let your
clothes touch the traverse deck (optical pickup).
8







SA-PM19E equivalent, schematic
SA-PM19E / SA-PM19EB / SA-PM19EG
· Follow the (Step 1) of Item 9.11.
· Follow the (Step 1) of Item 9.12.
Step 1 : Remove the screw.
Step 2 : Remove 2 screws. Lift up the CD Mecha Unit.
16










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