Panasonic SAAK-88 Service manual
Service Manual
20. 11. 2004
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ORDER NO. MD0007118C3
CD Stereo System
l SA-AK88
Colour
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(S)... Silver Type
Area
(GC)... Asia, Latin America, Africa and Middle Near East
TAPE SECTION
AR2 MECHANISM SERIES
CD SECTION
RAE0152Z-3 TRAVERSE DECK SERIES
Amplifier Section
Front speaker power output
Power output
PMPO 2400 W
RMS power output
THD 10%, both channels
driven
Total 140 W per channel (6Ω)
LOW 100 W per channel (6Ω)
HIGH 40 W per channel (6Ω)
Power output inDolby Pro Logic mode
PMPO Total 2800 W
RMS power output
THD 10%
Total 360 W
Front LOW 100 W per channel (6Ω)
Front HIGH 40 W per channel (6Ω)
Center 40 W (8Ω)
Surround 20 W per channel (8Ω)
Input sensitivity
AUX 250 mV
MIC 0.7 mV
Input impedance
AUX 13.9 kΩ
MIC 680Ω
FM Tuner Section
Frequency range 87.50-108.00 MHz (50 kHz step)
Sensitivity 2.5μV (IHF)
S/N 26 dB 2.2μV
Antenna terminal(s) 75Ω unbalanced
AM Tuner Section
Frequency range 522-1629 kHz (9kHz step)
520-1630 kHz (10kHz step)
Sensitivity
S/N 20 dB 560μV/m
Cassette Deck Section
Specification
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20. 11. 2004
8.2 How to enter the Self-Diagnostic Function
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1.Turn the unit on with no cassette in the deck. (Select the tape function)
2.Press and hold the “STOP/TUNE MODE” button for at least 2 seconds.
3.While pressing the “STOP/TUNE MODE” button, press “FF/MEMORY” button for at least 2
seconds.
4.“T” will appear on the FL display. (unit is in the Self-Dianostic Function)
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8.3 Cassette Mechanism Test (For error code
H01, H02, H03, F01, F02)
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1.Press “TAPE, DECK 1/2” to select Deck 2.
2.Load a cassette tape with the erasure prevention tab, remove from left side only and close the
cassette holder.
3.Press “FAST FORWARD MEMORY/NEXT” (Tape will be stop after 2 seconds)
4.Load a cassette tape with the erasure prevention tab, remove from right side only and close the
cassette holder.
5.Press “REVERSE FM MODE/BP/PREV” (Tape will be stop after 2 seconds)
6.Load a pre-recorded tape with both side record tabs intact and close the cassette holder.
7.Press “PLAY TUNE/TIME ADJ SELECT” (After TPS function, tape will stop automatically)
8.Press “REC/STOP” (Tape will not move)
9.Press “STOP TUNE MODE” to indicate Error code.
¡ If several problem exist, error code will change each time when “ TUNE
MODE/PBC” is pressed.
(e.g. H01 → H03 → F01 .....etc.)
10.Press “TAPE, DECK 1/2” to select Deck 1.
11.Repeat step 2 to 9 to test Deck 1. (Tape Deck 1 will not check H02 because of no recording
function)
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20. 11. 2004
8.4 CD Mechanism Test (F15, F26, F16, F17,
F27, F28, F29, H15, F75)
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1.Press “CD”.
2.Press “CD MANAGER”.
3.Press “ TUNE MODE” to indicate Error Code.
¡
If several problem exist, error code will change each time when “ STOP TUNE
MODE” is pressed. (e.g. F15 → F26 → F16 ..... etc.)
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8.5 To clear all Error code
20. 11. 2004
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1.Press “STOP TUNE MODE/PBC” button for 5 seconds.
2.FL indicator shows “CLEAR” for 1 second and change to “T”.
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8.7 Power Amplifier Failure (F61)
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1.When power amplifier fail, F61 will indicate automatically.
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20. 11. 2004
9.1 Error detection for Cassette Mechanism
block
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No. Error ErrorDisplay Problem condition
1 MODE SWdetection error H01 Faulty operation of cassette mechanism.Faulty contact or short-circuit of mechanism mode switch (S951,
S971).
2 REC INH SWdetection
error
3 HALF SWdetection error H03 Playback cannot perform.Faulty contact or short-circuit of HALF siwtch (S952, S972).
4 Reel Pulsedetection error F01 The tape advances slightly and then stops.Faulty reel pulse, faulty hole detect IC (IC951, IC971).
5 TPS abnormal F02 Cassette deck will not perform TPS function.Faulty playback EQ/recording amplifier IC (IC101).
H02 Recording not possible.Faulty contact or short-circuit of REC INH switch (S974, S975).
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20. 11. 2004
9.2 Error detection for CD/Changer block
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No. Error ErrorDisplay Problem condition
1 REST SW detection error F15 CD does not function.This error occurs when the Optical Pick Up REST SW (S701) is not
detected within the specified time (about 8 seconds)
2 CD tray opens automatically F16 CLAMP switch (S4) NG (Check & Replace)
3 Does not startup when [PLAY]button is
pressed
4 Transmission error between CDservo LSI
and micon
5 Startup fails even when youinsert CD or
the selected disc tray
does not open
6 Cannot insert CD F28 Tray 1 detect switch NG (Check & Replace)
7 Cannot eject CD F29 Check if disc is stuck. Tray 2 detect switch NG (Confirm & Replace)
8 CD power error F75 CD does not function.Check if CDRST is H for SELECTOR at CD. If it is not H after 1
9 The CD tray closes H15 CD disc tray detect switch NG (S3) (Check & Replace)
F17 BOTTOM switch (S5) NG (Check & Replace)
F26 CD does not function.This error occurs when the POWER is ON for the CD block and an
error is
detected after the transmission has started.
F27 Tray 1 detect switch or Tray 2 detect switch NG (Check & Replace)
second, it shall be memorised as an error. (IC702)
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20. 11. 2004
9.3 Power Supply related error detection
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No. Error ErrorDisplay Problem condition
1 POWER AMPoutput
abnormal
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F61 When POWER is switched on, power become off automatically.During normal operation, if DC DET
become L, PCNT shall become
L and the error display on the left shall be displayed. (IC501)
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20. 11. 2004
10 CD Test Mode Function
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This CD test mode is provided to check CD unit without connecting to changer loading mechanism.
This mode shall operate CD PLAY with CD unit being connected only and CD Automatic
Alignment result is shown on FL display.
10.1 How to enter the Self-Diagnostic Function
10.2 CD Automatically Adjustment result indication
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20. 11. 2004
10.1 How to enter the Self-Diagnostic Function
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1.Turn the unit on and select the CD function.
2.Press and hold the “STOP/TUNE MODE” button for at least 2 seconds.
3.While pressing the “STOP/TUNE MODE” button, press “FF/MEMORY” button for at least 2
seconds.
4.“
” will appear on the FL display. (unit is in the CD test mode)
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20. 11. 2004
10.2 CD Automatically Adjustment result
indication
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Under CD test mode, pressing the numeric key ‘0’ on the remote controller will display the auto
adjustment result. FLOCK, TLOCK and CLVS status shall be shown as below:
During the above display, executing CD PLAY will display auto adjustment result for CD PLAY
mode.
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16.1 CD servo circuit
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