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Panasonic SA-AK62 Service Manual

Cd stereo system
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Service Manual
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ORDER NO. MD0106158C1
A6
CD Stereo System
SA-AK62
l
Colour
(S)... Silver Type
Area
(P)... U.S.A.
TAPE SECTION :
SG-2W MECHANISM SERIES
CD SECTION :
RAE0152Z-3 TRAVERSE DECK SERIES
Specifications
AMPLIFIER SECTION
Power output
THD 10% Total harmonic distortion
(Front 1 kHz)
(Center 1 kHz)
(Surround 1 kHz)
Total output in stereo mode
Total output in Dolby Pro Logic mode
FTC Power output
THD 10% Total harmonic distortion
(Front 70-16 kHz)
(Center 70-16 kHz)
(Surround 70-16 kHz)
Total output in stereo mode
Total output in Dolby Pro Logic mode
Input sensitivity
AUX
Input Impedance
AUX
FM TUNER SECTION
Frequency range
Sensitivity
S/N 26 dB
Antenna terminal(s)
AM TUNER SECTION
Frequency range
Sensitivity
S/N 20 dB (at 1000 kHz)
CASSETTE DECK SECTION
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed
Frequency response (+3 dB, -6 dB at DECK OUT)
NORMAL (TYPE I)
http://servis-manual.com/
60 W per channel (6Ω)
60 W per channel (8Ω)
30 W per channel (8Ω)
120 W
240 W
55 W per channel (6Ω)
55 W per channel (8Ω)
27.5 W per channel (8Ω)
110 W
220 W
250 mV
13 kΩ
87.9 - 107.9 MHz (200 kHz steps)
87.5 - 108.0 MHz (100 kHz steps)
2.5μV (IHF)
2.2μV
75Ω (unbalanced)
520 - 1710 kHz (10 kHz steps)
560μV/m
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
DC servo motor
AC bias 100 kHz
AC erase 100 kHz
4.8 cm/s
35 Hz - 14 kHz

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Summary of Contents for Panasonic SA-AK62

  • Page 1 Service Manual TOP NEXT ORDER NO. MD0106158C1 CD Stereo System SA-AK62 Colour (S)... Silver Type Area (P)... U.S.A. TAPE SECTION : SG-2W MECHANISM SERIES CD SECTION : RAE0152Z-3 TRAVERSE DECK SERIES Specifications AMPLIFIER SECTION Power output THD 10% Total harmonic distortion (Front 1 kHz) 60 W per channel (6Ω)

  • Page 2: How To Enter The Self-Diagnostic Function

    9.2 How to enter the Self-Diagnostic Function TOP PREVIOUS NEXT Press “STOP/TUNE MODE ” to indicate error code. If several problem exist, error code will change each time when “STOP/TUNE MODE ” is pressed. TOP PREVIOUS NEXT...

  • Page 3: Cassette Mechanism Test

    9.3 Cassette Mechanism Test (For error code H01, H02, H03, F01, F02) TOP PREVIOUS NEXT 1. Press “TAPE, DECK 1/2” to select Deck 2. 2. Load a normal cassette tape with the erasure prevention tab, remove from left side only and close the cassette holder.

  • Page 4: To Clear All Error Code

    9.4 To clear all Error code TOP PREVIOUS NEXT 1. Press “STOP/TUNE MODE” button for 5 seconds. 2. FL indicator shows “CLEAR” for 1 second and change to “T”. TOP PREVIOUS NEXT http://servis-manual.com/...

  • Page 5: Error Detection For Cassette Mechanism Block

    10.1 Error detection for Cassette Mechanism block TOP PREVIOUS NEXT No. Error ErrorDisplay Problem condition MODE SWdetection error Faulty operation of cassette mechanism.Faulty contact or short-circuit of mechanism mode switch (S951, S971). REC INH SWdetection Recording not possible.Faulty contact or short-circuit of REC INH switch (S974, S975). error HALF SWdetection error Playback cannot perform.Faulty contact or short-circuit of HALF siwtch (S952, S972).

  • Page 6: Error Detection For Cd/Changer Block

    10.2 Error detection for CD/Changer block TOP PREVIOUS NEXT No. Error ErrorDisplay Problem condition REST SW detection error 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) CD tray opens automatically CLAMP switch (S4) NG (Check &...

  • Page 7: Power Supply Related Error Detection

    10.3 Power Supply related error detection TOP PREVIOUS NEXT No. Error ErrorDisplay Problem condition POWER AMPoutput When POWER is switched on, power become off automatically.During normal operation, if DC DET abnormal become L, PCNT shall become L and the error display on the left shall be displayed. (IC501) TOP PREVIOUS NEXT http://servis-manual.com/...

  • Page 8: Schematic Diagram

    SCHEMATIC DIAGRAM -1 : +B SIGNAL LINE : +B SIGNAL LINE : CD SIGNAL LINE CD SERVO CIRCUIT R701 OPTICAL PICKUP CIRCUIT Q701 C701 2SA1037AKSTX 6.3V33 3.2V C703 LASER POWER DRIVE LASER DIODE 6.3V100 Q701 CN701 2.7V ((2.3V)) 0.9V ((2V)) C704 R750 LD GND...
  • Page 9 SCHEMATIC DIAGRAM - 2 : +B SIGNAL LINE : +B SIGNAL LINE : CD SIGNAL LINE CD SERVO CIRCUIT R717 C727 50V1 C725 1000P R721 C726 1000P R718 C728 50V1 C731 6.3V220 CN702 Lch OUT C730 C733 C732 A.GND 6.3V220 C754 Rch OUT 470P...

  • Page 10: Main/Tuner Circuit

    SCHEMATIC DIAGRAM - 3 : +B SIGNAL LINE : AM SIGNAL LINE : FM SIGNAL LINE : FM/AM SIGNAL LINE : AM OSC SIGNAL LINE : FM OSC SIGNAL LINE MAIN/TUNER CIRCUIT Q106 KRA102MTA POWER SUPPLY CONTROL TUNER PACK Z120 (RAL0029) (FM : ON) 13.6V R104...

  • Page 11: Main Circuit

    SCHEMATIC DIAGRAM - 4 : +B SIGNAL LINE : FM/AM SIGNAL LINE : AUX SIGNAL LINE : +B SIGNAL LINE : MAIN SIGNAL LINE : CD SIGNAL LINE PANEL CIRCUIT (CP605) ON : RECORD SIGNAL LINE SCHEMATIC DIAGRAM-8 MAIN CIRCUIT CP503 18 17 16 15 14 13 12 11 10 C441...
  • Page 12 SCHEMATIC DIAGRAM - 5 : +B SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT (CP607) ON SCHEMATIC DIAGRAM-8 MAIN CIRCUIT CP502 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 C434 R326 R323...
  • Page 13 SCHEMATIC DIAGRAM - 6 : +B SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE MAIN CIRCUIT D306 MA8300MTX R460 D304-D305 100K Q301 RL1N4003S-P KRA102STA MUTING SWITCH Q302 R344 CONTROL D305 Q301 R341 R247 Q302 R434 R246 R234 Q207 100K R346 2SB621ARSTA...

  • Page 14: Headphone Circuit

    SCHEMATIC DIAGRAM - 7 : +B SIGNAL LINE : MAIN SIGNAL LINE : CD SIGNAL LINE PANEL CIRCUIT FL600 RSL0314-F C600 35V22 TACT SWITCH (1) CIRCUIT Z940 GP1UM262RK REMOTE CONTROL SENSOR C941 0.01 C940 0.01 D949 SLR325DCT31 6CH_LED R949 (9.21V)<9.21V> (9.21V)<9.22V>...
  • Page 15 SCHEMATIC DIAGRAM - 8 : +B SIGNAL LINE DECK CIRCUIT : MAIN SIGNAL LINE (CN1001) ON : -B SIGNAL LINE : CD SIGNAL LINE SCHEMATIC DIAGRAM-10 PANEL CIRCUIT H600/W600 Q603 2SA933SSTA SWITCH DECK +6V SUPPLY C634 R651 R652 35V22 D613 L605 Q602 MA4020LTA...

  • Page 16: Deck Circuit

    SCHEMATIC DIAGRAM - 9 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE DECK CIRCUIT R1055 2.2K C1038 R1098 220P R1017 8.2K CS1001 R1095 100K R1032 R1015 HEAD C1015 C1012 C1034 1000P R1039 1000P 50V3.3 C1019...
  • Page 17 SCHEMATIC DIAGRAM - 10 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE : -B SIGNAL LINE MAIN CIRCUIT (CN204) ON SCHEMATIC DIAGRAM-4 DECK CIRCUIT H1001/W1001 10 9 R1072 R1077 R1074 C1057 C1058 C1060 50V3.3 R1069 4700P 6.8K C1054 R1067...
  • Page 18 SCHEMATIC DIAGRAM - 11 : -B SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE POWER CIRCUIT IC500 IC500 RSN311W64B-P POWER IC R505 5.6K R532 56K C526 15P R510 R533 56K C527 15P R534 56K R501 C528 15P R557 5.6K 120K R502...
  • Page 19 SCHEMATIC DIAGRAM -12 : +B SIGNAL LINE AC TRANSFORMER CIRCUIT R570 R571 R572 D570 D571 1T3T 1T3T C584 D572 (5.92V) <5.96V> 16V1000P 5.96V ((5.94V))[5.97V] 1T3T (9.19V) <9.06V> Q570 R574 8.86V ((8.22V)) C582 [9.27V] 0.01 C589 (6.58V) <6.58V> 0.01 6.59V ((6.58V)) [6.6V] R573 D573...

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