Panasonic SA-AK340EE Service Manual
Panasonic SA-AK340EE Service Manual

Panasonic SA-AK340EE Service Manual

Cd stereo system

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Notes: This model's CD mechanism changer unit is CRS1. Please refer to the original Service Manual
(Order No. MD0509368C0) for this mechanism.

Specifications

n AMPLIFIER SECTION
RMS Output Power
THD 10%, both channels driven
1 kHz
(Low channel)
10 kHz
(High channel)
Total Bi-Amp power
n FM/AM TUNER, TERMINALS SECTION
Preset station
Frequency Modulation (FM)
Frequency range
Sensitivity
S/N 26dB
Antenna terminals
Amplitude Modulation (AM)
Frequency range
Sensitivity
S/N 20dB (at 999 kHz)
Music Port input jack
Terminal
Sensitivity
105 W per channel (3 Ω)
105 W per channel (3 Ω)
420 W
FM 15 stations
AM 15 stations
87.50 to 108.00 MHz (50 kHz
steps)
4.0 µV (IHF)
2.2 µV
75 Ω (unbalanced)
522 to 1629 kHz (9 kHz step)
560 µV/m
Stereo, 3.5 mm jack
100 mV, 4.7 kΩ
SA-AK340EE
Colour
(S)... Silver Type
Phone jack
Terminal
n CASSETTE DECK SECTION
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed
Overall frequency response (+3, -6 dB) at DECK OUT
NORMAL
S/N ratio
Wow and flutter
Fast forward and rewind time
n DISC SECTION
Disc played [8 cm or 12 cm]
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3, WMA formatted disc)
(3) MP3/WMA
Bit rate
© 2006 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0512483C3
CD Stereo System
Stereo, 3.5 mm jack
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
DC servo motor
AC bias 100 kHz
AC erase 100 kHz
35 Hz to 14 kHz
50 dB (A weighted)
0.18 % (WRMS)
Approx. 120 seconds with
C-60 cassette tape
Unauthorized
copying
4.8 cm/s
and

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Summary of Contents for Panasonic SA-AK340EE

  • Page 1: Specifications

    ORDER NO. MD0512483C3 CD Stereo System SA-AK340EE Colour (S)... Silver Type Notes: This model’s CD mechanism changer unit is CRS1. Please refer to the original Service Manual (Order No. MD0509368C0) for this mechanism. Specifications n AMPLIFIER SECTION Phone jack RMS Output Power Terminal Stereo, 3.5 mm jack...
  • Page 2: Self Diagnosis And Special Mode Setting

    SA-AK340EE 9 Self diagnosis and special mode setting This unit is equipped with functions for checking and inspecting namely: Self-Diagnostic and Test Mode. 9.1. Special Mode Table Item FL Display Key Operation Mode Name Description Front Key Self -Diagnostic enter...
  • Page 3 SA-AK340EE Item FL Display Key Operation Mode Name Description Front Key FL Display Test To check In doctor mode: segments display (All 1. Press [DIMMER] button on remote control. segments will light up and LED will blink at 0.5 second interval)
  • Page 4: Error Code Table

    SA-AK340EE 9.2. Error code Table Self-Diagnosis Function (refer Section 9.1) provides information on any problems occuring for the unit and its respective components by displaying the error codes. These error code such as U**, H** and F** are stored in memory and held unless it is...
  • Page 5 SA-AK340EE The error code is automatically display after entering into self-diagnostic mode. Error Code Diagnosis Contents Description of error Automatic FL Display Remarks Mode SW, plunger For deck mechanism unit (For deck 1/2). and capstan motor Press [ ] on main unit for abnormal next error.
  • Page 6 SA-AK340EE Error Code Diagnosis Contents Description of error Automatic FL Display Remarks ITOP UD assembly UD Rack does not move to For CD changer unit (CRS1). front direction. This lead to Press [SINGLE CHANGE] on main unit UD base not raise to top for next error.
  • Page 7 SA-AK340EE Error Code Diagnosis Contents Description of error Automatic FL Display Remarks F2NG Fail - safe mode. (For When tray close For CD changer unit (CRS1). Press [SINGLE CHANGE] on main unit open/close tray operation is performed, it unit(s)) fails close.
  • Page 8: Wiring Connection Diagram

    SA-AK340EE 15 Wiring Connection Diagram FM ANT AM ANT H5104/ W5104 JK2601 CN5103 (To Fan) CN2810 POWER P.C.B MAIN P.C.B SOLDER SIDE CN2801 Z2620 SOLDER SIDE (TUNER PACK) CN5102 BLACK CN2809 MOTOR CN2808 CN2805 JK5101 JK5102 CN2806 CN2803 CN2951 30 ... . 2 29 .
  • Page 9: Block Diagram

    SA-AK340EE 16 Block Diagram OPTICAL PICKUP TOMAINBLOCK SEMICONDUCTOR LASER Q7601 LASER POWER DRIVE X7201 PHOTO DETECTOR 69 67 68 51 53 52 54 NTEST2 NTEST NSRVMONON /RST TIMING MICRO COMPUTER TXTCK NRST DSL/PLL/VCO GENERATOR INTERFACE [DSLPLL] [GEN] [MCIF] TXTD AVDD2...
  • Page 10 SA-AK340EE IC1001 AN7348 P.B EQ AMANT FMANT ALC/T Z2620 CF2601 CF2602 24(23) RF AMP Q2601 (DECK 1) P.B. HEAD 1(2) MIXER IF AMP 22(3) D2602 L2602 L2601 21(4) BUFFER 17(8) FROM POWER (DECK 2) FL6602 TRANSFORMER R/P HEAD FL DISPLAY...
  • Page 11 SA-AK340EE IC2803 C1BB00001121 AUDIO SOUND PROCESSOR IC2804 3(4) IN-L2(R2) C0AABB000125 IC OP-AMP IC1001 Q2142(Q2242) Q2317 (Q AN7348S-E1 42(37) 2(6) P.B EQ/REC AMP/ L-OUT(R-OUT) CONTROL 1(7) MUTIN FILTER SWITCH ALC/TPS AMP 3(5) CONTR Q2411(Q2311) 24(23) (DECK 1) MUTING P.B. HEAD 1(2)
  • Page 12 SA-AK340EE IC2804 IC5301 IC5401 C1BA00000407 C1BA00000407 C0AABB000125 IC OP-AMP 2-CH DIGITAL AMP 2-CH DIGITAL AMP Q2142(Q2242) Q2317 (Q2417) 2(6) CONTROL 1(7) MUTING FILTER IN1+ IN1+ SWITCH 3(5) CONTROL Q2411(Q2311) MUTING CONTROL IN1- IN1- IN2+ IN2+ IN2- IN2- Q2341 (Q2441) HP_L(R)
  • Page 13 SDRCK W7001 DVSS1 IC7002 BA5948FPE2 4 CH DRIVE C7234 0.1 C7352 C7339 0.018 0.018 C7235 R7336 16V10 W7027 R7339 R7330 5.6K R7335 C7338 C7315 0.056 0.47 R7332 S7201 REST SW R7323 R7315 3.3K R7331 3.3K R7325 SA-AK340EE CD SERVO CIRCUIT...
  • Page 14 C2633 C2612 R2616 0.01 TGND C2610 IC2602 0.01 R2632 C1CB00001937 MAIN R2633 CIRCUIT R2652 PLL FREQUENCY SYNTHESIZER DO/ST (2A) ON SCHEMATIC +7.5V DIAGRAM-3 C2634 R2638 3.3K MAIN CIRCUIT PLLDA (2B) ON R2630 DO/ST SCHEMATIC PLLCLK DIAGRAM-3 SA-AK340EE MAIN (TUNER) CIRCUIT...
  • Page 15: Main Circuit

    : +B SIGNAL : FM/AM SIGNAL LINE : TAPE RECORD SIGNAL LINE : CD SIGNAL LINE MAIN CIRCUIT : TAPE PLAYBACK SIGNAL LINE : -B SIGNAL : MAIN SIGNAL LINE SA-AK340EE MAIN CIRCUIT W2511 R2701 R2301 C2101 Q2142 B1ABCF000176 AGC CONTROL SWITCH...
  • Page 16 SA-AK340EE SA-AK340EE MAIN CIRCUIT W2511 C2701 0.01 R2701 C2702 16V100 C2705 R2705 50V1 3.3K Q2142 B1ABCF000176 AGC CONTROL SWITCH R2702 C2315 C2331 R2315 R2316 R2335 4700P 16V22 2.2K R2145 R2146 Q2311,Q2411 C2333 B1ABGC000005 R2331 W2510 R2334 F_HOP C2321 MUTING SWITCH...
  • Page 17 CONTROL SWITCH R2937 W2555 W2525 W2534 Q2937 B1GBCFJJ0051 CHANGER PLUNGER R2936 W2556 ON/OFF SWITCH SA-AK340EE MAIN CIRCUIT Q2937 W2560 R2151 R2251 6 7 8 9 11 12 13 14 15 29 28 CN2805 CN2806 TO CRS1 (CN1) PANEL CIRCUIT (CN6601) ON...
  • Page 18 IDCDET RESET (MICRO-P) SWITCH R2883 C2883 R2886 R2881 C2803 330K C2821 D2803 C2802 D2801 R2882 100P X2802 B0ACCK000005 50V3.3 B0ACCK000005 X2801 C2882 H2B100500004 H0A327200115 W2552 R2937 R2936 W2556 SA-AK340EE MAIN CIRCUIT 29 28 CN2806 PANEL CIRCUIT (CN6601) ON SCHEMATIC DIAGRAM-4...
  • Page 19: Panel Circuit

    PA_IN_L 3.3K PA_SW 3.3K GND2 K6104 R6752 R6754 JK6751 1.5K 1.5K QR6457 VOL_LED B1GBCFLL0037 LED DRIVE GND2 Z6481 B3RAB0000025 JK6551 REMOTE SENSOR C6553 C6551 C6552 0.01 0.01 0.01 R6481 L6553 G0C3R3JA0027 L6552 G0C3R3JA0027 L6551 G0C3R3JA0027 C6481 50V22 SA-AK340EE PANEL CIRCUIT...
  • Page 20: Transformer Circuit

    RTP1H3E002 Z5950 CN5951 0.01 VOLTAGE REGULATOR ERZV10V511CS JK5950 D5962 AC IN 230V 50Hz C5953 R5952 C5971 0.01 4.7K 25V47 L5950 ELF15N035AN R5953 Q5952 D5964 C5952 R5958 B0BA6R800008 10V47 C5963 C5954 R5957 0.01 50V4.7 Q5952 B1GACFJJ0018 SYNCHRONISATION SWITCH SA-AK340EE TRANSFORMER CIRCUIT...
  • Page 21: Power Circuit

    SA-AK340EE 17.7. (H) Power Circuit SCHEMATIC DIAGRAM - 6 POWER CIRCUIT : -B SIGNAL LINE : +B SIGNAL LINE : MAIN SIGNAL LINE SA-AK340EE POWER CIRCUIT IC5301 IC5401 C1BA00000407 C1BA00000407 2-CH DIGITAL AMP 2-CH DIGITAL AMP Q5154 2SB0709AHL R5154 R5418...
  • Page 22 R5134 C5111 35V1000P 100P R5106 6.3V100 B0EAKM000122 1.2K R5132 C5158 R5131 C5113 D5109 0.01 2.2K R5109 Q5109 50V33 B0BA01100004 2SB0709AHL R5105 R5130 VOLTAGE REGULATOR Q5114 B1ABCF000176 R5110 W5009 11V REGULATOR D5103 2.2K D5108 B0BA3R900006 C5112 25V10 B0BA5R700008 SA-AK340EE POWER CIRCUIT...
  • Page 23 PL971 B1AAGC000007 C1010 C1016 C1017 CN971 25V100 2200P 2200P PHOTO_T R953 S952 HALF SWITCHING (RECH) HALF STBY_5V VREF_GND R1003 D1003 R1102 Q1007 S951 B0ACCK000005 MODE C1026 R1011 6.3V47 8.2K C1008 50V1 Q1007 SA-AK340EE DECK MECHANISM CIRCUIT B1ABCF000176 BIAS OSC CONTROL...
  • Page 24: Terminal Function Of Ic's

    SA-AK340EE 20 Terminal Function of IC's 20.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal Processor/Digital filter and D/A Converter Pin No. Mark Function Pin No. Mark Function DRAM address signal O/P 11 IREF Reference I/P DRAM address signal O/P 9 PLLF PLL Loop Filter Terminal (Phase...
  • Page 25 SA-AK340EE 20.2. IC7002 (BA5948FPE2) IC 4CH Drive Pin No. Mark Function Pin No. Mark Function Motor Driver 92 Input Motor Drive (3) reverse - action output Turntable Motor Drive Signal (“L”:ON) Motor Drive (3) forward - action output Motor Drive (1) Input...
  • Page 26 SA-AK340EE Pin No. Mark Function OPEN_SW Open_Sw for CRS1 CHG_CW CRS1 motor CW CHG_CCW CRS1 motor CCW ST_SW Stock_Sw for CRS1 PLAY_SW Play_Sw for CRS1 CHG_PLR Plunger for CRS1 BOTTOM_SW Bottom_SW for CRS1 UP_SENSOR UD-Sensor for CRS1 DECK2 DECK CONDITION INPUT 2...

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