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Panasonic SA-AK340GCP Service Manual
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Panasonic SA-AK340GCP 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 terminal(s)
Amplitude Modulation (AM)
Frequency range
Sensitivity
S/N 20dB (at 999 kHz)
Music Port input jack
Terminal
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)
520 to 1630 kHz (10 kHz step)
560 µV/m
Stereo, 3.5 mm jack
SA-AK340GCP
Colour
(S)... Silver Type
Sensitivity
Phone jack
Terminal
Mic jack
Terminal
Sensitivity
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]
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0512447C3
CD Stereo System
100 mV, 13 kΩ
Stereo, 3.5 mm jack
Mono, 3.5 mm jack
0.7 mV, 680 Ω
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-AK340GCP

  • Page 1: Specifications

    ORDER NO. MD0512447C3 CD Stereo System SA-AK340GCP 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 Sensitivity 100 mV, 13 kΩ...

  • Page 2: Table Of Contents

    SA-AK340GCP (1) CD-Audio (CD-DA) Power supply (2) CD-R/RW (CD-DA, MP3, WMA formatted disc) AC 110 to 127/220 to 240 V, 50/60Hz (3) MP3/WMA Power consumption 120 W Bit rate Power consumption in standby 0.6 W mode MP3, WMA 32 kbps to 320 kbps...
  • Page 3 SA-AK340GCP 17 Schematic Diagram 18.5. (E) Power P.C.B. 17.1. Notes of Schematic Diagrams 18.6. (F) Deck P.C.B. & (G) Deck Mechanism P.C.B. 17.2. (A) CD Servo Circuit 19 Illustration of ICs, Transistors and Diodes 17.3. (B) Main (Tuner) Circuit 20 Terminal Function of IC's 17.4.

  • Page 4: Safety Precautions

    SA-AK340GCP 1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, ensure that all the protective devices such as insulation barriers and insulation papers shields are properly installed.

  • Page 5: Prevention Of Electro Static Discharge (Esd) To

    SA-AK340GCP · No sound is heard when the power is turned on. · Sound stops during a performance. The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are “shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.

  • Page 6: Handling Precautions For Traverse Deck

    SA-AK340GCP 3 Handling Precautions For Traverse Deck The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by the static electricity of clothes or our human body. So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup).

  • Page 7: Precaution Of Laser Diode

    SA-AK340GCP 4 Precaution of laser diode CAUTION: This unit utilizes a class 1 laser diode in the optical pickup unit . Invisible laser radiation is emitted from the optical pickup lens. Wavelength: 780nm When the unit is turned on: 1. Do not look directly into the optical pickup lens.

  • Page 8: Handling The Lead-Free Solder

    SA-AK340GCP 5 Handling the Lead-free Solder 5.1. About lead free solder (PbF) Distinction of PbF P.C.B.: P.C.B.s (manufactured) using lead free solder will have a PbF stamp on the P.C.B. Caution: · Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron.

  • Page 9: New Features

    SA-AK340GCP 6 New Features 6.1. CRS1 Mechanism Overview 6.1.1. General Feature · This is a five disc changer mechanism for CD/DVD. The outline figure is shown below.
  • Page 10 SA-AK340GCP · The mechanism has "CHANGE WHILE PLAY" function. It open other trays for disc exchanging while one tray is at PLAY position performing recording or reproducing. · The mechanism can quickly change all trays with "CHANGE ALL" function. All trays can be move to OPEN position with one operation.

  • Page 11: Music Port

    SA-AK340GCP Note: * represent tray number (from 1 ~ 5) 6.1.4. New CD Mechanism (CRS1) Note: This service manual does not contain the following information for the mention CD Mechanism drive: · Schematic Diagram, Block Diagram and P.C.B. layout of CD Loading P.C.B.

  • Page 12: Accessories

    SA-AK340GCP 7 Accessories Remote Control FM Indoor Wire AC Cord AM Loop Antenna AC Plug Adaptor...

  • Page 13: Operation Procedures

    SA-AK340GCP 8 Operation Procedures...
  • Page 14 SA-AK340GCP...

  • Page 15: Self Diagnosis And Special Mode Setting

    SA-AK340GCP 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 16 SA-AK340GCP Item FL Display Key Operation Mode Name Description Front Key FL Display Test To check In doctor mode: segments display (All 1. Press [PROGRAM] button on remote segments will light up and control. LED will blink at 0.5 second interval)

  • Page 17: Error Code Table

    SA-AK340GCP 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 18 SA-AK340GCP 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 19 SA-AK340GCP Error Code Diagnosis Contents Description of error Automatic FL Display Remarks ITOP UD assembly UD Rack does not move For CD changer unit (CRS1). to front direction. This Press [SINGLE CHANGE] on main unit lead to UD base not for next error.
  • Page 20 SA-AK340GCP Error Code Diagnosis Contents Description of error Automatic FL Display Remarks F2NG Fail - safe mode. (For When the tray close For CD changer unit (CRS1). Press [SINGLE CHANGE] on main unit open/close tray operation is performed, it unit(s)) fails to close.

  • Page 21: Assembling And Disassembling

    SA-AK340GCP 10 Assembling and Disassembling 10.1. Caution Special Note: This model uses a new CD changer unit CRS1. In this following section does not contain the necessary disassembly & assembly information for the CD changer unit (CRS1) except the disasembly & assembly of traverse unit. Kindly refer to the original service manual for the CD changer unit.

  • Page 22: Disassembly Flow Chart

    SA-AK340GCP 10.2. Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing. To assemble the unit, reverse the steps shown in the chart as below.

  • Page 23: Main Parts Location

    SA-AK340GCP 10.3. Main Parts Location...

  • Page 24: Disassembly Of Top Cabinet

    SA-AK340GCP 10.4. Disassembly of Top Cabinet Step 1 Remove 3 screws at each side and 5 screws at rear panel. Step 2 Lift up both sides of the top cabinet, push the top cabinet towards the rear to remove the top cabinet.
  • Page 25 SA-AK340GCP Step 2 Detach the FFC cables (CN2801 & CN2805). Step 3 Release the claws on both ends. Step 5 Remove 2 screws. Step 6 Remove the Mecha Chassis. Note: For disassembly & assembly of traverse unit, please refer to section 10.15 of this service manual.Please refer to original...

  • Page 26: Disassembly Of Main P.c.b

    SA-AK340GCP 10.7. Disassembly of Main P.C.B. · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 4) of Item 10.6 - Disassembly of CD Changer Unit · Follow the (Step 1) - (Step 3) of Item 10.5 - Disassembly of Rear Panel Step 1 Disconnect FFC cables (CN2803, CN2806 and Step 2 Detach connectors (CN2808 &...

  • Page 27: Disassembly Of Power P.c.b

    SA-AK340GCP 10.9. Disassembly of Power P.C.B. · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 4) of Item 10.6 - Disassembly of CD Changer Unit · Follow the (Step 1) - (Step 3) of Item 10.5 - Disassembly of Rear Panel ·...

  • Page 28: Disassembly Of Front Panel Unit

    SA-AK340GCP 10.10. Disassembly of Front Panel Unit · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 4) of Item 10.6 - Disassembly of CD Changer Unit Step 1 Disconnect connectors (CN2803, CN2806, CN2951, Step 3 Release 2 claws outwards.
  • Page 29 SA-AK340GCP Step 2 Remove 11 screws. Step 3 Release 2 catches. Step 4 Remove Panel P.C.B.. 10.11.1. Disassembly of Lid Step 1 Lift the spring sideward. Step 2 Remove Lid. Note: Do not misplace the spring.

  • Page 30: Disassembly Of Deck Mechanism Unit

    SA-AK340GCP 10.12. Disassembly of Deck mechanism unit · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 4) of Item 10.6 - Disassembly of CD Changer Unit ·...
  • Page 31 SA-AK340GCP Step 3: Remove the traverse unit as arrow shown. · Assembly of Traverse Unit Step 1: Press and hold the plunger lever and rotate the gear as arrows shown until it stop. Step 1: Turn over the unit and install the traverse unit.

  • Page 32: Disassembly Of Optical Pickup Unit (Cd Mechanism)

    SA-AK340GCP Step 2: Push the traverse slide plate as arrow shown to lock the traverse unit. 10.15. Disassembly of optical pickup unit (CD mechanism) · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet ·...
  • Page 33 SA-AK340GCP Step 8 Remove the catch of the drive rack, and take out the drive rack. Step 4 Remove the traverse deck. Note: As floating springs (4 pieces) come off at the same time, be careful not to lose them.

  • Page 34: Disassembly Of Deck Mechanism

    SA-AK340GCP 10.16. Disassembly of Deck Mechanism · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 4) of Item 10.6 - Disassembly of CD Changer Unit · Follow the (Step 1) - (Step 4) of Item 10.10 - Disassembly of Front Panel Unit ·...
  • Page 35 SA-AK340GCP Step 1 Release the catch, and then remove the pinch roller (F). Step 2 Release 2 claws and detach the head block connector. Step 3 Remove 2 screws. Step 4 Remove head block. 10.16.2. Disassembly of capstan motor ass’y, capstan belt A, capstan belt B and winding belt Step 1 Detach the head block connector (Deck P.C.B.).
  • Page 36 SA-AK340GCP Step 7 Put the capstan belt A temporarily as shown below. Step 2 Put the winding belt on the pulley temporarily. Step 3 Install the flywheel F. Step 4 Put the winding belt on the flywheel F. Step 5 Install the winding lever and spring while pressing the winding arm in the direction of arrow.
  • Page 37 SA-AK340GCP Step 10 Install 3 screws. Step 11 Put the capstan belt B as shown below. Step 12 Put the capstan belt A on the motor ass’y pulley.

  • Page 38: Replacement For Cassette Lid

    SA-AK340GCP 10.17. Replacement for cassette lid · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet Step 1 Lift up the lever upward, open the cassette deck. (For Step 2 Push up the cassette lid (L/R) in the direction of arrow.

  • Page 39: Service Fixture And Tools

    SA-AK340GCP 11 Service Fixture and Tools Service Tools Extension FFC (A) Deck P.C.B. - Main P.C.B. REEX0485 (14 Pins) (B) Panel P.C.B. - Deck Mechanism P.C.B. REEX0484 (10 Pins) 12 Service Positions Note: For description of the disassembly procedures, see the Section 10.

  • Page 40: Checking And Repairing Of Transformer P.c.b

    SA-AK340GCP 12.2. Checking and Repairing of Transformer P.C.B.

  • Page 41: Checking And Repairing Of Panel, Deck & Deck Mechanism P.c.b

    SA-AK340GCP 12.3. Checking and Repairing of Panel, Deck & Deck Mechanism P.C.B.

  • Page 42: Checking And Repairing Of Power P.c.b

    SA-AK340GCP 12.4. Checking and Repairing of Power P.C.B.

  • Page 43: Adjustment Procedures

    SA-AK340GCP 13 Adjustment Procedures 13.1. Cassette Deck Section 13.1.2. Bias Voltage Check · Measurement Condition 1. Set the unit “AUX” position. − − − − Reverse-mode selector switch: 2. Insert the Normal blank tape (QZZCRA) into DECK 2 and the unit to “REC” mode (use “l REC/STOP” key).

  • Page 44: Tuner Section

    SA-AK340GCP 13.2. Tuner Section This section include details on the alignment of AM-IF and AM RF adjustment. 13.2.1. AM-IF Alignment 1. Set up the equipments as shown in Fig. 5. 2. Select [TUNER] mode on selector and set to [AM] mode.

  • Page 45: Adjustment Point

    SA-AK340GCP Fig. 7 13.2.3. Adjustment Point Below is the locations of alignment points on the Main (Tuner) P.C.B.

  • Page 46: Voltage And Waveform Chart

    SA-AK340GCP 14 Voltage and Waveform Chart Note: Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.
  • Page 47 SA-AK340GCP...

  • Page 48: Power P.c.b. And Transformer P.c.b

    SA-AK340GCP 14.2. Power P.C.B. and Transformer P.C.B.

  • Page 49: Waveform Chart

    SA-AK340GCP 14.3. Waveform Chart...
  • Page 50 SA-AK340GCP...

  • Page 51: Wiring Connection Diagram

    SA-AK340GCP 15 Wiring Connection Diagram FM ANT AM ANT H5104/ W5104 JK2601 CN5103 (To Fan) CN2810 TUNER PACK P.C.B POWER P.C.B MAIN P.C.B SOLDER SIDE CN2801 TUNER PACK SOLDER SIDE CN5102 BLACK CN2809 MOTOR CN2808 CN2805 JK5102 JK5101 CN2806 CN2803 CN2951 30 .
  • Page 52 SA-AK340GCP...

  • Page 53: Block Diagram

    SA-AK340GCP 16 Block Diagram OPTICAL PICKUP SEMICONDUCTOR TOMAINBLOCK 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 54 SA-AK340GCP IC100 AN734 P.B E AMANT FMANT ALC/ Z2620 CF2601 CF2602 24(23) Q1 (RFAMP) Q2601 (DECK 1) P.B. HEAD 1(2) MIXER IF AMP 22(3) D2602 L2602 L2601 21(4) BUFFER FROM POWER 17(8) (DECK 2) FL6602 TRANSFORMER R/P HEAD FL DISPLAY...
  • Page 55 SA-AK340GCP 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) OP-OUT P.B EQ/REC AMP/ L-OUT(R-OUT) CONTROL 1(7) MUTI FILTER ALC/TPS AMP SWITCH 3(5) CONT Q2411(Q2311) OP-IN 24(23) (DECK 1) MUTING P.B. HEAD...
  • Page 56 SA-AK340GCP IC5301 IC5401 IC2804 C0AABB000125 C1BA00000407 C1BA00000407 2-CH DIGITAL AMP 2-CH DIGITAL AMP Q2142(Q2242) IC OP-AMP Q2317 (Q2417) 2(6) CONTROL 1(7) MUTING SWITCH FILTER IN1+ IN1+ 3(5) CONTROL Q2411(Q2311) MUTING IN1- IN1- CONTROL IN2+ IN2+ IN2- IN2- Q2341 (Q2441) HP_L(R)

  • Page 57: Schematic Diagram

    SA-AK340GCP 17 Schematic Diagram (All schematic diagrams may be modified at any time with the development of the new technology) 17.1. Notes of Schematic Diagrams S951 : MODE Switch S952 : HALF Switch S971 : MODE Switch S972 : HALF Switch...
  • Page 58 SA-AK340GCP...

  • Page 59: A) Cd Servo Circuit

    SDRCK DVSS1 W7001 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-AK340GCP CD SERVO CIRCUIT...
  • Page 60 SA-AK340GCP...

  • Page 61: B) Main (Tuner) Circuit

    100P C2612 C2633 R2616 0.01 TGND C2610 IC2602 R2632 0.01 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-AK340GCP MAIN(TUNER) CIRCUIT...
  • Page 62 SA-AK340GCP...

  • Page 63: B) 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-AK340GCP MAIN CIRCUIT C2263 R2161 R2261 4.7K 4.7K W2511 R2701...
  • Page 64 SA-AK340GCP SA-AK340GCP 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 65 CONTROL SWITCH R2937 W2555 W2525 W2534 Q2937 B1GBCFJJ0051 CHANGER PLUNGER R2936 W2556 ON/OFF SWITCH SA-AK340GCP 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 66 IDCDET RESET (MICRO-P) SWITCH R2883 C2883 R2886 R2881 C2803 330K C2821 D2803 C2802 D2801 R2882 100P X2802 B0ACCK000005 50V2.2 B0ACCK000005 X2801 C2882 H2B100500004 H0A327200115 W2552 R2937 R2936 W2556 SA-AK340GCP MAIN CIRCUIT 29 28 CN2806 PANEL CIRCUIT (CN6601) ON SCHEMATIC DIAGRAM-4...

  • Page 67: C) Panel Circuit

    330K C6553 C6551 C6552 0.01 0.01 0.01 R6481 R6505 L6501 Q6501 C6507 Q6502 330K C6504 1000P C6503 R6509 C6509 C6506 0.047 C6501 R6501 0.01 R6503 C6481 0.01 JK6501 50V22 VR6511 EVUF2AF15B14 C6505 R6506 0.047 2.2K MIC VOLUME SA-AK340GCP PANEL CIRCUIT...
  • Page 68 SA-AK340GCP...

  • Page 69: D) Transformer Circuit

    SA-AK340GCP 17.6. (D) Transformer Circuit SCHEMATIC DIAGRAM - 5 TRANSFORMER CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE Q5953 250 2A VOLTAGE SELECTOR FP5940 D5950-D5953 B0EAMM000038 VCC+ A: 240V C5940 D5950 B: 120V D5952 50V1000 VCC- C5960 POWER FP5920...
  • Page 70 SA-AK340GCP...

  • Page 71: E) Power Circuit

    SA-AK340GCP 17.7. (E) Power Circuit SCHEMATIC DIAGRAM - 6 POWER CIRCUIT : -B SIGNAL LINE : +B SIGNAL LINE : MAIN SIGNAL LINE SA-AK340GCP POWER CIRCUIT IC5401 IC5301 IC5301 C1BA00000407 IC5401 C1BA00000407 2-CH DIGITAL AMP 2-CH DIGITAL AMP Q5154 B1ADCF000063...
  • Page 72 D5128,D5124,D5123 R5134 C5111 35V1000P 100P R5106 6.3V100 B0EAKM000122 1.2K R5132 C5158 R5131 C5113 D5109 0.01 2.2K R5109 Q5109 50V33 B0BA01100004 2SB0709AHL R5130 VOLTAGE REGULATOR Q5114 R5105 B1ABCF000176 R5110 11V REGULATOR D5103 2.2K B0BA5R200014 C5112 D5108 25V10 B0BA5R700008 SA-AK340GCP POWER CIRCUIT...

  • Page 73: F) Deck Circuit & (G) Deck Mechanism Circuit

    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 B1ABCF000176 SA-AK340GCP DECK MECHANISM CIRCUIT BIAS OSC CONTROL...
  • Page 74 SA-AK340GCP...

  • Page 75: Printed Circuit Board

    SA-AK340GCP 18 Printed Circuit Board Note: Circuit board diagrams may be modified at any time with the development of new technology.

  • Page 76: A) Cd Servo P.c.b

    SA-AK340GCP 18.1. (A) CD Servo P.C.B. CD SERVO P.C.B (REPX0494A) TP51(RF) C7227 W7014 TP19 C7225 C7204 TP14 W7015 C7226 TP50 C7228 TP18 TP17 C7216 C7230 C7231 TP24 TP13 W7019 R7221 CN7002 C7233 W7006 TP16 C7232 W7007 R7111 W7008 R7254 IC7001...

  • Page 77: B) Main

    SA-AK340GCP 18.2. (B) Main P.C.B. MAIN P.C.B (REPX0516G) Q2942 CN2810 C2941 C2948 W2573 (TO FAN) W2304 W2567 W2568 R2925 W2291 Q2907 W2565 Q2906 CN2805 R2942 W2290 R2943 W2293 Q2948 Q2949 K2904 C2945 R2948 W2288 R2945 CN2801 R2924 W2570 W2572 R2947...

  • Page 78: C) Panel P.c.b

    SA-AK340GCP 18.3. (C) Panel P.C.B. PANEL P.C.B (REPX0517B) S6103 D6458 OPEN/ R6102 CLOSE S6102 S6101 POWER SINGLE DISC CHANGE S6308 MULTI DISC S6104 CHANGE FL6602 W6007 W6402 CN6601 W6055 R6458 S6105 C6635 C6632 R6604 W6004 C6604 D6635 R6603 R6199 W6082...

  • Page 79: D) Transformer

    SA-AK340GCP 18.4. (D) Transformer P.C.B. TRANSFORMER P.C.B (REPX0518D) CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B K5901...AK340 T5951 250V 4A R5954 Q5954 (SUB TRANSFORMER) D5968 Q5950 C5953 J5955 R5952 Z5950 C5951 C5952 D5952 RL5950...

  • Page 80: E) Power P.c.b

    SA-AK340GCP 18.5. (E) Power P.C.B. POWER P.C.B (REPX0533D) C5102 W5205 W5144 W5206 W5207 W5208 C5114 D5121 H5104/W5104 K5511 Q5201 C5115 Q5108 K5512 W5119 Q5202 W5200 W5197 W5121 W5122 D5101 W5143 W5142 C5332 C5330 C5106 C5152 C5107 X5201 R5108 Q5112 Q5111...

  • Page 81: F) Deck P.c.b. & (G) Deck Mechanism P.c.b

    SA-AK340GCP 18.6. (F) Deck P.C.B. & (G) Deck Mechanism P.C.B. DECK P.C.B DECK MECHANISM P.C.B. TUNER PACK P.C.B (REP1999B) (REPX0331E) (REPX0321A) R1024 IC1004 C1006 C1009 R1027 CS1002 TO R/P HEAD TP10 J1002 Q1003 TP4 x L1002 TP3 x 0066B-2 0066B-2...
  • Page 82 SA-AK340GCP...

  • Page 83: Illustration Of Ics, Transistors And Diodes

    SA-AK340GCP 19 Illustration of ICs, Transistors and Diodes C1BA00000407 C1AA00000612 AN7348S-E1 (24P) C1BB00001121 (100P) C0JBAB000011 (14P) C2CBYY000053 (100P) C1BB00000962 (24P) C0HBB0000057 (44P) C1CB00001937 (20P) MN6627954MA (100P) 2SB0621AHA CNB13030R2AU (4P) B1AAKD000014 C0AABB000125 B1AACF000064 BA5948FPE2 B1AARC000003 B1ACKD000006 B1ADCF000001 B1CECC000003 B1DEGM000026 2SB0709AHL B1GDCFJJ0047...

  • Page 84: Terminal Function Of Ic's

    SA-AK340GCP 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 85: Ic7002 (Ba5948Fpe2) Ic 4Ch Drive

    SA-AK340GCP 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 86 SA-AK340GCP 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...

  • Page 87: Exploded Views

    SA-AK340GCP 21 Exploded Views 21.1. Cabinet Parts Location...
  • Page 88 SA-AK340GCP...

  • Page 89: Deck Mechanism Parts Location (Raa4502-S)

    SA-AK340GCP 21.2. Deck Mechanism Parts Location (RAA4502-S)

  • Page 90: Packaging

    SA-AK340GCP 21.3. Packaging...

  • Page 91: Replacement Parts List

    SA-AK340GCP 22 Replacement Parts List Notes: · Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used. When replacing any of these components, be sure to use only manufacturer’s specified parts shown in the parts list.
  • Page 92 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RMK0283A-2 SUB-CHASSIS Q1017 B1AARC000003 TRANSISTOR RXL0124 PINCH ROLLER F ASS’Y Q2142 B1ABCF000176 TRANSISTOR 130-1 RMB0401 PINCH ARM SPRING F Q2242 B1ABCF000176...
  • Page 93 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks D2602 B0CDBB000015 DIODE S6202 EVQ21405RJ SW DISPLAY/DEMO D2677 B0BC7R500001 DIODE S6203 EVQ21405RJ SW DECK 1/2 D2801 B0ACCK000005 DIODE S6204 EVQ21405RJ SW H.BASS...
  • Page 94 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RELAY RQTV0070-1M O/I BOOK (En/Sp) N1DAAAA00001 AM LOOP ANTENNA RL5950 K6B1AEA00015 POWER RELAY RSA0006-L FM ANTENNA WIRE K2DA42E00001 AC PLUG ADAPTOR...
  • Page 95 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2113 D0GB123JA007 12K 1/16W R2352 D0GB270JA007 27 1/16W R2121 D0GB332JA007 3.3K 1/16W R2353 ERJ3GEY0R00V 0 1/16W R2122 D0GB332JA007 3.3K 1/16W R2354...
  • Page 96 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2622 D0GB272JA007 2.7K 1/16W R2863 D0GB473JA041 47K 1/16W R2623 D0GB683JA007 68K 1/16W R2864 D0GB101JA007 100 1/16W R2624 D0GB330JA007 33 1/16W R2865...
  • Page 97 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R5126 ERJ3GEYJ102V 1K 1/16W R6107 D0GB472JA041 4.7K 1/16W R5127 D0GB471JA041 470 1/16W R6108 ERJ3GEYJ682V 6.8K 1/16W R5130 D0GB151JA007 150 1/16W R6109...
  • Page 98 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks W2501 ERJ3GEY0R00V CHIP JUMPER W7005 ERJ3GEY0R00V CHIP JUMPER W2503 ERJ3GEY0R00V CHIP JUMPER W7006 ERJ6GEY0R00V CHIP JUMPER W2506 ERJ3GEY0R00V CHIP JUMPER W7007...
  • Page 99 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C1042 ECA1CAK220XB 22 16V C2331 ECJ1VB1H472K 4700P 50V C1043 ECA1HAK4R7XB 4.7 50V C2333 ECJ1VB1A105K 1 10V C1044 ECA1AAK330XB 33 10V C2341...
  • Page 100 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2649 F1H1C104A008 0.1 16V C5210 F1H1H221A748 220P 50V C2671 ECJ1VC1H101K 100P 50V C5301 ECJ1VB1A474K 0.47 10V C2673 ECJ1VC1H101K 100P 50V C5302...
  • Page 101 SA-AK340GCP Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C5438 ECJ1VB1H153K 0.015 50V C7253 ECJ1VB1H471K 470P 50V C5701 ECA0JAK101XB 100 6.3V C7263 ECJ1VB1C104K 0.1 16V C5920 ECA1HM102E 1000 50V C7264 ECJ1VB1C104K 0.1 16V...

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