ORDER NO. MD0512471C2 CD Stereo System SA-AK340E SA-AK340EB SA-AK340EG 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...
SA-AK340E / SA-AK340EB / SA-AK340EG MP3, WMA 32 kbps to 320 kbps Power consumption in standby 0.5 W mode Sampling frequency Dimensions (W x H x D) 250 x 330 x 343 mm MP3/WMA 32 kHz, 44.1 kHz, 48 kHz Mass 6.9 kg...
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SA-AK340E / SA-AK340EB / SA-AK340EG 17 Schematic Diagram 18.4. (D) Transformer P.C.B. 17.1. Notes of Schematic Diagrams 18.5. (E) Power P.C.B. 17.2. (A) CD Servo Circuit 18.6. (F) Deck P.C.B. & (G) Deck Mechanism P.C.B. 17.3. (B) Main (Tuner) Circuit 19 Illustration of ICs, Transistors and Diodes 17.4.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 1.2. Caution for AC Mains Lead 1.3. Before repair and adjustment Disconnect AC power, discharge Power Capacitors C5101, C5104, C5171, C5172, C5920, C5940 and C5950 through a 10Ω, 5W...
SA-AK340E / SA-AK340EB / SA-AK340EG resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid overcurrent. Current consumption at AC 240V, 50 Hz in NO SIGNAL mode (volume min at CD mode) should be ~ 350mA.
SA-AK340E / SA-AK340EB / SA-AK340EG 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).
SA-AK340E / SA-AK340EB / SA-AK340EG 4 Precaution of Laser Diode Caution : This product utilizes a laser diode with the unit turned "ON", invisible laser radiation is emitted from the pick up lens. Wavelength : 780 nm Maximum output radiation power from pick up : 100 µW/VDE Laser radiation from pick up unit is safety level, but be sure the followings: 1.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
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SA-AK340E / SA-AK340EB / SA-AK340EG · 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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...
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SA-AK340E / SA-AK340EB / SA-AK340EG 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...
SA-AK340E / SA-AK340EB / SA-AK340EG 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...
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SA-AK340E / SA-AK340EB / SA-AK340EG 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...
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SA-AK340E / SA-AK340EB / SA-AK340EG Error Code Diagnosis Contents Description of error Automatic FL Display Remarks ITOP UD assembly UD Rack does For CD changer unit (CRS1). move to front direction. Press [SINGLE CHANGE] on main unit This lead to UD base for next error.
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SA-AK340E / SA-AK340EB / SA-AK340EG 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, unit(s)) it fails to close.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
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SA-AK340E / SA-AK340EB / SA-AK340EG 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 10.14 of this service manual.Please refer to original...
SA-AK340E / SA-AK340EB / SA-AK340EG 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 ·...
SA-AK340E / SA-AK340EB / SA-AK340EG 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 ·...
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
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SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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 ·...
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SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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 ·...
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SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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 ·...
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SA-AK340E / SA-AK340EB / SA-AK340EG Step 6 Remove the flywheel R. Step 7 Release the claw and remove the winding lever and spring. [Installation of the belt] Step 1 The boss and marking should be positioned horizontally. Step 2 Put the winding belt on the pulley temporarily.
SA-AK340E / SA-AK340EB / SA-AK340EG tighten screws. Step 7 Put the capstan belt A temporarily as shown below. Step 10 Install 3 screws. Step 11 Put the capstan belt B as shown below. Step 8 Put the capstan belt B on the motor ass’y pulley.
SA-AK340E / SA-AK340EB / SA-AK340EG Step 2 Push up the cassette lid (L/R) in the direction of arrow. (For DECK1 and DECK2). 10.18. Rectification for tape jam problem · Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet...
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
SA-AK340E / SA-AK340EB / SA-AK340EG 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 SOLDER SIDE Z2620 CN2801 (TUNER PACK) CN5102 BLACK CN2809 MOTOR CN2808 CN2805 JK5101 JK5102...
SA-AK340E / SA-AK340EB / SA-AK340EG 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...
SA-AK340E / SA-AK340EB / SA-AK340EG 17.2. (A) CD Servo Circuit SCHEMATIC DIAGRAM - 1 OPTICAL CD SERVO CIRCUIT PICKUP CIRCUIT : +B SIGNAL LINE : CD-DA SIGNAL LINE : CD SIGNAL LINE W7022 W7020 LASER DIODE CP701 R7601 C7232 W7006...
SA-AK340E / SA-AK340EB / SA-AK340EG 17.3. (B) Main (Tuner) Circuit SCHEMATIC DIAGRAM - 2 : +B SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE : FM/AM SIGNAL LINE : FM OSC SIGNAL LINE : AM OSC SIGNAL LINE...
SA-AK340E / SA-AK340EB / SA-AK340EG 17.4. (B) Main Circuit SCHEMATIC DIAGRAM - 3 : +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-AK340E / SA-AK340EB / SA-AK340EG 17.5. (C) Panel Circuit SCHEMATIC DIAGRAM - 4 TRANSFORMER CIRCUIT (CN5951) PANEL CIRCUIT ON SCHEMATIC DIAGRAM-5 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE H6555/W6555 1 2 3 4 5 6...
SA-AK340E / SA-AK340EB / SA-AK340EG 17.7. (H) Power Circuit SCHEMATIC DIAGRAM - 6 POWER CIRCUIT : -B SIGNAL LINE : +B SIGNAL LINE : MAIN SIGNAL LINE SA-AK340E/EB/EG POWER CIRCUIT IC5301 IC5401 C1BA00000407 C1BA00000407 2-CH DIGITAL AMP 2-CH DIGITAL AMP...
SA-AK340E / SA-AK340EB / SA-AK340EG 18 Printed Circuit Board Note: Circuit board diagrams may be modified at any time with the development of new technology.
SA-AK340E / SA-AK340EB / SA-AK340EG 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...
SA-AK340E / SA-AK340EB / SA-AK340EG 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...
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SA-AK340E / SA-AK340EB / SA-AK340EG 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...
SA-AK340E / SA-AK340EB / SA-AK340EG 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.
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RML0371 FR LEVER RML0372-2 WINDING LEVER TRANSISTORS RML0374-2 EJECT LEVER RMM0131-1 BRAKE ROD Q1003 B1AAGC000007 TRANSISTOR RMM0133-1...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks D2583 B0BC9R000008 DIODE S6202 EVQ21405RJ SW DISPLAY/DEMO D2601 B0BC5R000009 DIODE S6203 EVQ21405RJ SW DECK 1/2 D2602 B0CDBB000015...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks CF2601 J0B1075AA006 CERAMIC CAPACITOR A1-1 RKK-HTR0283H R/C BATTERY COVER CF2602 J0B1075AA006 CERAMIC CAPACITOR K2CQ2CA00002 AC CORD [M]EG/E...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2131 D0GB332JA007 3.3K 1/16W R2423 D0GB393JA007 39K 1/16W R2132 D0GB332JA007 3.3K 1/16W R2426 ERJ3GEY0R00V 0 1/16W R2145...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2638 D0GB332JA007 3.3K 1/16W R2902 ERDS1FVJ330T 33 1/2W R2639 D0GB223JA041 22K 1/16W R2907 ERJ3GEYJ102V 1K 1/16W R2640...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R5138 ERJ8GEYJ100V 10 1/8W R6207 D0GB472JA041 4.7K 1/16W R5139 ERJ8GEYJ100V 10 1/8W R6208 D0GB393JA007 39K 1/16W R5140...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks W2534 ERJ3GEY0R00V CHIP JUMPER W7024 ERJ3GEY0R00V CHIP JUMPER W2535 ERJ3GEY0R00V CHIP JUMPER W7025 ERJ3GEY0R00V CHIP JUMPER W2536...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2192 F1H1C104A041 0.1 16V C2611 ECA1HAK4R7XB 4.7 50V C2193 ECJ1VB1A105K 1 10V C2612 F1H1H103A219 0.01 50V C2194 F1H1A154A001 0.15 10V...
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SA-AK340E / SA-AK340EB / SA-AK340EG Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2965 F1H1H102A219 1000P 50V C5333 F1H2A221A009 220P 100V C2966 F1H1C104A041 0.1 16V C5334 ECJ1VB1H153K 0.015 50V C2967...