Service Manual TOP NEXT ORDER NO. MD0212275C3 CD Stereo System SA-AK310GC SA-AK310GN Colour (S)... Silver Type TAPE SECTION : SG-2W MECHANISM SERIES Specifications AMPLIFIER SECTION Power output 10% Total harmonic distortion 1kHz, both channels driven (Low channel) 55 W per channel (6 )
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Sensitivity S/ N 20 dB (at 999 kHz) 560µ V/ m CASSETTE DECK SECTION Track system 4 track, 2 channel Heads Record/ playback Solid permalloy head Erasure Double gap ferrite head Motor DC servo motor Recording system AC bias 100 kHz Erasing system AC erase 100 kHz Tape speed...
1 Before Use TOP PREVIOUS NEXT Be sure to disconnect the mains cord before adjusting the voltage selector. Use a minus(-) screwdriver to set the voltage selector (on the rear panel) to the voltage setting for the area in which the unit will be used. (If the power supply in your area is 117V or 120V, set to the “127V”...
2 Before Repair and Adjustment TOP PREVIOUS NEXT Disconnect AC power, discharge Power Supply Capacitors C520 and C540 through a 10 , 5W 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.
3 Protection Circuitry TOP PREVIOUS NEXT The protection circuitry may have operated if either of the following conditions are noticed: 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.
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4 Accessories TOP PREVIOUS NEXT Remote control transmitter FM indoor antenna AC power supply cord (For GC only) AC power supply cord (For GN only) AM Loop antenna Power plug adaptor TOP PREVIOUS NEXT...
6 Handling Precautions For Traverse Deck TOP PREVIOUS NEXT The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by static electricity of clothes or human body. So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup). Handling of traverse deck (optical pickup) 1.
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7 Operation Checks and Component Replacement Procedures TOP PREVIOUS NEXT “ATTENTION SERVICER” Some chassis components may have sharp edges. Be careful when disassembling and servicing. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. For reassembly after operation checks or replacement, reverse the respective procedures.
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7.4.1 Replacement of the Traverse Deck 7.5 Replacement for the disc tray 7.6 Disassembly and reassembly for mechanism base drive unit 7.7 Replacement for the motor ass ’ y 7.8 Replacement for the pinch roller ass ’ y and head block 7.9 Replacement for the Deck motor ass ’...
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7.1 Checking for Main P.C.B. TOP PREVIOUS NEXT Step 1 Remove 3 screws each side and 5 screws at rear panel. Step 2 Lift up both sides of cabinet ass’y, push the cabinet ass’y toward the rear and remove the cabinet ass’y.
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7.2 Disassembly for the CD changer ass’ y TOP PREVIOUS NEXT (The CD changer unit can be removed after the CD Lid is removed) 7.2.1 Disassembly for the CD Lid 7.2.2 Disassembly for CD changer unit TOP PREVIOUS NEXT...
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7.2.1 Disassembly for the CD Lid TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. When opening the disc tray automatically (Using Power Supply) Step 1 Connect the AC power cord. Step 2 Press the POWER button to power up the main unit. Step 3 Press the OPEN/CLOSE button, the disc tray will be open automatically.
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[Open the disc tray manually (Using service tools)] Step 1 Upset the unit as shown below. Step 2 Insert the gear tool into the hole on the underside of CD chasis and then rotate in the direction of arrow. The disc tray will be open. Step 3 Release the 2 claws, and then remove the CD lid cover.
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7.2.2 Disassembly for CD changer unit TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. Step 1 Remove 2 screws at rear cabinet as show below. Step 2 Lift up the mechanism unit cover, and then push in the mechanism unit cover.
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7.3 Checking for the unit operational condition TOP PREVIOUS NEXT (Place the unit horizontally when loading the CD changer unit.) 7.3.1 Initial setting of CD 7.3.2 Checking for the CD Servo P.C.B., Panel P.C.B., Deck P.C.B., Transformer P.C.B. and Power P.C.B.
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7.3.1 Initial setting of CD TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. Step 1 Connect the AC power cord. Step 2 Press POWER button to turn on power for main unit. Step 3 Select the input select button to “CD”.
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7.3.2 Checking for the CD Servo P.C.B., Panel P.C.B., Deck P.C.B., Transformer P.C.B. and Power P.C.B. TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. The initial setting of CD unit must be completed. (Refer to the initial setting of CD unit in Item 7.3.1).
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Step 1 Press the POWER button and the power turns off. Step 2 Remove the connectors. Step 3 Pull out the FFCs. Step 4 Remove the CD changer unit. Step 5 Lay the unit as shown below. Step 6 Remove 2 screws. Step 7 Release the 2 claws, and then draw the front panel ass’y.
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NOTE: Insulate Power P.C.B. with insulation material to avoid short circuit. TOP PREVIOUS NEXT...
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7.3.3 Replacement of the Power Amplifier IC TOP PREVIOUS NEXT Checking the Power P.C.B. Follow the (Step 1) - (Step 2) of Item 7.1. Step 1 Remove the 2 screws fixed to the Power Amplifier IC. Step 2 Remove 2 screws fixed to the Power Amplifier IC and Transistor Holders. Step 3 Break the joint with a metal cutter as shown below.
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7.4 Main Component Replacement Procedures TOP PREVIOUS NEXT 7.4.1 Replacement of the Traverse Deck TOP PREVIOUS NEXT...
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7.4.1 Replacement of the Traverse Deck TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the (Step 1) - (Step 6) of Disassembly for the CD Lid of Item 7.2.1. Follow the disassembly instruction for the CD changer unit of Item 7.2.2. Step 1 Push the power button and the power turns OFF.
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Step 7 Pressing the claw (B) in the direction of arrow (1), the connection lever moves in the direction of arrow (2). Step 8 Lift up the traverse deck ass’y. Step 9 Remove the traverse deck ass’y from the timing lever. Caution: When removing or inserting the traverse deck avoid touching the OPU lens and pressing onto the turntable.
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Step 14 Release the claw, and then remove the traverse deck ass’y. Note: Be careful not to lose the 3 floating spring because those will also be removed on removal of the traverse deck ass’y. Installation of the CD Servo P.C.B. after replacement Step 1 Connect the FFC board.
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Step 3 Force the claw of timing lever. Step 4 Force the disc tray fully. Step 5 With pressing the claw (B) in the direction of arrow (1), force the connection lever in the direction of arrow (2). TOP PREVIOUS NEXT...
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7.5 Replacement for the disc tray TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1 Follow the Disassembly for the CD Lid of Item 7.2.1. Follow the Disassembly for the CD Changer Unit of Item 7.2.2. Follow the (Step 1) - (Step 8) of Item 7.4 Step 1 Remove 4 screws.
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Step 8 Release the both claws, and then draw the disc tray. Step 9 With forcing the left guide bar manually because the left guide bar interfers with claw, draw the disc tray. [Installation of the disc tray after replacement] Step 1 Slide the drive rack fully in the direction of arrow.
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Step 4 Holding the disc tray manually, push the disc tray in the direction of the arrow. TOP PREVIOUS NEXT...
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7.6 Disassembly and reassembly for mechanism base drive unit TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. Follow the Disassembly for the CD changer unit of Item 7.2.2. Follow the (Step 1) - (Step 14) of Item 7.4 Follow the (Step 1) - (Step 9) of Item 7.5 Step 1...
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Step 6 Install the tray lock spring to hook temporary. Step 7 Release the claw, and then remove the tray lock. Step 8 Release the claw, and then remove the rear lock. Step 9 Pressing the claw (B) in the direction of arrow (1), force the connection lever in the direction of arrow (2).
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Step 12 Remove slide plate 1 and slide plate 2. Step 13 Remove the traverse relay gear, traverse cam gear and drive gear. [Dissassembly/reassembly for the spindle base unit] Step 1 Draw the 5 disc spacers. Step 2 Pushing the claw, slide the support plate in the direction of arrow, and then remove it. Step 3 Rotate the disc lever in the direction of arrow (1), draw the disc lever.
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NOTE: Take care not to lose the disc lever spring. Step 4 Release the 2 claws, and then draw the relay gear B. Step 5 Release the 2 claws as shown below. NOTE: Hold the loading stopper ass’y manually bacause it is flipped by spring. Step 6 Remove the cushion spring.
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Step 9 Release the 2 claws, and then remove the spindle shaft. Step 10 Remove the lower spindle spring with tweezers. Step 11 Force the lower hook with thin tip of minus screwdriver. Step 12 Squeeze the shaft of lower hook, and then draw it. Step 13 Rotate the lower spindle in the direction of arrow until the lower spindle interferes with stopper.
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Step 2 Lower the loading stopper ass’y, and then align the lower spindle with the trapezoid tooth of relay gear A. Step 3 Force the loading stopper ass’y, latch the claw firmly. [Reassembly for mechanism base drive unit] Step 1 Install the traverse cam gear.
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Step 4 Install the slide plate 2 to the mechanism base, and then match to the connection lever. Step 5 Install the slide plate 1 to the mechanism base, and then match to the connection leve and align the trapezoid tooth of traverse relay gear with the slide plate 1. Step 6 Install the spindle base unit.
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Step 12 Install the UP/DOWN gear, change gear, change gear spring, pulley gear and belt in the order of (1) - (5). Step 13 Install the gear holder, and then tighten the screw (a). Step 14 Install the tray base, traverse ass’y, mechanism cover and upper plate. [Operation check after servicing] Check the proper operation of following items with gear and hexagonal screwdriver.
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7.7 Replacement for the motor ass’ y TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. Follow the Disassembly for the CD changer unit of Item 7.2.2. Follow the (Step 1) - (Step 8) of Item 7.4 Follow the (Step 1) - (Step 7) of Item 7.5 Step 1...
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1. Locate the name plate of motor to the traverse ass’y. 2. Align the hole of motor with the ribs. TOP PREVIOUS NEXT...
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7.8 Replacement for the pinch roller ass’ y and head block TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. Follow the disassembly for the CD changer unit of Item 7.2.2. Follow the (Step 1) - (Step 14) of Item 7.4 Step 1 Remove the connector.
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Step 9 Tilt the cassette mechanism in the direction of arrow (1), and then remove it in the direction of arrow (2). Step 10 Unsolder the motor terminals. Step 11 Remove 4 screws. Step 12 Remove mechanism Deck P.C.B. * The mechanism as shown below is for DECK1. For the one of DECK 2, perform the same procedures.
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7.9 Replacement for the Deck motor ass’ y, capstan belt A, capstan belt B and winding belt TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. Follow the Disassembly for the CD changer unit of Item 7.2.2.
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[Installation of the belt] Step 1 The boss and marking should be positioned horizontally. 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.
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Step 10 Remove 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. TOP PREVIOUS NEXT...
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7.10 Replacement for the CD motor ass’ y, capstan belt A, capstan belt B and winding belt TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Follow the Disassembly for the CD Lid of Item 7.2.1. Follow the Disassembly for the CD changer unit of Item 7.2.2.
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7.11 Replacement for the cassette lid ass’ y TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Step 1 Force the lever upward, open the cassette lid ass’y. (For DECK1 and DECK2) Step 2 Lift up the cassette lid ass’y in the direction of arrow. (For DECK1 and DECK2). Step 3 Remove the cassette lid ass’y.
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7.12 Measure for tape trouble TOP PREVIOUS NEXT Follow the (Step 1) - (Step 2) of Item 7.1. Step 1 If a cassette tape cannot be removed from the deck since the tape is caught by the capstan or pinch roller during playback or recording, rotate the flywheel F in the direction of the arrow to remove the tape.
8 Precaution of Laser Diode TOP PREVIOUS NEXT 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 frompick up unit is safety level, but be sure the followings: 1.
9 Self-Diagnostic Function TOP PREVIOUS NEXT 9.1 Self-diagnostic display 9.2 How to enter the Self-Diagnostic Function 9.3 Cassette Mechanism Test (For error code H01, H02, H03, F01, F02) 9.4 CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29, H15) 9.5 To clear all Error code 9.6 How to get out from Self-Diagnostic function 9.7 Power Amplifier Failure (F61)
9.1 Self-diagnostic display TOP PREVIOUS NEXT This unit is equipped with a self-diagnostic display function which, if a problem occurs, will display an error code corresponding to the problem. Use this function when performing maintenance on the unit. TOP PREVIOUS NEXT...
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 cassette tape with the erasure prevention tab, remove from left side only and close the cassette holder.
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9.4 CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29, H15) TOP PREVIOUS NEXT 1. Press “CD”. 2. Press “OPEN/CLOSE (1)” and place a CD. 3. Press “OPEN/CLOSE (1)” to close the tray. 4. Press “OPEN/CLOSE (5)” and wait until the tray is open. 5.
9.5 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...
9.7 Power Amplifier Failure (F61) TOP PREVIOUS NEXT 1. When power amplifier fail, F61 will indicate automatically. TOP PREVIOUS NEXT...
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10 Description of Error Code TOP PREVIOUS NEXT 10.1 Error detection for Cassette Mechanism block 10.2 Error detection for CD Changer block 10.3 Power Supply related error detection TOP PREVIOUS NEXT...
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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 (S975). error HALF SWdetection error Playback cannot perform.Faulty contact or short-circuit of HALF switch (S952, S972).
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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 (SW4) NG (Check &...
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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...
11 CD Test Mode Function TOP PREVIOUS NEXT 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. 11.1 How to set CD test mode 11.2 CD Automatically Adjustment result indication TOP PREVIOUS NEXT...
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11.1 How to set CD test mode TOP PREVIOUS NEXT TOP PREVIOUS NEXT...
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11.2 CD Automatically Adjustment result indication TOP PREVIOUS NEXT 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.
12.1 Cassette Deck Section TOP PREVIOUS NEXT Measurement Condition Make sure head, capstan and press roller are clean. Judgeable room temperature 20 ± 5 °C (68 ± 9°F) Measuring instrument EVM (DC Electronic volmeter) Digital fruency counter Test Tape Tape speed gain adjustment (3 kHz, -10 dB); QZZCWAT 12.1.1 Tape Speed Adjustment (Deck 1 / 2) 12.1.2 Bias and Erase Voltage Check 12.1.3 Bias Frequency Adjustment (Deck 1 / 2)
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12.1.1 Tape Speed Adjustment (Deck 1/ 2) TOP PREVIOUS NEXT 1. Set the tape edit button to “NORMAL” position. 2. Insert the test tape (QZZCWAT) to DECK 2 and playback (FWD side) the middle portion of 3. Adjust Motor VR (DECK 2) for the output value shown below. Adjustment target: 2940 ~ 3060 Hz (NORMAL speed) 4.
12.1.2 Bias and Erase Voltage Check TOP PREVIOUS NEXT 1. Set the unit “AUX” position. 2. Insert the Normal blank tape (QZZCRA) into DECK 2 and the unit to “REC” mode (use “• REC/STOP” key). 3. Measure and make sure that the output is within the standard value. Bias voltage for Deck 2 14±4mV (Normal) Erase voltage for Deck 2 80mV (Normal)
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12.1.3 Bias Frequency Adjustment (Deck 1/ 2) TOP PREVIOUS NEXT 1. Set the unit to “AUX” position. 2. Insert the Normal blank tape (QZZCRA) into DECK 2 and set the unit to “REC” mode (• use “REC/STOP” key). 3. Adjust L1002 so that the output frequency is within the standard value. Standard Value: 97 ±8 kHz Fig.
12.2.1 AM-IF Alignment TOP PREVIOUS NEXT 1. Connect the instrument as shown in Fig. 5. 2. Set the unit to AM mode. 3. Apply signal as shown in Fig. 5 from AM-SG. 4. Adjust Z102 so that the output frequency is maximized in Fig. 6. Fig.
12.2.2 AM RF Adjustment TOP PREVIOUS NEXT 1. Connect the instrument as shown in Fig. 7. 2. Set the unit to AM mode. 3. Set AM-SG to 520kHz. 4. Receive 520kHz in the unit. 5. Adjust Z101 (OSC) so that the EVM-AC is maximized. 6.
13 Schematic Diagram TOP PREVIOUS NEXT (All schematic diagrams may be modified at any time with the development of the new technology) Note: : Push switch : Push switch : Open Switch : CD switch : Lock switch S601 : Power switch S602 : SSEQ switch S603...
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S607 : CD 1 switch S608 : CD 2 switch S609 : CD 3 switch S610 : CD 4 switch S611 : CD 5 switch S701 : Reset switch S901 : REW switch S902 : Tuner switch S903 : CD switch S904 : FF switch S905...
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: AUX switch S909 : Deck 1 switch S910 : Display switch S951 : Mode switch S952 : Half switch S971 : Mode switch S972 : Half switch S975 : Recinh_f switch VR600 : VR Volume Jog The voltage value and waveforms are the reference voltage of this unit measured by DC electronic voltmeter (high impedance) and oscilloscope on the basis of chassis.
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Secondary trouble can be prevented by taking care during repair. Cover the parts boxes made of plastics with aluminium foil. Put a conductive mat on the work table. Ground the soldering iron. Do not touch the pins of IC, LSI or VLSI with fingers directly. TOP PREVIOUS NEXT...
SCHEMATIC DIAGRAM -1 : +B SIGNAL LINE : CD-DA SIGNAL LINE OPTICAL PICKUP CIRCUIT CD SERVO CIRCUIT R701 LASER DIODE C701 6.3V33 Q701 Q701 B1ADCF000001 C703 LASER POWER DRIVE 6.3V100 R750 LD GND NBOUT C704 C714 6.3V100 C707 0.027 NAOUT C713 VREF VREF...
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SCHEMATIC DIAGRAM - 2 : +B SIGNAL LINE : CD SIGNAL LINE : CD-DA SIGNAL LINE CD SERVO CIRCUIT R717 C727 C725 50V1 R721 1000P C726 C731 1000P 6.3V220 C730 R718 C728 50V1 C754 C732 C733 470P 6.3V220 LCH OUT A.GND RCH OUT C753...
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SCHEMATIC DIAGRAM - 3 : +B SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE : FM/AM SIGNAL LINE : FM OSC SIGNAL LINE : AM OSC SIGNAL LINE TUNER/MAIN CIRCUIT Q106 TUNER PACK Z120 R104 C103 B1AAAC000011 R107 CF201 CF202 0.01...
SCHEMATIC DIAGRAM - 4 : +B SIGNAL LINE : AUX SIGNAL LINE : MAIN SIGNAL LINE : -B SIGNAL LINE : CD SIGNAL LINE : PLAYBACK SIGNAL LINE PANEL CIRCUIT : RECORD SIGNAL LINE : FM/AM SIGNAL LINE : MIC SIGNAL LINE (CP601) ON SCHEMATIC DIAGRAM-9 MAIN CIRCUIT...
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SCHEMATIC DIAGRAM - 5 : MAIN SIGNAL LINE : +B SIGNAL LINE : -B SIGNAL LINE : CD SIGNAL LINE PANEL CIRCUIT (CP602) ON : FM/AM SIGNAL LINE SCHEMATIC DIAGRAM-9 MAIN CIRCUIT CN302 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 Q203, Q403 R406 R404...
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SCHEMATIC DIAGRAM - 6 : +B SIGNAL LINE : AUX SIGNAL LINE : MAIN SIGNAL LINE : FM/AM SIGNAL LINE : CD SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE MAIN CIRCUIT D301 UDZSTE177R5B D301 TGND TUNER DET_OUT DET_OUT CIRCUIT R416...
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SCHEMATIC DIAGRAM - 9 : -B SIGNAL LINE : MAIN SIGNAL LINE : MIC SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT Q603 Q604 D613 KTA1276GRTA KTA1276GRTA B0BA5R600016 TRANSFORMER VREF SUPPLY SWITCH DECK SUPPLY SWITCH Z600 L601 CIRCUIT B3RAB0000025 SYS6V SYS6V G0C100JA0030 REMOTE SENSOR...
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SCHEMATIC DIAGRAM -10 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE DECK CIRCUIT R1038 R1039 R1055 4.7 K 2.2K C1038 220P R1098 C1044 R1015 C1034 10V33 50V3.3 C1032 IC1001 0.018 AN7348S-E1 PLAYBACK R1040 HEAD P.B EQ/REC AMP/...
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SCHEMATIC DIAGRAM - 11 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE MAIN CIRCUIT (CN304) ON SCHEMATIC DIAGRAM-4 DECK CIRCUIT CN1001 Q1017 KTD1146YTA 50V3.3 C1054 MOTOR SWITCH C1064 50V3.3 R1091 R1095 2.2K 100K R1057 R1060...
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SCHEMATIC DIAGRAM - 12 : -B SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE POWER CIRCUIT IC501 IC501 RSN315H42-P POWER HIC Q512-Q513 B1AAGC000006 C501 0.01 DC DETECT SWITCH HIGH SPKR_L_GND CHANNEL SPEAKER SPKR_R_GND R250 JK951 C242 C244 R255 C243 820P 0.047...
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SCHEMATIC DIAGRAM - 13 : +B SIGNAL LINE : -B SIGNAL LINE TRANSFORMER CIRCUIT (FOR GN ONLY) D950-D953 1N5402BM21 VCC+ D952 D950 VCC- POWER C960 CIRCUIT AC GND (H950/ W950) ON D953 D951 T950 SCHEMATIC AC_IN ETP76VMT61WA RL950 DIAGRAM-12 RSY0040M-0 SUB B SUB+B GND D954-D957...
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SCHEMATIC DIAGRAM - 14 : +B SIGNAL LINE : -B SIGNAL LINE VOLTAGE SELECTOR CIRCUIT S950 TRANSFORMER CIRCUIT (FOR GC ONLY) K0AFZA000005 VOLTAGE SELECTOR D950-D953 1N5402BM21 VCC+ D952 D950 VCC- POWER CIRCUIT AC GND C960 (H950/ W950) ON SCHEMATIC D954-D957 T950 AC_IN D953...
14 Printed Circuit Board TOP PREVIOUS NEXT Note: Circuit board diagrams may be modified at any time with the development of new technology. TOP PREVIOUS NEXT...
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TO MAIN UNIT IC702 MN662790RSC SERVO PROCESSOR/ DIGITAL SIGNAL PROCESSOR DIGITAL FILTER/ D/A CONVERTER CLVS MAIN UNIT OUTR BLKCK BLKCK /CLDCK SBCK SUBC MAIN UNIT DEMPH OUTL CD SIGNAL SSEL FLAG SQCK SQCK IPFLAG SUBQ SUBQ DIGITAL AUDIO INTERFACE PLLF DIGITAL AUDIO INTERFACE PLLF2...
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AM ANT FM ANT Z101 Z120 CF201 CF202 Q101 COIL COIL MIXER IF AMP RF AMP BUFFER (FM) DECODER RM AMP BUFFER PILOT PHASE CANCEL STEREO LEVEL S-CURVE SWITCH AM/FM COMP BUFFER TUNING DRIVE PILOT Z102 IC101 X102 LA1833NMNTLM FM/AM IF AMP DET/AM OSC MIX/FM MPX ST/DO...
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C0GAM0000005 MOTOR DRIVE Vs 8 OUT1 OUT2 POWER SUPPLY CONTROL Q322 CD STATUS STATUS INTERFACE SWITCH Q321 SUBQ SUBQ INTERFACE SWITCH D323 SQCK ST/DO Q320 Q324 BLKCLK CD MOTOR BLKCK SUPPLY INTERFACE SWITCH SWITCH /CDRST Q323 PLUNGER MOTOR SUPPLY CONTROL SWITCH D322 MLD/PLLCE...
16 Wiring Connection Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT...
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FM ANT AM ANT H950/W950 JK101 JK300 Z120 CN501 CD LOADING P.C.B Z101 CN300 MAIN / TUNER P.C.B SOLDER SIDE Z102 CF201 CF202 CD DETECT P.C.B TUNER PACK SOLDER SIDE P.C.B POWER P.C.B SOLDER SIDE CN309 13 14 CN310 CN301 CN500 W1 1.
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17 Illustration of IC’ s, Transistors and Diodes TOP PREVIOUS NEXT TOP PREVIOUS NEXT...
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18 Terminal Function of IC’ s TOP PREVIOUS NEXT 18.1 IC701 (AN8885SBE1) Servo Amplifier 18.2 IC702 (MN662790RSC) S ervo processor / Digital signal processor / Digital filter / D / A converter 18.3 IC703 (AN8739SBTE2) Focus coil / Tracking coil / Traverse motor / Spindle motor driver 18.4 IC600 (C2BBGF000405) System Microprocessor TOP PREVIOUS NEXT...
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18.1 IC701 (AN8885SBE1) Servo Amplifier TOP PREVIOUS NEXT Pin No. Mark Function Tracking signal input 1 Tracking signal input 2 Power supply Focus signal input terminal 1 Focus signal input terminal 2 APC amp input APC amp output RF summing output RFIN Detector’s input CSBRT...
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18.2 IC702 (MN662790RSC) S ervo processor/ Digital signal processor/ Digital filter/ D/ A converter TOP PREVIOUS NEXT Mark I/O Function BCLK N.C. LRCK N.C. SRDATA O N.C. DVDD1 Power supply input ( for digital circuit) DVSS1 GND (digital circuit) Digital audio interface signal output (Latches data at first transition) MCLK Microprocessor command clock signal input MDATA...
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/RFDET RF detection signal input (“L” : detection) Dropout signal input (“H” : Dropout) LDON Laser on signal output (“H” : ON) PLLF2 I/O N.C. DSLF2 Tracking Offset alignment output/DSL Balance Output (DA Output) WVEL N/C. RF signal input IREF Reference current input DSL bias terminal (not used, open) DSLF...
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18.3 IC703 (AN8739SBTE2) Focus coil/ Tracking coil/ Traverse motor/ Spindle motor driver TOP PREVIOUS NEXT Pin No. Mark Function /RST RESET output terminal N.C. Motor drive (2) input Turntable motor drive signal (“L” :ON) N.C. Motor driver (1) input N.C. PVCC1 I Power supply (1) for driver PGND1 -...
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18.4 IC600 (C2BBGF000405) System Microprocessor TOP PREVIOUS NEXT Pin No. Mark Function DECK2 (RECI_F/MODE2/RECI_R/ HALF2) KEY1 Key 1 input KEY2 Key 2 input VJOG_A Volume jog A-D detection VJOG_B Volume jog A-D detection CHG_AD2 (Position/bottom) chngr sw A-D detection input 1 CHG_AD1 (Position/bottom) chngr sw A-D detection input 2 DECK 1...
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/RESTSW CD limit SW input for the most inner point (Active Low) CDRST CD reset output PHOTO_01 Counter input PHOTO_02 Counter input 44-78 SEG37 - SEG3 O Segment drive output. (Anode drive output) 79-80 R10/SEG2 - Regional/Function setting use/Segment drive output R9/SEG1 81-88 REG8/GRID8-...
20 Parts Location and Replacement Parts List TOP PREVIOUS NEXT 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.
20.2 CD Loading Mechanism (RD-DAC026-S) 20.2.1 CD Loading Mechanism Parts Location 20.2.2 CD Loading Mechanism Parts List 20.3 Cabinet 20.3.1 Cabinet Parts Location 20.3.2 Cabinet Parts List 20.4 Electrical Parts List 20.5 Packing Materials & Accessories Parts List 20.6 Packaging TOP PREVIOUS NEXT...
20.1.2 Deck Mechanism Parts List TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks CASSETTE DECK RED0069 R/P HEAD BLOCK UNIT RED0070 P/B HEAD BLOCK UNIT RDG0300 REEL BASE GEAR RDG0301 WINDING RELAY GEAR RDK0026 MAIN GEAR RDV0033-4 WINDING BELT RDV0064...
20.2 CD Loading Mechanism (RD-DAC026-S) TOP PREVIOUS NEXT 20.2.1 CD Loading Mechanism Parts Location 20.2.2 CD Loading Mechanism Parts List TOP PREVIOUS NEXT...
20.2.2 CD Loading Mechanism Parts List TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks TRAVERSE DECK RML0517 TIMING LEVER RML0516 PLUNGER LEVER RMB0551 UPPER SPINDLE SPRING RMQ0744 LOWER HOOK RDV0056 BELT RML0525 FRONT LOCK LEVER RML0526 DISC LEVER RDG0424 DRIVE GEAR...
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RML0522 TURNING STOPPER RMQ0745 LOWER SPINDLE RMQ0746 UP/DOWN BASE RMB0550 LOWER SPINDLE SPRING RMQ0747 UPPER HOOK RME0263 CLICK SPRING RMQ0743 SPINDLE SHAFT RMB0552 CUSHION SPRING RDG0430 RELAY GEAR ‘A’ RDG0431 RELAY GEAR ‘B’ RME0262 DISK LEVER SP. RMA1105 SUPPORT PLATE RAE0152Z-3 TRAVERSE 358-1...
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20.3 Cabinet TOP PREVIOUS NEXT 20.3.1 Cabinet Parts Location 20.3.2 Cabinet Parts List TOP PREVIOUS NEXT...
20.3.2 Cabinet Parts List TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks CABINET AND CHASSIS REEX0202 10P FFC BLOCK REEX0204 19P FFC (CU TO MAIN) REEX0210 17P FFC REEX0211 14P FFC WIRE REEX0212 14P FFC WIRE REEX0215 30P FFC RGBX0011-S...
20.4 Electrical Parts List TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks PRINTED CIRCUIT BOARD REPX0192D CD SERVO P.C.B. [M](RTL) REPX0325C MAIN P.C.B. [M](RTL)GC REPX0325D MAIN P.C.B. [M](RTL)GN REPX0326D PANEL P.C.B. [M](RTL)GC REPX0326C PANEL P.C.B. [M](RTL)GN REPX0326D TACT SWITCH P.C.B.
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20.5 Packing Materials& Accessories Parts List TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks PACKING MATERIALS RPGX1092 PACKING CASE [M]GC RPGX1093 PACKING CASE [M]GN RPNX0158-J POLYFOAM RPFX0059 MIRAMAT BAG ACCESSORIES N2QAGB000029 REMOTE CONTROL A1-1 RKK-HTR0283 R/C BATTERY COVER RJA0019-2K AC CORD (SF) [M]GC...
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20.6 Packaging TOP PREVIOUS TOP PREVIOUS...
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20.5 Packing Materials& Accessories Parts List TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks PACKING MATERIALS RPGX1092 PACKING CASE [M]GC RPGX1093 PACKING CASE [M]GN RPNX0158-J POLYFOAM RPFX0059 MIRAMAT BAG ACCESSORIES N2QAGB000029 REMOTE CONTROL A1-1 RKK-HTR0283 R/C BATTERY COVER RJA0019-2K AC CORD (SF) [M]GC...
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20.6 Packaging TOP PREVIOUS TOP PREVIOUS...
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20.6 Packaging TOP PREVIOUS TOP PREVIOUS...