Panasonic SA-AK330EE Service Manual
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Panasonic SA-AK330EE Service Manual

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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 26 dB
Antenna terminal(s)
Amplitude Modulation (AM)
Frequency range
Sensitivity
S/N 20 dB (at 999 kHz)
Audio performance (Amplifier)
Input sensitivity/Input impedance
Aux
Phone jack
Terminal
n CASSETTE DECK SECTION
90 W per channel (5 Ω)
90 W per channel (5 Ω)
360 W
FM 15 stations
AM 15 stations
87.50 - 108.00 MHz (50 kHz steps)
1.8 µV (IHF)
1.5 µV
75 Ω (unbalanced)
522 - 1629 kHz (9 kHz steps)
560 µV/m
250 mV,14.7 kΩ
Stereo, 3.5 mm jack
SA-AK330EE
Colour
(K)... Black Type
(S)... Silver Type
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed
Overall frequency response (+3 dB, -6 dB at DECK OUT)
NORMAL
S/N
Wow and flutter
Fast forward and rewind time
n DISC SECTION
Discs played [8 cm or 12 cm]
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3 formatted discs)
(3) MP3
Bit rate
MP3
Sampling frequency
MP3
CD
Decoding
Digital filter
© 2004 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0412591C3
CD Stereo System
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
DC servo motor
AC bias 100 kHz
AC erase 100 kHz
35 Hz - 14 kHz
50 dB (A weighted)
0.18 % (WRMS)
Approx. 120 seconds with
C-60 cassette tape
32 kbps - 320 kbps
32 kHz, 44.1 kHz, 48 kHz
16 bit linear
Unauthorized
copying
4.8 cm/s
44.1 kHz
8 fs
and

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Summary of Contents for Panasonic SA-AK330EE

  • Page 1 ORDER NO. MD0412591C3 CD Stereo System SA-AK330EE Colour (K)... Black Type (S)... Silver Type Specifications n AMPLIFIER SECTION Track system 4 track, 2 channel RMS output power Heads THD 10%, both channels driven Record/playback Solid permalloy head 1 kHz, Erasure Double gap ferrite head 90 W per channel (5 Ω)

  • Page 2: Table Of Contents

    SA-AK33 0EE D/A converter MASH (1 bit DAC) Mass 7.1 kg Pickup Operating temperature range +5 to +35°C Wavelength 780 nm Operating humidity range 5 to 90% RH (no condensation) Beam Source Semiconductor laser n SYSTEM Audio output (Disc) SC-AK330 (EE-S) Music center: SA-AK330 (EE-S) Number of channels 2 (Stereo) (FL,FR)
  • Page 3 SA-AK33 0EE 16.7. (I) Deck Circuit & (J) Deck Mechanism Circuit 20.1. IC7002 (MN6627953HB) Servo processor/ Digital signal 17 Printed Circuit Board processor/ Digital filter/ D/A converter 17.1. (A) CD Servo P.C.B. 20.2. IC7003 (AN8739SBTE2) Focus coil/ Tracking coil/ 17.2. (B) Main P.C.B. Traverse motor/ Spindle motor drive 17.3.

  • Page 4: Before Repair And Adjustment

    SA-AK33 0EE 1 Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C5820 and C5840 through a 10Ω, 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.

  • Page 5: Prevention Of Electro Static Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    SA-AK33 0EE 3 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by electricity. Such components commonly are called Electrostatica lly Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field- effect transistors and semiconductor “chip”...

  • Page 6: Handling Precautions For Traverse Deck

    SA-AK33 0EE 5 Handling Precautions For Traverse Deck 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). ·...

  • Page 7: Precaution Of Laser Diode

    SA-AK33 0EE 6 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.

  • Page 8: Accessories

    SA-AK33 0EE 7 Accessories Remote Control FM Antenna AC Cord AM Loop Antenna...

  • Page 9: Operation Procedures

    SA-AK33 0EE 8 Operation Procedures...
  • Page 10 SA-AK33 0EE...

  • Page 11: Disassembly And Assembly Of Main Component

    SA-AK33 0EE 9 Disassembly and Assembly of Main Component “ATTENTION SERVICER” Some chassis components may have sharp edges. Be careful when disassemblin g and servicing. 1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.

  • Page 12: Gear For Servicing (Jig) Information

    SA-AK33 0EE 9.2. Gear for servicing (jig) Information 1. This unit has a gear which is used for checking items (Open/Close of disc tray, up/down operation of traverse unit by manually) when servicing. 2. For preparation of gear (for servicing), perform the procedures as follows. 3.

  • Page 13: Disassembly Of Top Cabinet

    SA-AK33 0EE 9.3. Disassembly of Top Cabinet Step 1 Remove 2 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 and remove the top cabinet. 9.4.
  • Page 14 SA-AK33 0EE Step 2 Release the 2 claws, and then remove the CD lid cover. Step 6 Press the POWER button to turn the power off. · [Opening the disc tray manually (Using service tools)] Step 3 Repeat Step 2 but rotate the gear tools in anti-clockwise direction.

  • Page 15: Disassembly Of Rear Panel

    SA-AK33 0EE 9.5. Disassembly of Rear Panel · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet Step 1 Remove 7 screws and disconnect wire CN2810 (Fan) at rear cabinet as shown. 9.6. Disassembly of CD Mechanism Unit ·...

  • Page 16: Disassembly Of Main P.c.b

    SA-AK33 0EE 9.7. Disassembly of Main P.C.B. · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid · Follow the (Step 1) of Item 9.5 - Disassembly of Rear Panel ·...

  • Page 17: Disassembly Of Transformer P.c.b

    SA-AK33 0EE · Replacement of the Power Amplifier IC/ Voltage Regulator Step 1 Remove 2 screws fixed to the Power Amplifier IC and 1 Step 3 Unsolder the terminals of Power Amp IC, transistor and screw to Voltage Regulator. replace the components. Step 4 Fix back the cut portion with a screw as shown.

  • Page 18: Disassembly Of Front Panel Unit

    SA-AK33 0EE 9.10. Disassembly of Front Panel Unit · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...

  • Page 19: Cd Mechanism Main Component Replacement Procedures

    SA-AK33 0EE Step 7 Unsolder the motor terminals. Step 8 Remove Deck Mechanism P.C.B. 9.12. CD Mechanism Main Component Replacement Procedures · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...
  • Page 20 SA-AK33 0EE Step 6 Lift up the traverse deck ass’y. Step 10 Remove the FFC board from the connector, and then remove the CD Servo P.C.B. Step 7 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.
  • Page 21 SA-AK33 0EE Note: Step 1 Install the traverse deck ass’y to the timing lever. Be careful not to lose the 3 floating spring because those will Step 2 Align the boss of traverse deck ass’y with the slot of also be removed on removal of the traverse deck ass’y. traverse cam gear.
  • Page 22 SA-AK33 0EE Step 5 With pressing the claw (B) in the direction of arrow (1), force the connection lever in the direction of arrow (2). 9.12.2. Replacement for the Disc Tray Step 1 Remove 4 screws. Step 2 Remove the upper plate. Step 3 Remove 3 screws.
  • Page 23 SA-AK33 0EE Step 6 Insert the gear with hexagonal wrench into the hole. 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 7 Rotate the hexagonal wrench in the direction of arrow, and then open the disc tray fully.
  • Page 24 SA-AK33 0EE NOTE: Force the right guide bar of tray base manually not to move upwards. Step 4 Holding the disc tray manually, push the disc tray in the direction of the arrow. 9.12.3. Disassembly and reassembly for mechanism base drive unit Step 1 Remove 3 screws.
  • Page 25 SA-AK33 0EE Step 9 Pressing the claw (B) in the direction of arrow (1), force the connection lever in the direction of arrow (2). 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.
  • Page 26 SA-AK33 0EE Step 13 Remove the traverse relay gear, traverse cam gear and drive gear. Step 11 Lift up the left end of spindle base unit in the direction of arrow (1), and then remove the unit in the direction of arrow (2).
  • Page 27 SA-AK33 0EE Step 3 Rotate the disc lever in the direction of arrow (1), draw the disc lever. NOTE: Hold the loading stopper ass’y manually bacause it is flipped by spring. NOTE: Take care not to lose the disc lever spring. Step 6 Remove the cushion spring.
  • Page 28 SA-AK33 0EE Step 8 Release the 2 claws, and then remove the relay gear A. Step 9 Release the 2 claws, and then remove the spindle shaft. Step 12 Squeeze the shaft of lower hook, and then draw it. Step 13 Rotate the lower spindle in the direction of arrow until Step 10 Remove the lower spindle spring with tweezers.
  • Page 29 SA-AK33 0EE spread the hold bars of loading stopper and remove the Step 1 Install the traverse cam gear. UP/DOWN base. Step 2 Rotate the traverse cam gear to the direction of arrow. [Installation for loading stopper ass’y] Step 1 Align the claw of loading stoppers ass’y with the slot of spindle base.
  • Page 30 SA-AK33 0EE Step 4 Install the slide plate 2 to the mechanism base, and then match to the connection lever. Step 7 Move the slide plate 1 to forward fully. Step 5 Install the slide plate 1 to the mechanism base, and then match to the connection leve and align the trapezoid tooth Step 8 Install the rear lock.
  • Page 31 SA-AK33 0EE Step 13 Install the gear holder, and then tighten the screw (a). Step 11 Remove the tray lock spring from hook,and then latch to the tray lock. Step 12 Install the UP/DOWN gear, change gear, change gear spring, pulley gear and belt in the order of (1) - (5). Step 14 Install the tray base, traverse ass’y, mechanism cover and upper plate.
  • Page 32 SA-AK33 0EE 9.12.4. Replacement for the motor ass’y P.C.B. Step 7 Release the claw (B), and then remove the motor ass’y. [Notice for motor ass’y installation] 1. Locate the name plate of motor to the traverse ass’y. 2. Align the hole of motor with the ribs. Step 1 Install the belt temporarily.

  • Page 33: Replacement For The Pinch Roller Ass 馳 And Head Block

    SA-AK33 0EE 9.13. Replacement for the pinch roller ass’y and head block · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...

  • Page 34: Replacement For The Deck Motor Ass 馳, Capstan Belt A, Capstan Belt B And Winding Belt

    SA-AK33 0EE 9.14. Replacement for the Deck motor ass’y, capstan belt A, capstan belt B and winding belt · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...
  • Page 35 SA-AK33 0EE 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 36 SA-AK33 0EE 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.

  • Page 37: Replacement For The Cassette Lid Ass 馳

    SA-AK33 0EE 9.15. Replacement for the cassette lid ass’y · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet Step 1 Lift up the lever upward, open the cassette lid ass’y. (For DECK1 and DECK2) Step 2 Push up the cassette lid ass’y in the direction of arrow.

  • Page 38: Rectification For Tape Jam Problem

    SA-AK33 0EE 9.16. Rectification for tape jam problem · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet Step 1 If a cassette tape cannot be removed from the deck (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 it.

  • Page 39: Checking For Major P.c.bs

    SA-AK33 0EE 10 Checking for major P.C.Bs Note: Checking of all major P.C.Bs (Main P.C.B., Panel P.C.B., Transformer P.C.B., Deck P.C.B., Deck Mechanism P.C.B. and Power P.C.B.) can be carried out using below procedures. For the disassemblin g procedures, refer to Section 9. 10.1.

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

    SA-AK33 0EE 10.2. Checking of Transformer P.C.B. 1. Remove Top Cabinet and Rear Panel. 2. Remove CD Lid. 3. Disassemble CD Mechanism Unit. 4. Connect FFC wires (CN2801 & CN2805) from CD Mechanism Unit.

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

    SA-AK33 0EE 10.3. Checking of Panel, Deck & Deck Mechanism P.C.B. 1. Remove Top Cabinet. 2. Remove CD Lid. 3. Disassemble CD Mechanism Unit. 4. Remove volume knob at Front Panel Unit. 5. Disassemble Panel P.C.B. 6. Disassemble Deck Mechanism Unit. 7.

  • Page 42: Checking Of Power P.c.b

    SA-AK33 0EE 10.4. Checking of Power P.C.B. 1. Remove Top Cabinet and Rear Panel. 2. Remove CD Lid. 3. Disassemble CD Mechanism Unit. 4. Remove 3 screws at Transformer P.C.B.. 5. Remove 2 screws at heat sink and 1 screw at Power P.C.B. 6.

  • Page 43: Self-Diagnostic Function

    SA-AK33 0EE 11 Self-Diagnostic Function 11.1. Self-diagnostic display This unit is equipped with a self-diagnost ic display function which, will display an error code corresponding to the problem occuring. Use this function when performing checking maintenance on the unit. 11.2. How to enter the Self-Diagnostic Function 11.3.

  • Page 44: To Clear All Error Code

    SA-AK33 0EE 3. Press to close the tray. 4. Press “CD DIRECT PLAY (5)” and wait until the tray is open. 5. Press and remove the CD. 6. Press to close the tray. 7. Press “n/STOP” to indicate Error Code. ·...
  • Page 45 SA-AK33 0EE 11.8.3. Power supply related error detection Abnormal Items Error Display Method of Detection POWER AMP output abnormal During normal operation, if DCDET becomes ‘L’, normal POWER OFF process shall not be executed, PCNT shall be switched to ‘L’ immediately.

  • Page 46: Cd Test Mode Function

    SA-AK33 0EE 12 CD Test Mode Function 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. 12.1.

  • Page 47: Micon Rom Checksum And Version Display Mode

    SA-AK33 0EE · It shall move up one counter when the above operations ends. The counter will reset to 00000 when 99999 is reached. · To exit CD aging test mode, press button, the tray will return to its PLAY position and power will be off. 12.4.

  • Page 48: Measurements And Adjustments

    SA-AK33 0EE 13 Measurements and Adjustments 13.1. Cassette Deck Section standard value. Bias voltage for Deck 2 14±4mV (Normal) · Measurement Condition Erase voltage for Deck 2 80mV (Normal) − − − − Make sure head, capstan and press roller are clean. −...

  • Page 49: Alignment Points

    SA-AK33 0EE 9. Set AM-SG to 520kHz. 10. Receive 520kHz in the unit. 11. Adjust L2602 (OSC) so that the EVM-DC value is with 1.1±0.5V. Fig.6 13.2.2. AM RF Adjustment 1. Connect the instrument as shown in Fig. 7. 2. Set the unit to AM mode. 3.

  • Page 50: Block Diagram

    SA-AK33 0EE 14 Block Diagram OPTICAL PICKUP SEMICONDUCTOR LASER Q7601 LASER POWER DRIVE PHOTO DETECTOR IC7003 AN8739SBTE2 FOCUS COIL/TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIVE /RST RESET SIGNAL GENERATOR FOCUS FOCUS COIL COIL DRIVE TRACKING COIL TRACKING COIL DRIVE TRAVERSE M7301 TRVP MOTOR...
  • Page 51 SA-AK33 0EE TO MAIN BLOCK X7201 NTEST IOMODE CD_RST NRST TXTCK MICRO COMPUTER TIMING GENERATOR DSL/PLL/VCO INTERFACE TXTD DQSY (SBCK) RFVDD EFM DEMODULATION SUBCODE (SUBC) SPINDLE VREF SYNC INTERPOLATION INTERFACE SERVO CIRC ECC (TXNCLDCK) CDROM ECC A, B, C, D, E, F 30~35 A,B,C,D,E,F FLAG...
  • Page 52 SA-AK33 0EE AM ANT FM ANT Z2620 CF2601 CF2602 Q2601 RF AMP MIXER IF AMP D2602 L2602 L2601 BUFFER (FM) DECODER RM AMP BUFFER PHASE PILOT CANCEL STEREO LEVEL S-CURVE SWITCH AM/FM COMP BUFFER TUNING DRIVE PILOT IC2601 X2602 LA1833NMNTLM Z2602 FM/AM IF AMP, DET/AM OSC,...
  • Page 53 SA-AK33 0EE FL6602 FROM POWER FL DISPLAY TRANSFORMER 23~40 5~19 1,2, 11~14, 16~29 30~40 IC6601 C0HBB0000044 FL DRIVER C0GAM0000005 MOTOR DRIVE OUT1 OUT2 POWER SUPPLY CONTROL PLLDA Q2907 STAT SWITCH PUSH Q2936 PUSH MOTOR ST/DO SUPPLY SWITCH OPEN PLLCLK Q2906 BLKCK Q2937 SWITCH...
  • Page 54 SA-AK33 0EE IC1001 AN7348S-E1 P.B EQ/REC AMP/ ALC/TPS AMP 24(23) (DECK 1) P.B. HEAD 1(2) 20(5) 22(3) 21(4) 17(8) (DECK 2) R/P HEAD 18(7) LOGIC L/H NOR/CrO & HI/LO LOGIC RIPPLE LOGIC REJECTION REC/PB Q2978 SWITCH (DECK 2) ERASE HEAD L1002 BIAS OSC CONTROL...
  • Page 55 SA-AK33 0EE IC2804 7(8) B1(2) C0AABA000009 DUAL OP-AMP Q2181 (Q2281) 22(21) 2(6) OUT1(2) HPF FREQ 1(7) FILTER 3(5) SWITCH Q2142 (Q2242) CONTROL 5(6) IC2806 A1(2) C0ABBB000244 DUAL OP-AMP FILTER 2(4) IC2803 SEL1(2) C1BB00000732 AUDIO SOUND 32(31) PROCESSOR REC1(2) HP_L(R) IC2805 13(14) JK2801 E1(2)
  • Page 56 SA-AK33 0EE 16(15) 3(6) -IN2 1(2) OUT 2 1(2) HIGH CH (6 W) IC5801 JK5951 (JK5952) RSN315H42C-P POWER HIC 7(9) 13(12) OUT 1 1(2) -IN1 1(2) LOW CH (6 W) 4(2) +VCC 1(2) 5(1) -VCC 1(2) IN GND D5814 OUT GND AC DET -VCCM FILTER...

  • Page 57: Voltage Measurement

    SA-AK33 0EE 15 Voltage Measurement...
  • Page 58 SA-AK33 0EE...

  • Page 59: Schematic Diagram

    SA-AK33 0EE 16 Schematic Diagram (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 : Load switch S951 : Mode switch S952 : Half switch S971...

  • Page 60: A) Cd Servo Circuit

    SA-AK33 0EE 16.1. (A) CD Servo Circuit SCHEMATIC DIAGRAM - 1 : +B SIGNAL LINE : CD-DA SIGNAL LINE OPTICAL PICKUP CIRCUIT CD SERVO CIRCUIT Q7601 LASER DIODE B1ADCF000001 R7601 C7601 C7670 C7204 C7203 LASER POWER DRIVE 6.3V33 6.3V220 Q7601 R7650 LD GND NBOUT...
  • Page 61 SA-AK33 0EE SCHEMATIC DIAGRAM - 2 : +B SIGNAL LINE : CD-DA SIGNAL LINE : CD SIGNAL LINE CD SERVO CIRCUIT C7626 C7625 C7224 C7223 6.3V220 6.3V100 R7217 C7225 1000P C7226 R7211 1000P R7218 R7221 C7231 C7230 6.3V220 R7212 C7234 C7233 C7232 16V10...

  • Page 62: B) Main (Tuner) Circuit

    SA-AK33 0EE 16.2. (B) Main (Tuner) Circuit SCHEMATIC DIAGRAM - 3 : +B SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE : FM/AM SIGNAL LINE : FM OSC SIGNAL LINE : AM OSC SIGNAL LINE MAIN (TUNER) CIRCUIT R2604 Q2606 ENV17290G1Y...

  • Page 63: B) Main Circuit

    SA-AK33 0EE 16.3. (B) Main Circuit SCHEMATIC DIAGRAM - 4 : PLAYBACK SIGNAL LINE : AUX SIGNAL LINE : +B SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE : MAIN SIGNAL LINE MAIN CIRCUIT Q2980 Q2978 B1GDCFJJ0023 B1GDCFJJ0023 DECK MOTOR SWITCH CR02 SWITCH...
  • Page 64 SA-AK33 0EE SCHEMATIC DIAGRAM - 5 : CD SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT : -B SIGNAL LINE (CN6601) ON : MAIN SIGNAL LINE SCHEMATIC DIAGRAM-10 MAIN CIRCUIT CN2806 30 29 28 27 26 25 15 14 13 12 11 10 C2753 C2751 R2401...
  • Page 65 SA-AK33 0EE SCHEMATIC DIAGRAM - 6 : -B SIGNAL LINE : +B SIGNAL LINE TO FAN UNIT MAIN CIRCUIT CN2810 R2591 R2338 D2332 330K B0ADCC000002 R2337 C2334 R2333 C2332 470K 0.22 R2439 R2339 R2331 R2715 Q2706 2SD0601AHL R2592 C2331 C2708 SWITCH 16V100 R2332...
  • Page 66 SA-AK33 0EE SCHEMATIC DIAGRAM - 7 : +B SIGNAL LINE MAIN CIRCUIT DCDET 64 63 R2828 R2832 MCLK 100K 100K MCLK RESTSW /RESTSW CHG_HLF CHG_HLF DCDET CHG_CW R2834 CHG_CW DCDET CHG_CCW PCONT CHG_CCW PCONT/EFP_/CE CHG_SW1 CHG_SW1 CHG_SW2 CHG_SW2 CHG_PLR EE_DAT CHG_PLR EE_DAT CHG_AD2...
  • Page 67 SA-AK33 0EE SCHEMATIC DIAGRAM - 8 : +B SIGNAL LINE : AUX SIGNAL LINE : MAIN SIGNAL LINE : -B SIGNAL LINE : CD SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE : FM/AM SIGNAL LINE MAIN CIRCUIT D2951 B0BC7R500001 C2952...

  • Page 68: C) Panel Circuit

    SA-AK33 0EE 16.4. (C) Panel Circuit SCHEMATIC DIAGRAM - 9 : +B SIGNAL LINE : MAIN SIGNAL LINE : -B SIGNAL LINE PANEL CIRCUIT SYS6V S6210 R6458 DECK1 4.7K OPEN D6458 S6209 B3AAA00000583 POWER KEY3 S6301 R6399 S6208 OPEN/CLOSE TAPE VREF+ VR6491 R6199...
  • Page 69 SA-AK33 0EE SCHEMATIC DIAGRAM - 10 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE PANEL CIRCUIT FL6602 A2BD00000107 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 C6631 35V22 C6632...

  • Page 70: D) Transformer Circuit, (E) Cd Detect Circuit, (F) Spindle Position Circuit & (G) Cd Loading Circuit

    SA-AK33 0EE 16.5. (D) Transformer Circuit, (E) CD Detect Circuit, (F) Spindle Position Circuit & (G) CD Loading Circuit SCHEMATIC DIAGRAM - 11 : +B SIGNAL LINE : -B SIGNAL LINE TRANSFORMER CIRCUIT D5950-D5953 B0EAMM000038 VCC+ D5950 D5952 VCC- C5960 POWER CIRCUIT AC GND...

  • Page 71: H) Power Circuit

    SA-AK33 0EE 16.6. (H) Power Circuit SCHEMATIC DIAGRAM - 12 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE POWER CIRCUIT IC5801 IC5801 RSN315H42C-P POWER HIC L5201,L5401 G0AR76Y00001 L5401 L5201 C5801 HIGH 0.01 CHANNEL C5445 C5245 R5857 R5855 R5452 R5252...

  • Page 72: I) Deck Circuit & (J) Deck Mechanism Circuit

    SA-AK33 0EE 16.7. (I) Deck Circuit & (J) Deck Mechanism Circuit SCHEMATIC DIAGRAM -13 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE DECK CIRCUIT C1038 R1055 C1057 220P C1034 2.2K 1000P 50V3.3 C1044 10V33 R1101 R1100 R1015 C1032 0.018...
  • Page 73 SA-AK33 0EE SCHEMATIC DIAGRAM - 14 : PLAYBACK SIGNAL LINE : +B SIGNAL LINE : RECORD SIGNAL LINE MAIN CIRCUIT (CN2803) ON SCHEMATIC DIAGRAM-4 DECK CIRCUIT CN1001 14 13 12 11 10 RWDJ05-050 C1054 R1098 R1060 R1091 R1057 2.2K R1097 R1092 W1002 C1048...

  • Page 74: Printed Circuit Board

    SA-AK33 0EE 17 Printed Circuit Board Note: Circuit board diagrams may be modified at any time with the development of new technology. 17.1. (A) CD Servo P.C.B. CD SERVO P.C.B (REPX0443A) C7670 R7217 C7223 C7601 C7106 C7105 W7011 R7212 TP22 TP29 C7204 W7040...

  • Page 75: B) Main

    SA-AK33 0EE 17.2. (B) Main P.C.B. MAIN P.C.B (REPX0442D) CN2810 W2257 TO FAN W2236 R2940 W2258 CN2805 Q2706 W2259 R2709 D2705 Q2704 W2260 R2715 Q2705 W2261 Q2936 W2248 D2704 W2265 W2249 D2936 D2703 W2262 R2702 R2858 R2860 Q2701 W2250 Q2937 W2263 R2859 W2512...
  • Page 76 SA-AK33 0EE W2257 Q2901 R2902 W2258 C2902 W2259 R2910 Q2902 W2515 W2260 D2901 W2261 W2265 CN2801 W2262 R2860 W2263 R2859 W2266 R2903 W2268 R2917 D2904 C2814 W2267 R2918 W2208 W2269 W2905 Q2906 W2275 W2504 W2508 2255 W2276 2256 W2270 W2904 Q2907 W2277 R2929...

  • Page 77: C) Panel

    SA-AK33 0EE 17.3. (C) Panel P.C.B. PANEL P.C.B (REPX0441G) W6992 FL6602 AK330/1 C6631 W6996 W6100 C6623 C6481 W6005 Z6481 S6101 J6481 W6006 C6612 W6002 R6611 OPEN/ CLOSE C6635 R6102 S6102 R6111 W6045 W6044 W6046 S6103 W6079 J6108 S6104 W6032 W6030 S6204 S6105 W6029...
  • Page 78 SA-AK33 0EE CN6601 FL6602 R6458 J6902 W6100 D6458 W6089 W6075 C6636 W6063 W6083 W6076 S6301 W6062 IC6601 W6082 W6085 W6102 W6065 R6611 W6033 POWER W6103 W6094 W6080 W6059 C6632 W6081 W6066 R6199 W6077 W6071 J6108 W6034 R6302 W6010 S6303 D6457 W6049 SSEQ S6201...

  • Page 79: D) Transformer

    SA-AK33 0EE 17.4. (D) Transformer P.C.B. TRANSFORMER P.C.B (REPX0467B) CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B 250V 1.6A T5951 SUB-TRANSFORMER D5986 R5957 Q5952 C5963 C5971 W5938 Q5953 RL5950 R5951 JK5950 W5920 W5989 W5995 C5952 W5988 C5955...

  • Page 80: E) Cd Detect P.c.b., (F) Spindle Position P.c.b., (G) Cd Loading

    SA-AK33 0EE 17.5. (E) CD Detect P.C.B., (F) Spindle Position P.C.B., (G) CD Loading P.C.B. CD LOADING P.C.B (REP2578A-N) OPEN PUSH PUSH CD DETECT P.C.B SPINDLE POSITION P.C.B (REP2578A-N) (REP2578A-N) LOAD...

  • Page 81: H) Power

    SA-AK33 0EE 17.6. (H) Power P.C.B. POWER P.C.B (REPX0469B) H5950/W5950 Q5801 Q5802 Q5803 Q5804 W5809 R5814 R5823 R5813 D5801 R5828 C5804 C5809 C5806 C5811 R5825 R5835 W5834 C5805 R5826 W5836 W5846 W5824 R5802 Q5806 R5818 W5864 R5827 W5804 Q5814 R5834 R5812 J5803 R5819...
  • Page 82 SA-AK33 0EE IC5801 E5801 JK5951 W5870 W5808 1 +L W5869 R5453 W5551 W5881 R5450 R5253 2 +R D5802 W5552 W5825 HIGH W5824 R5802 L5201 CHANNEL Q5814 3 -L C5445 R5456 4 -R C5245 R5805 R5448 W5550 Q5813 Q5812 1 -L R5256 2 -R R5255...

  • Page 83: I) Deck P.c.b. & (J) Deck Mechanism

    SA-AK33 0EE 17.7. (I) Deck P.C.B. & (J) Deck Mechanism P.C.B. DECK P.C.B. DECK MECHANISM P.C.B. (REPX0331D) (REPX0321A) R1024 IC1004 C1006 C1009 R1027 CS1002 TP10 Q1003 J1002 L1002 TP11 R1004 R1001 Q1007 W1002 C1002 C1026 J1003 TP12 S951 C1021 C1020 C1011 Q1017 C1016...

  • Page 84: Wiring Connection Diagram

    SA-AK33 0EE 18 Wiring Connection Diagram FM ANT AM ANT H5950/ W5950 JK2601 JK2801 To Fan CD LOADING P.C.B CN5801 CN2809 CN2810 SOLDER SIDE MAIN P.C.B SOLDER SIDE CN2805 Z2620 TUNER PACK (ENV17290G1Y) CD DETECT P.C.B SOLDER SIDE BLACK 13 14 POWER P.C.B SOLDER SIDE CN2808...

  • Page 85: Illustration Of Ic 痴, Transistors And Diodes

    SA-AK33 0EE 19 Illustration of IC’s, Transistors and Diodes RSN315H42C-P C2CBJG000564 (100P) C0AABA000009 C1AA00000612 C0HBB0000044 (48P) AN7348S-E1 (24P) MN6627953HB (80P) LA1833NMNTLM (24P) LC72131MDTRM (20P) C1BB00000732 (32P) AN8739SBTE2 CNB13030R2AU C0GAM0000005 C0ABBB000244 2SB0709AHL 2SD0601AHL B1ADCF000001 B1ABCF000131 B1GDCFJJ0023 B1GBCJFF0039 B1AAGC000007 B1GFGCAA0001 B1GACFGG0004 B1AAKD000009 B1ACCF000063 B1AARC000002 B1GACFJJ0016...

  • Page 86: Terminal Function Of Ic 痴

    SA-AK33 0EE 20 Terminal Function of IC’s 20.1. IC7002 (MN6627953HB) Servo Pin No. Mark Function AVDD2 Analog circuit power supply 2 processor/ Digital signal OUTL LCH output signal processor/ Digital filter/ D/A AVSS1 Audio output circuit GND 1 N.C. No Connection converter AVDD1 Power supply 1 for analog...

  • Page 87: Ic2801 (C2Cbjg000564) System Microprocessor

    SA-AK33 0EE Pin No. Mark Function Pin No. Mark Function Motor driver (2) forward- action REG 1 Region Setting 1 (Tuner) output MUTE_H HIC Mute Motor driver (3) reverse- action MUTE_A Audio Mute output EE_CS/EFP_ EEPROM Chip Select Crystal oscillating circuit input (f = /EPM 16.9344MHz) EE_CLK...
  • Page 88 SA-AK33 0EE Pin No. Mark Function PHOTO_1 Rotation Detection Signal (Deck VREF Reference for A-D (5V) AVcc Analog Power Supply Input Demo Selector (H= default demo on, L= default demo off.)

  • Page 89: Troubleshooting Guide

    SA-AK33 0EE 21 Troubleshooting Guide...

  • Page 90: Parts Location And Replacement Parts List

    SA-AK33 0EE 22 Parts Location and Replacement Parts List Notes: · Important safety notice: Components identified by mark have special characteristic s 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 91: Deck Mechanism (Raa4502-S)

    SA-AK33 0EE 22.1. Deck Mechanism (RAA4502-S) 22.1.1. Deck Mechanism Parts Location...
  • Page 92 SA-AK33 0EE...
  • Page 93 SA-AK33 0EE 22.1.2. Deck Mechanism Parts List 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 CAPSTAN BELT A...

  • Page 94: Cd Loading Mechanism (Rd-Dac026-S)

    SA-AK33 0EE 22.2. CD Loading Mechanism (RD-DAC026-S) 22.2.1. CD Loading Mechanism Parts Location...
  • Page 95 SA-AK33 0EE...
  • Page 96 SA-AK33 0EE 22.2.2. CD Loading Mechanism Parts List Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks TRAVERSE DECK XTN2+6G SCREW RMX0141 PUSH SPACER RML0517 TIMING LEVER RMQ0749 UPPER SPINDLE RML0516 PLUNGER LEVER RHM0001 MAGNET...

  • Page 97: Cabinet

    SA-AK33 0EE 22.3. Cabinet 22.3.1. Cabinet Parts Location...
  • Page 98 SA-AK33 0EE...

  • Page 99: Electrical Parts List

    SA-AK33 0EE 22.3.2. Cabinet Parts List Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks CABINET AND CHASSIS RKFX0125- S CASS LID (L) [M]S RKFX0126- K CASS LID (R) [M]K L6FALEFH0030 RKFX0126- S CASS LID (R) [M]S...
  • Page 100 SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks S6202 EVQ21405R SW TUNER B3NAA0000096 PHOTO INTERRUPTOR S6203 EVQ21405R SW CD B0BA4R600003 DIODE S6204 EVQ21405R SW FF D951 MA2C16500E DIODE S6205 EVQ21405R SW STOP...
  • Page 101 SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks Z5950 ERZV10V511CS ZENER W2912 ERJ3GEY0R00V CHIP JUMPER Z6481 B3RAB0000040 IR SENSOR W2913 ERJ3GEY0R00V CHIP JUMPER W2914 ERJ3GEY0R00V CHIP JUMPER RELAY W2915 ERJ3GEY0R00V CHIP JUMPER...
  • Page 102 SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R1011 ERJ3GEYJ103V 10K 1/16W R2202 ERJ3GEYJ182V 1.8K 1/16W R1012 ERJ3GEYJ472V 4.7K 1/16W R2206 ERJ3GEYJ101V 100 1/16W R1013 ERJ3GEYJ472V 4.7K 1/16W R2207 ERJ3GEYJ473V 47K 1/16W...
  • Page 103 SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2527 ERJ3GEYJ102V 1K 1/16W R2715 ERJ3GEYJ103V 10K 1/16W R2531 ERJ3GEY0R00V 0 1/16W R2801 ERJ3GEYJ103V 10K 1/16W R2532 ERJ3GEY0R00V 0 1/16W R2802 ERJ3GEYJ101V 100 1/16W...
  • Page 104 SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2936 ERJ3GEYJ102V 1K 1/16W R5855 ERDS2TJ223T 22K 1/4W R2937 ERJ3GEYJ103V 10K 1/16W R5856 ERDS2TJ103T 10K 1/4W R2938 ERJ3GEYJ123V 12K 1/16W R5857 ERDS2TJ223T 22K 1/4W...
  • Page 105 SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R7220 ERJ3GEYJ105V 1M 1/16W C2114 ECJ1VB1H103K 0.01 50V R7221 ERJ3GEYJ101V 100 1/16W C2116 ECJ1VB1H681K 680P 50V R7253 ERJ3GEYJ100V 10 1/16W C2117 ECJ1VC1H101K 100P 50V...
  • Page 106 SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2527 ECJ1VB1C105K 1 16V C2841 ECJ1VC1H180J 18P 50V C2553 ECJ1VB1H103K 0.01 50V C2851 ECJ1VB1C104K 0.1 16V C2557 ECJ1VB1H103K 0.01 50V C2852 ECA1CM101B 100 16V...

  • Page 107: Packing Materials & Accessories Parts List

    SA-AK33 0EE Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C6551 ECBT1E223ZF5 0.022 25V C7218 ECJ1VB1C823K 0.082 16V C6552 ECBT1E223ZF5 0.022 25V C7223 ECEA0JKA101I 100 6.3V C6553 ECBT1E103ZF5 0.01 25V C7224 ECJ1VB1C104K 0.1 16V...

  • Page 108: Packaging

    SA-AK33 0EE 22.6. Packaging PRT0412 P/S/J/N/A/E...

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