Panasonic SA-AK340P Service Manual
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Panasonic SA-AK340P 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
FTC output power
THD 10%, both channels driven
50 Hz to 3 kHz
(Low channel)
3 kHz to 12 kHz
(High channel)
Total FTC Bi-Amp power
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
81 W per channel (3 Ω)
81 W per channel (3 Ω)
324 W
105 W per channel (3 Ω)
105 W per channel (3 Ω)
420 W
FM 15 stations
AM 15 stations
87.9 to 107.9 MHz (200 kHz
steps)
87.5 to 108.0 MHz (100 kHz
steps)
4.0 µV (IHF)
SA-AK340P
SA-AK340PC
Colour
(S)... Silver Type
S/N 26dB
Antenna terminal(s)
Amplitude Modulation (AM)
Frequency range
Sensitivity
S/N 20dB (at 1000 kHz)
Music Port input jack
Terminal
Sensitivity
Phone jack
Terminal
n CASSETTE DECK SECTION
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed
Overall frequency response (+3, -6 dB) at DECK OUT
NORMAL
S/N ratio
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0510381C1
CD Stereo System
75 Ω (unbalanced)
520 to 1710 kHz (10 kHz step)
560 µV/m
Stereo, 3.5 mm (1/8") jack
100 mV, 4.7 kΩ
Stereo, 3.5 mm (1/8") jack
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
DC servo motor
AC bias 100 kHz
AC erase 100 kHz
4.8 cm/s (1-7/8 ips)
35 Hz to 14 kHz
50 dB (A weighted)
Unauthorized
copying
A6
2.2 µV
and

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Summary of Contents for Panasonic SA-AK340P

  • Page 1: Specifications

    ORDER NO. MD0510381C1 CD Stereo System SA-AK340P SA-AK340PC 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 S/N 26dB 2.2 µV...

  • Page 2: Table Of Contents

    SA-AK340P / SA-AK340PC Wow and flutter 0.18 % (WRMS) Number of channels 2 (Stereo) (FL,FR) Fast forward and rewind time Approx. 120 seconds with n GENERAL C-60 cassette tape Power supply AC 120 V, 60Hz n DISC SECTION Power consumption 125 W Disc played [8 cm (3”) or 12 cm (5”)]...
  • Page 3 SA-AK340P / SA-AK340PC 14.2. Power P.C.B. and Transformer P.C.B. 19.2. (B) Main P.C.B. 14.3. Waveform Chart 19.3. (C) Panel P.C.B. 15 Illustration of ICs, Transistors and Diodes 19.4. (D) Transformer P.C.B. 16 Wiring Connection Diagram 19.5. (E) Power P.C.B. 17 Block Diagram 19.6.

  • Page 4: Safety Precautions

    SA-AK340P / SA-AK340PC 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: Before Repair And Adjustment

    SA-AK340P / SA-AK340PC 1.1.3. Caution for fuse replacement 1.2. Before repair and adjustment Disconnect AC power, discharge Power Capacitors C5101, C5104, C5171, C5172, C5920, C5940 and C5950 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.

  • Page 6: Precaution Of Laser Diode

    SA-AK340P / SA-AK340PC 3 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.

  • Page 7: Handling The Lead-Free Solder

    SA-AK340P / SA-AK340PC 4 Handling the Lead-free Solder 4.1. 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 8: Handling Precautions For Traverse Deck

    SA-AK340P / SA-AK340PC 5 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 9: Accessories

    SA-AK340P / SA-AK340PC 6 Accessories Remote Control FM Indoor Antenna AC Cord AM Loop Antenna...

  • Page 10: Operation Procedures

    SA-AK340P / SA-AK340PC 7 Operation Procedures...
  • Page 11 SA-AK340P / SA-AK340PC...

  • Page 12: New Features

    SA-AK340P / SA-AK340PC 8 New Features 8.1. CRS1 Mechanism Overview 8.1.1. General Feature · This is a five disc changer mechanism for CD/DVD. The outline figure is shown below.
  • Page 13 SA-AK340P / SA-AK340PC · 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 14: Music Port

    SA-AK340P / SA-AK340PC Note: * represent tray number (from 1 ~ 5) 8.1.4. 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 15: Self Diagnosis And Special Mode Setting

    SA-AK340P / SA-AK340PC 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...
  • Page 16 SA-AK340P / SA-AK340PC 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...

  • Page 17: Error Code Table

    SA-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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 [...
  • Page 19 SA-AK340P / SA-AK340PC Error Code Diagnosis Contents Description of error Automatic FL Display Remarks ITOP UD assembly UD Rack does not move to For CD changer unit (CRS1). front direction. This lead to Press [SINGLE CHANGE] on main unit UD base not raise to top for next error.
  • Page 20 SA-AK340P / SA-AK340PC Error Code Diagnosis Contents Description of error Automatic FL Display Remarks F2NG Fail - safe mode. (For When tray close For CD changer unit (CRS1). open/close tray operation is performed, it Press [SINGLE CHANGE] on main unit...

  • Page 21: Assembling And Disassembling

    SA-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 10.3. Main Parts Location...

  • Page 24: Disassembly Of Top Cabinet

    SA-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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...

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

    SA-AK340P / SA-AK340PC 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 ·...

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

    SA-AK340P / SA-AK340PC 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 ·...

  • Page 28: Disassembly Of Front Panel Unit

    SA-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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 SA-AK340P / SA-AK340PC...

  • Page 35: Disassembly Of Deck Mechanism

    SA-AK340P / SA-AK340PC 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 ·...
  • Page 36 SA-AK340P / SA-AK340PC 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.

  • Page 37: Replacement For Cassette Lid

    SA-AK340P / SA-AK340PC 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.

  • Page 38: Rectification For Tape Jam Problem

    SA-AK340P / SA-AK340PC 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...

  • Page 39: Service Fixture And Tools

    SA-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 12.2. Checking and Repairing of Transformer P.C.B.

  • Page 41: Checking And Repairing Of Panel, Deck & Deck

    SA-AK340P / SA-AK340PC 12.3. Checking and Repairing of Panel, Deck & Deck Mechanism P.C.B.

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

    SA-AK340P / SA-AK340PC 12.4. Checking and Repairing of Power P.C.B.

  • Page 43: Measurements And Adjustments

    SA-AK340P / SA-AK340PC 13 Measurements and Adjustments 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 −...

  • Page 44: Tuner Section

    SA-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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-AK340P / SA-AK340PC 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: Power P.c.b. And Transformer P.c.b

    SA-AK340P / SA-AK340PC 14.2. Power P.C.B. and Transformer P.C.B.

  • Page 48: Waveform Chart

    SA-AK340P / SA-AK340PC 14.3. Waveform Chart...

  • Page 49: Illustration Of Ics, Transistors And Diodes

    SA-AK340P / SA-AK340PC 15 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 BA5948FPE2 C0GAG0000007 B1AARC000003 B1ACKD000006 B1CECC000003 B1ADCF000001 B1DEGM000026...

  • Page 50: Wiring Connection Diagram

    SA-AK340P / SA-AK340PC 16 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 TUNER PACK CN2801 SOLDER SIDE CN5102 BLACK CN2809 MOTOR CN2808 CN2811 CN2805 1 . . 7 2 .

  • Page 51: Block Diagram

    SA-AK340P / SA-AK340PC 17 Block Diagram OPTICAL PICKUP SEMICONDUCTOR TOMAINBLOCK LASER Q7601 LASER POWER DRIVE X7201 PHOTO DETECTOR 69 67 68 51 53 52 54 NTEST2 NTEST NSRVMONON TXTCK /RST TIMING MICRO COMPUTER NRST DSL/PLL/VCO GENERATOR INTERFACE [DSLPLL] [GEN] [MCIF]...
  • Page 52 SA-AK340P / SA-AK340PC IC1001 AN7348 P.B EQ AMANT FMANT ALC/T Z2620 CF2601 CF2602 24(23) Q1 (RFAMP) Q2601 (DECK 1) P.B. HEAD 1(2) MIXER IF AMP 22(3) D2602 L2601 L2602 21(4) BUFFER 17(8) FROM POWER (DECK 2) FL6602 TRANSFORMER R/P HEAD...
  • Page 53 SA-AK340P / SA-AK340PC IC2803 C1BB00001121 AUDIO SOUND PROCESSOR IC2804 3(4) IN-L2(R2) C0AABB000125 Q2142(Q2242) IC OP-AMP IC1001 Q2317 (Q AN7348S-E1 42(37) 2(6) L-OUT(R-OUT) P.B EQ/REC AMP/ CONTROL 1(7) MUTIN SWITCH FILTER ALC/TPS AMP 3(5) CONTR Q2411(Q2311) 24(23) (DECK 1) MUTING P.B. HEAD...
  • Page 54 SA-AK340P / SA-AK340PC IC2804 IC5301 IC5401 C0AABB000125 C1BA00000407 C1BA00000407 2-CH DIGITAL AMP 2-CH DIGITAL AMP Q2142(Q2242) IC OP-AMP Q2317 (Q2417) 2(6) CONTROL 1(7) MUTING IN1+ IN1+ SWITCH FILTER 3(5) CONTROL Q2411(Q2311) MUTING IN1- IN1- CONTROL IN2+ IN2+ IN2- IN2- Q2341 (Q2441)

  • Page 55: Schematic Diagram

    SA-AK340P / SA-AK340PC 18 Schematic Diagram (All schematic diagrams may be modified at any time with the Caution ! development of the new technology) Note: S951 : Mode Switch S952 : Half Switch S971 : Mode Switch S972 : Half Switch...
  • Page 56 SA-AK340P / SA-AK340PC...

  • Page 57: A) Cd Servo Circuit

    SA-AK340P / SA-AK340PC 18.1. (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 C7601 C7670...
  • Page 58 SA-AK340P / SA-AK340PC...

  • Page 59: B) Main (Tuner) Circuit

    SA-AK340P / SA-AK340PC 18.2. (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 MAIN(TUNER) CIRCUIT...
  • Page 60 SA-AK340P / SA-AK340PC...

  • Page 61: B) Main Circuit

    SA-AK340P / SA-AK340PC 18.3. (B) Main Circuit SCHEMATIC DIAGRAM - 3 : +B SIGNAL : FM/AM SIGNAL LINE : TAPE RECORD SIGNAL LINE : CD SIGNAL LINE MAIN CIRCUIT : -B SIGNAL : MAIN SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE...
  • Page 62 SA-AK340P / SA-AK340PC W2511 C2701 0.01 R2701 C2702 16V100 C2705 R2705 50V1 3.3K Q2142 B1ABCF000176 AGC CONTROL SWITCH R2702 C2315 R2335 C2331 R2315 R2316 4700P 16V22 2.2K R2145 R2146 Q2311,Q2411 B1ABCF000176 R2331 W2510 C2333 R2334 F_HOP C2321 R2329 MUTING SWITCH T-GND 3.3K...
  • Page 63 SA-AK340P / SA-AK340PC R2121 W2526 3.3K R2674 R2675 TUNER RCH 4.7K MAIN PLLCE PLLCE_UP CIRCUIT TUNER LCH IC2871 C3EBEG000073 (1B) ON PLL_DA PLL_DA SCHEMATIC E-EPROM IC TUNER DQ/ST R2676 STIDO DIAGRAM-2 PLL_CLK PLL CLK IC2871 TUNER SD +15V +15V B1ACKD...
  • Page 64 SA-AK340P / SA-AK340PC W2526 F_HOP T_GND C2940 IC2871 C3EBEG000073 MUTE-D-AMP R2940 E-EPROM IC +15V 820K IC2871 Q2942 B1ACKD000006 EE_CS FAN MOTOR ON/OFF SWITCH TO FAN MOT_12V EE_CLK EE.DAT CN2810 SW5V SW5V R2945 C2945 C2944 R2944 16V47 100P 4.7K -VCC +15V...

  • Page 65: C) Panel Circuit

    SA-AK340P / SA-AK340PC 18.4. (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 GND2 SYNC...
  • Page 66 SA-AK340P / SA-AK340PC...

  • Page 67: D) Transformer Circuit

    SA-AK340P / SA-AK340PC 18.5. (D) Transformer Circuit SCHEMATIC DIAGRAM - 5 TRANSFORMER CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE FP5940 D5950-D5953 B0EAMM000038 VCC+ D5950 D5952 VCC- C5960 POWER FP5920 CIRCUIT C5920 AC GND D5953 D5951 50V1000P (H5104/W5104) T5950...
  • Page 68 SA-AK340P / SA-AK340PC...

  • Page 69: H) Power Circuit

    SA-AK340P / SA-AK340PC 18.6. (H) Power Circuit SCHEMATIC DIAGRAM - 6 POWER CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE IC5401 IC5301 IC5301 IC5401 C1BA00000407 C1BA00000407 2-CH DIGITAL AMP 2-CH DIGITAL AMP Q5154 B1ADCF000063 R5154...
  • Page 70 SA-AK340P / SA-AK340PC C5405 330P C5305 C5302 C5402 330P 330P 330P R5308 R5408 W5505 R5307 R5407 C5304 C5306 C5301 C5303 C5404 C5406 C5401 C5403 0.47 0.47 0.47 0.47 0.47 0.47 0.47 0.47 L5301 L5401 G0C220Z00002 G0C220Z00002 R5301 R5403 R5404 R5401 R5402 5.6K...

  • Page 71: F) Deck Circuit & (G) Deck Mechanism Circuit

    SA-AK340P / SA-AK340PC 18.7. (F) Deck Circuit & (G) Deck Mechanism Circuit SCHEMATIC DIAGRAM - 7 MAIN CIRCUIT (CN2803) ON : +B SIGNAL : PLAYBACK SIGNAL SCHEMATIC DIAGRAM-3 DECK CIRCUIT : RECORD SIGNAL LINE CN1001 C1038 R1055 C1057 220P C1034 2.2K...
  • Page 72 SA-AK340P / SA-AK340PC...

  • Page 73: Printed Circuit Board

    SA-AK340P / SA-AK340PC 19 Printed Circuit Board Note: Circuit board diagrams may be modified at any time with the development of new technology.

  • Page 74: A) Cd Servo P.c.b

    SA-AK340P / SA-AK340PC 19.1. (A) CD Servo P.C.B. CD SERVO P.C.B (REPX0494A) TP51(RF) C7227 W7014 TP19 C7225 C7204 TP14 C7226 W7015 TP50 C7228 TP18 TP17 C7216 C7230 C7231 TP24 TP13 W7019 R7221 CN7002 C7233 W7006 TP16 C7232 W7007 R7111 W7008...

  • Page 75: B) Main

    SA-AK340P / SA-AK340PC 19.2. (B) Main P.C.B. MAIN P.C.B (REPX0516A) Q2942 C2941 C2948 W2573 CN2810 W2304 W2567 W2568 R2925 W2291 Q2907 W2565 Q2906 CN2805 R2942 W2290 W2293 R2943 Q2948 Q2949 K2094 C2945 R2945 R2948 W2288 CN2801 R2924 W2570 W2572 W2297...

  • Page 76: C) Panel P.c.b

    SA-AK340P / SA-AK340PC 19.3. (C) Panel P.C.B. PANEL P.C.B (REPX0517A) 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...

  • Page 77: D) Transformer

    SA-AK340P / SA-AK340PC 19.4. (D) Transformer P.C.B. TRANSFORMER P.C.B (REPX0518A) CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B T5951 125V 4A SUB TRANSFORMER L5950 C5953 Q5950 J5955 R5952 Z5950 C5951 C5952 D5952 RL5950 C5954...

  • Page 78: E) Power

    SA-AK340P / SA-AK340PC 19.5. (E) Power P.C.B. POWER P.C.B (REPX0533A) C5102 W5205 W5144 W5206 W5207 W5208 C5114 D5121 H5104/W5104 Q5201 K5511 C5115 Q5108 K5512 W5119 Q5202 W5200 W5197 W5121 D5101 W5122 C5332 C5330 W5143 W5142 C5106 C5152 C5107 X5201 R5108...

  • Page 79: F) Deck P.c.b. & (G) Deck Mechanism

    SA-AK340P / SA-AK340PC 19.6. (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 Q1003 TP4 x J1002 L1002 TP3 x...
  • Page 80 SA-AK340P / SA-AK340PC...

  • Page 81: Terminal Function Of Ic's

    SA-AK340P / SA-AK340PC 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...

  • Page 82: Ic7003 (Ba5948Fpe2) Ic 4Ch Drive

    SA-AK340P / SA-AK340PC 20.2. IC7003 (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...
  • Page 83 SA-AK340P / SA-AK340PC Pin No. Mark Function 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 84 SA-AK340P / SA-AK340PC...

  • Page 85: Exploded Views

    SA-AK340P / SA-AK340PC 21 Exploded Views 21.1. Cabinet Parts Location...
  • Page 86 SA-AK340P / SA-AK340PC...
  • Page 87 SA-AK340P / SA-AK340PC...

  • Page 88: Packaging

    SA-AK340P / SA-AK340PC 21.2. Packaging...

  • Page 89: Replacement Parts List

    SA-AK340P / SA-AK340PC 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.
  • Page 90 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RXF0061 FLYWHEEL F ASS’Y Q1003 B1AAGC000007 TRANSISTOR RXG0040 FF RELAY GEAR ASS’Y Q1004 B1AAGC000007 TRANSISTOR RMK0283A-2 SUB-CHASSIS Q1005 B1AAGC000007...
  • Page 91 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks D2601 B0BC5R000009 DIODE S6205 EVQ21405RJ SW /FF/ D2602 B0CDBB000015 DIODE S6206 EVQ21405RJ SW /REW/ D2677 B0BC7R500001 DIODE S6207 EVQ21405RJ...
  • Page 92 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RL5950 K6B1AEA00015 POWER RELAY RESISTORS OSCILLATORS D0AE104JA048 100K 1/4W D0AE104JA048 100K 1/4W X2602 H3F1065A0002 DIELECTRIC RESONATOR D0AE221JA048 220 1/4W...
  • Page 93 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2146 ERJ3GEYJ102V 1K 1/16W R2428 D0GB153JA007 15K 1/16W R2151 ERJ3GEY0R00V 0 1/16W R2429 D0GB332JA007 3.3K 1/16W R2172 ERJ3GEYJ822V 8.2K 1/16W...
  • Page 94 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2642 ERJ3GEYJ682V 6.8K 1/16W R2916 D0GB472JA041 4.7K 1/16W R2643 D0GB223JA041 22K 1/16W R2918 ERJ3GEYJ103V 10K 1/16W R2644 D0GB121JA007 120 1/16W...
  • Page 95 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R5152 ERJ3GEY0R00V 0 1/16W R6310 D0GB223JA041 22K 1/16W R5153 D0GB101JA007 100 1/16W R6399 ERJ3GEYJ103V 10K 1/16W R5154 D0GB101JA007 100 1/16W...
  • Page 96 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks W2546 ERJ3GEY0R00V CHIP JUMPER W2547 ERJ3GEY0R00V CHIP JUMPER F1D1H5R6A017 5.6P 50V W2548 ERJ3GEY0R00V CHIP JUMPER F1D1H102A029 1000P 50V W2549...
  • Page 97 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2181 ECJ1VB1A105K 1 10V C2602 ECA1CAK100XB 10 16V C2182 ECJ1VB1A105K 1 10V C2603 F1H1H103A219 0.01 50V C2183 ECJ1VB1C224K 0.22 16V...
  • Page 98 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2957 ECJ1VC1H101K 100P 50V C5343 ECJ1VB1H153K 0.015 50V C2959 ECJ1VC1H101K 100P 50V C5401 ECJ1VB1A474K 0.47 10V C2976 ECA1CAK100XB 10 16V...
  • Page 99 SA-AK340P / SA-AK340PC Ref. No. Part No. Part Name & Description Remarks C7107 ECJ1VB1H223K 0.022 50V C7142 ECJ1VB1H332K 3300P 50V C7154 ECJ1VB1C104K 0.1 16V C7155 ECJ1VB1C104K 0.1 16V C7161 ECJ1VB1C104K 0.1 16V C7164 ECJ2FF1A106Z 10 10V C7165 ECJ2FF1A106Z 10 10V...

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