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Panasonic SA-PM21PC Service Manual

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Specification
n Amplifier Section
FTC Output Power both channel driven
10% total harmonic distortion
20 Hz - 3.5 kHz (Low channel)
3.5 kHz - 20 kHz (High channel)
RMS Output Power both channel driven
10% total harmonic distortion
1 kHz (Low channel)
8 kHz (High channel)
Total Bi-Amp power
Output impedance
Headphone
n FM Tuner Section
Frequency range
Sensitivity
S/N 26 dB
Antenna terminals
n AM Tuner Section
Frequency range
Sensitivity
S/N 20 dB (at 1000 kHz)
15 W per channel (6 Ω)
5 W per channel (6 Ω)
15 W per channel (6 Ω)
5 W per channel (6 Ω)
20 W per channel
16 Ω - 32 Ω
87.5 MHz -108.0 MHz
(100 kHz step)
87.9 MHz - 107.9 MHz
(200 kHz step)
1.5 µV (IHF)
1.25 µV
75 Ω (unbalanced)
520 kHz - 1710 kHz (10 kHz step)
500 µV/m
SA-PM21PC
Colour
(S)... Silver Type
n Cassette Deck Section
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erase system
Tape speed
Overall frequency response (+3 dB, -6 dB) at DECK OUT
NORMAL
S/N RATIO
Wow and flutter
Fast forward and rewind time
n CD Section
Disc played
CD/MP3/CD-R/RW
Bit rate
MP3
Sampling frequency
CD
MP3
Decoding
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0501013C1
CD Stereo System
4 track, 2 channel
Solid permalloy head
AC erase head
DC servo motor
AC bias 100 kHz
AC erase 100 kHz
4.8 cm/s (1 7/8 ips)
35 Hz - 14 kHz
50 dB (A weighted)
0.08% (WRMS)
Approx. 120 seconds with C-60
cassette tape
8cm/12cm (3 3/20"/4 73/100")
32kbps - 320kbps
44.1 kHz
32 kHz, 44.1 kHz, 48 kHz
16 bit linear
Unauthorized
copying
A6
and

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Summary of Contents for Panasonic SA-PM21PC

  • Page 1 ORDER NO. MD0501013C1 CD Stereo System SA-PM21PC Colour (S)... Silver Type Specification n Amplifier Section FTC Output Power both channel driven n Cassette Deck Section 10% total harmonic distortion Track system 4 track, 2 channel 15 W per channel (6 Ω) 20 Hz - 3.5 kHz (Low channel)

  • Page 2: Table Of Contents

    2. Total harmonic distortion is measured by the digital spectrum n General analyzer. Power supply AC 120 V, 60 Hz n System : SC-PM21PC-S Music center: SA-PM21PC-S Power consumption 57 W Speaker: SB-PM21E-MJ CONTENTS Page Page 1 Safety Precautions 10.19.
  • Page 3 SA-PM21PC 18.4. Deck Circuit, Deck Mechanism Circuit and Tape Eject 21 Illustration of IC 痴, Transistors and Diodes 22 Terminal Function of ICｴs Circuit 18.5. Power Circuit 22.1. IC702 (MN6627953HB) Servo processor/ Digital signal 18.6. Transformer Circuit, Headphone Circuit and Speaker...

  • Page 4: Safety Precautions

    SA-PM21PC 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, insulation papers shields are properly installed.
  • Page 5 SA-PM21PC 1.1.3. Caution for fuse replacement...

  • Page 6: Before Repair And Adjustment

    SA-PM21PC 2 Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C839 & C840 through a 10Ω, 1W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.

  • Page 7: Precaution Of Laser Diode

    SA-PM21PC 5 Precaution of Laser Diode CAUTION: This unit utilizes a class 1 laser. Invisible laser radiation is emitted from the optical pickup lens. When the unit is turned on: 1. Do not look directly into the pick up lens.

  • Page 8: Handling Precautions For Traverse Deck

    SA-PM21PC 6 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 9: Accessories

    SA-PM21PC 7 Accessories Note : Refer to Packing Materials & Accessories (Section 24.5) for part number. Remote control AC cord FM indoor antenna AM loop antenna...

  • Page 10: Operation Procedures

    SA-PM21PC 8 Operation Procedures...

  • Page 11: Information On Cd & Mp3

    SA-PM21PC 9 Information on CD & MP3...

  • Page 12: Assembling And Disassembling

    SA-PM21PC 10 Assembling and Disassembling “ATTENTION SERVICER” Some chassis components may be have sharp edges. Be careful when disassembling and servicing. 1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.

  • Page 13: Disassembly Of Side Panel L & R

    SA-PM21PC 10.2. Disassembly of Side Panel L & Step 1 : Remove 4 screws. Step 2 : Remove 1 screw. Step 1 : Remove 1 screw. Step 3 : Remove the side panel (R) as arrow shown (Be careful of the catches).

  • Page 14: Disassembly Of Headphone P.c.b

    SA-PM21PC Step 1 : Remove 1 screw. Step 2 : Release the clutch. Step 1 : Remove 1 screw. Step 2 : Release the clutch. 10.6. Disassembly of Front Panel Assembly · Follow the (Step 1) - (Step 6) of Item 10.2.

  • Page 15: Disassembly Of Panel P.c.b

    SA-PM21PC Step 2 : Detach the FFC CN901B. Step 1 : Remove 10 screws. Step 2 : Remove the Volume Knob. 10.8. Disassembly of Rear Cabinet · Follow the (Step 1) - (Step 6) of Item 10.2. · Follow the (Step 1) - (Step 4) of Item 10.3.

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

    SA-PM21PC Step 2 : Detach the connector CN803A, CN808A. Step 3 : Detach the connector CP800. Step 4 : Remove the Main P.C.B as arrow shown. Step 1 : Detach the connector CN805A and remove the tuner 10.11. Disassembly of Power P.C.B pack as arrow shown.

  • Page 17: Disassembly Of Speaker Terminal P.c.b

    SA-PM21PC Step 1 : Remove 1 screw. Step 2 : Release the clutch. Step 3 : Remove the Speaker Terminal P.C.B as arrow shown. Step 2 : Remove 1 screw. 10.13. Disassembly of Transformer Step 3 : Detach the connector CN503A, CN508A, CN501B.

  • Page 18: Disassembly Of Cd Mechanism

    SA-PM21PC 10.14. Disassembly of CD Mechanism · Follow the (Step 1) - (Step 6) of Item 10.2. · Follow the (Step 1) - (Step 4) of Item 10.3. · Follow the (Step 1) - (Step 4) of Item 10.6. · Follow the (Step 1) - (Step 2) of Item 10.8.

  • Page 19: Checking Procedure For Each Major P.c.b

    SA-PM21PC 10.15. Checking Procedure for Each 10.16. Procedures of Replacing Major P.C.B. Traverse Base (Unit), Driving Gear, and Cam Gear (CD 10.15.1. Replacement of the Power Mechanism Unit) Amplifier IC · Replacement of the Power Amplifier IC 10.16.1. Disassembly of the Disc Tray.
  • Page 20 SA-PM21PC...
  • Page 21 SA-PM21PC...

  • Page 22: Procedures For Replacing Optical Pickup

    SA-PM21PC 10.17. Procedures for Replacing Optical Pickup (CD Mechanism Unit) · Follow the (Step 1) - (Step 6) of Item 10.2. · Follow the (Step 1) - (Step 4) of Item 10.3. · Follow the (Step 1) - (Step 4) of Item 10.6.

  • Page 23: Procedures For Replacement Traverse Gear A And

    SA-PM21PC 10.18. Procedures for Replacement Traverse Gear A and Traverse Gear B (CD Mechanism Unit) · Follow the (Step 1) - (Step 6) of Item 10.2. · Follow the (Step 1) - (Step 4) of Item 10.3. · Follow the (Step 1) - (Step 4) of Item 10.6.

  • Page 24: Procedure For Replacing Cassette Holder

    SA-PM21PC 10.19. Procedure for Replacing Cassette Holder · Follow the (Step 1) - (Step 6) of Item 10.2. · Follow the (Step 1) - (Step 4) of Item 10.3. · Follow the (Step 1) - (Step 4) of Item 10.4.

  • Page 25: Procedure For Replacing Motor, Capstan Belt A, Capstan

    SA-PM21PC · Follow the (Step 1) - (Step 4) of Item 10.4. 10.21. Procedure for Replacing Motor, Capstan Belt A, Capstan Belt B, and Winding Belt (Deck Mechanism Unit) · Follow the (Step 1) - (Step 6) of Item 10.2.
  • Page 26 SA-PM21PC...

  • Page 27: Procedure For Replacing Parts On Deck Mechanism Pcb

    SA-PM21PC 10.22. Procedure for Replacing Parts on Deck Mechanism PCB · Follow the (Step 1) - (Step 6) of Item 10.2. · Follow the (Step 1) - (Step 4) of Item 10.3. · Follow the (Step 1) - (Step 4) of Item 10.4.
  • Page 28 SA-PM21PC...

  • Page 29: Service Positions

    SA-PM21PC 11 Service Positions 11.1. Checking procedure Note: For the disassembling procedure, see the section 10. 11.2. Checking the major P.C.B. 1. Disassembly of Side Panel L & R Service tools Extension cable RFKPM21 2. Disassembly of Top Cabinet (Main P.C.B.

  • Page 30: Self Diagnostic Function

    SA-PM21PC 12 Self Diagnostic Function 12.1. Self-diagnosis Function 12.1.1. Entering into self-diagnosis mode 1. Turn the power on. 2. Switch to CD mode with no CD or cassette loaded. 3. Press and hold the [STOPn] key of the main set for more than 2 seconds. While pressing this key, press the FF key on the main set for another 2 seconds to enter into the self-diagnosis mode.
  • Page 31 SA-PM21PC by the software. 5. After the tape stops, the Error codes will be displayed by toggling the STOPn key. For more detail explanation, refer to the (Figure 12-2). Figure 12-2 Operation Procedures Micon operation & processing C-mecha Abnormal Detection shall be Check that all DECK mechanism leaf SW are in OFF state.

  • Page 32: Clearing All Error Code

    SA-PM21PC Operation Procedures Micon operation & processing ] key is pressed, after loading a NORMAL, REW shall be executed for 2 sec, afterwhich STOP. CrO2, METAL type cassette with the recording Check the following. tab on the right side removed.
  • Page 33 SA-PM21PC 2. Press and hold [STOPn] button for at least 2 seconds, follow by [4] and [7] from the remote control. 3. When the Doctor Mode is activated the FL display will show the symbol at the 5 digit. At the same time, the micro-p’s version number (base 10) and EEPROM’s checksum (base 16) will be displayed for 1 sec.
  • Page 34 SA-PM21PC 3. After a few times, the FL shall display as below: Special Note: Due to certain reasons, when the following conditions occur, the aging will stop but the count value shall be maintained: · During OPEN operation, after a certain timing, the CD does not open in the Open position. (After REST SW is OFF, the CD OPEN SW did not turn ON after 4s.)
  • Page 35 SA-PM21PC 3. After a few times, the FL will display as shown below: Special Note : Due to certain reasons, when the following conditions occur, the aging will stop but the count value shall be maintained: · After 10s, the Disc Access has not yet complete.
  • Page 36 SA-PM21PC SW was not turned off in 4s.) · After 10s, the Disc Access has not yet complete. · Out of Focus for more than 2s. 12.4.5. Cold start setting (Note) In the case that you unplug from AC outlet after this mode was set, then plug to AC again, a cold start shall begin.

  • Page 37: Procedure For Checking Operation Of Individual Parts Of Deck Mechanism Unit

    SA-PM21PC 13 Procedure for Checking Operation of Individual Parts of Deck Mechanism Unit 13.1. Operation Check with Cassette Tape 1. Pull up the EJECT lever using a rubber band. (Fig. 6) 2. Supply DC5V to MOTOR. (→ MOTOR rotates.) (Fig. 5) 3.
  • Page 38 SA-PM21PC Fig. 7...

  • Page 39: Measurement And Adjustments

    SA-PM21PC 14 Measurement And Adjustments 14.1. Cassette Deck Section 14.1.1. Requirements · Test tape (QZZCFM) (QZZCWAT) · Normal blank cassette tape (QZZCRA) · Digital frequency counter · Oscilloscope · Electrical voltmeter · Headphone jack output jig (Fig. 8) 14.1.2. Setting of Unit ·...
  • Page 40 SA-PM21PC Fig. 10 Fig. 11 14.1.5. Bias Voltage Check 1. Connect an electrical voltmeter. (Fig. 9) (Fig. 12) 2. Set the function to “TAPE” position. 3. Insert a normal blank cassette tape (QZZCRA). 4. While pressing and holding down [REC ( )] button, press [TAPE ( )] button to pause the recording mode.

  • Page 41: Voltage Measurement And Waveform Chart

    SA-PM21PC 15 Voltage Measurement and Waveform Chart Note: · Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard. Therefore, there may exist some errors in the voltage values, depending on the internal impedance of the DC circuit tester.
  • Page 42 SA-PM21PC PANEL P.C.B. IC900 Ref No. MODE CD PLAY -24.9 -24.9 -24.8 -24.8 -24.7 -24.7 -24.6 -24.6 -24.6 -24.5 -24.5 -24.5 STANDBY -25.3 -25.3 -25.3 -25.3 -25.3 -25.3 -25.2 -25.2 -25.2 -25.2 -25.1 -25.1 IC900 Ref No. MODE -24.0 -24.0 CD PLAY -24.5...

  • Page 43: Waveform

    SA-PM21PC 15.2. Waveform CN505B PIN 7 CN505B PIN 8 CN801 PIN 4 CN801 PIN 5 CD PLAY CD PLAY CD PLAY CD PLAY 20.6Vp-p (25msec.div) 21.4Vp-p (25msec.div) 3.64Vp-p (5msec.div) 3.36Vp-p (5msec.div) CN801 PIN 6 CN801 PIN 7 CN801 PIN 8...

  • Page 44: Block Diagram

    SA-PM21PC 16 Block Diagram 16.1. CD Servo Block OPTICAL PICKUP SEMICONDUCTOR LASER Q701 LASER POWER DRIVE PHOTO DETECTOR IC703 BA5948FPE2 4CH DRIVE VREF FOCUS [CH3] LEVEL COIL SHIFT TRACKING [CH4] LEVEL COIL SHIFT TRVP M701 LEVEL [CH2] TRAVERSE SHIFT MOTOR...
  • Page 45 SA-PM21PC TO MAIN BLOCK BLK CK BLK CK CD SIGNAL OUTL NRST NRST OUTR STAT STAT SPOUT SPOUT SPPOL SPPOL (PC) MDATA MDATA TRVP TRVP MCLK MCLK IC702 MN6627953HB SERVO PROCESSOR DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER X701...

  • Page 46: Main Block

    SA-PM21PC 16.2. Main Block FILTER (DECK 2) R/P HEAD IC1001 AN7326K P/B REC AMP 22(1) 21(2) 19(4) 16(7) 15(8) 20(3) RIPPLE REJECTION LOGIC SWITCH REC AMP (L) MUTE Q1101 (Q1201) IC1000 C1AA00000612 MUTING ANALOG SWITCH SWITCH Q1302 Q1317 DECK BEAT PROOF...
  • Page 47 SA-PM21PC 4(3) 1(2) 9(10) IC800 7(8) C1BB00000757 B1IN(2) CD SIGNAL 5(6) 17(16) Q290 (Q490) LOW PASS FILTER FILTER Q280 (Q480) HI PASS FILTER FILTER JK900 HEADPHONE IC700 C0ABBB000297 OP AMP Q221,Q222 (Q421,Q422) AMPLIFIER Q1314,Q1316 TUNER PACK Q1315 SWITCH (MOTOR SWITCH...
  • Page 48 SA-PM21PC FL900 FROM FL DISPLAY TRANSFORMER TO CD BLOCK GRID1~GRID10 SEG1~SEG20 IC900 C0HBB0000044 IC802 FL DISPLAY C0DBZGC00067 3.3V REGULATOR Q802 Q801 SWITCH SWITCH D803 D804 IC803 MN101C49GHA MICROPROCESSOR...
  • Page 49 SA-PM21PC SIGNAL LINES : MAIN SIGNAL LINE CD SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE : FM/AM SIGNAL LINE : TAPE RECORD SIGNAL LINE Note : Signal Lines are applicable to the Left Channel only. ) Indicates Pin No. of Right Channel...

  • Page 50: Notes Of Schematic Diagram

    SA-PM21PC 17 Notes of Schematic Diagram (All schematic diagrams may be modified at any time with the development of new technology) Note : S701 Reset switch S780 Open switch S900 CD switch S901 Tape switch S902 Tuner/Band switch S903 FF switch...

  • Page 51: Schematic Diagram

    SA-PM21PC 18 Schematic Diagram 18.1. CD Servo Circuit SCHEMATIC DIAGRAM - 1 CD SERVO CIRCUIT : +B SIGNAL LINE : CD-DA SIGNAL LINE OPTICAL PICKUP UNIT C701 6.3V33 R701 Q701 B1ADCF000001 CN701 LASER POWER DRIVE Vref R754 HUL7213 LD GND LD GND 0.47...
  • Page 52 SA-PM21PC SCHEMATIC DIAGRAM - 2 : CD-DA SIGNAL LINE CD SERVO CIRCUIT : +B SIGNAL LINE : CD SIGNAL LINE C703 C724 C723 C704 C755 6.3V100 6.3V220 C727 R717 50V1 C725 1000P C726 C728 R718 R711 1000P 50V1 R721 C730 C731 6.3V220...

  • Page 53: Main Circuit And Tuner Extent Circuit

    SA-PM21PC 18.2. Main Circuit and Tuner Extent Circuit : TAPE PLAYBACK SIGNAL LINE SCHEMATIC DIAGRAM-3 : TAPE RECORD SIGNAL LINE : CD SIGNAL LINE MAIN CIRCUIT : FM/AM SIGNAL LINE : +B SIGNAL LINE TUNER EXTENT CIRCUIT R201 6.8K CN805A...
  • Page 54 SA-PM21PC : MAIN SIGNAL LINE SCHEMATIC DIAGRAM-4 : TAPE PLAYBACK SIGNAL LINE : TAPE RECORD SIGNAL LINE MAIN CIRCUIT : CD SIGNAL LINE : +B SIGNAL LINE : FM/AM SIGNAL LINE R285 C281 C282 R801 2200P 1000P Q280 C890 16V100...
  • Page 55 SA-PM21PC SCHEMATIC DIAGRAM-5 : MAIN SIGNAL LINE MAIN CIRCUIT : CD SIGNAL LINE : +B SIGNAL LINE IC802 C0DBZGC00067 3.3V REGULATOR IC C804 C805 16V22 CD_LCH C216 L801 0.001 J0JKB0000020 CN801 CD_L C416 A_GND 0.001 CN808B HI_LEFT CD_RCH CD_R AGND CD_3.3V...
  • Page 56 SA-PM21PC SCHEMATIC DIAGRAM-6 MAIN CIRCUIT : +B SIGNAL LINE Q807 KRC119STA R891 R890 MOTOR SWITCH R876 100K Q808 KRC119STA PLUNGER SWITCH R875 R819 REC_H REC_H DEMO SETTING R884 R820 PCONT2 100K R872 TUN_CL R873 TUN_SDA FL_CLK R863 FL_CLK FL_DATA R862...

  • Page 57: Panel Circuit

    SA-PM21PC 18.3. Panel Circuit SCHEMATIC DIAGRAM-7 : -B SIGNAL LINE PANEL CIRCUIT : +B SIGNAL LINE TRANSFORMER MAIN CIRCUIT CIRCUIT (CN900B) ON (CN901B) ON SCHEMATIC DIAGRAM-11 SCHEMATIC DIAGRAM-3 WH900A/ CN901A JW900A L905 100uH FL900 A2BB00000138 FL DISPLAY 2 3 4 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 41 42 43 44...

  • Page 58: Deck Circuit, Deck Mechanism Circuit And Tape Eject

    SA-PM21PC 18.4. Deck Circuit, Deck Mechanism Circuit and Tape Eject Circuit SCHEMATIC DIAGRAM-8 : TAPE PLAYBACK SIGNAL LINE DECK CIRCUIT : +B SIGNAL LINE : TAPE RECORD SIGNAL LINE C1105 470P R1103 C1122 0.01 R1101 C1104 0.027 C1102 C1101 470P...

  • Page 59: Circuit

    SA-PM21PC SCHEMATIC DIAGRAM-9 : TAPE PLAYBACK SIGNAL LINE : +B SIGNAL LINE : TAPE RECORD SIGNAL LINE DECK CIRCUIT Q1101,Q1201 B1ABGC000005 MUTING SWITCH R1105 R1109 2.2K R1107 Q1101 C1110 R1106 0.0068 100K R1205 2.2K R1209 R1207 Q1201 C1210 R1206 0.0068...

  • Page 60: Power Circuit

    SA-PM21PC 18.5. Power Circuit SCHEMATIC DIAGRAM-10 : -B SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE R350 2.2K IC300 AN17831A POWER AMP IC LOW R+ CN501A LOW R- C374 LOW L+ 50V100 LOW L- C373 C351...

  • Page 61: Transformer Circuit, Headphone Circuit And Speaker Terminal Circuit

    SA-PM21PC 18.6. Transformer Circuit, Headphone Circuit and Speaker Terminal Circuit SCHEMATIC DIAGRAM-11 : - B SIGNAL LINE TRANSFORMER CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE POWER CIRCUIT (WH505A/JW505A) ON SCHEMATIC DIAGRAM-10 CN505B Q603 2SB0621AHA -VP VOLTAGE REGULATOR CN900B...

  • Page 62: Printed Circuit Board

    SA-PM21PC 19 Printed Circuit Board 19.1. CD Servo P.C.B. CD SERVO P.C.B (REPV0039A) C755 TP51 C727 C718 TP19 C725 TP16 C726 R711 J711 TP23 TP50 C716 J722 C728 TP17 C702 TP18 C705 TP87 C729 C706 TP13 TP27 C762 C733 CN702...

  • Page 63: Main P.c.b

    SA-PM21PC 19.2. Main P.C.B. MAIN P.C.B (REPV0041B) CN504A Q808 Q807 W409 W217 W410 C851 W411 R750 R890 W412 R891 C817 W711 R823 W435 W413 C818 Q751 R824 IC804 (NOT SUPPLIED) R752 W414 Q750 R825 WA11 W420 R751 R826 W415 R831...
  • Page 64 SA-PM21PC C223 C222 W217 C851 R750 R755 IC700 W435 Q751 IC804 R752 (NOT SUPPLIED) Q750 R751 R421 C422 R422 C852 W433 W771 W207 W213 W432 W406 W436 W201 W216 W403 R423 Q421 Q422 W404 W261 W262 R426 R427 Q221 Q222...

  • Page 65: Tuner Extent P.c.b, Headphone P.c.b And Speaker Terminal P.c.b

    SA-PM21PC 19.3. Tuner Extent P.C.B, Headphone P.C.B and Speaker Terminal P.C.B. HEADPHONE P.C.B TUNER EXTENT P.C.B (REPV0042C) (REPV0041B) WH504B CN805B /JW504B CN806 Z401 TUNER PACK (ENG06810QF) R430 C430 JK900 6-SW HEADPHONE SPEAKER TERMINAL P.C.B (REPV0042C) CN803A CN808A JK502 1-L+ 3-R+...

  • Page 66: Panel P.c.b

    SA-PM21PC 19.4. Panel P.C.B. PANEL P.C.B (REPV0041B) C910 W902 FL900 R922 C909 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...

  • Page 67: Deck P.c.b And Deck Mechanism P.c.b

    SA-PM21PC 19.5. Deck P.C.B and Deck Mechanism P.C.B. DECK P.C.B (REPV0016A) Q1310 Q1309 C1315 CN1303 W1035 W1009 R1331 C1317 Q1304 W1053 C1311 Q1303 L1301 Q1312 R1327 C1314 D1301 L1302 R1335 R1337 Q1302 C1310 C1324 W1042 IC1000 R1313 Q1317 R1305 Q1101...

  • Page 68: Power P.c.b

    SA-PM21PC 19.6. Power P.C.B. POWER P.C.B (REPV0042C) R514 R515 W504 Q504 W527 Q500 Q503 Q501 R501 R502 C507 R503 R506 R504 Q530 R566 C540 FP552 R530 WH505A R567 C530 W503 IC500 /JW505A D512 W550 W551 R576 R577 W528 W541 W555...

  • Page 69: Transformer P.c.b And Tape Eject P.c.b

    SA-PM21PC 19.7. Transformer P.C.B and Tape Eject P.C.B. TRANSFORMER P.C.B (REPV0042C) Q603 W301 D610 125V 1.6A R611 JK600 W604 L600 R608 D602 FC600 FC601 AC IN W603 Q601 R606 C604 D609 120V 60Hz W602 RL600 R607 CN505B D608 W601 Q602...

  • Page 70: Wiring Connection Diagram

    SA-PM21PC 20 Wiring Connection Diagram VOLUME SENSOR CN702 CD SERVO P.C.B. CN701 PANEL P.C.B. Z901 3 2 1 16 15 VR900 CN901A 12 . 11 . SOLDER SIDE WH900A /JW900A OPTICAL PICKUP SOLDER SIDE JK600 TRANSFORMER P.C.B. SOLDER SIDE AC IN...
  • Page 71 SA-PM21PC HEADPHONE P.C.B. SOLDER SIDE CN504A WH504B /JW504B CN804 JK900 19 ...1 18 ..2 MAIN P.C.B. HEADPHONE CN901B CN805A 1... .10...

  • Page 72: Illustration Of Ic 痴, Transistors And Diodes

    SA-PM21PC 21 Illustration of IC’s, Transistors and Diodes CNB13030R2AU BA5948FPE2 (28P) C0ABBB000297 (8P) C1BB00000757 (24P) MN6627953HB(80P) C0DBZGC00067 AN7326K (22P) MN101C49GHA(100P) C0HBB0000044(40P) C1AA00000612 AN17831A KRC102MTA B1BCCG000002 B1ABGC000005 B1GBCFJJ0044 AN17808B KRA110MTA B1GBCFGH0001 B1ABCE000016 B1GDCFGH0002 B1ADCF000001 B1ABCF000011 B1GDCFJJ0002 KRA101STA KRC101STA KRC104STA B1AACF000063 B1AAGC000006...

  • Page 73: Terminal Function Of IcｴS

    SA-PM21PC 22 Terminal Function of IC´s 22.1. IC702 (MN6627953HB) Servo Pin No. Mark Function RFOUT RF Amp output processor/ Digital signal RFIN AGC input processor/ Digital filter/ D/A CAGC AGC control terminal ARFOUT AGC output (Audio RF) converter AVSS2 Analog circuit GND 2...

  • Page 74: Ic703 (Ba5948Fpe2) Ic 4Ch Drive

    SA-PM21PC 22.2. IC703 (BA5948FPE2) IC 4CH DRIVE Pin No. Mark I/O Function Pin No. Mark I/O Function Motor Driver Input Motor Driver (3) reverse - action output Turntable Motor Drive Signal (“L”: ON) Motor Driver (3) forward - action output...

  • Page 75: Ic803 (Mn101C49Gha) Micro Processor

    SA-PM21PC 22.3. IC803 (MN101C49GHA) MICRO PROCESSOR Pin No. Mark Function Pin No. Mark Function VREF- A/D Converter Reference GND ECLK Eeprom Clock Output KEY 1 Key 1 Input Eeprom CS Output KEY 2 Key 2 Input N.C. No Connection MK_IN1...

  • Page 76: Troubleshooting Flowchart (Cd Section Circuit)

    SA-PM21PC 23 Troubleshooting Flowchart (CD Section Circuit)
  • Page 77 SA-PM21PC...

  • Page 78: Parts Location And Replacement Parts List

    SA-PM21PC 24 Parts Location and 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 79: Deck Mechanism

    SA-PM21PC 24.1. Deck Mechanism 24.1.1. Deck Mechanism Parts Location (RAA4402-S)
  • Page 80 SA-PM21PC 24.1.2. Deck Mechanism Parts List Ref. No. Part No. Part Name & Description Remarks CASSETTE DECK RED0067 R/P HEAD BLOCK UNIT RDG0300 REEL BASE GEAR RDG0301 WINDING RELAY GEAR RDK0026 MAIN GEAR RDV0033-4 WINDING BELT RDV0064 CAPSTAN BELT RMB0312...

  • Page 81: Cd Loading Mechanism

    SA-PM21PC 24.2. CD Loading Mechanism 24.2.1. CD Loading Mechanism Parts Location...
  • Page 82 SA-PM21PC 24.2.2. CD Loading Mechanism Parts List Ref. No. Part No. Part Name & Description Remarks TRAVERSE DECK RAE0157Z-V CT 130MP TRV RDG0455 TRAVERSE GEAR (A) RDG0456 TRAVERSE GEAR (B) RFKNCT100 TRAVERSE BASE ASS’Y 304-1 RDG0457 LOAD GEAR (A) 304-2...

  • Page 83: Cabinet

    SA-PM21PC 24.3. Cabinet 24.3.1. Cabinet Parts Location...
  • Page 84 SA-PM21PC...
  • Page 85 SA-PM21PC 24.3.2. Cabinet Parts List Ref. No. Part No. Part Name & Description Remarks CABINET AND CHASSIS RDG0357 DAMPER GEAR REEV0033 12P FFC (PANEL-MAIN) REEV0034 17P FFC (MAIN-CR120) REEV0035 19P (DECK-MAIN) RGKV0087-S CD LID RGLV0045-Q LIGHTING TIP RGUV0102-S MP3 CTRL BUTTON...

  • Page 86: Electrical Part List

    SA-PM21PC 24.4. Electrical Part List Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks PRINTED CIRCUIT BOARD D380 B0AACK000004 DIODE REPV0016A DECK P.C.B. / TAPE EJECT D501 B0EAMM000038 DIODE P.C.B. (RTL)
  • Page 87 SA-PM21PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks CN503B K1KB09B00013 9P CONNECTOR CN504A K1MP04A00003 4P CONNECTOR FP352 K5G502A00039 FUSE PROTECTOR CN505B RJT119W08V 8P CONNECTOR FP552 K5G202A00025 FUSE PROTECTOR CN508A...
  • Page 88 SA-PM21PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R483 ERJ6GEYJ473V 47K 1/10W R751 ERJ3GEYJ102V 1K 1/16W R484 ERJ6GEYJ472V 4.7K 1/10W R752 D0GB222JA041 2.2K 1/16W R485 ERJ6GEYJ273V 27K 1/10W R753...
  • Page 89 SA-PM21PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R869 ERJ3GEYJ102V 1K 1/16W R1329 D0GB472JA041 4.7K 1/16W R870 ERJ3GEYJ102V 1K 1/16W R1330 ERD2FCVJ4R7T 4.7 1/4W R871 ERJ3GEYJ102V 1K 1/16W R1331 ERJ3GEYJ752V 7.5K 1/16W...
  • Page 90 SA-PM21PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C221 F1H1H331A013 330P 50V C582 ECA1HAK010XB 1 50V C222 ECJ1VC1H101J 100P 50V C586 ECA1HAK100XB 10 50V C223 ECJ1VC1H101J 100P 50V C601 F1B1H103A153 0.01 50V...
  • Page 91 SA-PM21PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C823 ECJ1VB1H472K 4700P 50V C1308 ECA1CAK220XB 22 16V C824 ECJ1VB1H472K 4700P 50V C1310 ECA1HAK0R1XB 0.1 50V C825 ECJ1VB1H472K 4700P 50V C1311...

  • Page 92: Packaging Materials & Accessories Parts List

    SA-PM21PC 24.5. Packaging Materials & Accessories Parts List Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks PACKING MATERIALS N2QAJB000131 REMOTE CONTROL RPGV0169 PACKING CASE A1-1 RKK-HTR0051K R/C BATTERY COVER RPNV0062...

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