Page 2
SA-PM29E / SA-PM29EB / SA-PM29EG D/A converter MASH (1 bit DAC) Notes : n General 1. Specifications are subject to change without notices. Mass and dimensions are approximate. Power supply 2. Total harmonic distortion is measured by the digital spectrum...
Page 3
SA-PM29E / SA-PM29EB / SA-PM29EG 18.2. Main Circuit 19.8. Transformer P.C.B. 18.3. Panel Circuit, Tact Switch Circuit, Headphone Circuit and 20 Wiring Connection Diagram Switch Circuit 21 Illustration of IC 痴, Transistors and Diodes 18.4. Deck Circuit, Deck Mechanism Circuit and Tape Eject 22 Terminal Function of ICエs...
Page 4
SA-PM29E / SA-PM29EB / SA-PM29EG 2 Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C506, C507, C508, C584, C587, C588 & C311 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 5
SA-PM29E / SA-PM29EB / SA-PM29EG 12 Service Positions 12.1. Checking procedure Note : For the disassembling procedure, see the section 11. 12.2. Checking the major P.C.B 1. Disassembly of Side Panel L & R 2. Disassembly of Top Cabinet 3. Disassembly of Deck Mechanism P.C.B and Tape Eject P.C.B 4.
Page 6
SA-PM29E / SA-PM29EB / SA-PM29EG 13 Self-Diagnostic Display Function This unit is equipped with a self-diagnostic display function, which will be useful during servicing and maintenance. · Refer to the next page for display symbols, symptoms, etc. 13.1. Preparations 1. A Cr02-positioned blank cassette tape with an erase prevention niche on either Side A or B.
Page 7
SA-PM29E / SA-PM29EB / SA-PM29EG (*1) TPS operation (music search) detects the blank sections between music selections. Therefore, do not use tapes with the following conditions: · A blank section that lasts only 4 seconds or less. · No blank sections (recording through microphones, etc.).
Page 8
SA-PM29E / SA-PM29EB / SA-PM29EG (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. And “- - - - - - - - -” is displayed in the FL for 2 seconds.
Page 9
SA-PM29E / SA-PM29EB / SA-PM29EG 14 Procedure for Checking Operation of Individual Parts for Cassette Mechanism Unit 14.1. Operation Check with Cassette Tape 1. Pull up the EJECT lever using a rubber band. (Cf. Fig. 6) 2. Supply DC5V to MOTOR. (→ MOTOR rotates.) (Cf. Fig. 5) 3.
Page 11
SA-PM29E / SA-PM29EB / SA-PM29EG 15 Measurement And Adjustments 15.1. Cassette Deck Section 15.1.1. Requirements · Test tape (QZZCFM) (QZZCWAT) · Normal blank cassette tape (QZZCRA) · Digital frequency counter · Oscilloscope · Electrical voltmeter · Headphone jack output jig (Cf. Fig. 8) 15.1.2.
Page 12
SA-PM29E / SA-PM29EB / SA-PM29EG Fig. 10 Fig. 11 15.1.5. Bias Voltage Check 1. Connect an electrical voltmeter. (Cf. Fig. 9) (Cf. 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 19
SA-PM29E / SA-PM29EB / SA-PM29EG MOTOR D707 SWITCH Q700~ Q703 RM11 RM21 UP/DOWN MOTOR UP/DOWN MOTOR Q301 Q303 SWITCH SWITCH Q515,Q516 IC11 IC21 SWITCH (DCDET) Q302 C0GAG0000007 C0GAG0000007 MOTOR DRIVER MOTOR DRIVER PCONT SWITCH Q306 SWITCH (DCDET) IC302 C2CBJG000409 MICROPROCESSOR...
Page 20
SA-PM29E / SA-PM29EB / SA-PM29EG SIGNAL LINES : MAIN SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE CD SIGNAL LINE : TAPE RECORD SIGNAL LINE : FM/AM SIGNAL LINE : AUX SIGNAL LINE ) Indicates Pin No. of Right Channel Note : Signal Lines are applicable to the Left Channel only.
Page 21
SA-PM29E / SA-PM29EB / SA-PM29EG 17 Notes of Schematic Diagram · Cover the parts boxes made of plastics with aluminium foil. (All schematic diagrams may be modified at any time with the development of new technology) · Put a conductive mat on the work table.
Page 22
SA-PM29E / SA-PM29EB / SA-PM29EG 18 Schematic Diagram 18.1. CD Servo Circuit SCHEMATIC DIAGRAM-1 CD SERVO CIRCUIT : +B SIGNAL LINE : CD SIGNAL LINE R701 C701 6.3V33 C716 Q701 680P 2SA1037AKSTX CN701 SWITCH C703 Vref 6.3V100 C704 R754 HUL7213...
Page 23
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-2 CD SERVO CIRCUIT : +B SIGNAL LINE : CD SIGNAL LINE R721 R717 C727 50V1 C725 1000P C726 C728 R718 1000P 50V1 C730 C731 6.3V220 CN702 C757 6.3V100 C723 6.3V220 C717 C724 R760...
Page 24
SA-PM29E / SA-PM29EB / SA-PM29EG 18.2. Main Circuit SCHEMATIC DIAGRAM-3 : FM/AM SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE : CD SIGNAL LINE MAIN CIRCUIT : TAPE RECORD SIGNAL LINE : AUX SIGNAL LINE : +B SIGNAL LINE CN101 PORTSL...
Page 25
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-4 : MAIN SIGNAL LINE : TAPE RECORD SIGNAL LINE : FM/AM SIGNAL LINE MAIN CIRCUIT : TAPE PLAYBACK SIGNAL LINE : CD SIGNAL LINE : +B SIGNAL LINE CN308 SSEQ_LED SSEQ_LED RE_LED RE_LED...
Page 27
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-6 : MAIN SIGNAL LINE MAIN CIRCUIT : CD SIGNAL LINE : +B SIGNAL LINE CN302 SUBWOOFER SUBWOOFER CD+7.5V CD+7.5V CD3.3V CD3.3V R326 4.7K R454 POWER CIRCUIT R325 MUTE_A MUTE_A (CP502) ON MUTE_H MUTE_H R324 4.7K...
Page 28
SA-PM29E / SA-PM29EB / SA-PM29EG 18.3. Panel Circuit, Tact Switch Circuit, Headphone Circuit and Switch Circuit SCHEMATIC DIAGRAM-7 TACT SWITCH CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE R638 E600 R637 Q603 KRC119STA VR600 LED DRIVER EVEJ1F42124B VOLUME JOG...
Page 29
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-8 : - B SIGNAL LINE PANEL CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE FL600 A2BB00000130 FL DISPLAY 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76...
Page 30
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-9 : - B SIGNAL LINE : +B SIGNAL LINE : MAIN SIGNAL LINE PANEL CIRCUIT 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54...
Page 31
SA-PM29E / SA-PM29EB / SA-PM29EG 18.4. Deck Circuit, Deck Mechanism Circuit and Tape Eject Circuit SCHEMATIC DIAGRAM-10 : TAPE PLAYBACK SIGNAL LINE DECK CIRCUIT : +B SIGNAL LINE : TAPE RECORD SIGNAL LINE C1105 470P R1103 C1122 0.01 R1101 C1104 0.027...
Page 32
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-11 : TAPE PLAYBACK SIGNAL LINE DECK CIRCUIT : +B SIGNAL LINE : TAPE RECORD SIGNAL LINE R1105 R1109 2.2K R1107 Q1101 C1110 R1106 0.0068 100K Q1101,Q1201 2SD2114K1V R1205 MUTING SWITCH R1209 2.2K R1207...
Page 33
SA-PM29E / SA-PM29EB / SA-PM29EG 18.5. Power Circuit SCHEMATIC DIAGRAM-12 : - B SIGNAL LINE : +B SIGNAL LINE : MAIN SIGNAL LINE POWER CIRCUIT R778 D708 R776 MA2C16500E C738 R774 16V10 100K R772 4.7K Q720 KTC3199GRTA R758 SWITCH R752 2.2K...
Page 34
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-13 : - B SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE Q701 R704 Q703 KTA12710YTA B1AACF000063 SWITCH SWITCH Q700 C700 R702 R707 6.3V100 5.6K C701 R705 25V33 R710 C703...
Page 35
SA-PM29E / SA-PM29EB / SA-PM29EG SCHEMATIC DIAGRAM-14 : - B SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE IC500 RSN314H41A-P POWER HIC C515 0.01 CN504 HI_R R514 C503 820P C509 C755 R506 C501 820P R761 R763 5.6K...
Page 36
SA-PM29E / SA-PM29EB / SA-PM29EG 18.6. Transformer Circuit and Speaker Terminal Circuit SCHEMATIC DIAGRAM-15 : -B SIGNAL LINE TRANSFORMER CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE Q578 KRC102MTA SWITCH D578 D581 R580 R581 R585 B0EAKM000117 Q575 B0EAKM000117 B1AAGC000006...
Page 37
SA-PM29E / SA-PM29EB / SA-PM29EG 18.7. CD Loading Circuit SCHEMATIC DIAGRAM-16 CD LOADING CIRCUIT : +B SIGNAL LINE IC11 C0GAG0000007 UP/DOWN MOTOR DRIVE 0.01 16V100 RM11 UP/DOWN MOTOR CHANGE BOTTOM OPEN B3NAA0000068 +7.5V SENSOR STOCK PGND CR16 SWITCH DNGD UP/DOWN F...
Page 38
SA-PM29E / SA-PM29EB / SA-PM29EG 19 Printed Circuit Board 19.1. CD Servo P.C.B. (Side A and Side B) CD SERVO P.C.B (REPX0363A) TJ701 C727 TP19 C725 R743 TP16 TP14B C726 C716 TP17 C728 C717 TP18 TP25 C755 C730 IC701 R721...
Page 39
SA-PM29E / SA-PM29EB / SA-PM29EG CD SERVO P.C.B (REPX0363A) R709 R762 R761 R763 IC704 (SIDE B)
Page 51
SA-PM29E / SA-PM29EB / SA-PM29EG 22 Terminal Function of IC´s 22.1. IC701 (AN22004A-NF) IC HEAD AMP Pin No. Mark Function Pin No. Mark Function APC Amp input terminal LDON LDON terminal APC Amp. output terminal Earth terminal Power source terminal...
Page 52
SA-PM29E / SA-PM29EB / SA-PM29EG Pin No. Mark Function Pin No. Mark Function SBCK Sub code serial output clock input TXTCK CD TEXT resister outer clock input STAT Status output NTEST Test input (H: normal) NRST Reset input (L: reset)
Page 53
SA-PM29E / SA-PM29EB / SA-PM29EG Pin No. Mark Function M1_R Changer Motor 1 Reverse Control M1_F Changer Motor 1 Forward Control M2_R Changer Motor 2 Reverse Control M2_F Changer Motor 2 Forward Control when record circuit is operating DURING RECORDING=H...
Page 56
SA-PM29E / SA-PM29EB / SA-PM29EG 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 58
SA-PM29E / SA-PM29EB / SA-PM29EG 24.1.2. Deck Mechanism Parts List Ref. Part No. Part Name & Description Remarks CASSETTE DECK RED0071 R/P HEAD BLOCK UNIT RDG0300 REEL BASE GEAR RDG0301 WINDING RELAY GEAR RDK0026 MAIN GEAR RDV0033-4 WINDING BELT RDV0034-1...
Page 59
SA-PM29E / SA-PM29EB / SA-PM29EG 24.2. CD Loading Mechanism 24.2.1. CD Loading Mechanism Parts Location...
Page 63
SA-PM29E / SA-PM29EB / SA-PM29EG 24.2.2. CD Loading Mechanism Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks TRAVERSE DECK RMR1407E-H1 TRAY RFKNAPM77MDS MECHA BASE ASS’Y RAE0157A-V TRV UNIT WITHOUT SER...
Page 64
SA-PM29E / SA-PM29EB / SA-PM29EG 24.3. Cabinet Part List 24.3.1. Cabinet Parts Location...
Page 67
SA-PM29E / SA-PM29EB / SA-PM29EG 24.3.2. Cabinet Part List Ref. Part No. Part Name & Description Remarks CABINET AND CHASSIS REEV0026 21P FFC REEV0027 26P FFC REEV0039 17P FFC REEX0166 14P FFC WIRE REM0094A COOLING FAN RGK1750-S VOLUME RING RYPV0034-S...
Page 68
SA-PM29E / SA-PM29EB / SA-PM29EG 24.4. Electrical Part List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks PRINTED CIRCUIT BOARD Q575 B1AAGC000006 TRANSISTOR REPX0363A CD SERVO (SIDE A AND SIDE B) [M] RTL...
Page 69
SA-PM29E / SA-PM29EB / SA-PM29EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D582 B0BA6R600008 DIODE D584 B0EAKM000117 DIODE K1MN14B00066 14P FFC CONNECTOR D585 B0EAKM000117 DIODE CN101 K1KA10A00263 10P CONNECTOR D586 B0EAKM000117...
Page 70
SA-PM29E / SA-PM29EB / SA-PM29EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks FUSES R313 ERJ3GEYJ101V 100 1/16W R314 ERJ3GEYJ101V 100 1/16W K5Y630B00001 FUSE R315 ERJ3GEYJ101V 100 1/16W R316 ERJ3GEYJ101V 100 1/16W...
Page 71
SA-PM29E / SA-PM29EB / SA-PM29EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R388 ERJ3GEYJ473V 47K 1/16W R551 ERDS2TJ104T 100K 1/4W R389 ERJ3GEYJ103V 10K 1/16W R554 ERDS1FVJ331T 330 1/2W R390 ERJ3GEYJ472V 4.7K 1/16W...
Page 72
SA-PM29E / SA-PM29EB / SA-PM29EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R701 ERJ3GEYJ4R7V 4.7 1/16W R751 ERDS2TJ332T 3.3K 1/4W R702 ERDS2TJ101T 100 1/4W R752 ERDS2TJ104T 100K 1/4W R702 ERJ3GEYJ472V 4.7K 1/16W...
Page 73
SA-PM29E / SA-PM29EB / SA-PM29EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1309 ERDS1FVJ471T 470 1/2W C201 ECA1CAK101XB 100 16V R1313 ERJ3GEYJ103V 10K 1/16W C209 ECJ1VC1H102J 1000P 50V R1314 ERJ3GEYJ102V 1K 1/16W...
Page 74
SA-PM29E / SA-PM29EB / SA-PM29EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C355 ECJ1VC1H470J 47P 50V C586 ECA2AM100B 10 100V C356 ECJ1VB1H561K 560P 50V C587 ECA1JM101B 100 63V C358 ECA1CAM221XB 220 16V...
Page 75
SA-PM29E / SA-PM29EB / SA-PM29EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C725 F1D1C392A010 3900P 16V C1122 F1H1H103A219 0.01 50V C726 ECA1CAK100XB 10 16V C1123 ECJ1VB1H271K 270P 50V C726 ECJ1VB1H102K 1000P 50V...
Page 76
SA-PM29E / SA-PM29EB / SA-PM29EG 24.5. Packaging Materials & Accessories Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks PACKING MATERIALS K2CQ2CA00002 AC CORD [M]EG E RJA0053-3X AC CORD [M]EB RPGV0062...