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Subject : Updates on Block Diagram, Schematic Diagram, Printed Circuit Board,
Exploded View & Parts List.
Please file and use this supplement manual together with the service manual for
Model No. SA-AKX74PH/PN-K Order No. PSG1203050CE
Model No. SA-AKX94PH-K Order No. PSG1203051CE
Model No. SA-AKX74/94PR-K Order No. PSG1204034AE
TABLE OF CONTENTS
1 Notes ----------------------------------------------------------------- 2
2 Block Diagram (Updates) -------------------------------------- 3
2.1. Power Supply (SA-AKX74PH/PN-K) ----------------- 3
2.2. Power Supply (SA-AKX94PH-K) ---------------------- 4
3 Schematic Diagram (Updates) ------------------------------- 5
3.1. Main(MICON) Circuit (SA-AKX74PH/PN-K) -------- 5
3.2. Panel Circuit (SA-AKX74PH/PN-K) ------------------- 8
(SA-AKX74PH/PN-K)------------------------------------- 9
3.4. D-Amp Circuit (SA-AKX74PH/PN-K) ----------------10
3.5. SMPS Circuit (SA-AKX74PH/PN-K) ----------------- 11
(SA-AKX94PH-K)-----------------------------------------13
3.7. SMPS Circuit (SA-AKX94PH-K) ----------------------14
4 Printed Circuit Board (Updates) ----------------------------16
P.C.B. (SA-AKX74PH/PN-K)---------------------------16
Model No.
Product Color: (K)...Black Type
PAGE
K)------------------------------------------------------------- 17
5 Exploded View (Updates)------------------------------------- 18
5.1. Packaging (SA-AKX74PH/PN-K) -------------------- 18
5.2. Packaging (SA-AKX94PH-K) ------------------------- 19
(Updates) ---------------------------------------------------------- 21
© Panasonic Corporation 2012. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
CD Stereo System
SA-AKX74PH
SA-AKX74PN
SA-AKX94PH
SA-AKX74PR
SA-AKX94PR
PSG1207012SE
A6
PAGE
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Summary of Contents for Panasonic SA-AKX74PH
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Page 1: Table Of Contents
Subject : Updates on Block Diagram, Schematic Diagram, Printed Circuit Board, Exploded View & Parts List. Please file and use this supplement manual together with the service manual for Model No. SA-AKX74PH/PN-K Order No. PSG1203050CE Model No. SA-AKX94PH-K Order No. PSG1203051CE Model No. SA-AKX74/94PR-K Order No. PSG1204034AE... -
Page 2: Notes
1 Notes Background: • For improvement of quality and performance. This supplement includes revised contents to the original service manual for below sections:- 1. Block Diagram 2. Schematic Diagram. 3. Printed Circuit Board. 4. Exploded View. 5. Electrical & Mechanical Replacement Parts List. -
Page 3: Block Diagram (Updates)
ECO CTL ECO CTL ECO CTL ECO CTL FROM/TO TEMP DET CN5802 CN2007 TEMP DET TEMP DET SERVO & SYSTEM CONTROL TEMP DET TH5861 PRIMARY SECONDARY NOTE: “ * ” REF IS FOR INDICATION ONLY SA-AKX74PH/PN POWER SUPPLY (1/2) BLOCK DIAGRAM... -
Page 4: Power Supply (Sa-Akx94Ph-K)
2.2. Power Supply (SA-AKX94PH-K) With reference to original service manual (section 14.4) on pages 81. SMPS P.C.B. MAIN P.C.B. IC5799 MIP2F20MSSCF SWITCHING MODE POWER T5751 SUPPLY CONTROL TRANSFORMER CL 3 D5795 D5798 VCC 4 D5896 SYS3.3V CN5802 CN2007 SYS3.3V SYS3.3V CHANGE D5793 (IC5899) -
Page 5: Schematic Diagram (Updates)
3 Schematic Diagram (Updates) 3.1. Main(MICON) Circuit (SA-AKX74PH/PN-K) With reference to original service manual (section 16.3) on pages 87, 91 & 96. SCHEMATIC DIAGRAM - 5 : +B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE... - Page 6 6.3V220 UP_DGND Q2005 B1GDCFJJ0047 R2125 BUFFER SW_LV2 1/10 2/10 3/10 4/10 5/10 TO MAIN(MICON) SA-AKX74PH/PN CIRCUIT (10/10) MI: MAIN(MICON): SCHEMATIC DIAGRAM - 5 ~ 14 6/10 7/10 8/10 9/10 10/10 MAIN(MICON) CIRCUIT DA: MAIN(D-AMP): SCHEMATIC DIAGRAM - 15 ~ 16...
- Page 7 0.056 R2440 R2438 1.8K 4.7K R2257 C2180 C2282 0.056 R2225 C2108 1/10 2/10 3/10 4/10 5/10 MI: MAIN(MICON): SCHEMATIC DIAGRAM - 5 ~ 14 DA: MAIN(D-AMP): SCHEMATIC DIAGRAM - 15 ~ 16 6/10 7/10 8/10 9/10 10/10 SA-AKX74PH/PN MAIN(MICON) CIRCUIT...
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Page 8: Panel Circuit (Sa-Akx74Ph/Pn-K)
3.2. Panel Circuit (SA-AKX74PH/PN-K) With reference to original service manual (section 16.5) on pages 99. SCHEMATIC DIAGRAM - 17 PANEL CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE : MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE... -
Page 9: Cd Interface, Mic And Voltage Selector Circuit (Sa-Akx74Ph/Pn-K)
3.3. CD Interface, Mic and Voltage Selector Circuit (SA-AKX74PH/PN-K) With reference to original service manual (section 16.7) on pages 102. SCHEMATIC DIAGRAM - 20 CD INTERFACE CIRCUIT MIC CIRCUIT : +B SIGNAL LINE : MIC AUDIO INPUT SIGNAL LINE VR6500... -
Page 10: D-Amp Circuit (Sa-Akx74Ph/Pn
3.4. D-Amp Circuit (SA-AKX74PH/PN-K) With reference to original service manual (section 16.8) on pages 103. SCHEMATIC DIAGRAM - 21 D-AMP CIRCUIT : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE : +B SIGNAL LINE IC5900 C1BA00000497 AUDIO DIGITAL AMPLIFIER C5918... -
Page 11: Smps Circuit (Sa-Akx74Ph/Pn-K)
3.5. SMPS Circuit (SA-AKX74PH/PN-K) With reference to original service manual (section 16.9) on pages 104 & 105. SCHEMATIC DIAGRAM - 22 SMPS CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE CN5801 +35V_SENSE +35V_SENSE D-AMP CIRCUIT SYS_GND (ZJ5901*) SYS_GND IN SCHEMATIC... - Page 12 IC5899 10V220 R5895 200V560...PN C0DAEYY00040 C5794 R5795 C5790 C0DAZYY00039 1000P 470K C5898 CHANGE 2200P SHUNT REGULATOR (IC5899) D5793 B0HAMP000094 R5797 FOR PH R5891 C5708 C5795 C5796 F1BAF1020020 1000P NOTE: “ * ” REF IS FOR INDICATION ONLY SA-AKX74PH/PN SMPS CIRCUIT...
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Page 13: Cd Interface, Mic And Voltage Selector Circuit
3.6. CD Interface, Mic and Voltage Selector Circuit (SA-AKX94PH-K) With reference to original service manual (section 16.7) on pages 106. SCHEMATIC DIAGRAM - 20 CD INTERFACE CIRCUIT MIC CIRCUIT : MIC AUDIO INPUT SIGNAL LINE : +B SIGNAL LINE VR6500 CN7001 EVUF2AF15B14 MIC VOLUME... -
Page 14: Smps Circuit (Sa-Akx94Ph
3.7. SMPS Circuit (SA-AKX94PH-K) With reference to original service manual (section 16.9) on pages 111 & 112. SCHEMATIC DIAGRAM - 25 SMPS CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE CN5801 +35V_SENSE +35V_SENSE D-AMP CIRCUIT SYS_GND (ZJ5500*) SYS_GND IN SCHEMATIC -35V_SENSE DIAGRAM - 23 -35V_SENSE... - Page 15 SCHEMATIC DIAGRAM - 26 SMPS CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE TO SMPS CIRCUIT (1/2) L5701 R5708 C5701 G0B932H00002 P5701 ERJ8GEYJ155V F0CAF224A105 T8AH 250V 1.5M 0.22 ZA5701 ZA5702 AC IN DZ5701 ERZVA5Z471 110~127V/220~240V 50/60Hz R5709 C5705 C5704 ERJ8GEYJ155V F1BAF471A013 F1BAF471A013...
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Page 16: Printed Circuit Board (Updates)
4 Printed Circuit Board (Updates) 4.1. Panel, Remote Sensor, USB and Music Port P.C.B. (SA-AKX74PH/PN-K) With reference to original service manual (section 17.4) on page 109. PANEL P.C.B. (REP4793CA) REMOTE SENSOR P.C.B. (REP4793CB) IR6200 VOLUME CN6005 SENSOR ZJ6003* ZJ6002* CN6200... -
Page 17: Smps And D-Amp P.c.b. (Sa-Akx74Ph/Pn-K)
4.2. SMPS and D-Amp P.C.B. (SA-AKX74PH/PN-K) With reference to original service manual (section 17.7) on page 112. SMPS P.C.B. (REP4783JA...PN) D-AMP P.C.B. (REP4804A) ZJ5900* ZJ5901* C5728 Q5722 CN5902 C5720 R5728 D5721 D5723 QR5900 R5721 Q5902 R5729 R5722 Q5905 C5956 D5722... -
Page 18: Exploded View (Updates)
5 Exploded View (Updates) 5.1. Packaging (SA-AKX74PH/PN-K) With reference to original service manual (section 19.1.2) on page 125. ACCESSORIES BAG REMOTE CONTROL A1-1 R/C BATTERY COVER SA-AKX74PH/PN CHANGE AC CORD (A2) (FOR PH ONLY) AC CORD (FOR PN ONLY) SB-AKX74PN... -
Page 19: Packaging (Sa-Akx94Ph-K)
5.2. Packaging (SA-AKX94PH-K) With reference to original service manual (section 19.1.2) on page 135. SB-WAXK94PU SB-PS94PU ACCESSORIES BAG REMOTE CONTROL A1-1 R/C BATTERY COVER CHANGE AC CORD (A2) OI BOOK F R O N T FM INDOOR ANTENNA AM LOOP ANTENNA SB-PF94PH SA-AKX94PH AC PLUG ADAPTOR... -
Page 21: Electrical & Mechanical Replacement Parts List (Updates)
Late sets only. Stock both original and new parts. E Other Model No. Ref No. Original Part No. New Part No. Notes New Part Name & Description Remarks SA-AKX74PH-K RGW0428-S RGW0428-S1 VOLUME KNOB CHANGE RGU2763-S RGU2763-S1 PUSH/PLAY BUTTON CHANGE RGQ0672-R... - Page 22 Model No. Ref No. Original Part No. New Part No. Notes New Part Name & Description Remarks SA-AKX74PR-K RGU2763-S RGU2763-S1 PUSH/PLAY BUTTON CHANGE RGQ0672-R RGQ0672-R1 FL FILTER SHEET CHANGE C6511 F1H1H222A013 F1H1H102A219 1000pF 50V CHANGE CN2003 K1MY27AA0124 K1MY27AA0267 27P CONNECTOR CHANGE CN2009 K1MY30AA0124...
- Page 23 Model No. Ref No. Original Part No. New Part No. Notes New Part Name & Description Remarks SA-AKX94PH-K RGW0428-S RGW0428-S1 VOLUME KNOB CHANGE RGU2763-S RGU2763-S1 PUSH/PLAY BUTTON CHANGE RGQ0672-R RGQ0672-R1 FL FILTER SHEET CHANGE K2CQ2CA00007 K2CQ2CA00006 AC CORD CHANGE C6511 F1H1H222A013 F1H1H102A219 1000pF 50V...