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Panasonic SA-DT300E Service Manual
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Summary of Contents for Panasonic SA-DT300E

  • Page 18 Note: This printed circuit board diagram may be modified at any time with the development of new technology. FL P.C.B. MAIN P.C.B. (SIDE:A) C904 Q904 D903 CN903 Q456 Q453 D451 C903 D751 (CP702) VR901 Q454 RJ73 R465 Q455 C909 R922 (Q724) Q721 C920...
  • Page 19 MAIN P.C.B. (SIDE:B) CP702 D729 D752 D753 D730 Q724 Q729 Q733 D733 D735 E C B E C B Q722 C730 R738 RJ50 D728 D734 L604 C611 C630 C623C614 CN301 C635 IC601 Q304 To SL-DT300 C746 C609 C616 C624 Q303 WA721 C621 D738...
  • Page 20 DIGITAL AMP P.C.B. (SIDE:A) DIGITAL AMP P.C.B. (SIDE:B) CN102 (CN102) 8 10 12 14 16 18 20 22 24 R178 R177R176R175 R058 (CN101) CN101 L103 C019 R107 R1020 C140 C103 C188 R162 D1020 R105 C139 C187 C162 R161 R103 C005 C1040 (Q051) IC051...
  • Page 21 HEADPHONE P.C.B. JK901 AC IN P.C.B. (SIDE:A) AC IN P.C.B. (SIDE:B) (RL702) RL702 (W1) Z901 Q701 C916 T702 (POWER TRANSFORMER) (T702) (POWER TRANSFORMER) R715 R745 CN904 C702 Q702 (REP3348A-S) R704 R705 R706 (CN702) CN702 (D702) (D701) (Z701) D701 D702 Z701 (W2/W3/W4) W2/W3/W4 (C704)
  • Page 22 SCHEMATIC DIAGRAM-1 :NEGATIVE VOLTAGE LINE FL CIRCUIT MAIN CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE :FM SIGNAL LINE :AM SIGNAL LINE FL901(A2BC00000048) FL DISPLAY R546 R541 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 45 46 47 48 49 50 51 52 53 54 55 56...
  • Page 23 SCHEMATIC DIAGRAM-2 :NEGATIVE VOLTAGE LINE MAIN CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE :FM SIGNAL LINE :AM SIGNAL LINE To TUNER CIRUIT(CP301) To SL-DT300 (CN1) on SCHEMATIC DIAGRAM-10/9-A 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CN301 CP301 R615...
  • Page 24 SCHEMATIC DIAGRAM-3 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE C347 R992 A B C J K L IC303 100K R713 R362 NJM4558MTE1 R364 R363 RJ38 C361 2.7K 3.3K 16V10 R999 100K R998 BUFFER AMP Q301 R941 B1GFGCAA0001 R939 R943...
  • Page 25 SCHEMATIC DIAGRAM-4 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE -6.3V -6.3V IC722 IC723 IC726 IC727 C0CBADE00034 C0CBADE00031 C0CBADE00034 C0CBABC00119 REGULATOR REGULATOR REGULATOR REGULATOR D302,303 C321 R335 C323 R339 MA111TX IC728 16V10 0.068 8.2K C0CBAEE00004 D302 VOUT VOUT VOUT VOUT...
  • Page 26 SCHEMATIC DIAGRAM-5 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE CN720 R471 R472 DIGITAL AMP CIRCUIT(CN102) on SCHEMATIC DIAGRAM-6/2-A~C FRQ SHIFT MUTE FRNT MUTE REAR MUTE SUB +B(5V) 3.3V +B(3.3V) SHTDWN R716 RJ56 GATE BIAS FAN DET W705 DIGITAL AMP CIRCUIT(CN101) on SCHEMATIC DIAGRAM-6/2-D...
  • Page 27 SCHEMATIC DIAGRAM-6 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE R142 3.2V 3.2V 3.2V R190 Q002 Q001 XN0431100L UN5111TX SWITCHING SWITCHING 3.2V C1016 3.2V 0.6V 2.1V 4.6V 4.6V 1.2V 0.6V 3.2V C1015 IC019 IC017 IC018 C0JBAB000423 C0JBAD000153 C0JBAB000423 Z002 IC022 INVERTER NOR GATE...
  • Page 28 SCHEMATIC DIAGRAM-7 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE 3.2V IC001 C0ZBZ0000647 TRUE DIGITAL AMP D1021 R1021 MAZ80510LL 1.6V 26.7V PWM AP C007 1.6V 14.9V PWM AM LDROUTA C009 0.033 BOOTSTRAPA ERR1 3.1V 26.7V ERR0 R003 C011 3.1V 26.7V SHUTDOWN R101...
  • Page 29 SCHEMATIC DIAGRAM-8 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE 3.2V IC003 C0ZBZ0000647 TRUE DIGITAL AMP D1025 R1025 MAZ80510LL 1.6V 26.7V PWM AP C037 1.6V 14.9V PWM AM LDROUTA C039 0.033 BOOTSTRAPA ERR1 3.1V 26.7V C129 ERR0 R013 C041 3.1V 26.7V SHUTDOWN...
  • Page 30 SCHEMATIC DIAGRAM-9 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE IC005 C0ZBZ0000647 TRUE DIGITAL AMP D1029 R1029 MAZ80510LL 1.6V 26.7V PWM AP C067 1.6V 14.9V PWM AM LDROUTA C069 0.033 BOOTSTRAPA ERR1 3.1V 26.7V ERR0 R023 C071 3.1V 26.7V SHUTDOWN R121 3.1V...
  • Page 31 SCHEMATIC DIAGRAM-10 TUNER MODULE CIRCUIT(Z1001 ENG07701Q) :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE :FM OSC SIGNAL LINE 2SC2059 FM MIXER ~ 680 ~ 220 100K ~ 470K ~ 1K FM ANT (75 ) 1000P 2SK360 RF AMP 2SC2413 or...
  • Page 32 SCHEMATIC DIAGRAM-1 FL CIRCUIT FL901(A2BC00000048) FL DISPLAY 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 45 46 47 48 49 50 51 52 53 54 55 56...
  • Page 33 :NEGATIVE VOLTAGE LINE MAIN CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE :FM SIGNAL LINE :AM SIGNAL LINE R546 R541 L542 L541 C549 0.3V 5.2V 5.2V 2.5V IC541 C1BB00000527 RDS SIGNAL DEMODULATOR 2.6V 2.6V 5.2V 2.6V 2.6V 2.7V C550 RJ49 C545 C544 560P 6.3V47...
  • Page 34 SCHEMATIC DIAGRAM-2 MAIN CIRCUIT To TUNER CIR To SL-DT300 (CN1) on SCHEMATI 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CN301 RJ42 R416 8.2K R415 8.2K R355 R404 C646 R621 50V1 C647 50V1 R622 C602...
  • Page 35 :NEGATIVE VOLTAGE LINE :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE :FM SIGNAL LINE :AM SIGNAL LINE To TUNER CIRUIT(CP301) on SCHEMATIC DIAGRAM-10/9-A 8 19 CP301 R615 100K L602 C611 0.022 C623 0.022 RJ48 C646 R621 50V1 2.4V LIN4 ELR I/ O 2.4V LIN3 SYNC...
  • Page 36 SCHEMATIC DIAGRAM-3 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE R992 A B C J K L M R713 100K R999 100K R998 R941 R939 R943 D949 MAZ80510LL Q941 UN5214TX C954 RESET 220P C952 5.1V R945 50V3.3 C956 220P C941...
  • Page 37 C347 IC303 R362 NJM4558MTE1 R364 R363 RJ38 C361 2.7K 3.3K 16V10 BUFFER AMP Q301 B1GFGCAA0001 -6.1V MUTING -6.2V -6.2V 5.9V R356 R358 R357 C359 2.7K 3.3K 16V10 C345 C353 IC304 NJM4558MTE1 R375 R373 R372 RJ36 C363 2.7K 1.5K 16V10 BUFFER AMP Q302 B1GFGCAA0001 -6.1V...
  • Page 38 SCHEMATIC DIAGRAM-4 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE -6.3V -6.3V D302,303 C321 R335 C323 R339 MA111TX 16V10 0.068 8.2K D302 D301 R341 R346 MA111TX 8.2K Q305 D303 B1GFGCAA0001 R390 MUTING R383 C327 C329 C335 100P 470P 10V33 -6.2V...
  • Page 39 IC722 IC723 IC726 IC727 C0CBADE00034 C0CBADE00031 C0CBADE00034 C0CBABC00119 REGULATOR REGULATOR REGULATOR REGULATOR IC728 C0CBAEE00004 VOUT VOUT VOUT VOUT OU T REGULATOR 8.5V 8.5V 8.5V 3.3V 8.5V 8.5V 6.1V C748 C751 C726 C754 C762 C755 C749 C744 C740 0.33 10V4.7 L721 3.3V L722 Q722...
  • Page 40 SCHEMATIC DIAGRAM-5 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE CN720 R471 R472 DIGITAL AMP CIRCUIT(CN102) on SCHEMATIC DIAGRAM-6/2-A~C FRQ SHIFT MUTE FRNT MUTE REAR MUTE SUB +B(5V) +B(3.3V) 3.3V SHTDWN R716 RJ56 GATE BIAS FAN DET W705 DIGITAL AMP CIRCUIT(CN101) on SCHEMATIC DIAGRAM-6/2-D...
  • Page 41 GITAL AMP CIRCUIT(CN102) MATIC DIAGRAM-6/2-A~C GITAL AMP CIRCUIT(CN101) MATIC DIAGRAM-6/2-D OWER TORANSFORMER CIRCUIT T701 CN710 AC20.6V CN709 FP701 CN708 CN713 AC12.3V CN707 CN715 CN706 AC30V R714 CN705 CN712 CN704 AC4.2V CN703 CN714 R712 IN CIRCUIT Q701 B1ABGC000001 RL702 RELAY DRIVE R702 3.9K 0.7V...
  • Page 42 SCHEMATIC DIAGRAM-6 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE R142 R190 C1016 2.1V 4.6V 4.6V 1.2V C1015 IC022 C1014 C0FBAJ000009 16bit A / D CONVERTER 3.2V R163 C141 16V1 C1013 IC02 2.1V 2.1V 4.6V 1.5V 1.6V 1.6V LOGIC (D-TY R164 C142...
  • Page 43 3.2V 3.2V 3.2V Q002 Q001 XN0431100L UN5111TX SWITCHING SWITCHING 3.2V 3.2V 0.6V 0.6V 3.2V IC019 IC017 IC018 C0JBAB000423 C0JBAD000153 C0JBAB000423 Z002 INVERTER NOR GATE INVERTER 3.2V 3.2V 3.2V 1.4V 0.6V 1.3V 3.2V 1.3V IC020 TC7WH74FUTL LOGIC CONT. (D-TYPE FLIP FLOP) 1.4V 1.6V 3.2V...
  • Page 44 SCHEMATIC DIAGRAM-7 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE 3.2V IC001 C0ZBZ0000647 TRUE DIGITAL AMP D1021 R1021 MAZ80510LL 1.6V 26.7V PWM AP C007 1.6V 14.9V PWM AM LDROUTA C009 0.033 BOOTSTRAPA ERR1 3.1V 26.7V ERR0 R003 C011 3.1V 26.7V SHUTDOWN R101...
  • Page 45 C128 1.6V 3.2V MCLK IN 1.6V PWM P L 1.8V 1.6V PLL FLT OUT PWM M L PLL FLT RET IC012 AVss2 C0ZBZ0000650 3.2V 2.9V DIGITAL AUDIO / RESET DVss2 PWM PROCESSOR 3.2V 1.6V / PDN PWM P R 3.2V 1.6V VALID R PWM N R...
  • Page 46 SCHEMATIC DIAGRAM-8 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE 3.2V IC003 C0ZBZ0000647 TRUE DIGITAL AMP D1025 R1025 MAZ80510LL 1.6V 26.7V PWM AP C037 1.6V 14.9V PWM AM LDROUTA C039 0.033 BOOTSTRAPA ERR1 3.1V 26.7V ERR0 R013 C041 3.1V 26.7V SHUTDOWN R111...
  • Page 47 C129 1.6V 3.2V MCLK IN 1.6V PWM P L 1.8V 1.6V PLL FLT OUT PWM M L PLL FLT RET IC013 AVss2 C0ZBZ0000650 3.2V 2.9V DIGITAL AUDIO / RESET DVss2 PWM PROCESSOR 3.2V 1.6V / PDN PWM P R 3.2V 1.6V VALID R PWM N R...
  • Page 48 SCHEMATIC DIAGRAM-9 DIGITAL AMP CIRCUIT :POSITIVE VOLTAGE LINE :AUDIO SIGNAL LINE IC005 C0ZBZ0000647 TRUE DIGITAL AMP D1029 R1029 MAZ80510LL 1.6V 26.7V PWM AP C067 1.6V 14.9V PWM AM LDROUTA C069 0.033 BOOTSTRAPA ERR1 3.1V 26.7V ERR0 R023 C071 3.1V 26.7V SHUTDOWN R121 3.1V...
  • Page 49 JK101 SPEAKERS FRONT HF/ LF(6 ) SURROUND(6 ) CENTER(6 ) SUB WOOFER(6 ) SP FRAME SA-DT300(E,EB,EG) DIGITAL AMP CIRCUIT DIAGRAM...
  • Page 50 SCHEMATIC DIAGRAM-10 TUNER MODULE CIRCUIT(Z1001 ENG07701Q) 2SC2059 FM MIXER ~ 680 ~ 220 FM ANT (75 ) 2SK360 RF AMP 2SC2413 or 2SC3053 BUFFER AMP AM ANT LOOP 270P ~ 560P 1000P 5.6K 0.01 100P LC72131M PLL FREQUENCY SYNTHESIZER 7.2MHz 3.3K...
  • Page 51 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE :FM OSC SIGNAL LINE ~ 680 100K ~ 470K ~ 1K 1000P 2SC2413 or DTA114 or 2SC3053 RT1P141C FM IF AMP POWER SUPPLY (FM:ON) ~ 100 220 ~ 1000P 10K ~ 220 ~...
  • Page 52 C0CBAEE00004 C0CBABC00119 BU4053BCFE2 16PIN M62456FPE1 24PIN C0HBB0000030 64PIN NJU7313AMT2 30PIN C0ZBZ0000647 32PIN C1BB00000527 16PIN C0FBAJ000009 14PIN NJM4558MTE1 8PIN C0FBAK000008 20PIN M62444F PE1 42PIN TC7WH74FUTL 8PIN M5218AP 8PIN No.1 No.1 C0JBAB000423 C0DAZZC00003 C2CBHG000095 80PIN C0CBAEE00003 AHCTG08DBV C2HBZC000013 80PIN C0CBAHE00002 C0JBAD000153 C0ZBZ0000650 48PIN C0CBADE00034 C0JBAZ001870...
  • Page 53 HEADPHONE P.C.B. CN904 7 ..1 7 ..1 7 ..1 CN903 FL P.C.B. CN902 2 . . . 10 1 . . . 9 CN901 11 ..1 12 .

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