Technics-SAEH-760-Service-Manual电路原理图.pdf

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1、 Tuner amplifier 1 Standby/on switch (?/I) Press to switch the unit from on to standby mode or vice versa. In standby mode, the unit is still consuming a small amount of power. 2 Standby indicator (?) When the unit is connected to the AC mains supply, this indicator lights up in standby mode and goe

2、s out when the unit is turned on. 3 Play timer/record timer button and indicator (FPLAY/FREC) 4 ECO mode button (MODE) 5 Clock/timer, demo button (CLOCK/TIMER, DEMO) 6 FM mode button (FM AUTO/MONO) 7 6ch discrete input button (6CH DISCRETE INPUT) 8 Source input button (INPUT SELECTOR) 9 Tuner/band b

3、utton (TUNER/BAND) :Digital super woofer button and indicator (DIGITAL S.WOOFER) ; Volume control (VOLUME) Set button (SET) ? Tuning buttons (X, W TUNING) RDS display mode buttons (RDS, PSDISP MODEPTY) H H/IMODE ? TUNING PHONES TUNING MODESETKARAOKEECHO INPUT SELECTORTUNER/BAND DIGITAL S.WOOFER VOLU

4、ME UP DOWN FM AUTO/ MONO 6CH DISCRETE INPUT ?PLAY/?REC CLOCK/TIMER DEMO 5 67 8 9;:3 41 2 ? A A B l _ r 1 m o p q z y | : 9 t ; s n u v w x H AV EFFECT SLEEP CH SELECT PROGRAM 123 456 7890 j/-/- CANCEL DISC VCR/AUX/ 6CH INPUT TAPE/ DECK 1/2 UPRO LOGICDIGITAL S.WOOFER SUPER SURROUND TUNER/ BAND ?/g? M

5、UTINGMN ?VOLUME? CD TEST 3D AI EQ/M.EQ BAND EQ Remote controls Buttons 1, 9;, , _ and function in the same way as the controls on the main unit. l Sleep timer button (SLEEP) m Numbered buttons (19, 0, M) n Cursor buttons (2, 1, 3, 4) oChannel select button (CH SELECT) p Test button (TEST) q Input se

6、lect button (VCR/AUX/6CH INPUT) r TAPE select, deck 1/deck 2 select button (TAPE/DECK 1/2) s CD pause/Tape reverse playback button (2/;) t Muting button (MUTING) u Program button (PROGRAM) v Cancel button (CANCEL) wDisc button (DISC) x EQ button (EQ) y AV effect button (AV EFFECT) z CD button (CD) C

7、D play/tape forward playback button (1) | CD/tape stop button (?) CD skip/search, tape fast forward/rewind buttons (4, 5) B 1920212223 AM MIX 12 LEVEL DET FM IF S- CURVE 2 3 REG 4 13 AGC COMP 681110 AM RF AMP AM IF AM/FM IF BUFFER 24 1 FM DET AM OSC BUFEER ALC TUNING DRIVE 18 BUFFER AMP FM ANT RF AM

8、P FM MIXER FM OSC 9 Vcc +B(FM) FM IF AMP +B2 AM IFT 1 20 7.2MHz XIN XOUT PHASE DET CHARGE PUMP CE2 3 DI 4 CL D05 98710 BO4 BO3 IO1 15 VDD 16 PD IFIN 11 BO2 1/2 14 13 FM IN AM IN Power supply (FM:ON) +B2 +B1 +B(FM) SD STEREO SWITCH 17 FM / AM I F AMP, DET / AM OSC, MIX / FM MPX (LA1833MN) 15 PILOT CA

9、NCEL PHASE DET 16 VCOFFFF PILOT DET FF AM DET DECODER BO16 IO2 12 19 Vss Power ON RESET PLL FREQUENCY SYNTHESIZER (LC72131M) +B2 GND 5 7 ST MONO FM/AM SD FMDET FM IF IN AM OSC OUT AFC AM OSC AM RF IN AGC AM OUT DET OUT PILOT IN MPX IN PILOT OUT Lch 14 Rch 17 18 AIN AOUT AM ANT COIL AM OSC COIL AM AN

10、T +B2 STRQ AM IF IN AM MIX OUT Rch IFT +B(FM) +B(FM) +B(FM) FM:ON DET CE1 DATA1 CLK1 DATA IN Z120 TUNER UNIT (RAN0005EM) REFERENCE DIVIDER SWALLOW COUNTER 1/6,1/17 4BIT 12 BIT PROGRAMMABLE DIVIDER DATA SHIFT REGISTER LATCH UNIVERSAL COUNTER From POWER TRANSFORMER 1 8 W501 2 3 4 5 6 7 9 12 13 14 15 1

11、6 17 18 A.GND DC 10V TW L TW R 19 11 10 CT.GND SH FL1 DATA D.GND TUNER L/C TUNER R MID L MID R SW MIC -B(-7.5V) V.GND CE/REQ CLK SH FL2 20SYNC +B6 Rch Rch -B3 To SOUND PROCESSOR BLOCK DIAGRAM LC72 CE LC72 DO/ST LC72 CK DATA1 CLK1 DATA IN CE1 345 LC72 DI 2 LC8A524A5N28 IC901 SYSTEM CONTROL / FL DRIVE

12、 Rch 94 SH CS 97 SH CK 9596 SH DO SH DI SYNC 100 SD 21 SH REQ SW CONT. 12 X0 X1 14 ABC 11109 G 8 2 13 BU4053BCFE2 IC201 SIGNAL SELECTOR 1 15 Y1 Y0 VDD 16 +B5 VSS 7 -B3 9 SEL/ TUNER SD LC72721NMTLM IC151 RDS SIGNAL DEMODULATOR VR901 (VOLUME) 2423 VR JOGA VR JOGB LC8A524A5N28 IC901 SYSTEM CONTROL / FL

13、 DRIVE 29 REMO- CON Z901 REMOTE SENSOR +B9 17G 3137 P135 4045, 4750 5271, 7377 FL901 FL DISPLAY D933,934 78 REGIN0 81 TIMER 82 S.W LED D951 (DIGITAL S.WOOFER) 80 STANDBY D954 (PLAY/REC) D306 () DET 28 RDS DATA RDS CLK 27 CLOCK RECOVERY (1187.5Hz) RDDA RDCL PCL RDS-ID IDR RDS-ID DETECT 57kHz BPF (SCF

14、) PLL (57kHz) VREF CINFLOUTVREF VDD Vss MPXIN T1 T2 T3 T4 TEST XOUTXINSTDBY OSC/DIVIDER CLK(4.332MHz) 101120 14 19 8 7 2 4,12 3,13 +B2 1 56 16 17 9 15 18 X151 REGIN1 1617 X901 (6MHz) XC IN XC OUT 1314 X902 (32.7kHz) X IN X OUT CRT TIMER D903 99 ANTIALIASING FILTER SMOOTHING FILTER REFERENCE VOLTAGE

15、DATA DECODER 79 MUTING Q607 (Q608) MUTING Q606 MUTING Q605 88 MUTE2 MUTE2 SURROUND SPEAKERS CENTER SPEAKERS (8 ) SPEAKERS R ch HEADPHONES KEY SWITCH (S901915) 1920 KEY TU KEY KARAOKE Q901, D904 RESET 12 RESET +B9 15 Vss 89 Vss2 90 VDD2 +B7 VDD1 VDD3 VDD4 184672 D902D901 LC8A524A5N28 IC901 SYSTEM CON

16、TROL / FL DRIVE 1621 GND 1047 5 1 (2) 6 3 20 15 19 (18) 26 (25) 23 24 RSN311W64A IC601 POWER AMP +B3 D601 -B1 D602 -B2 Q601,602 9 +B8 Q551,554,555 13 POWER 98 E DET HP SW 26 AC IN AC IN 8687 /ECO /ECO POWER POWER 11 +B7 1 CHECK TP 14 N Q503,558 +B4 51 -VP -VP 85 MUTE D906 SWITCH- ING D974 SWITCH- IN

17、G D907 22 8 11 (12) HIGH (6 ) MID (6 ) RLY602 RLY605 LOW (8 ) Q617 Q618 6 RL1 7 RL2 MUTING CONT Q911 (Q912) Q902,961 -VP MUTING MUTE2 SIGNAL LEVEL DET RELAY DRIVE RELAY DRIVE +B11 +B11 POWER CONTROL CIRCUIT POWER CONTROL/ PROTECTION CIRCUIT POWER TRANSFORMER F1 AC IN L701 T701 D702,704, 752,754,755

18、Q709 Q707 +B4 +B5 -B3 Q702,705 Z701RLY702 Q791 POWER TRANSFORMER T702 D741744 RL701 -B1 -B2 Q703,704 +B8D701,703, 751,753 Q706 Q701 +B1 Q723 +B2 Q711,725 D717720 +B6 D705 -VP FL1 FL2 FL DISPLAY (FL901) Q708 +B3 POWER SYNC /ECHO Q726 +B7 +B9 +B10 D902 D901 AC IN D956 (TRI-AMPLIFIER) D746 REGULATOR RE

19、GULATOR REGULATOR REGULATOR SWITCH- ING SWITCH- ING REGULATOR REGULATOR REGULATOR RELAY DRIVE RELAY DRIVE +B11 +B11 +B7 NOTES :SIGNAL LINE : FM SIGNAL : AM SIGNAL : FM OSC SIGNAL : AM OSC SIGNAL : SOURCE SIGNAL : CENTER SP. DRIVE SIGNAL : SURROUND SP. DRIVE SIGNAL () indicates pin No. Right channel.

20、 ABCDEF 1 2 3 4 5 6 7 8 R929 R955 R988 R991 R937 R936 R926 R935 R987 R914 R910 R909 R953 R951 R943 R961 R155 R151 R152 R153 R154 R924 R925 R922 R921 R944 R906 R905 J J J J R915 R916 R954 R996 R990 R934 R930 R931 1 2 3 VR901 (VOLUME) R923 R918 R957 R919 R969 R933 R967 R993 R986 R939 R960 R911 R976 R9

21、52 R928 R938 R904 R903 R902 R511 R509 R510 R946 R908 R950 R945 R962R949 R158 R907 R913 R959 R958 R975 R932 J J J J J J J J J J J J R956 R995 R942 R968 R965 R997 R966 R941 R984 R912 D956 (TRI-AMPLIFIER) D951 S913 J 15 1413 1211 109 8 7 6 5 4 3 2 1 W902B J J J J J J J J J C902 C931 C915 C903 D903 C961

22、 C901 C922 C920 C928 C913 D961 Q961 B C E Q902 E C B D906 D901 D902 C921 C926 C905 C912 C924 C917 C157 C152 C153 C160 C156 C510 C509 C395 C396 C923 C155 C154 C908 C907 C925 C909 C904 C911 C910 15 1413 1211 109 8 7 6 5 4 2 1 W901B 3 D973 D934 D933 D915 D904 D974 D907 D905 J L901 L902 L153 L151 L152 J

23、 S915 (RDS DISP MODE-PTY) S914 (RDS DISP MODE-PS) S907 (SET) S906 (TUNING MODE) S905 (FM AUTO/ MONO) S903 (CLOCK/TIMER, DEMO) S902 (MODE) S904 ( PLAY/ REC) S908 (INPUT SELECTOR) S909 (6CH DISCRETE INPUT) S912 (TUNER BAND) J J J J J J J J J J J J 1 5 10 15 20 25 30 35 40 45 50 55 60 31 51 65 75 70 80

24、81 85 90 95 100 IC901 Q901 B C E 3 2 1 X901 J J J X902 1 2 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 53 54 FL901 C914 C916 C918 J J J J R901 R963 R964 R512 J J J J C158 C159 C151 C919C927 Z901 (SENSOR) 3 2 1 X

25、151 IC151 1510 111520 D151 D954 Q912E C B Q911 E C B JK903 (PHONES) 8 1 2 7 4 3 5 W905 TP OPERATION P.C.B. A (REP2964A-M) DIGITAL S.WOOFER S911 (TUNING ) S910 (TUNING ) S901 ( / ) D306 ( ) ELECTRICAL PARTS LOCATION OPERATION P.C.B.A Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No. IC151 IC901 Q901 Q902

26、 Q911 Q912 Q961 D151 D306 D901 D902 D903 D904 D905 D906 D907 D915 D933 D934 D951 D954 D956 D961 D973 D974 VR901 L151 L152 L153 L901 L902 Z901 X151 X901 X902 FL901 S901 S902 S903 S904 S905 S906 S907 S908 S909 S910 S911 S912 S913 S914 S915 JK903 W901B W902B W905 R151 R152 R153 R154 R155 R158 R509 R510

27、 R511 R512 R901 R902 R903 R904 R905 R906 R907 R908 R909 R910 R911 R912 R913 R914 R915 R916 R918 R919 R921 R922 R923 R924 R925 R926 R928 R929 R930 R931 R932 R933 R934 R935 R936 R937 R938 R939 R941 R942 R943 R944 R945 R946 R949 R950 R951 R952 R953 R954 R955 R956 R957 R958 R959 R960 R961 R962 R963 R964

28、 R965 R966 R967 R968 R969 R975 R976 R984 R986 R987 R988 R990 R991 R993 R995 R996 R997 C151 C152 C153 C154 C155 C156 C157 C158 C159 C160 C395 C396 C509 C510 C901 C902 C903 C904 C905 C907 C908 C909 C910 C911 C912 C913 C914 C915 C916 C917 C918 C919 C920 C921 C922 C923 C924 C925 C926 C927 C928 C931 C961

29、 7C 4C 5B 3C 7B 7B 2C 6C 8B 3C 3C 2B 5B 3B 2C 6C 4B 4C 4C 2C 7B 1C 2C 3C 6B 1B 6C 7C 5C 4C 4B 7C 7B 5B 6B 6C 8B 7B 7B 8B 6B 6A 6A 5B 6B 5A 4A 4B 2C 4A 3A 7A 3D 2D 8A 6C 6C 7C 7D 6D 6C 8B 8A 7B 8A 7B 7B 7B 7B 6A 6A 5B 6B 5A 5A 4B 2C 3A 4B 4B 3A 2B 2B 6B 6B 1C 6C 6C 3B 6B 2B 2B 2B 2B 3C 2B 3B 3B 3B 7B

30、 4C 2C 2C 5C 6B 6C 6B 6C 6C 5C 5B 5B 3B 2B 2B 2B 3B 3C 4C 6C 6C 8B 8B 3C 3C 2C 2C 3C 3C 5B 1C 3C 3B 2B 3C 2B 3C 2C 3C 3C 7C 7C 7C 7C 7C 7B 7B 7B 7B 7C 7B 7B 8B 8A 4B 2C 3B 5C 4B 6C 5C 5C 5B 5B 5B 3B 5B 2B 6B 6B 6B 7C 3C 3C 3C 8A 6B 5B 3B 7C 3C 3C 2C ABCDEF 1 2 3 4 5 6 7 8 10 9 8 7 6 5 4 3 2 1 CN781

31、D607 R635 R626 R629 R712 R707 R766 R669 R670 R702 J J J J R708 R719 R230 R598 R597 J J J J J J J J J J J J J J J 15 1413 1211 109 8 7 6 5 4 3 2 1 W902A J J J J J J J J J J J J J J J J J J J J E C B Q723 C740 C733 R764 R763 R564 R563 R570R559 R555 R687 R628 R604 R603 R605 R606 R617 R618 R684 R683 R68

32、8 R729 R553 R607 R572 R571 R544 R637 R767 J R722 R721 J R623 R548 R649 R650 R624 R608 R739 R704 R703 R638 R797 R738 R776 J R556 R727 R621 R552 R551 R631 R632 R609 R611 R647 R640 R643 R705 R644 R652 R639 R645 R641 R651 R646 J R642 R627 R610 R648 R619 R691 R612 R620 R546 R547 R554 R614 J J R615 R686R6

33、85 J R601 R602 R622 R557 R558 R591 R202 J J J J J J J J J J J J J J J J J J J J J J J J J J J D737 D659 D657 C705 15 1413 1211 109 8 7 6 5 4 3 2 1 W901A 1514 1312 1110 9 8 7 6 5 4 3 2 1 W501 16 1718 1920 J J J J J J J J J J J J J J J J J J J J J J J J J J C737 C706 C564 D721 C708 C202 C201 C550 C552

34、 C724 C709 C619 C613 C614 C723 C647 C608 C607 C611 C609 C616 C612 C617 C618 C648 C605 C606 C610 C604 C603 C649 C620 C632 C650 C707 C714 C731 C741 C761 B C E Q707 158 9101516 IC201 C554 C551 C553 C721 C660 C622 C659 C601 C602 C735 1234567891011 CP101 R203 R204 R211 R229 R561 D757 D555 D551 D558 D736

35、D753 D749 D756 D658 D563 D715 D718 D717 D755 D761 D705 D754 D613D614 D719 D720 D552 E C B Q555 E C B Q554 E C B Q558 E C BQ708 E C B Q709 E C BQ706 E C B Q503 D201 D725 E C B Q551 B C E Q703 E602 E C B Q607 E C B Q602 E C B Q601 E C B Q606 E C B Q605 E C B Q608 26 25 24 23 22 21 20 19 18 17 16 15 14

36、 13 12 11 10 9 8 7 6 5 4 3 2 1 IC601 J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J D602 D601 E601 J J J D703 D704 D702 D752 D701 D751 RL701 C715 1 2 3 4 5 6 7 8 9 10 1 2 3 4 W721 W722 65 21 43 C702 C703 C701 C704 J J J J J J J J C642 C641 C639 C732 C625 C627 C624C626 C640 C62

37、1 RL602 1 8 4 567 32 1 8 4 567 32 RL605 E C B Q617 E C B Q618 R672 R667R668 R675 1 2 3 4 CP603 1 2 3 4 CP602 5 6 7 81 2 3 4 CP601 5 6 7 8 9101112 J C631 C635C637 C666 C636 JK601 JK602 MAIN P.C.B. B (REP2964A-M) SPEAKERS To SB-EH760 To SOUND PROCESSOR (R) (R) (L) (L) (R) (L) LOW (8 ) MID (6 ) HIGH (6

38、 ) LOW (8 ) MID (6 ) HIGH (6 ) L601 L603 L604 L602 N L605 L606 J GHIJKL B C E Q701 B C E Q702 B C E Q711 B C E Q725 E C B Q705 R725 R723 C719 C717 C710 C720 W701B D723 10 9 8 7 6 5 4 3 2 1 C718 C722 C734 R720 R724R768 R770 R749 R765 D760 D758 D739 D738 J D730 J POWER SUPPLY P.C.B. C (REP2964A-M) ELE

39、CTRICAL PARTS LOCATION Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No.Ref. No.Lo. No. MAIN P.C.B.B POWER SUPPLY P.C.B.C Q701 Q702 Q705 Q711 IC201 IC601 Q503 Q551 Q554 Q555 Q558 Q601 Q602 Q605 Q606 Q607 Q608 Q617 Q618 Q703 Q706 Q707 Q708 Q709

40、Q723 D201 D551 D552 D555 D558 D563 D601 D602 D607 D613 D614 D657 RL701 CN781 CP101 CP601 CP602 CP603 JK601 JK602 E601 E602 W501 W721 W722 W901A W902A R202 R203 R204 R211 R229 R230 R544 R546 R547 R548 R551 R552 R553 R554 R555 R556 R557 R558 R627 R628 R629 R631 R632 R635 R637 R638 R639 R640 R641 R642

41、R643 R644 R645 R646 R647 R648 R649 R650 R651 R652 R667 R668 R669 R670 R672 R675 R683 R684 R685 R686 R687 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C616 C617 C618 C619 C620 C621 C622 C624 C625 C626 C627 C631 C632 C635 C636 C637 C639 C640 C641 C642 C647 C648 D658 D659 D701 D702 D703 D704

42、D705 D715 D717 D718 D719 D720 D721 D725 D736 D737 D749 D751 D752 D753 D754 D755 D756 D757 D761 L601 L602 L603 L604 L605 L606 RL602 RL605 R559 R561 R563 R564 R570 R571 R572 R591 R597 R598 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R614 R615 R617 R618 R619 R620 R621 R622 R623 R624 R62

43、6 R688 R691 R702 R703 R704 R705 R707 R708 R712 R719 R721 R722 R727 R729 R738 R739 R763 R764 R766 R767 R776 R797 C201 C202 C550 C551 C552 C553 C554 C564 C601 C602 C603 C649 C650 C659 C660 C666 C701 C702 C703 C704 C705 C706 C707 C708 C709 C714 C715 C721 C723 C724 C731 C732 C733 C735 C737 C740 C741 C76

44、1 R749 R765 R768 R770 D739 D758 D760 W701B Q725 D723 D730 D738 R720 R723 R724 R725 C710 C717 C718 C719 C720 C722 C734 2D 5F 3D 2D 2D 3D 3D 2E 2E 2E 2E 3E 3E 8C 8C 3D 4D 3C 4D 4D 1B 3D 2E 2D 2D 3D 3D 5E 5E 1B 7D 7D 2B 3D 2B 5D 5C 4D 5C 4C 4C 4C 4C 4C 4C 3C 3E 4D 1C 3E 5D 5C 5D 7C 5C 3D 2D 5C 7E 5E 6D

45、 6D 5D 4D 7E 8D 5C 2B 1D 8E 8D 8C 8E 7E 7E 3E 2C 5C 5C 3C 2B 3D 2D 2D 3D 2D 2C 3D 4E 4E 4E 3E 3E 3E 4E 3E 2E 2D 2D 2D 2D 2C 2C 2D 3D 3D 2D 2C 2C 3E 3E 3E 3E 2E 2E 3E 3E 4E 4E 4E 4E 3E 3E 2E 2E 4E 4E 3E 3E 4E 4E 3B 4E 3E 3B 3E 3E 2B 3D 3D 6E 5E 7D 5E 6D 6D 6D 7D 4E 4E 4D 4D 7D 7E 8C 8C 7C 7C 8C 7C 2E

46、 2E 2E 2E 3E 3E 4E 7C 5D 5D 5D 4C 4C 2B 2B 4D 4D 3E 3E 3D 4D 1C 1C 4C 3D 3D 3D 3D 3C 2D 2D 2D 2E 2D 3D 2C 2D 3E 3E 4E 4E 3E 3E 4E 4E 4E 3E 3E 3E 4E 4E 4E 3D 6E 7D 3E 7E 7D 7E 7D 8E 7E 8E 7E 8E 7D 7D 8D 7D 3E 4E 4E 4E 3E 3E 7E 7C 6C 6C 6C 2B 3C 4C 3C 3D 4C 4C 3E 3D 3D 4C 7D 1C 1D 4C 1C 5C 6C 2I 2I 2I

47、 2I 2I 2I 3I 3I 2I 3I 2I 2I 2I 2I 2I 1I 2I 3I 2I 2I 2I 2I 2I 2I 2I 2I 2I ABCDEF 1 2 3 4 5 6 7 8 RL702 T702(Power transformer) R794 R773 R774 R777 R795 R771 R772 E C B Q791 E C B Q726 D500 D711 D746 D742 D744 D741 D743 D740 J J J J J C754 C758 D745 D747 C759 1 2 3 4 CN603 1 2 3 4 CN602 5 6 7 8 1 2 3

48、4 CN601 5 6 7 8 9 10 11 12 J J J J J J J J C755 C753 C651 C646 C643 C645 C644 C652 JK603 JK701 J J J J L701 FC1FC2 F1 T2A Z701 W1 W2/W3 C791 AC IN P.C.B. D 1 2 43 AC IN 230V 50Hz . E,EG 230-240V 50Hz . EB SL SR C REP2966A-M . E,EG REP2966B-M . EB CN710 CN709 CN708 CN707 CN706 CN705 CN704 CN703 CN702

49、 CN701 R792 R791 R793 W722W721 J J POWER TRANSFORMER (B) P.C.B. F POWER TRANSFORMER (A) P.C.B. E CN712 CN713 CN711 W3 W2 W1 J J J J J J 1 2 3 4 5 6 7 8 9 10 1 2 3 4 T701(Power transformer) (REP2964A-M) REP2966A-M . E,EG REP2966B-M . EB J ELECTRICAL PARTS LOCATION POWER TRANSFORMER(A) P.C.B.E Ref. No.Lo. No.Ref. No.Lo. No. POWER TRANSFORMER(B) P.C.B.F SPEAKER TERMINAL P.C.B.D Q726 Q791 D500 D711 D740 D741 D742 D743 D744 D745 D746 D747 L701 T702 Z701 F1 RL702 CN601 CN602 CN6