Technics-RSDV280-tape-sch 电路图 维修手册.pdf

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1、O Deck 1 cassette holder open button ( OPEN) P Deck 1 Q Fast forward/rewind, TPS buttons (6, 5) R Deck 2 S Deck 2 cassette holder open button ( OPEN) T Counter reset, display buttons (COUNTER, RESET, DISPLAY) U Deck 1/deck 2 select button (DECK 1/2) V Playback buttons and indicators (, !) The color

2、of the indicators depends on the operation taking place. If stopped, fast forwarding or rewinding: orange If playing or recording: green While carrying out TPS or recording is on standby: flashes W Stop button (?) X Dolby noise reduction button (DOLBY NR) Y Reverse mode button (REV MODE) Z Tape edit

3、 button (TAPE EDIT) Record pause button ( ? REC PAUSE) COUNTER RESETDISPLAY DECK 1/2 OPENOPEN DOLBY NR ? 56 REV MODE TAPE EDIT HREC PAUSE OPQRS TU V WXYZ RadioFans.CN 收音机爱 好者资料库 CXA1552M-T4 IC201 DOLBY B NR REC EQ 8765 4 3 21 R101, C115 (R102, C116) Q103 (Q104) 11 42 (43) 41 (44) 40 (45) 39 (46) 29

4、(8) REC EQ AMP 35363444812 1516 17 18 24 25 26 27 LATCH SHIFT REGISTER REC EQ CONT. P.B. EQ CONT. AGC 38 (47) 31 (6) 30 (7) 22212019 32 (5) 12 15 R/P 5124 +B1 2 +B1 +B1 VR102(VR103) PLAYBACK GAIN ADJ. (DECK2) DECK2 R/P HEAD +B1 Q101 (Q102) ATT2 ATT1 ATT3 SCDET ON/OFF CXA1998BQT6 IC101 R/P EQ AMP BA7

5、755AF IC103 R/P SELECT TPS 25 S975(F. REC. INH.) S971(MODE) AD SW 3 4 5 Z971 LADDER RESISTOR +B3 2 1 7 39 M38503M2406F IC701 SYSTEM CONTROL 18 RESET 26 A DATA 27 A CLK A LATCH 28 Q706, D705 +B3 SYNC1 8 CN601 2 3 4 5 6 7 9 12 CS +B(10V) D.GND SCLK DATA 11 10 DECK REQ NC TAPE Rch OUT RS A.GND13 14 15

6、16 17 18 R CH CLK 10 8 REQ Q701 7 HALT CS 9 +B3 TAPE Lch OUT TAPE Rch IN TAPE Lch IN R CH DATA IN DATA OUT 12 11 Q702,703 TP604 Q604,D606 D710 20 19 X OUT X IN X701 (8MHz) Q107 Q303,304 BIAS OSC D301 DECK2 ERASE HEAD +B1 L301 Q301,305,306 BIAS OSC CONTROL (CrO2/ METAL) Q302 TP301TP302 Q105 (Q106) AM

7、S 23 +B3 RFS MUTE 3 DECK1 PLAYBACK HEAD +B1 7 14 MC14066BFEL IC102 DECK 1/2 SELECT VR104(VR101) PLAYBACK GAIN ADJ. (DECK1) 1 (11) 4 (8) 13 (12) 2 (10) 5 (6) 3 (9) 3 (14) 1 (16) 6 (11) 7 (10) 8 (9) AVss Vss 15,21 3 Q201 DOLBY ON/OFF 31 32 DOLBY ON/OFF ENC/DEC S953(CrO2,DECK1) S973(CrO2,DECK2) S976(ME

8、TAL,DECK2) CRO2 1 22 S951(MODE) S952(HALF) METAL 2 14 MODE 23 HALF1 24 6 M1 S972(HALF) S974(R. REC. INH.) 6 D951 SOLENOID Q807,809 CAPSTAN MOTOR (DECK1) VR801 (TAPE SPEED ADJ.)M Q803,805 +B2 D971SOLENOID Q808,810 CAPSTAN MOTOR (DECK2) VR803 (TAPE SPEED ADJ.)M Q804,806 +B2 M2 30 PL2 29 MC2 40 MC1 41

9、KEY2 41 KEY SWITCH (S900,901,903907, 909915) KEY1 42 To DVD CHANGER, CD CHANGER, CD PLAYER BLOCK DIAGRAM & SOUND PROCESSOR BLOCK DIAGRAM NC NC A.GND NC NC +B2 TP609 VREF +B3Vcc 2 1 D707 5 PL1 D101 D102 CRO2 2 13 +B3 Q903,904 D905,907 () Q901,902 16 FWD LED 17 REV LED 37 LED CNT PHOTO2 T 3840 PHOTO1

10、T 19 20 NC NC +B1 Q602 DOLBY L(R)ch Rch IN Lch IN Rch OUT Lch OUT +B3 (D.GND) A.GND +10V +B1 7 14 MC14066BFEL IC202 SIGNAL CONT. 10 (8) 12 (6) 11 (9) Q108 4 LMT SOLENOID DRIVE CAPSTAN MOTOR DRIVE RESET SIGNAL GENERATOR REGULATOR INTERFACE INTERFACE LED DRIVE LED DRIVE CAPSTAN MOTOR DRIVE SOLENOID DR

11、IVE POWER SUPPLY 0N2180RLC1 IC971 PHOTO INTERRUPTER 0N2180RLC1 IC951 PHOTO INTERRUPTER Q202 ENC/DEC SELECT +B3 RS-DV280(EG) BLOCK DIAGRAM NOTES: PLAYBACK SIGNAL LINE : RECORDING SIGNAL LINE () indicates pin No. Right channel. RadioFans.CN 收音机爱 好者资料库 12345678910111213 A B C D E F G H RS-DV280(EG) MAI

12、N, OPERATION, EARTH TERMINAL, MECHANISM(DECK1,2) P.C.B. Note: This printed circuit board diagram may be modified at any time with the development of new technology. N C302 6 5 41 2 3 L301 J C303 C306 C304 C140 C305 C309 C114 C135 C136 C141 C205 C139 C112 C137 C113 C129 C111 C150 C213 C221 C301 C214

13、C222 C204 C206 C130 C124 C123 J J J J J J J E C B Q304 E C B Q303 L302 R307 J J J J J J J J J J J J J J J J J J R118 R119 J JJ 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 JJ J J J J J C110 C109 S GD Q101 S GD Q104 S GD Q103 E C B Q804 E C B Q808 S GD Q102 J J J J J J J J J J J J R313 R14

14、3 R820 VR102VR103 VR104VR101 1 2 3 4 5 6 7 8 9 CP902 1 2 3 4 5 CP102 C706 J J J VR803 VR801 JJ J J J J J J J J J J J J J J J J J J 1 2 3 X701 1 2 3 4 5 6 7 8 9 CP901 1 2 3 4 5 6 7 8 CN901 J J J D707 BCE Q807R818 L701 C702 C223 C217 C226 C218 C225 C220 C119 C120 C605 C603 C203 C219 L202 L201 J R220 R

15、237 1 2 3 4 5 CP101 C602 Q803 E C B Q604 E C B Q602 E C B R630 R602 R609 R632 D606 R603 D651 D652 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CN601 158 10 16 IC201 IC701 9 15 1510 15 2021 22 25303540 42 15 7 81014 IC102 IC101 IC103 1 5 10 12 13 15 20 2425 30 35 36 37 40 45 48 14 58 R309 R308

16、R310 R303R110 R306 R305 R304 R120 R148R149 R140 R139 R125 R127 R122 R121 R113 R117 R111 R105 R106 R144 R215 R213 R152 R813 R216 R214 R141 R142 R114 R133 R811 R812 R824 R136 R137 R721 R735 R703 R701 R722 R737 R736 R723 R724 R710 R747 R712 R745 R738 R728 R741 R727 R708 R744 R802 R806 R823 R814 R223 R1

17、53 R217 R154 R157 R604 R234 R606 R233 R158 R222 R224 R219 R212 R218 R211 R230 R221 R705 R704 R729 R743R711 R702 R810R808 R803R805 R718 R134 R138 R732 R130 R151 R730 R147 R135 R112 R102 R132R302 R107 R108 R131 R101 R150 R726 R725 R311 R109 R301 R103 R104 D301 C307 C323 C308 C132 C134 C126 C138 C142 C

18、117 C102 C104 C118 C103 C101 C131 C143 C115 C116 C144 C125 C133 C311 C310 C EB Q107 C EB Q810 C EB Q105 C EBQ106 C EB Q301 C EB Q306 C EB Q305 C EB Q302 RJ507 D102D705 D706 D709 D708 D701 D101 1 2 3 4 CP305 1 2 3 4 CP306 C EB Q806 C EB Q202 C EB Q201 C EB Q706 RJ508 RJ509 C705 C707 C EB Q702 C EB Q7

19、03 C EB Q701 C EB Q805 C EB Q809 L702 D710 RJ504 R231 R210 R209 C240 C239 C211 C604 C212C208 C207C241 MAIN P.C.B. A (REP2827E-M) W601 J TP302 TP301 C701 TP604 +10V A.GND DOLBY L ch DOLBY R ch R ch OUT L ch IN R ch IN L ch OUT (D.GND) TP609 CT.GND To DVD CHANGER, CD CHANGER, CD PLAYER & SOUND PROCESS

20、OR C215 IC202 1 5 7 810 14 C216 R126 R225 R207 R208 R226 C EB Q108 R232 1 2 3 4 5 6 7 8 FW901 J J J J J J R901 R902 R903 R904 R906 R900 R909 R915 R914 R916 R908 R924 R925 R917 R911 R905 R910 C EB Q903 C EB Q904 D904 C EB Q901 C EB Q902 OPERATION P.C.B. E (REP2827E-M) S913 (COUNTER DISPLAY) S912 (DEC

21、K1/2) S914 (COUNTER RESET) S909 ( ) S905 (DOLBY NR) S911 (REV MODE) S903 (TAPE EDIT) S904 ( REC PAUSE) S901 ( OPEN) S907 ( ) D907 ( ) S906 ( ) S910 ( ) S900 ( ) D905 ( ) S915 ( OPEN) E1 W601 EARTH TERMINAL P.C.B. D (REP2827E-M) J R952 J D951 R953 1 23 4 IC951 1 CS951 2 3 4 5 6 7 8 9 S953S952 S951 SO

22、LENOID J J 7 6 5 4 3 2 1 Z971 4 1 3 2 IC971 D971 S974 S973 SOLENOID S972 S976 S971 1 2 3 4 5 6 7 8 9 CS971 R972 J S975 R973 MECHANISM P.C.B. (DECK1)BMECHANISM P.C.B. (DECK2)C 1 4 2 3 14 23 4 3 2 1 0N2180RLC IC971 0N2180RLC 1 14 23 14 23 14 23 1 4 2 3 14 23 4 3 2 1 0N2180RLC IC951 0N2180RLC 1 14 23 1

23、4 23 14 23 (REPX0108A)(REPX0108B) Note for IC951 replacement Two different types (old or new) parts are mounted on P.C.B. as for IC951. When servicing, care to replace the parts due to those shape. Replacement procedures Old New Mount the parts on given position. (Printed pattern on P.C.B.) For IC95

24、1: Mount the parts so the cut corner is located upper right. Refer to the figure below. 0N2180RLC 0N2180RLC1 Parts No. DirectionRemarks Note for IC971 replacement Two different types (old or new) parts are mounted on P.C.B. as for IC971. When servicing, care to replace the parts due to those shape.

25、Replacement procedures Old New Mount the parts on given position. (Printed pattern on P.C.B.) For IC971: Mount the parts so the cut corner is located upper right. Refer to the figure below. 0N2180RLC 0N2180RLC1 Parts No. DirectionRemarks (Component side)(Component side) Old OldOld OldNew NewNew New

26、RadioFans.CN 收音机爱 好者资料库 A B C D E F G H 123456789101112 3 6 4 MAIN CIRCUITA B A C B A CP101 1 2 3 4 5 CP102 1 2 3 4 5 IC103 BA7755AF R/P SELECT 124 678 3 5 Q301 2SD1819ARTX BIAS OSC CONT. Q306 DTC144EUT106 BIAS OSC CONT. Q305 DTC144EUT106 BIAS OSC CONT. Q302 2SD1328STXRA SWITCHING (REC:ON) Q303,304

27、2SD1450RSTA BIAS OSC Q303 Q304 Q102 2SJ164RTA HEAD SELECT (REC:ON) Q106 Q103,104 2SJ164QTA HEAD SELECT (PLAY:ON) Q104 Q103 Q105,106 2SD1819ARTX MUTING Q105 Q101 2SJ164RTA HEAD SELECT (REC:ON) S G D S G D D G S D G S L301 IC101 CXA1998BQT6 R/P EQ AMP 1 25 Lch Rch PLAYBACK HEAD DECK1 Lch ERASE HEAD DE

28、CK2 Rch R/P HEAD R106 330K C102 680P C101 680P R105 330K C143 470P C115 470P R101 5.6K R103 100K C150 10V100 C123 25V4.7 R119 22 R118 22 C130 16V100 C119 50V1 C140 16V10 C131 470P C129 10V22 R117 1K C117 330P R111 82 R113 12K C111 6.3V47 R109 1K C109 0.018 R141 100 R142 100 R144 100 C144 470P C104 6

29、80P C110 0.018 C112 6.3V47 R112 82 R114 27K R110 1K C114 50V2.2 C113 50V2.2 R102 5.6K R104 100K C116 470P C125 3300P C126 3300P C118 330P R154 2.7K C120 50V1 R13333K R1304.7M C1396.3V47 R132 27K C301 16V470 C303 6800P C302 100V2.2 N R313 1 TP302TP301 R302 1.8K R301 10K D301 MA111TX C305 50V0.1 C304

30、16V100 R303 2.2K R304 15K R305 18K R306 33K R138 4.7K R137 2.2K C309 6.3V47 R308 1K C311 0.01 C310 0.01 C308 3300P R307 2.2 C323 1000P C307 1000P R309 4.7K R310 4.7K R311 4.7K L302 100H R134 3.9K R135 6.8K D102 MA111TX D101 MA111TX R15822K R127 4.7K R125 100K C138 0.047 C137 50V0.1 C13550V1 C13650V1

31、 R120 100K C132 470P R153 2.7K R157 22K C103 680P R143 100 R107 10K R131 330K R108 10K LATCHES SHIFT REGISTERS PBEQ CTL AGC AMSRECEQ 20K20K 10K MUTE 40K AGC GAIN 210K 210K 210K 210K IREF 40K AGC GAIN 10K RECEQ RFS 123456789101112 13 23 2437 38 39 40 41 42 43 44 45 46 47 48 20K20K 2526272829303132333

32、43536 REQEQ CTL 22 21 20 19 18 17 16 15 14 C306 0.039 R136 2.2K C124 25V4.7 DOLBY Rch F D E CNRMO B A IC201 CXA1552M-T4 DOLBY B NR 123458 912131415 ATT2 ATT2 ATT3 ATT3 ATT1 ATT1 SCDET SCDET 67 101116 ON/OFF R/P B A J I A B A B IC102 MC14066BFEL DECK 1/2 SELECT 1234567 891011121314 Q107 DTA143EUT106

33、R/P SELECT Q202 DTA143EUT106 ENC/DEC SELECT Q201 DTA143EUT106 DOLBY ON/OFF R209 1K R725 2.2K R730 2.2K R726 2.2K C134 470P C133 470P C142 0.1 C203 25V4.7 R211 10K C207 270P L201 R218 2.2K R217 2.2K C211 1500P C220 10V470 C219 16V100 C241 0.01 R237 22 R220 22 C239 680P C205 50V1 R221 100 R230 1K R223

34、 10K C223 25V4.7 C221 50V0.68 R213 3K R215 12K C213 25V4.7 C225 25V4.7 C217 50V0.1 R222 100 R219 18K C206 50V1 C240 680P C212 1500P R212 10K R210 1K C204 25V4.7 C208 270P L202 C214 25V4.7 R216 12K C226 25V4.7 R224 10K R231 1K R151 100K R140 47K R152 100K R139 47K C141 50V1 R148 5.6K VR102 20K(B) R15

35、0 5.6K VR104 20K(B) R214 3K C222 50V0.68 R149 5.6K VR103 20K(B) R147 5.6K VR101 20K(B) C218 50V0.1 DOLBY Lch C R122 10K R121 10K RS-DV280(EG) MAIN CIRCUIT DIAGRAM 9.6V :POSITIVE VOLTAGE LINE: PLAYBACK SIGNAL LINE: RECORDING SIGNAL LINE 9.6V 0V0V (0.2V) 9V 0V0V 0V0V (8.9V) 0V (0.7V) 0V 0V 0V 0V (0.7V

36、) 0V (8.9V) (0.2V) 9V 0V0V 6V 9.6V0V 0V (9.5V) 0V (0.7V) 0V 0V (0.6V) 0V 0V (0.6V) 0V (0.7V) 0V (0.8V) 0V (0.6V) 0V 9.5V 9.5V (0.6V) 0V 0V (0.1V) (0.1V) 0V ERASE CURRENT CHECK POINT 5V0V4.5V4.5V4.5V4.5V4.5V8.6V5V0V (1.6V) 0V (0.2V) 5V 5V (9.6V) 0.1V (0.1V) 9.6V (0.2V) 9.6V (0.2V) 5V (5V) 0.2V 4.5V9V

37、9V4.5V4.5V4.5V4.5V0V5V0V 1.2V 2.6V 2.6V 1.3V 0V 0V 0V 0V 1.3V 2.6V 2.6V 1.2V 5V 5V 9.6V 9.6V (0.2V) 9.6V 0V (9.5V) 4.8V9.6V4.7V4.7V4.6V4.7V0.4V4.8V 4.8V4.7V1.2V4.7V0.4V4.8V4.6V (0V) 0V 5V 5V5V (0V) 5V (5V) 0V PLAYBACK GAIN ADJ. (DECK1/Lch) PLAYBACK GAIN ADJ. (DECK2/Lch) PLAYBACK GAIN ADJ. (DECK1/Rch

38、) PLAYBACK GAIN ADJ. (DECK2/Rch) 9.6V9.6V (0.1V) 0V0V0V0V9.6V (0.1V) 0V0V0V0V (9.6V) 0.1V (9.6V) 0.1V DOLBY ON : 0V 131415161718192021222324 MAIN CIRCUITA MECHANISM CIRCUIT (DECK1)B MECHANISM CIRCUIT (DECK2)C CP901 CS951 CP902CS971 Q806 DTA143EUT106 MOTOR DRIVE CONT. Q804 2SD592ARSTA MOTOR DRIVE CP3

39、05 1 2 3 4 Z971 1234567 4.7K 50K 25K 4.7K 4.7K 4.7K 50K 50K 50K 50K 25K25K A B D C IC971 0N2180RLC1 PHOTO INTERRUPTER CA B Q803 2SD592ARSTA MOTOR DRIVE Q805 DTA143EUT106 MOTOR DRIVE CONT. CP306 1 2 3 4 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 Q807 2SB621ARSTA SOLENOID DRIVE Q809 DTC143EUT106 SOLENOID DRI

40、VE Q810 DTC143EUT106 SOLENOID DRIVE Q808 2SB621ARSTA SOLENOID DRIVE D LEK CAPSTAN MOTOR (DECK1) A B M CAPSTAN MOTOR (DECK2) A B M 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 R806 10K R802 560 R823 560 R824 560 R812 560 R811 10K R814 470 R818 2.2 R805 3.9K R803 10K R810 10K R808 3.9K VR803 5K(B) VR801 5K(B)

41、R820 2.2 R813 470 B A C R952 820 D951 MA165TA SOLENOID S951 (MODE) S953 (CrO2) S952 (HALF) S973 (CrO2) S976 (METAL) S972 (HALF) S971 (MODE) S974 (R.REC.INH.) S975 (F.REC.INH.) R972 820 D971 MA165TA SOLENOID D IC951 0N2180RLC1 PHOTO INTERRUPTER R953 39K 12 34 A G H B Q S P F R973 39K 12 34 TP609 CN60

42、1 CN901 IC701 M38503M2406F SYSTEM CONTROL E C A B D J I H G F PQR JEDG ACE E D A C B I H F Q701 Q703 Q702 2SD1819ARTX INTERFACE 13 2 X701 (8MHz) C B A FIOJKL M NG H Q604 2SC3940AQSTA REGULATORR603 10 TP604 +10V (D.GND) R602 0.33 R630 0.33 Q602 2SD2144STA POWER SUPPLY 1 2 3 4 5 6 7 8 9 10 11 12 13 14

43、 15 16 20 17 18 19 SYNC CS +B (10V) D.GND SCLK DATA DECK REQ NC TAPE Lch IN A.GND TAPE Rch IN TAPE Lch OUT TAPE Rch OUT RS A.GND EARTH TERMINAL CIRCUIT D W601E1 1 2 3 4 5 6 7 8 Q701,703 2SD1819ARTX INTERFACE Q706 DTC114EUT106 RESET SIGNAL GENERATOR C707 0.01 D706 MA111TX D710 MA111TX BD R745 100 R71

44、01K R7241K R7231K D707 MA4051MTA L702 R738 1K R747 1K R704 4.7K R744 1K R727 4.7K R708 4.7K R729 4.7K R741 22K D708 MA111TX R743 47K R705 47K D709 MA111TX R728 10K R722 100 R703 5.6K R732100K R7214.7K R7354.7K R632 47K R609 100 D651 MA165TA D652 MA165TA R604 330 C602 16V220 C605 16V220 C603 16V47 D6

45、06 MA4056MTA C604 0.01 R606 1.5K R71268K R71868K R70110K R70210K C705 0.01 C701 0.01 R711 100K C702 6.3V100 C706 50V3.3 D705 MA111TX R73710K R73610K D701 MA111TX NC NC NC NC NC NC To SOUND PRCESSOR (SH-DV280, SH-EH780,680,580), CD CHANGER (SL-EH780), CD PLAYER (SL-EH680)& DVD CHANGER (SL-DV280) CT.G

46、ND Rch OUT Lch OUT Rch IN Lch IN A.GND 123456789 10 11 12 13 14 15 16 17 18 19 20 21 313233343536373839404142222324252627282930 KEY1VCC VREF AVSS LMT PL1 M1 HALT REQ CS CLK VSS VSS XOUT XIN RESET REV LED FWD LED CRO2 2 METAL 2 DATA IN DATA OUT CRO2 1 MODE HALF1 TPS A LATCH PL2 M2 ENC/DEC DOLBY ON/OF

47、F E CS NC KEY2 NC NC A CLK A DATA LED CNT AD SW PHOTO1 T PHOTO2 T F E D A B C R232 10K F G S L701 10H RS-DV280(EG) MAIN,MECHANISM(DECK1,2), EARTH TERMINAL CIRCUIT DIAGRAM :POSITIVE VOLTAGE LINE 5V 10.3V 5V 10.3V 5V 10.3V 5V 5V 10.3V 0V 10.3V 0V 0V 10.2V 0V 10.2V 0V 10.3V 0V 10.3V 0V 0V 9.8V 5V 0V 5V

48、 TAPE SPEED ADJ.(DECK1) 0V 5V 5V 0V0V 0.8V TAPE SPEED ADJ.(DECK2) : PLAYBACK SIGNAL LINE: RECORDING SIGNAL LINE 5V 1.9V 0.1V 0V 1.8V 0V 0V 0.6V 0.2V 0V 5V 0V 0V 9.4V5V 5.7V 10.3V9.6V 10.3V 10.3V 5V 9.6V 5V 0V 5V 2.9V 5V 5V 5V 5V 5V 2.7V 0V 0V 0V 0V 0V (5V) 0V 0V 5V STOP : 0V 5V 5V 0V 5V 1.4V 2.2V 2.

49、5V 0V 0V 0V 0V 0V 0.5V 1.6V 1V 5V 5V 2V 2.3V 1.2V P-P F=8MHz 2.4V P-P F=8MHz 4.8V 0V T16ms. 3.6V 0V T16ms. 3V 0V T16ms. 0V 4.8V T16ms. 5ms. 2V/DIV. 0V 4.8V 0V(5V) A B C D E F G H 252627282930313233343536 FW901 OPERATION CIRCUITE 1 2 3 4 5 6 7 8 D907 SML79455C () Q901 DTA143EUT106 LED DRIVE D905 SML79455C () Q902 DTC143EUT106 LED DRIVE S907 () S906 () S905 (DOLBY NR) S904 (REC PAUSE) S903 (TAPE EDIT) S901 (OPEN) S900 () S915 (OPEN) S909 () S910 () S912 (DECK 1/2) S911 (REV MODE) S914 (COUNTER RESET) S913 (COUNTER DISPLAY) R911 2.2