GrundigRRCD1310 维修电路图、原理图.pdf

RRCD 1310 Service Document Exchange Set Es gelten die Vorschriften und Sicherheitshinweise gem dem Service Manual Sicherheit, Material- nummer 720108000001, sowie zustzlich die even- tuell abweichenden, landesspezifischen Vorschrif- ten! The regulations and safety instructions shall be valid as provided by the Safety Service Manual, part number 720108000001, as well as the respective national deviations. S Dieses Service Dokument ist nur in Datenform verfgbar This Service Document is only available as data nderungen vorbehalten/Subject to alteration Made by GRUNDIG in Germany H-S43 0405 S Service Manual Sicherheit Safety Materialnr./Part No. 720108000001 ? RRCD 1310? TUNER IC 501 FUNCTION SELECTOR SW 201 TAPE R/P IC 401 AUDIO CONTROL VR351 MUTING CIRCUIT Q204 Q205 POWER AMPLIFIER IC201 CD MECHANISM DA11 B3V MCUIC101 CD SERVO SYSTEM IC701 IC702 IC703 5.0V REG Q213Q215 CD DISPLAY MAIN SUPPLY Q201Q203 AC IN BATT. 1.5V X 6 DC 7.0V R-CH SP FM ANTENNA R/P HEAD E. HEAD POWER SWITCH AND SHORT CIRCUIT PROTECTION Q208 Q209Q210 L-CH SP BATTERY BACKUP RRCD 1310? RRCD 1310? 15-Mar-2005 RA CD TA RA TA CD RA TA CD L-CH GND R-CH R-CH GND L-CH R-REC GND L-REC TO TAPE PCB CD 6V5 R CH L CH L-CH GND R-CH L-CH GND R-CH R-CH GND L-CHL-CH GND R-CHL-CH 115 R-CH UNIT :RESISTOR IN OHM CAPACITOR IN F INDUCTOR IN H UNLESS OTHER SPECI FY L-CH R-CH GND +9V GND + C201 1u C202 20n Q203 9014C ACDC 4 5 6 SW351B 2P2TD 1 2 3 SW351A 2P2TD 3 2 1 4 VR351A 50KB R205 56K 1% R203 220K D210 1N4148 15 14 13 16 SW201D SS43D03 + C235 u47 11 10 9 12 SW201C SS43D03 3 2 1 4 SW201A SS43D03 Q206 9014C R235 2K2 R207 82K R206 5K6 1% 7 6 5 8 VR351B 50KB + C236 u47 R290 680K Q207 9014C + C237 u47 R231 680K 1 2 3 CN211 3PINS R356 4K7 R353 4K7 C354 100n C352 100n 1 2 3 SO352 3PINS 1 2 3 SO351 3PINS R256 10K R257 10K + C203 100u D301 1N4001 D302 1N4001 D303 1N4001 D304 1N4001 + C306 1000u 16V R201 39K 1 2 3 CN201 3PINS C242 1n8(M) C241 1n8(M) R230 56K + C234 u47 C244 68P( NPO) C245 68P( NPO) R229 2K2 R355 10K R352 10K C351 40n(Y5P) R351 560 R354 560 C353 40n(Y5P) R236 27K R232 27K T H E R M A L F U S E C Q202 9014C Q201 2SB772Q 7 6 5 8 SW201B 4P3TDR202 33K R204 1K C211 100n R228 1K5 + C210 2200u 16V 1 2 3 CN301 3PINS 3 2 11 108 7 9 5 6 1 12 4 GND IC201 DV3287B 5 1 3 4 2 JK201A STJ 5P/2P2T 1 2 3 CN205 3PINS + C223 100u C301 20n C302 20n C303 20n C304 20n R233 56K + C233 220u R239 390K R225 10K Q204 9014C R221 10K R222 10K 1 2 3 CN209 3PINS + C232 10u R226 10K Q205 9014C + C231 1u + C230 1u D203 1N4148 Q208 9014C R240 15K + C249 220u 16V Q209 8550C Q210 9014C R241 47K R242 47K + C214 100u + C212 1000u R218 1.5 + C217 100u + C215 1000u C216 100n( M) R217 1.5 R220 220 R219 220 + C222 100u + C224 100u R262 150 R264 150 R263 150 R261 150 C213 100n( M) + C246 220u AC SOCKET + C225 1u +C228 1u C356 1n C355 1n L261 3T5 GND TO CD S ECTION 1 2 3 4 5 6 7 8 CN202 8PINS SYNC REC 6V5 A GND 1 P301 AC1 1 P302 AC2 TRANSFOR MER 1 P305 GND 1 P304 DC IN L262 3T5 L263 3T5 1 2 3 4 CN262 4PINS 5.7ohm5.7 ohm TAPE SW ITCH VOLUME PCB 6V8 REG. POWER PCB PHONE SECTI ON POWER SUPPLY SECTI ON DECK MECH. V-OUT V-IN GND C305 20n PRC2000P -103-00 1310-135-00 C209 10u 1 2 3 4 CN207 4PINS RA-R GND RA-L RA 6V5 PRC2000P-102-00 1 2 CN206 2PINS TO RADIO P CB TO CD S ERVO RECTIFIER PCB D202 1N4148 Q214 9014C R271 1K +C250 100u D212 1N4148 1 2 3 4 5 6 7 8 CN203 8PINS SYN REC 5V6 AC SEN AMUTE F1 F2 GND POWER BOARD R272 10K R273 10K D213 1N4148 BT2 BATT 3V D206 1N4148 BL.V+ R275 47KR274 47K TO MCU PC B D209 1N4148 D211 1N4148 Q216 9014C Q218 9014C Q217 9015C R278 10K R281 10K R280 10K R279 100K R276 10K R277 1K Q215 9014C R282 33K R285 7K5 1% R286 100K R284 68K 1% R283 220K Q213 8550C C251 20n 6V5 REG. R287 82 D204 1N4148 R288220 1 2 3 CN205A 3PINS 1 2 3 4 CN262A 4PINS SPK 1 SPEA KER SPK 2 SPEA KER Q220 9015C R260 4K7 R291 10K R289 75K Q219 9014C 1 P306 3V+ BT1 BATT 9V D201 1N4148 1 2 3 CN208 3PINS L-CH R-CH R255 10K A - + M1 MOTOR SW1 LEAF SW L1 5T L1 5T +3V L2 3T L2 3T L2 3T C252 2n C253 2n TP201 TP202 TP203 D217 1N4148 D218 1N4148 R258 10K R259 10K RRCD 1310? 15-Mar-2005 FIN2 1 FIN1 2 E 3 F 4 TB 5 TE- 6 TE 7 TESI 8 SCI 9 TH 10 TA 11 TD- 12 TD 13 JP 14 TO 15 FD 16 FD- 17 FA 18 FA- 19 FE 20 FE- 21 AGND 22 NC 23 SP 24 SPG 25 SP- 26 SPD 27 SLED 28 SLD 29 SL- 30 SL+ 31 JP- 32 JP+ 33 TGL 34 TOFF 35 TES 36 HFL 37 RW 38 CV- 39 CV+ 40 RFSM 41 RFS- 42 SLC 43 SLI 44 DGND 45 FCS 46 TBC 47 NC 48 DEF 49 CLK 50 CL 51 DAT 52 CE 53 DRF 54 FSS 55 VCC2 56 REFI 57 VR 58 LF2 59 PH1 60 BH1 61 LDO 62 LDS 63 VCC1 64 U701 LA9242M CD 17 VIN3 18 VG3 19 OUT3+ 20 OUT3- 21 GND 22 GND 23 GND 24 OUT4- 25 OUT4+ 26 VG4 27 VIN4 28 VREF 29 VCC 30 RES 16 VCC 1 MUTE 2 VIN1 3 VG1 4 OUT1+ 5 OUT1- 6 GND 7 GND 8 GND 9 OUT2- 10 OUT2+ 11 VG2 12 VIN2 13 REGOUT 14 REGIN 15 U702LA6541D R702 6K8 R701 150K R703 2K2 C704 33n(M) C705 330P C707100n( M) C7083n3 R709 100K C709 100n( M) R708 15K R710 2K2 Q7012SA608NF C733 1n C734 47u R737 10 C732 100n( M) C73147n(M) C730 10n(M) C726 10u C728100u C72710n 5V R739 4K7 C725 33n(M) R731 15K R732 18K C724 15P R734 1K C723 2n2(M) R733 330 R735 10K R727 22K Q703 2SB764 C766 470u C767 470u 21 34 L701 Com Mode C711 2u2 R711 R712 68K C713 100n( M) C7421n5 R722 3K3 R713 15K R716 33K R718 12K C71433n(M) C715 18n(M)R717 1K5 C716 3n3 R721 56K C717 100P C718 0.33u R724 1K R723 56K R72510K C7194u7 C72022u R7266K8 R728 22K C721 3n3 C722 100n( M) R730330 C741 100nR736 10K R740 10K R751 150K R752 150K C760 3u3 R756 2K2 R759 10K R757 10K C761 1n C763 1n R758 2K2 C762 3u3 R714 10K C738 10u R738 100 C701100n( M) C70647n(M) R706330 R707 27K R742 100K + C743 3u3 C756 100P DEFI 1 4.2M 2 PDO 3 VVSS 4 ISET 5 VVDD 6 FR 7 VSS 8 EFMO 9 EFMIN 10 TMOD 11 CLV+ 12 CLV- 13 HFL 14 TES 15 TOFF 16 TGL 17 JP+ 18 JP- 19 RWC 20 COIN 21 VDD3V 22 CQCK 23 PCK 24 HOLD OUT 25 SLED+ 26 SLED- 27 PUIN 28 DOUT 29 NC 30 NC 31 NC 32 NC 33 NC 34 NC 35 NC 36 NC 37 NC 38 VSS 39 NC 40 IF_MSB 41 IFCLK 42 IFIN 43 IFOUT 44 NC 45 NC 46 FSEQ 47 DMUTE 48 5V 49 C2F 50 AMUTE 51 IFREQ 52 RW 53 LCHO 54 L/RVDD 55 L/RVSS 56 RCHO 57 NC 58 HOLD IN 59 XOUT 60 XIN 61 XVDD 62 RES 63 DRF 64 U703 LC78603E-8626 C746 470u C759 33P L700 10uH C765 100n R749 1K C747 100P R741220 R72033K C751 100u C753 100n C749 100u C748 10n T+ 15 T- 14 F+ 13 MD 12 VR 11 LD 10 GND 9 F 8 C 7 B 6 A 5 D 4 E 3 COM 2 VREF 1 F- 16 CN701 SANYO CDM 16 R743100K R744100K R745100K R746100K R747180K R748180K R761 OPEN C739 100u C740 100n J703 MSB R704 OPEN R705 WIRE C702 OPEN C703 WIRE C729100u CD SERVO BOARD R715 OPEN C757 OPEN C768 100n C769 100u C771 100u 5V C770 100n R760 390 3V3 SP + SP - SM+ SM- PUIN_SW GND R755 10K J702 PCK R729 OPEN C712 OPEN 6V55V C710 1000uF 8V 5V X701 16.9344MH z C758 33P CD-RES IFREQ C737 10n C735 220u C736 100n R754 100K J705 HOLD 5V J701 C2F C744 100u C745 22n C750 22n C755 22n C75210n 5V NO CHECK: J702-SH ORT CHECK: J702-O PEN, PULL-UP 10K OHM *PCK NO CHECK: J701-SH ORT CHECK: J701-O PEN, PULL-UP 10K OHM *C2F C764 100n VAREF LSB First : J703 - OPEN MSB First : J703 - SHORT *IF_MSB R7193M3 AMUTE J704 LSB 5V J704 - SHORT J704 - OPEN R753 1K 5V IFIN IFOUT IFCLK D701 IN4148 TO DIPLAY BOARD 1 2 3 CN703 5PINS R767 75K R-CH SIG GND L-CH PW.GND 6V5 DOOR 1 2 CN705A 2PINS Door Switch TO POW ER BOARD 1 2 CN706 2PINS CD-RES IFREQ GND R768 1K2 R770 470 Q704 9014C R771 82K R769 18K C772 100n CN104 CN208 1 2 CN705B 2PINS SW1 LEAF SW 1 2 3 4 5 6 CN702 6PINS TO CD MOTOR TO POW ER BOARD CN206 R766 75K C774 220n L33T L33T L33T 1 2 3 4 5 6 7 C559 7PINS RRCD 1310? 15-Mar-2005 C101 30P C102 30P R109100 R110100 R111100 R112100 R113100 R11710K R11610K C110100P C109100P C108100P C111100P C112100P X101 4.5M C10710n C106220u C105 470u D101 1N4148 R103 10K XOUT 1 TEST2 2 F2 (I,-) 3 F1 (I,-) 4 SD (I,-) 5 ST (I,-) 6 MONO (O,Nch) 7 BAND-1 (O,Nch) 8 BAND-2 (O,Nch) 9 CD_RES (O,Nch) 10 IF_REQ (O,CM) 11 IFIN (O,CM) 12 IFCLK (O,CM) 13 IFOUT (I,-) 14 LID_SW (I,-) 15 PD2 16 PD1/INT1 17 INT0 18 PE1 ( O,Nch) 19 PE0 ( O,Nch) 20 ADI3 / PF3 21 HOLD 22 AD13 / P F1 23 ADI0 / PF0 24 VSS 25 CD_PWR (O,CM) 26 TUN_PWR (O,CM) 27 TAP_PWR (O,CM) 28 AMUTE (O,CM) 29 SYN_REC (I,-) 30 S18 / PG1 31 S17 / PG0 32 S16/PH 3D1 33 S15/PH 2 34 S14/PH 1 35 S13/PH 0 36 S12 37 S11 38 S10 39 S9 40 S8 41 S7 42 S6 43 S5 44 S4 45 S3 46 S2 47 S1 48 COM4 49 COM3 50 COM2 51 COM1 52 BRES 53 HCTR 54 VDD 55 FMIN 56 AMIN 57 VSS 58 EO 59 EV_CL (O,Nch) 60 EV_DI (O,Nch) 61 EV_CE (O,Nch) 62 PL0 63 XIN 64 IC101 LC723341 R11510K R11410K K601 REPEAT / ST/MO K602 PLAY/PAUSE/ MUP K603 STOP/ MDN K604 FF K605 REW K606 BAND K607 MEM/PROG R601 510 R602 620 R603 820 R604 1K2 R605 1K5 R606 2K2 R104 4K7 V1 V2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 LCD101 ISO6550P R1052K R106 4K7 TUNER Option C117 100p C116100P C115100p V1 IFCLK IFOUT IFIN IF_REQ CD_RES GND GND FMOSC VT GND AMOSC ST IF AMUTE MONO BAND_1 BAND_2 AMUTE SYN_REC IFOUT IFCLK IFIN IF_REQ CD_RES BAND_2 BAND_1 MONO ST F1 F2 GND F2 F1 AMUTE +5.6V SYN_REC S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 COM1 COM2 COM3 COM4 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 COM1 COM2 COM3 COM4 R102 22 C122 100n R101 3K3 C114 1n C113 1n AC SENSE TV1 , TV2 , TV3 FM76 - 90 MHz100 KHz -10.7 MHz JAPAN AM531 - 1620 KHz9 KHz+450 KHz FM87.5 - 108 MHz100 KHz +10.7 MHz SS0 LW150 - 285 KHz1 KHz+450 KHz AM522 - 1620 KHz9 KHz+450 KHz EU1 FM87.5 - 108 MKHz50 KHz +10.7 MHz AM522 - 1620 KHz9 KHz+450 KHz EU0 FM87.5 - 108 MHz50 KHz +10.7 MHz AM520 - 1710 KHz10 KHz +450 KHz US1 FM87.5 - 108 MHz100 KHz +10.7 MHz AM520 - 1710 KHz10 KHz +450 KHz US0 FM87.5 - 107.9 MHz 200 KHz +10.7 MHz BANDFREQUENCY ( KHz ) AREAIF RANGE STEP JAPAN0000 0000SS0 EU10001 0100EU0 US10100 0001US0 R721R720R719CONNECTED DIODE AM522 - 1629 KHz9 KHz+450 KHz 01 01 00 00 00 00 R723R722 1 2 CN106 2PINS 1 2 CN601 2PINS V+ IR-IN GND CD DOOR L101 100uH B.L.V+ LED101 LED B.L.LED R107 4K7 R118 10K V2 R12110K R12010K R11910K IR RX BOARD R12247K R12347K V2 C118100P C119 100p C120 100p C121 100p C10410n R124 2K7 C103 2u2 Q102 9014C Q101 9014C R125 3K3 R108 2K2 RMC OUT 1 GND 2 VCC 3 IR001 IR SENSOR B.L. BOARD KEY BOARD DISPLAY BOARD D102 1N4148 1 2 CN103 2PINS TO RADIO BOARD C123 1n 1 2 3 4 5 6 7 8 CN105 8PINS 1 2 3 4 5 6 7 CN102 7PINS 1 2 3 CN107 3PINS GND TO P OWER BOARD CN203 TO CD SERVO BOARD CN704 CN503 TO RADIO BOARD CN504 TO RADIO BOARD CN501 1 2 3 CN101 3PINS 1 2 3 CN111 3PINS 05106208201K21K5+ FM/MW/LW 1K2 FM/MW C126 1n 5101K32K123K324K82 1 2 3 4 5 6 7 CN104 7PINS R126 100K RRCD 1310? 15-Mar-2005 L.CH OUT L-CH R-CH GND COMMON R.CH OUT 6V5 Q401 9014C 1 2 3 4 CN401 4PINS 16 17 18 SW401F PS-82D 06 19 20 21 SW401G PS-82D 06 7 8 9 SW401C PS-82D 06 3 2 1 4 6 7 L401 9170 10 11 12 SW401D PS-82D 06 22 23 24 SW401H PS-82D 06 D401 1N4148 13 14 15 SW401E PS-82D 06 C402 10n + C404 47u C405 10n D402 1N4148 4 5 6 SW401B PS-82D 06 + C401 470u C406 1n8(M) R450 3K9 R453 120K R454 1K R455 820K R456 100 R401 120 R405 1M + C403 47u R402 470R410 10K R411 47K + C410 1u R412 680K Q402 9014C R414 4K7 + C411 1u R413 470 R420 470 R421 10K R423 680K Q403 9014C R422 47K R424 4K7 + C420 1u R441 10K R431 10K Q404 9014C Q405 9014C R404 10K R403 10K R442 6K8 R432 6K8 C413 18n(M) C424 18n(M) + C41447u + C423 47u R444 82K R434 82K +C422 1u + C412 1u R445 10K R435 10K C425 1n5 C415 1n5 C416 2n7(M) C426 2n7(M) + C421 1u +C407 22u R415 180K R425 180K R436 10K R446 10K R452 150 R430 15K R440 15K 1 2 3 4 5 6 7 8 9 IC401 LS22241 C427 1n5 C417 1n5 R443 68 R433 68 R426 5K6 R416 5K6 SYNC L-OUT GND R-OUT REC-L REC-R GND REC. 6V5 REC GND 1 2 CN403 2PINS C409180P C408 180P C418 2n C419 2n TO R/P HEAD TO POWER PCB TAPE BOARD 1 2 3 4 5 6 7 8 CN402 8PINS 1 2 CN801 2PINS C801 680p SW801 1P2T BEAT CUT BOARD REC GND AC BIAS CN202 C429 50p C428 50p R437 47 R447 47 RRCD 1310? 15-Mar-2005 D505 SVC384 RADIO BOARD FM-ANT BAND2 BAND1 MONO AMUTE IF ST AMOSC GND VT MW OS C RA+ R.CH GND L.CH TO DISPLAY BOARD CN102 1 2 3 CN504 3PINS 1 2 3 4 5 6 7 CN503 7PINS 1 2 3 4 CN502 4PINS 1 2 CN501 2PINS R507 220 R506 100K R505 10 Q505 9018F R504 56 R501 10K R502 100K D501 1N4148 D502 1N4148 BPF501 BPF C502 1n TC501 10P D503 SVC201 C501 5P L501 4.5X3T5 C503 20n D504 SVC201 R503 100K C505 1n C504 20n C506 18p L502 5X2T5 C507 47n C509 3p 1 2 3 4 5 6 7 817 18 19 20 21 22 23 24 9 10 1114 15 16 1213 IC501LA1823 + C511 4u7 C508 100n C510 2n7 R520 1 CF501 CDA10.7MG1 + C512 u22 + C556 u22 R526 3K3 +C555 3u3 C536 4p R510 47K C522 20n TC502 10p L503 MW ANT 70:20T VCC2 FMRF FMO R L A/F S/M AMO AMR REG VCC1 IF ST AGC DO MPX DET ANT G2 FM G1 AM FIF AIF + C535 10u C528 10p C529 330p C529A 50p 3 1 6 4 L505 369SO C515 100pR508 1K2 C514 20n C517 6n8(M) C516 6n8(M) R521 220 R522 33K R523 33K R524 22K R525 22K C518 1n C519 1n + C520 1u + C521 1u R509 1K Q506 9014C R528 10K D509 1N4148 D510 1N4148 D507 1N4148 C537 5p Q507 9018F R514 220K R515 100 4 6 3 2 1 T501 321F CF504 45OK + C538 4u7 R519 47K D506 1N4148 R527 1K C539 1n Q508 9018F C542 O/C R518 10K R516 4K7 R517 330 C543 47p C544 470p Q509 9014C R529 10K D511 1N4148D512 1N4148 GND CF502 10.7MJA10 CF503 10.7MJA10 C557 100n C541 100n +C540 100u R511 100K 4 6 3 2 1 T502 7021A C552 15p D508 1N4148 R539 4K7 C550 20n + C551 47u Q513 9014C Q514 9014C C554 20P C549 20n + C548 10u L507 100uH R538 56K C553 22p R540 68K R542 39K R541 820K R543 33 TO DISPLAY BOARD CN103 CN207 TO POW ER BOARD TO DISPLAY BOARD CN107 AM IF D513 3V3 C558 20n C559 1n TP501 TP502 TP503 TP504 TP506 TP507 TP508 TP505 FM B1B2 0 LW 1 0 AM 0 0 1 RRCD 1310? RRCD 1310? RRCD 1310? RRCD 1310? RRCD 1310? R RRCD 1310? RRCD 1310? RRCD 1310? RRCD 1310? GRUNDIG ServiceE - 1 Ersatzteilliste Spare Parts List RRCD 1310 AUDIO MATERIAL-NR. / PART NO.: 757123455000 BESTELL-NR. / ORDER NO.: GDP5700 CHROME/WHITE ? 4 / 2005 POS. NR. ABB.MATERIAL-NR.ANZ.BEZEICHNUNGDESCRIPTION POS. NO. FIG.PART NUMBER QTY. d NUR FR INTERNEN GEBRAUCH FOR INTERNAL USE ONLY 757123455000RRCD 1310 CHROME/WHITERRCD 1310 CHROME/WHITE TAUSCHGERAETEXCHANGE SET 0001.000759551139200TUER CASSETTECASSETTE DOOR 0002.000759551139600LINSE TUER CASSETTECASSETTE DOOR LENS 0003.000759551139800EINSATZ CASSETTEEMPLOYMENT CASSETTE 0004.000759551128600FEDER TUER CASSETTESPRING CASSETTE DOOR 0015.000759551139700TASTENSATZ CASSETTETASTE SET CASSETTE 0025.000759551128500LAUFWERK CASS. CS-21V-1006-CCASS. MECHANISM CS-21V-1006-C 0035.000759551139900ABDECKUNG SPEICHERBATTERIEDOOR BATTERIE MEMORY 0036.000759551139400BATTERIEFACHABDECKUNGDOOR BATTERY 0061.000759551139500TRAGEGRIFFHANDLE 0063.000759551139300TUER CDCD DOOR 0064.000759550615400FEDER TUER CD 1,2MMSPRING TUER CD 1,2MM 0065.000759551128700TELESKOPANTENNETELESKOPANTENNE 0070.000S759550615100LAUFWERK CD DA11-T3CNCD MECHANISM DA11-T3CN 0150.000S759551126700NETZANSCHLUSSKABELAC POWER CORD 720114052000BEDIENUNGSANLEITUNGINSTRUCTION MANUAL D/GB/F/I/P/E/NL/PL/DK/S/FIND/GB/F/I/P/E/NL/PL/DK/S/FIN NDERUNGEN VORBEHALTEN / SUBJECT TO ALTERATION ( ! ) ! Es gelten die Vorschriften und Sicherheitshinweise gem dem Service Manual Sicherheit, Mat.-Num- mer 720108000001, sowie zustzlich die eventuell ab- weichenden, landesspezifischen Vorschriften! The regulations and safety instructions shall be valid as provided by the Safety S