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Grundig G.LI 0451, Service Manual, Page: 1 / 19

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Summary of Contents for G.LI 0451

Page 1: ...eration Printed in Germany VK232 0199 M 19 C M 29 C Materialnr Part No 72010 759 1500 Sicherheit Safety Materialnr Part No 72010 800 0000 Grundig Service Hotline Deutschland TV TV SAT VCR LiveCam HiFi Audio Car Audio Telekommunikation Fax Planatron 8 00 22 00Uhr 0180 52318 41 0180 52318 49 0180 52318 48 0180 52318 42 0180 52318 43 0180 52318 44 0180 52318 45 0180 52318 51 0180 52318 99 Mo Fr 8 00 ...

Page 2: ... MW DC voltmeter to Frontend Pin 5 VT LW DC voltmeter to Frontend Pin 5 VT MW Sweep generator 450kHz to aerial inputs Uout as low as possible m 30 fmod 1kHz AF voltmeter or oscilloscope to Loudspeaker output MW Signal generator to aerial inputs Uout as low as possible m 30 fmod 1kHz AF voltmeter or oscilloscope to Loudspeaker output LW Signal generator to aerial inputs Uout as low as possible m 30...

Page 3: ...ds is possible through small cutouts on the front panel If there is no suitable screwdriver available access to the audio head screws can be gained better by removing the cassette compartment covers see point 5 of the disassembly instructions Play back the 10kHz sound section on the Cr test cassette 448A AF voltmeter to Loudspeaker outputs Deck A and B Load Cr test cassette 448A and play back the ...

Page 4: ...dungen und Schaltpläne Layout of PCBs and Circuit Diagrams M 19 C M 29 C M 19 C M 29 C TO S203 AMPLIFIER BOARD PAGE 3 24 26 H101 TO H305 MAIN BOARD PAGE 3 14 16 S102 TO H501 CONTROL BOARD PAGE 3 10 12 S101 WHITE WHITE BLACK RED RED YELLOW YELLOW BLACK Schaltplan Netzteilplatte Circuit Diagram Mains Unit Board 3 4 3 5 ...

Page 5: ... S13 S14 S15 S16 G7 S1 S2 S3 S4 S5 PRESET S7 S8 S9 S10 S11 S12 S13 S14 S15 G8 S1 S2 S3 S4 S5 STEREO S7 S8 S9 S10 S11 S12 S13 S14 S15 TUNED G9 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 Hz G16 14 13 12 11 10 9 15 15 1 2 3 4 5 6 7 8 G10 SLEEP DISCO TUNER UBS S5 ROCK PROG JAZZ RPT CLASSIC S12 ALL RANDOM PRO LOGIC G11 S1 S2 S3 S4 S7 S8 S9 S10 S11 S12 S13 S14 Hz S16 G12 G15 S1 S2 S3 S4 S7 S8 S9...

Page 6: ... 86 0V PIN 19 4 79V PIN 53 12V PIN 87 0V PIN 20 4 79V PIN 54 13V PIN 88 0V PIN 21 4 79V PIN 55 12V PIN 89 0V PIN 22 0V PIN 56 5V PIN 90 0V PIN 23 4 73V PIN 57 16V PIN 91 4 73V PIN 24 4 74V PIN 58 16V PIN 92 4 78V PIN 25 4 78V PIN 59 14V PIN 93 0V PIN 26 4 6V PIN 60 12V PIN 94 0V PIN 27 0 22V PIN 61 12V PIN 95 0V PIN 28 0 22V PIN 62 13 05V PIN 96 0V PIN 29 4 79V PIN 63 8 05V PIN 97 0V PIN 30 12 9V ...

Page 7: ...D1 S27 PD3 S26 PD2 S28 PD4 S29 PD5 S30 PD6 S31 PD7 S32 PE0 S33 PE1 S34 PE2 S35 PE3 S36 PE4 S37 PE5 S38 PE6 S39 PE7 VDO4 PE0 PE1 PE2 PE3 PE4 PE5 PE6 PE7 PG0 PG1 PG2 PG3 P01 P02 P03 VSS2 VDD2 P04 P05 P06 P07 P10 P11 P12 P13 P14 P00 4 7V2 4 7V1 DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 R548 10K R549 10K R546 10K 10K...

Page 8: ... 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 R548 10K R549 10K R546 10K 10K 5V R547 W R Q R588 2 2K R586 R585 2 2K DISC1 DISC2 DISC3 SW525 SW526 SW527 5V R519 10K X503 HC377 5V C512 0 1U CE505 47U 10V C515 0 1U C514 C516 C522 C513 0 1U 0 1U 0 1U 0 1U R523 100K CE506 47U 10V IC504 5V D506 D507 D508 IN4148 IN4148 IN4148 R522 R521 R...

Page 9: ... 3 4 H305 TO S707 CD BOARD PAGE 3 35 TO S603 CASS BOARD PAGE 3 31 H304 H303 TO S201 AMPLIFIER BOARD PAGE 3 24 HEADPHONE BOARD R R L L LOUDSPEAKER AUX IN R L TO S202 AMPLIFIER BOARD PAGE 3 25 LRC MUTE TUNER L TUNER R CE DATA CL TO TUNER PART PAGE 3 20 L G2 R G3 RL MU 5V JK501 L501 L502 100UH 100UH H308 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 2...

Page 10: ...RF COM RF OUT RF COM RF 1C1 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 LF1C1 LF1C2 LF1C3 LF2C1 LF2C2 LF2C3 LF3C1 LF3C2 LF3C3 LF4C1 LF4C2 LF4C3 LF5 LTOUT LFIN LTIN 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 LFOUT LRIN LRCOM LROUT LVREF VSS CE DI CL VREF RVREF AROUT ARCOM LFCOM PRIN 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 LSEL0 LINVIN1 L5 L4 L3 L2 L1 VDD R1 R2 R3 R4 R5 RINVIN1 RSEL...

Page 11: ...89V PIN 39 3 45V PIN 8 4 35V PIN 40 4 32V PIN 9 3 48V PIN 41 2 87V PIN10 2 88V PIN 42 3 47V PIN 11 4 34V PIN 43 4 34V PIN 12 3 47V PIN 44 2 86V PIN 13 2 88V PIN 45 3 46V PIN 14 4 35V PIN 46 4 32V PIN 15 4 02V PIN 47 2 85V PIN 16 4 26V PIN 48 3 94V PIN 17 4 34V PIN 49 4 33V PIN 18 4 02V PIN 50 4 33V PIN 19 4 26V PIN 51 4 10V PIN 20 4 35V PIN 52 4 09V PIN 21 4 35V PIN 53 4 10V PIN 22 4 32V PIN 54 4 ...

Page 12: ...L BOARD PAGE 3 10 S301 CIN VSSA VDDA MPX VREF RODA TCTR TEM VSSD VDD0 OSC1 OSC0 T57 RDCL SCOUT BU1923F GUCL FM I P NC AGC GND VT V IF O P OSC O P LRC MUTE L R CE DATA CL 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 XOUT VSS AOUT AIN PD VDD FMIN AMIN I02 IFIN XIN CE DI CL D0 D01 D02 D03 DO4 I01 3 ...

Page 13: ...P OSC O P VT 1 2 3 5 4 1 2 3 5 4 3 2 1 4 5 1 2 3 S300 TO H506 CONTROL BOARD PAGE 3 12 TO H507 CONTROL BOARD PAGE 3 12 S301 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FM SD ADJ AM OSC VREG AM RF IN AM MIX OUT S METER AM IF IN GND ST LED TU LED TU ST RST IF OUT AM FM MUTE AM SD ADJ 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 FM IN FM BAIS VCC FM AFC AM DET MPX AM IN FM DET FM DET OUT MPX FM IN PILOT MPX P...

Page 14: ...IN4148 R241 10K R244 56K Q202 2SA1317 R242 22K CE228 220U 10V R243 22K R240 10K R248 22K D207 IN4148 Q203 2SC3330 R239 8K2 R246 100K CE231 47U 50V CE225 3300U 50V CE216 10U 50V R217 100 R222 1K 1 2W R221 1K 1 2W CE221 10U 50V R230 0 22 2W R247 18K D206 IN4148 CE215 10U 50V CE214 10U 50V C212 102 M R226 2 7K R211 2 7K S203 S202 S201 R245 100 FUSIBLE 1 4W C211 3P C209 3P V1 G1 2 V1 AC1 3 TO H101 MAI...

Page 15: ...3 IN4148 R241 12K R244 56K Q202 2SA1317 R242 22K CE228 220U 10V R243 22K R240 10K R248 22K D207 IN4148 Q203 2SC3330 R239 8K2 R246 100K CE231 47U 50V CE225 V1 G1 2 V1 AC1 3 4700U 63V CE216 10U 50V R217 100 R222 1K 1 2W R221 1K 1 2W CE221 10U 50V R230 0 22 2W R247 22K D206 IN4148 CE215 10U 50V CE214 10U 50V C212 102 M R226 2 7K R211 2 7K S203 S202 TO CN313 MAIN BOARD PAGE 3 17 S201 R245 100 FUSIBLE ...

Page 16: ...SD882 Q611 0V 0V 0V 2SC1740 Q612 0V 0V 0 8V 2SC1740 Q613 0V 11 5V 0 8V 2SA1317 Q614 0V 0 7V 0V 2SC1740 Q615 11 6V 10 9V 11 6V 2SA1317 Q616 9 5V 10 1V 11 6V 2SD882 Q617 0V 0V 1 6V 2SC1740 Q618 0V 0V 1 5V 2SC1740 Q619 0V 0V 1 6V 2SD882 Q620 0V 0V 1 6V 2SD882 Q621 0V 0V 11 5V 2SC1740 Q622 12 1V 11 5V 1 6V 2SB1240 Q623 0V 0V 11 5V 2SC1740 Q624 12 1V 11 5V 1 6V 2SB1240 Q625 0V 0V 0V 2SC1740 Q626 0V 0V ...

Page 17: ...CrO2 B H HS 9 8 7 6 5 4 3 2 1 TO DRIVE MECHANISM DECK A TO DRIVE MECHANISM DECK B TO DRIVE MECHANISM DECK B TO DRIVE MECHANISM DECK A TO H303 MAIN BOARD PAGE 3 14 16 TO H505 CONTROL BOARD PAGE 3 11 13 TO H504 CONTROL BOARD PAGE 3 11 13 NF rechts Aufnahme Cass AF right Record Cass NF links Aufnahme Cass AF left Record Cass NF rechts und NF rechts Wiedergabe Cass AF right and NF right Play Cass NF l...

Page 18: ...V PIN 9 0 03V PIN 41 0V PIN10 0 03V PIN 42 0V PIN 11 0 03V PIN 43 0V PIN 12 0V PIN 44 0 01V PIN 13 0V PIN 45 0 02V PIN 14 0V PIN 46 0 01V PIN 15 0 02V PIN 47 0 02V PIN 16 0V PIN 48 0 03V PIN 17 0 02V PIN 49 0V PIN 18 0 03V PIN 50 0V PIN 19 0V PIN 51 0V PIN 20 0V PIN 52 0V PIN 21 0 02V PIN 53 0V PIN 22 0 02V PIN 54 0V PIN 23 0V PIN 55 0V PIN 24 0 02V PIN 56 0V PIN 25 0 02V PIN 57 0V PIN 26 0 01V PI...

Page 19: ...730 27K R728 3 9K C739 82P R731 680 C737 104 C736 104 CE714 100U 10 D700 IN4148 C740 100P 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 IC702 LA6537 R732 1K S701 R733 10K C750 104 C749 104 C748 104 X701 16 9344MHZ C751 15P C752 15P R736 82 CE716 10U 10 CE717 10U 10 R742 18K R741 18K R739 3 3K R740 3 3K C754 330P C753 330P Q703 2SC3330 Q704 2SC3330 R738 10K R737 1...

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