Sharp GF-500 Service Manual Download Page 11 | Manualshive

Page: 11 / 30

background image

Record Signal

Microphone Signal

Line

APSS Signal

Phono Signal

1

2

3

I

4

6

Figure 11

P l a y b a c k S i g n a l

Line in Signal

«
...
9
10
11
12
13
...
»

Summary of Contents for GF-500

Page 1: ...TENTS SPECIFICATIONS 2 POWER SUPPLY VOLT iiLi i i 2 DIAL CORD STRINGING 2 NAMES OF CONTROLS 3 DISASSEMBLY 4 AUDIO BLOCK DlAikil 5 CIRCUIT CONSTRUCTION 6 APPS FLOW CHART 7 8 MECHANICAL ADJUSiM Efi 9 CHECKING OF AUDIO LOW FREQUENCY CIRCUIT lO SCHEMATIC DIAGRAM l Z Z Z 11 12 15 WIRING SIDE OF PRINTED WIRING BOARD l Z Z Z 13 14 16 SCHEMATIC DIAGRAM AND WIRING SIDE OF PRINTED WIRING BOARD AT POWER SUPP...

Page 2: ...ne in 50K ohms 20K ohms Output impedance Headphones 8 ohms to 32 ohms External speaker 3 ohms to 8 ohms Line out 0 55Vl50K ohms RADIO Frequency range AM 525kHz to 1 605kHz SW1 2 3MHz to 7 3MHz SW2 7 3MHz to 22MHz F M 87 6MHz to 108MHz Specifications for this model are orior notice POWER SUPPLY The GF 500Z Unit will operate on an AC power supply of The GF 500 Unit will operate on an AC power supply...

Page 3: ... 2 Record Button 25 Deck 2 Play Button 26 Deck 2 Stop Button 27 Deck 2 Rewind Review Button 28 Deck 2 Fast Forward Cue Button 29 Deck 2 Pause Button 30 Power Switch 31 Function Selector Switch 32 FM Mode Selactor 33 Deck 2 Tape Selector Switch 34 Deck 2 Record Muting Switch 35 Dubbing Switch 36 Dubbing Speed Selector Switch 37 Tone Control 38 Balance Control 39 Volume Control 49 APPS Set Clear Swi...

Page 4: ...k cabinet one screw of the nine is found in the battery compartment 4 Disconnect two speaker sockets and one earth tip a Removal of Mechanism Block See Fig 4 4 1 Remove three screws from the mechanism block and the drive belt from the tape counter 2 Disconnect four sockets and detach the mechanism block a Removal of Main P W B See Fig 4 5 1 Remove two screws from the main P W B and pull the P W B ...

Page 5: ...zl I I I a 5 I I I t l I I I I I I I i _ _____ T j 211 Figure 5 BLOCK DIAGRAM 5 ...

Page 6: ... know is to automatically detect an end of the program when the unit is in fast forward or rewind mode and then to return it to play mode The APPS employed for the GF SOOH E is something new which is based on the same ideas as with such APSS and it is activated not only when the unit is in play mode at the deck 1 only but also when it is in dubbing mode from the deck 1 to the deck 2 In the dubbing...

Page 7: ...dicator D314 lights up The red indicator is still lit at the time SW201 is turned on Syncronous operation of Deck 1 and Deck 2 is EL With Deck 2 in stop or play mode or with the dubbing switch turned off I The motor of Deck 1 gets in a stop Deck 2 alone can be operated I stopped I No buttons for play mode ...

Page 8: ...in APSS mode l APPS set clear switch is at The motor of Deck 2 is kept I set position in stop The yellow indica 1 l The motor of Deck 1 starts again tar D314 keeps on lighting The red indicator D302 is put off The motors of Deck 1 and Deck 2 start again The motor of Deck 1 starts again The indicators D302 and D314 are put off at The yellow indicator D314 is put off bl APPS all clear ...

Page 9: ... so that the output frequency is 1990 to 2010Hz for the deck 1 and 1980 to 2000Hz for the deck 2 For Normal Speed Operation 1 Play a test tape TEAC Ml T 1 11 3kHz prerecorded 2 Adjust the semi variable resistors VR503 for the deck 1 and VR504 for the deck 2 located on the deck 1 and deck 2 mechanism P W Boards so that the output frequency is 2985 to 3015Hz on the wow flutter meter for both decks 1...

Page 10: ...instruments as shown in Fig 10 2 2 Set the function selector switch to tape the volume control knob to lO max and the treble bass tone control knob to center position Test Tape MTT 118 3 Play a test tape TEAC M T T 1 1 8 IkHz 250pWb mm 1OdB prerecorded Head 4 See that the electronic voltmeter reads about 1 8V Figure IO 2 RECORD AMPLIFIER SENSITIVITY CHECK Phono input 1 99 3 9mV 1 Using a CR oscill...

Page 11: ...PI01 2SAll43 Record Signal Microphone Signal ___ B Line APSS Signal Phono Signal 1 2 3 I 4 5 6 Figure 11 SCHE ll Q303 Q306 2SAlll5 F Q304 0305 2X2603 F P l a y b a c k S i g n a l Line in Signal H ...

Page 12: ...I 7 8 9 10 11 12 I I I I I 1 0401 2SD471L IC204 IR2EOI lndlcator DrlVe 9203 2X2603 F I I I I s w Q503 Q504 258562 C B 9507 G5Oa Q509 0510 2SC2603F I I S C H E M A T I C RAM l Z 8 9 10 I 11 12 12 ...

Page 13: ...I C I F I L I 1 E I _____ _ 1 2 3 4 5 6 A B G 1 I Z I 3 I 4 I 3 I tl I Figure I 3 WIRING SIDE OF F 13 __ ...

Page 14: ...P VV 7BOARD 8 I 9 I 10 I 11 I 12 DE OF l Z 14 ...

Page 15: ...1 I 2 I 3 I 4 5 6 3 i IC3 TA7313P PLL FM 3 4 I INPUT I II II I I II I 1 I I 3 I 4 I 5 I 6 Figure 15 SCHEMATIC DlAGRAM 2 2 15 ...

Page 16: ...1 1 2 I 3 4 I 5 6 7 I L i 1 d IC401 2 4 Figure 1 6 WIRING SIDE OF P W BOARD 2 2 5 6 16 IA B C D E F G H 1 ...

Page 17: ...ING SIDE OF PRlNTED WlRlNG BOARD AT POWER SUPPLY SECTION OF GF 500 I I r_ 2i3 4 5 6 50602 M oc I AC POWER SUPPLY CORD QACCL0050AFOO GF 5002 QACCZ0051AFOO GF 5002 QACCK0050AFZZ GFBOOZ QACCD005lAFOO GF 500 A B C D 2 3 4 5 6 I 17 ...

Page 18: ...On Off 1 SW601 1 AC DC Selector Switch I A C D C I l The voltage in each part is measured with no signal given l As for the radio circuit the voltage indica tion without parentheses is in FM stereo mode and that with parentheses is in MWILWISW mode As for the audio circuit the voltage indica tion is in play mode at normal speed The voltage indication with parentheses for 0105 Q510 is in play mode ...

Page 19: ...1 I 2 3 4 I 5 I 6 D BOTTOM VIEW E F G H TOP VIEW I 2 3 I 4 5 I 6 Figure 19 DECK 1 MECHANISM EXPLODED VIEW 1 19 ...

Page 20: ...1 J 2 3 4 I 5 I 6 1 i BOTTOM VIEW TOP VIEW A 0 C D E F G H 1 I 2 3 I 4 I 5 I 6 I Figure20 DECK 2 MECHANISM EXPLODED VIEW 2o ...

Page 21: ...7 I 2 3 4 5 I 6 1 2 3 1 4 I 5 I 6 Figure 21 CABINET EXPLODED VIEW 21 ...

Page 22: ...1 2 3 4 5 I 6 A 8 C 2 D E F G H 1 2 3 4 5 6 Figure 22 CABINET EXPLODED VIEW 22 ...

Page 23: ... 5OV f5 C M A A VCCCPVl HH181J 180PF CH 50V f5 A A CM1 c73 VCCCMFlHH270J 27PF CH 5OV 5 AA CM1 C74 79 80 VCTYMFI CY223N O O22MFD 16V 30 A A WI C84 VCCSMFlHL470J 47PF 5OV 5 C M A A 25 REF NO PART NO DESCRIPTION CODE C 8 5 8 7 8 8 VCTYMFlCY223N O O22MFD 16V c30 A A FCI C105 106 Cl 07 108 VCKYMFlHB221K 22OPF 5OV lO C M A A VCKYMFlHB391K 39OPF 5OV IO C M A A c109 110 VCNMFlCY223M 0 022MFD 16V fi20 A A ...

Page 24: ...g AE RVR M0343AFZZ 5K ohm B V C O Adjust AB 100K ohm l5A T o n e Control RVR ZO137AFZZ 5 0 K ohm 73Z Balance AM Control 20K ohm 339Z Volume Controi RVR M0382AFZZ 5K o h m B Deck1 H i g h A C Speed Adjust RVR M0382AFZZ 5K ohm B Deck2 High AC Speed Adjust RVR M0383AFZZ 20K ohm B Deck1 AC Normal Speed Adjust RVR M0383AFZi 20K ohm B Deck2 AC Normal Speed Adjust ELECTROLYTIC CAPACITORS Unless otherwise...

Page 25: ...H AG AE AG AR Switching Built in AB Microphone Power Supply 2SAl 143 Switching Equalizer AB 2SC2603 F Muting 2SC2603 F A8 Bias Oscillator AD 2SC2001 K ALC Improvement of AB Metal Mode 2SC2603 F APPS Circuit A0 2SAlll5 F Switching APPS Indicator AB AB D303 VHDlS2473 U AB AD D304 305 D306 I VHDl S2076 U AD AD 0307 308 D309 310 i VHDl S2473 1 D311 D312 313 VHDI S2076 il AD D314 RH PX1043AFZZ AD D315 ...

Page 26: ...AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA REF NO R181 182 R314 315 R183 184 R316 317 R185 186 R187 188 R189 190 R191 192 R200 R201 202 R203 204 R205 206 R207 208 R209 2f 0 R211 212 R213 214 R215 R216 R217 218 R219 220 R221 R222 R223 R224 R225 R226 R227 R228 R229 R230 R231 R232 R235 R241 242 R243 244 R245 246 R247 248 R249 250 R251 R252 R253 ...

Page 27: ... NBLTH0088AFOO 182 NBLTK0208AFZZ 183 NBLTK0228AFOO 184 NBRGC0079AFZZ 185 NBRGP0062AFOO 186 NFLYCOOSBAFZZ 187 NGERHOOBOAFOO 188 NROLY0044AFZZ 189 PGIDMOl 01 AFOO 190 PSPAA0055AFFW 191 QLUGPOl 11 CEFW 192 RHEDZ0055AFZZ 193 RHEDAOl OOAFZZ 194 RHEDF0075AFZZ 195 RHEDHOI 14AFZZ A0 AA A0 Bearing Capstan Bearing Flywheel Thrust Flywheel Gear P A D Cam Drive Pinch Roller Guide Cassette Spacer Motor Lug Ter...

Page 28: ...OO Lever Pause MLEVPO351AFOO Lever Deck 2 Erase Prevention AA AA AA AA AA 142 MLEVP0360AFOO AC 143 MLEVP0361 AFOO AB AF AA AA AA AA AF AD AC AD AA AB AD AA AC AH AG AA 159 MSPRC3289AFFJ AA AC AA AC AA AA AC AB AB AC AC AR AB AB AB AB AD AB AB 2 8 134 135 PART NO MLEVP0352AFOO MLEVP0413AFOO 136 MLEVP0353AFOO 137 M LEVP03 54AFOO 138 MLEVP0355AFOO 139 MLEVP0356AFOO 140 MLEVP0357AFOO 141 MLEVP0358AFZZ...

Page 29: ...ocket 2Pin with Wire Leads G F 500 AA A F601 0 F601 J201 A B J201 C J201 D E J201 F G 1 J401 402 J403 Mol 2 SO601 602 l SO601 602 PART NO QFS C122EAFNI QFS 8152AAFNI QJAKZ0148AFZZ QJAKB0059AFZZ QJAKJOI OGAFZZ RMONO125AFOl QSOCE0561 AFZZ QSOCE0563AFZZ SOL501 RPLU 0146AFZZ SP1 2 VSPOOI 2PB58SA SF l 2 VSPOOl2PB59SA SP3 4 RALMB0057AFZZ SW1 A F QSW BOI 52AFZZ SW1 01 A J QSW S0373AFZZ SW102 A D SW1 03 A...

Page 30: ...F500Z TCAUAO249AFZZ Caution Label Power Supply GF 500 TCAUH0211AFZZ Caution Plug GF 506 AA TCAUS0104AFZZ Caution Safty GF 500 AB TCAUS0139AFSA Caution Label GF 500 TGANE1121AFZZ Warranty Card For PX A C GF 500Z TGANEl124AFZZ Warranty Card For Users AC in Australia GF 500Z TINSEO853AFZZ Operation Manua GF 500 TINSZ0435AFZZ Operation Manual AK GF 500Z TLABS0059AFZZ Label UL GF 500 AA TL4BZOll BAFZZ ...

Reviews:

No comments

Related manuals for GF-500

Brand: GE Pages: 7

Brand: NEC Pages: 12

Brand: Nav TV Pages: 11

Brand: Panasonic Pages: 600

Brand: Panasonic Pages: 104

Brand: Panasonic Pages: 32

Brand: Panasonic Pages: 30

EASA-PHONE KX-T61610

Brand: Panasonic Pages: 4

EASA-PHONE KX-T30850

Brand: Panasonic Pages: 6

Venture IP Telephone System

Brand: Aastra Pages: 24

Brand: Aastra Pages: 2

Brand: Cambridge SoundWorks Pages: 20

EXPEDITION XP40iw

Brand: Samson Pages: 2

Brand: Harman Kardon Pages: 4

VANN-Guard 71 Series

Brand: Vanner Pages: 11

Pack TYXAL+ Access

Brand: DELTA DORE Pages: 11

Brand: golmar Pages: 12

Brand: TANDBERG Pages: 12

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands