Operating Instructions
Page 3
...Searching the station automatically - Preset tuning 22 Searching available stations from presets - Standby function 28 Falling asleep listening to the radio or alarm - Hold function ....... 32 Recording broadcasts 33 Using the supplied SW external antenna 34 Using the optional external ... in other areas of Contents 3GB Sleep timer function 31 Other convenient uses Preventing operation errors - Memory scan tuning 24 Receiving SSB and CW transmissions 26 Adjusting for optimum AM reception - Auto scan tuning 20 Presetting stations - Table of contents Introduction Location ...
...Searching the station automatically - Preset tuning 22 Searching available stations from presets - Standby function 28 Falling asleep listening to the radio or alarm - Hold function ....... 32 Recording broadcasts 33 Using the supplied SW external antenna 34 Using the optional external ... in other areas of Contents 3GB Sleep timer function 31 Other convenient uses Preventing operation errors - Memory scan tuning 24 Receiving SSB and CW transmissions 26 Adjusting for optimum AM reception - Auto scan tuning 20 Presetting stations - Table of contents Introduction Location ...
Operating Instructions
Page 5
Base qj Stand Pull out qk Battery compartment Introduction 5GB At this time, be sure to push in the base as well. Rear Location of parts and controls qa SSB FINE TUNE control (26) qs LSB/USB selector (26, 27) qd AM MODE selector (26, 27) qf TONE selector (33) qg VOLUME control qh Telescopic antenna Always pull out the base of the antenna before use unnecessary force when storing the antenna. Furthermore, do not use .
Base qj Stand Pull out qk Battery compartment Introduction 5GB At this time, be sure to push in the base as well. Rear Location of parts and controls qa SSB FINE TUNE control (26) qs LSB/USB selector (26, 27) qd AM MODE selector (26, 27) qf TONE selector (33) qg VOLUME control qh Telescopic antenna Always pull out the base of the antenna before use unnecessary force when storing the antenna. Furthermore, do not use .
Operating Instructions
Page 26
During this unit. 1 6 4 3 2 1 Press POWER ON/OFF to turn on radio waves", page 41. 26GB Listening to the radio Tip For more information on SSB and CW, refer to "Tips on the radio. 2 Press FM/AM to select AM. 3 Set the AM MODE selector to SSB. 4 Set the LSB/USB selector to either LSB or USB.... For tuning, see Direct tuning (page 16), Manual tuning (page 18), or Auto scan tuning (page 20). 6 Use SSB FINE TUNE control to fine...
During this unit. 1 6 4 3 2 1 Press POWER ON/OFF to turn on radio waves", page 41. 26GB Listening to the radio Tip For more information on SSB and CW, refer to "Tips on the radio. 2 Press FM/AM to select AM. 3 Set the AM MODE selector to SSB. 4 Set the LSB/USB selector to either LSB or USB.... For tuning, see Direct tuning (page 16), Manual tuning (page 18), or Auto scan tuning (page 20). 6 Use SSB FINE TUNE control to fine...
Operating Instructions
Page 27
For tuning, see "Tips on the radio. 2 Press FM/AM to select AM. 3 Adjust the frequency. Synchronous detection Adjusting for optimum AM reception - SYNCLOCK indicator will appear when the synchronous detection circuit ...), Auto scan tuning (page 20), or Memory scan tuning (page 24). 4 Set the AM MODE selector to SYNC. 5 Set the LSB/USB selector to the radio 27GB Note SYNCLOCK indicator may not appear when the received signal is locked. Synchronous detection With synchronous detection, you can adjust AM reception (especially SW...
For tuning, see "Tips on the radio. 2 Press FM/AM to select AM. 3 Adjust the frequency. Synchronous detection Adjusting for optimum AM reception - SYNCLOCK indicator will appear when the synchronous detection circuit ...), Auto scan tuning (page 20), or Memory scan tuning (page 24). 4 Set the AM MODE selector to SYNC. 5 Set the LSB/USB selector to the radio 27GB Note SYNCLOCK indicator may not appear when the received signal is locked. Synchronous detection With synchronous detection, you can adjust AM reception (especially SW...
Operating Instructions
Page 41
... the carrier and use Morse code as beat sound only. Additional information 41GB Conventional radios without the Carrier Interference LSB USB interferences from adjacent broadcast stations. In general, SSB transmissions employ the USB (Upper Side Band) modulation, while amateur band transmissions below ...its superiority in BFO (Beat Frequency Oscillator) circuit as a means of the Morse code is very popular among ham and business radio transmissions. The synchronous detection circuit of this unit extracts one of the side bands is effective in BFO (Beat Frequency Oscillator)...
... the carrier and use Morse code as beat sound only. Additional information 41GB Conventional radios without the Carrier Interference LSB USB interferences from adjacent broadcast stations. In general, SSB transmissions employ the USB (Upper Side Band) modulation, while amateur band transmissions below ...its superiority in BFO (Beat Frequency Oscillator) circuit as a means of the Morse code is very popular among ham and business radio transmissions. The synchronous detection circuit of this unit extracts one of the side bands is effective in BFO (Beat Frequency Oscillator)...
Service Manual
Page 3
Performing button operations while the light is on will extend the lighting time. 8 Display (7) 9 Controls (6) 0 Speaker qa SSB FINE TUNE control (26) qs LSB/USB selector (26, 27) qd AM MODE selector (26, 27) qf TONE selector (33) qg VOLUME control qh Telescopic ... approximately 10 seconds. Pressing the button again while the light is on will turn off the light. Furthermore, do not use . Front SECTION 1 GENERAL Rear ICF-SW7600GR This section is extracted from the speaker will be sure to the unit . When using headphones, sound from instruction manual. 1 AM EXT ANT (AM external...
Performing button operations while the light is on will extend the lighting time. 8 Display (7) 9 Controls (6) 0 Speaker qa SSB FINE TUNE control (26) qs LSB/USB selector (26, 27) qd AM MODE selector (26, 27) qf TONE selector (33) qg VOLUME control qh Telescopic ... approximately 10 seconds. Pressing the button again while the light is on will turn off the light. Furthermore, do not use . Front SECTION 1 GENERAL Rear ICF-SW7600GR This section is extracted from the speaker will be sure to the unit . When using headphones, sound from instruction manual. 1 AM EXT ANT (AM external...
Service Manual
Page 7
... oscilloscope is minimized. 8. Adjustment Location: MAIN board (See page 8) NG NG NG OK Adjustment Location: MAIN board (See page 8) Center (7) SSB 0 Beat Adjustment Setting : ATT switch : OFF TONE switch : MUSIC (AM RF signal generator) Frequency : AM 150kHz Moduration : None Output level... : OFF TONE switch : MUSIC Procedure: 1. Adjust RV203 so that the waveform on the frequency counter becomes in maximum. 3. ICF-SW7600GR (3) 2nd Local Adjustment Setting: ATT switch : OFF TONE switch : MUSIC AM MODE switch : NORM Procedure: 1. Connect an oscilloscope to FM 108.00MHz...
... oscilloscope is minimized. 8. Adjustment Location: MAIN board (See page 8) NG NG NG OK Adjustment Location: MAIN board (See page 8) Center (7) SSB 0 Beat Adjustment Setting : ATT switch : OFF TONE switch : MUSIC (AM RF signal generator) Frequency : AM 150kHz Moduration : None Output level... : OFF TONE switch : MUSIC Procedure: 1. Adjust RV203 so that the waveform on the frequency counter becomes in maximum. 3. ICF-SW7600GR (3) 2nd Local Adjustment Setting: ATT switch : OFF TONE switch : MUSIC AM MODE switch : NORM Procedure: 1. Connect an oscilloscope to FM 108.00MHz...
Service Manual
Page 9
...METER SD AGC RV202 JUST TUNE S202 SYNC LSB USB T202 FM VCO X201 CF204 AM OSC2 55.390MHz 3.64MHz CT201 RV201 VT CT202 SSB 0 BEAT SSB (EXCEPT FINE TUNE EA) Q207 AM/FM SWITCH AM REG REG 2ND LOCAL Q202 Q202 Q201 Q201 SWITCH SWITCH SWITCH SWITCH Q208 SWITCH Q203... EA: Saudi Arabia model : SW BATT EXCEPT CH J203 DC IN 6V DRY BATTERY SIZE"AA" (IEC DESIGNATION R6) 4PCS,6V 9 9 SSB SYNC NORM - 4-1. BLOCK DIAGRAM SECTION 4 DIAGRAMS ICF-SW7600GR ANT101 (TELESCOPIC) FM TRACKING T101 CT101 FM ANT J101 AM EXT ANT (EXCEPT CH) Q120 ATT VT Q101 MUTING CONTROL MUTING ROD...
...METER SD AGC RV202 JUST TUNE S202 SYNC LSB USB T202 FM VCO X201 CF204 AM OSC2 55.390MHz 3.64MHz CT201 RV201 VT CT202 SSB 0 BEAT SSB (EXCEPT FINE TUNE EA) Q207 AM/FM SWITCH AM REG REG 2ND LOCAL Q202 Q202 Q201 Q201 SWITCH SWITCH SWITCH SWITCH Q208 SWITCH Q203... EA: Saudi Arabia model : SW BATT EXCEPT CH J203 DC IN 6V DRY BATTERY SIZE"AA" (IEC DESIGNATION R6) 4PCS,6V 9 9 SSB SYNC NORM - 4-1. BLOCK DIAGRAM SECTION 4 DIAGRAMS ICF-SW7600GR ANT101 (TELESCOPIC) FM TRACKING T101 CT101 FM ANT J101 AM EXT ANT (EXCEPT CH) Q120 ATT VT Q101 MUTING CONTROL MUTING ROD...
Service Manual
Page 10
.... Location Ref. Location Ref. A B C S202 SYNC D USB LSB S201 E AM MODE SSB SYNC NORM F S203 TONE MUSIC G NEWS MAIN BOARD (CONDUCTOR SIDE) EXCEPT EA RV201 SSB FINE TUNE 2E 2C 2B 1B 1C 1E 1E 1C 1B 2B 2C 2E RV202 CF202 B E...side. • a : Through hole. • : Pattern from the side which enables seeing. (The other layers' patterns are indicated. MAIN BOARD (CONDUCTOR SIDE) - ICF-SW7600GR 4-2. No. Location D101 D-8 D110 E-13 IC201 D-5 Q107 E-11 Q116 C-13 Q204 D-2 D102 D-7 D111 E-8 IC202 F-2 Q108 C-10 Q117 E-10 Q205 C-5 D103 E-12...
.... Location Ref. Location Ref. A B C S202 SYNC D USB LSB S201 E AM MODE SSB SYNC NORM F S203 TONE MUSIC G NEWS MAIN BOARD (CONDUCTOR SIDE) EXCEPT EA RV201 SSB FINE TUNE 2E 2C 2B 1B 1C 1E 1E 1C 1B 2B 2C 2E RV202 CF202 B E...side. • a : Through hole. • : Pattern from the side which enables seeing. (The other layers' patterns are indicated. MAIN BOARD (CONDUCTOR SIDE) - ICF-SW7600GR 4-2. No. Location D101 D-8 D110 E-13 IC201 D-5 Q107 E-11 Q116 C-13 Q204 D-2 D102 D-7 D111 E-8 IC202 F-2 Q108 C-10 Q117 E-10 Q205 C-5 D103 E-12...
Service Manual
Page 24
... (SW) X-3329-657-1 ATTACHMENT(JE) RV101 RV201 RV202 RV203 RV204 1-227-317-11 RES, VAR, CARBON 20K (ATT) 1-227-388-11 RES, VAR, CARBON 50K (SSB FINE TUNE) (EXCEPT CH, EA) 1-241-767-21 RES, ADJ, CARBON 100K 1-241-765-11 RES, ADJ, CARBON 22K 1-227-174-11 RES, VAR CARBON... mark 0 or dotted line with part number specified. Les composants identifiés par une marque 0 sont critiques pour la sécurité. Part No. No. ICF-SW7600GR MAIN Ref. Ne les remplacer que par une pièce portant le numéro spécifié. 24 No. Part No.
... (SW) X-3329-657-1 ATTACHMENT(JE) RV101 RV201 RV202 RV203 RV204 1-227-317-11 RES, VAR, CARBON 20K (ATT) 1-227-388-11 RES, VAR, CARBON 50K (SSB FINE TUNE) (EXCEPT CH, EA) 1-241-767-21 RES, ADJ, CARBON 100K 1-241-765-11 RES, ADJ, CARBON 22K 1-227-174-11 RES, VAR CARBON... mark 0 or dotted line with part number specified. Les composants identifiés par une marque 0 sont critiques pour la sécurité. Part No. No. ICF-SW7600GR MAIN Ref. Ne les remplacer que par une pièce portant le numéro spécifié. 24 No. Part No.