Service Document
Exchange Set
YACHT BOY 10 WR5401
Service |
Es gelten die Vorschriften und Sicherheitshinweise |
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S gemäß dem Service Manual "Sicherheit", Material- |
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Manual |
nummer 720108000001, sowie zusätzlich die even- |
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Sicherheit |
tuell abweichenden, landesspezifischen Vorschrif- |
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ten! |
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Safety |
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The regulations and safety instructions shall be |
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Materialnr./Part No. |
S valid as provided by the "Safety" Service Manual, |
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720108000001 |
part number 720108000001, as well as the |
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respective national deviations. |
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Dieses Service Dokument ist nur in Datenform verfügbar This Service Document is only available as data
Änderungen vorbehalten/Subject to alteration
Made by GRUNDIG in Germany • HS-41 0404 http://www.grundig.com
ALIGNMENT INSTRUCTIONS
(1)ALIGNMENT FOR FM FREQUENCY RANGE
a.Required Instruments FM RF signal generator SSVM
b.Alignment Procedure
Mode |
Adjustment |
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Procedure |
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(1) |
Set the power switch to the ON position. |
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(2) |
Connect a SSVM to the TP5 and TP6. |
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(3) |
Connect the FM signal generator to the input terminal of the rod antenna |
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(TP1, TP2) |
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L4 |
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(4) |
Set the signal of the signal generator to the standard FM band, with frequency |
FM |
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deviation to 22.5 kHz modulation. |
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VC3 |
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(5) |
With the tuning gang fully closed, set the signal generator to 87.35 MHz ±0.15 |
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MHz and adjust L4 for a maximum reading on the SSVM. |
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With the tuning gang fully open, set the signal generator to 108.25 MHz ±0.25 |
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(6) |
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MHz and adjust VC3 for a maximum reading on the SSVM. |
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(7) |
Repeat Steps 5 and 6 until the best sensitivity is obtained at both frequencies. |
c. Instrument Connection |
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(2)ALIGNMENT FOR FM SENSITIVITY
a.Required Instruments FM/AM RF Signal Generator SSVM
b.Alignment Procedure
Mode |
Adjustment |
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Procedure |
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(1) |
Set the power switch to the ON position. |
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(2) |
Connect a SSVM to the speaker. (TP5, TP6) |
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(3) |
Connect the FM signal generator to the input terminal of the rod antenna (TP1, |
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TP2) |
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L3 |
(4) |
Set the signal of the signal generator to the standard FM band, with frequency |
FM |
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deviation to 22.5kHz modulation. |
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VC2 |
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(5) |
With the tuning gang fully closed, set the signal generator to 90 MHz and |
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adjust L3 (stretch or squeeze) for a maximum reading on the SSVM. |
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(6) |
With the tuning gang fully open, set the signal generator to 106 MHz and |
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adjust VC2 for a maximum reading on the SSVM. |
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(7) |
Repeat steps 5 and 6 until the best sensitivity is obtained at both frequencies. |
c. Instrument Connection |
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YACHT BOY 10
(3)ALIGNMENT FOR AM IF
a.Required Instruments AM RF Signal Generator SSVM
b.Alignment Procedure
Mode |
Adjustment |
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Procedure |
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(1) |
Set the power switch to the ON position. |
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(2) |
Connect a SSVM to the TP5, TP6. |
AM |
T1 |
(3) |
Connect the AM signal generator to the loop antenna. |
(4)Set the signal generator to 460 kHz, with 30% modulation. Set the tuning gang fully closed, and adjust T1 for a maximum reading on the SSVM.
c.Instrument Connection
(4)ALIGNMENT FOR AM FREQUENCY RANGE
a.Required Instruments AM RF Signal Generator SSVM
b.Alignment Procedure
Mode |
Adjustment |
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Procedure |
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(1) |
Set the power switch to the ON position. |
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(2) |
Connect a SSVM to the TP5, TP6. |
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(3) |
Connect a AM RF signal generator to the loop antenna. |
MW |
L21 |
(4) |
Set the signal generator to 516.5 kHz with 30% modulation. Set the tuning |
VC4 |
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gang fully closed, and adjust L21 for maximum reading on the SSVM. |
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(5)Set the signal generator to 1631.5 kHz. Set the tuning gang fully open and adjust VC4 for a maximum reading on the SSVM.
(6) |
Repeat Steps 4 and 5 until the best sensitivity is obtained at both frequencies. |
c. Instrument Connection
YACHT BOY 10
(5)ALIGNMENT FOR AM FREQUENCY RANGE
a.Required Instruments AM RF Signal Generator SSVM
b.Alignment Procedure
Mode |
Adjustment |
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Procedure |
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(1) |
Set the power switch to the ON position. |
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(2) |
Connect a SSVM to the TP5, TP6. |
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(3) |
Connect a AM RF signal generator to the loop antenna. |
LW |
L22 |
(4) |
Set the signal generator to 138.5 kHz with 30% modulation. Set the tuning |
TC6 |
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gang fully closed, and adjust L22 for maximum reading on the SSVM. |
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(5)Set the signal generator to 293.5 kHz. Set the tuning gang fully open and adjust TC6 for a maximum reading on the SSVM.
(6) |
Repeat Steps 4 and 5 until the best sensitivity is obtained at both frequencies. |
c. Instrument Connection
(6)ALIGNMENT FOR AM SENSITIVITY
a.Required Instruments AM RF Signal Generator SSVM
b.Alignment Procedure
Mode |
Adjustment |
Procedure |
(1)Set the power switch to ON position.
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(2) |
Connect a SSVM to the TP5, TP6. |
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(3) |
Connect the AM RF signal generator to the loop antenna. |
MW |
L6 |
(4) |
Set the signal generator to 558 kHz, with 30% modulation. Set the tuning gang |
VC1 |
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fully closed and adjust L6 for a maximum reading on the SSVM. |
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(5) |
Set the signal generator to 1440 kHz. Set the tuning gang fully open and adjust |
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VC1 for a maximum reading on the SSVM. |
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(6) |
Repeat steps 4 and 5 until the best sensitivity is obtained at both frequencies. |
c. Instrument Connection |
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YACHT BOY 10
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