Sony XR-C8100R service manual Source button FM

Page 27

FM RDS S-Meter Adjustment (XR-C8100R only)

Setting :

SOURCE button : FM

FM RF signal

AM (MW) Auto Scan/Stop Level Adjustment

 

Setting :

 

SOURCE nMODE button

: AM (C8100)

MW (C8100R)

FREQUENCY SELECT switch (C8100) : AM 10K

generator

antenna

terminal

0.01 F

set

Carrier frequency : 98.00 MHz

Output level

: 35 dB (56.2 µV)

Mode

: mono

Modulation

: no modulation

AM RF signal generator

30 ½ 15 pF

65 pF

AM dummy antenna (50 ½)

Procedure :

1.Set to the test mode. (See page 25.)

2.Push the SOURCE button and set to FM. Display

SHUF

REG

3.Push the preset 10 button.

4.Adjust RV10 so that the display indication is “13.2”. Display

SHUF

REG

Specification : Display indication : 13.0 to 13.4

Adjustment Location : See page 28.

set

antenna

terminal

Carrier frequency : 1000 kHz (C8100)

 

999 kHz (C8100R)

30% amplitude

 

modulation by

 

1 kHz signal

 

output level

: 33 dB (44.7 µV)

Procedure :

1.Set to the test mode. (See page 25.)

2.Push the SOURCE button.

3.Push the MODE button and set to AM (C8100) or MW (C8100R).

Display

*1

SHUF

*2

TP

4.Push the preset 3 button. Display

*1

SHUF

*2

TP

5.Adjust with the volume RV1 on TUX10 so that the “AM” (C8100) or “MW” (C8100R) indication turns to “AM0” (C8100) or “MW” (C8100R) indication on the display window.

But, in case of already indicated “AM0” (C8100) or “MW” (C8100R), turn the RV1 so that put out light “0” indication and adjustment.

Display

*1

SHUF

*2

TP

*1 : XR-C8100R has the “MW” displayed.

*2 : XR-C8100R has the “999” displayed.

Adjustment Location : See page 28.

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Image 27
Contents XR-C8100/C8100R SpecificationsElectrical Adjustments Table of Contents GeneralDisassembly Assembly of Mechanism DeckGeneral Page Page Page Page Page Page Page Page Page Page Page Page Page Page Front Panel Assy Section DisassemblyMechanism Deck SUB Panel AssyHeat Sink Main BoardSection Assembly of Mechanism Deck HousingARM Suction Gear Loading FT Lever LDG-A / LDG-BMounting Position of CAPSTAN/REEL Motor M901 Guide CTape Section Section Mechanical AdjustmentsSection Electrical Adjustments PrecautionTuner Section Test ModeFM Stereo Separation Adjustment Wide Source button FM Adjustment Location tuner unit TUX10 Block Diagram Tape Section Section DiagramsTape Block Diagram Main Section Pin No Pin Name Pin Description IC PIN DescriptionVSM Dolbc IC500 BA3918-V3 IC501 RN5VD33A-TU IC100 MSM6688GSIC150 SAA6588 Chassis Section Section Exploded ViewsButton 10 KEY Front Panel SectionHEAD, Magnetic Playback Mechanism Deck Section MG-25D-136Section Inverter KEY Electrical Parts ListKEY Main Ref. No Description Remark C246 Elect 47uF 20% 50V C247 164-004-11 Mylar PLUG, Connector 7PPIN, Connector 16P FilmRH5VL43AA-T1 IC LinkFerrite Bead INDUCTOR, Ferrite BeadFET Transistor 2SB1202FA-T-TLExcept G Variable Resistor Network ResistorMain SUB Sony Corporation Parts for Installation and Connections