Sony MDX-C5970 AM MW Auto Scan/Stop Level Adjustment, RDS S-Meter Adjustment MDX-C5960R/C5970R

Page 17

AM (MW) Auto Scan/Stop Level Adjustment

Setting:

[MODE] button (MDX-C5970): AM

[MODE] button (MDX-C5960R/C5970R): MW

FREQUENCY SELECT switch: AM 10 k (E model)

30 Ω 15 pF

65 pF

AM RF signal

generator

AM dummy antenna (50 Ω)

set

antenna jack (J1)

Carrier frequency: 1000 kHz (MDX-C5970)

999 kHz (MDX-C5960R/5970R)

30% amplitude

 

modulation by

 

1 kHz signal

: 33 dB (44.7 V)

Output level

Procedure:

1.Set to the test mode. (See page 16)

2.Push the [SOURCE] button and set to FM.

3.Push the [MODE] button and set to AM (MDX-C5970) or MW (MDX-C5960R/C5970R).

Display

*2

SHUF

*3

TP

*4

4.Adjust with the volume RV1 on TU1 so that the “AM” or “MW” indication turns to “AM0” or “MW0” indication on the dis- play window.

But, in case of already indicated “AM0” or “MW0”, turn the RV1 so that put out light “0” indication and adjustment.

Display

*2

SHUF

*3

TP

*4

*2: MDX-C5960R/C5970R indicate “MW”.

*3: MDX-C5960R/C5970R indicate “999”.

*4: Only MDX-C5960R/C5970R indicate.

Adjustment Location: See page 18.

RDS S-Meter Adjustment (MDX-C5960R/C5970R)

Setting:

[SOURCE] button: FM

FM RF signal

 

 

 

 

 

 

 

 

 

 

 

 

 

generator

 

 

 

 

 

 

antenna jack (J1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.01 F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

set

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Carrier frequency: 98.0 MHz

 

 

 

V)

Output level

: 35 dB (56.2

Mode

: mono

 

 

 

Modulation

: no modulation

Procedure:

1.Set to the test mode. (See page 16)

2.Push the [SOURCE] button and set to FM.

Display

SHUF

3.Push the preset [10] button.

4.Adjust RV1 on MAIN board so that the display indication is “11.2”.

Display

SHUF

Specification: Display indication : 10.8 to 11.6

Adjustment Location: See page 18.

Adjustment Location:

– SET UPPER VIEW –

RV1 RDS S-Meter Adjustment (MDX-C5960R/C5970R)

TU1

RV1 AM (MW) Auto Scan/Stop Level Adjustment

RV2 FM Auto Scan/Stop Level Adjustment

RV4 FM Sereo Separation Adjustment

– 17 –

– 18 –

Image 17
Contents MDX-C5960R/C5970/C5970R SpecificationsOptical PICK-UP Flexible Board Flexible Circuit Board RepairingDiagrams Table of Contents GeneralSection General Page Page Page Page Page Mechanism Deck MG-164N-138 SUB PanelServo Board Main BOARD, Heat SinkFloat Block MD Cover ASS’YLever LE ASS’Y LO Motor ASS’Y Loading M903Chucking ARM ASS’Y Holder ASS’YSL Motor ASS’Y Sled M902, SP Motor ASS’Y Spindle M901 Optical PICK-UP KMS-241B/J1NPFM Stereo Separation Adjustment FM Auto Scan/Stop Level AdjustmentMD Section Tuner SectionRDS S-Meter Adjustment MDX-C5960R/C5970R AM MW Auto Scan/Stop Level AdjustmentSignal Path Block Diagram Servo SectionBlock Diagram Tuner Section BUS Audio Block Diagram Main SectionMD Play Remote Block Diagram DISPLAY/KEY Control SectionILL Block Diagram BUS CONTROL/POWER Supply SectionBUS Audio MD Play Semiconductor Location Printed Wiring Board Servo BoardSee page 55 for Waveforms. See page 58 for IC Block Diagrams Schematic Diagram Servo Board 1/3MDX-C5960R/C5970/C5970R Schematic Diagram Servo Board 3/3 See page 55 for Waveforms Semiconductor Location Component Side Printed Wiring Board Main Board Component SideSemiconductor Location Conductor Side Printed Wiring Board Main Board Conductor SideMDX-C5960R/C5970/C5970R Schematic Diagram Main Board 2/4 MDX-C5960R/C5970/C5970R MDX-C5960R/C5970/C5970R Printed Wiring Board KEY Board Schematic Diagram KEY Board See page 56 for Waveforms Waveforms Servo Board Main Board KEY Board IC301 CXD2652AR IC Block Diagrams Servo Board IC101 PCM1718E/2KIC302 CXA2523R IC307 MN41V4400TT-08S IC303 BH6511FS-E2IC305 BA6287F IC102 SAA6588T-118 MDX-C5960R/C5970R IC250 NJM2360AM TE2 Main Board IC100IC600 BA8270F-E2 IC800 BA3918-V3 IC300 TDA7462D013TRIC PIN Function Description Asyo MvciAsyi AvddSprd SfdrSpfd TEST1 TEST2Xstby XlatVref VCCEject ResetNCO DfctselUnisi UnireqUniso EJT-KEYPLL SO PLL SIPLL CKO NOSE-SWAvrl AvrhKEY-IN1 KEY-IN2Seekout KeyackSD-IN PLL CE111 3294-572-A Main BOARD, Complete General SectionLCD801 1-803-502-21 Display PANEL, Liquid Crystal Front Panel Section5759 5558 Mechanism Deck MG-164N-138 156 157162 158 159 161 152KEY Board ConnectorCapacitor Ceramic ChipMode SoundShift TransistorBuzzer BZ1 Conposition Circuit BlockMain BOARD, Complete Elect Diode RD12SB2 Double LayerDiode UDZ-TE-17-6.8B Diode DTZ-TT11-16BTransistor DTC314TKH04 COIL, Choke 0.5ADTC114EK FMC2Ref. No Description Remark R56 216-025-00 Variable Resistor RV1 SWITCH, Slide Frequency SelectThermistor TH600 1-801-792-21 THERMISTOR, Positive Tuner TU1TC7WU04FU TE12R CXD2652ARRES, Chip Network 1K RES, Chip NetworkOptical PICK-UP KMS-241B/J1RP Motor ASSY, SL Sled503 501502504 505 506 507