Sony XR-M510 service manual Disc buttons, Tuner Section

Page 20

XR-M510

Dolby Level Adjustment

 

Setting:

 

 

[SOURCE] button

 

: ON

Preset [MENU] (PLAY MODE) and

[DISC ] buttons

 

: NR off

[SOUND] (BAS) button

: Center

[SOUND] (TRE) button

: Center

[SOUND] (BAL) button

: Center

[SOUND] (FAD) button

: Center

[+] (VOL) button

 

: Maximum

test tape

 

MAIN board

      

P-4-D400

TP (DOLBY-L)/ level meter

(400Hz, 0 dB)

TP (DOLBY-R)

 

set

 

+

 

 

 

Procedure:

1.Put the set into the FWD PB mode.

2.Adjust RV400 (L-CH) and RV401 (R-CH) so that the level meter reading is –6±0.5 dB (0.37 to 0.41 V).

TUNER SECTION

Tuner section adjustments are done automatically in this set.

Adjustment Location:

– SET UPPER VIEW –

TUX100

Tape Speed

Adjustment

RV401

Dolby Level

Adjutment (R-ch)

RV400

Dolby Level

Adjutment (L-ch)

– SET BOTTOM VIEW –

TP (DOLBY-R)

Dolby Level

Adjustment

TP (DOLBY-L)

20

Image 20
Contents Specifications Cassette type Dolby B NR Dolby NR offTable of Contents Mechanical Adjustments Electrical AdjustmentsDiagrams GeneralPrecaution on OPEN/CLOSE Front Panel Section Servicing NotesSection GeneralChanging the sound and display settings Precautions Precauciones Säkerhetsföreskrifter PrecauçõesReset button Botão de reinicialização Dashboard Salpicadero InstrumentbrädanBotón de restauración Πλήκτρ NollställningsknappenDiagrama de conexión de alimentación StrömanslutningsschemaDiagrama de ligação de corrente Notas de ejemplo de conexionesUtrustning som visas Equipamento utilizado nas Connection example Ejemplo de conexionesAnslutningarna enligt exemplet Exemplo de ligaçõesSection Disassembly Mechanism Deck MG-25E-136Front Panel Assy Motor Block ASSY, CAM R AssySUB Panel XR SUB Assy Main BoardHeat Sink CAM R Assy Section AssemblyFront Panel Machinery Motor Block Assy Screw PTT2.6 ⋅ Motor block assy Connector CN501 Cam R assy Mechanism Deck ARM SuctionLever LDG-A / LDG-B Gear LDG-FTGuide C Mounting Position of CAPSTAN/REEL Motor M901Tape Deck Section Section Mechanical AdjustmentsSection Electrical Adjustments Disc buttons Tuner SectionSection Diagrams Block Diagram TUNER/TAPE SectionBlock Diagram Main Section MPXBlock Diagram -DISPLAY/BUS Control Section SPE-INBlock Diagram Power Supply Section +5V RegulatorWaveforms Main Board Printed Wiring Boards Main Board Component Side Semiconductor LocationPrinted Wiring Boards Main Board Conductor Side XR-M510 XR-M510 XR-M510 XR-M510 Printed Wiring Boards SUB Board Schematic Diagram SUB Board Printed Wiring Boards Display Board Schematic Diagram Display Board See page 25 for Waveforms TDA7402TR IC501 BA8270FV-E2 IC PIN Function Description Main Board IC601 MB90574BPMT-G-257-BND System ControllerAvcc Accin LED SW2 PE0 PE1 LCDCE0 Ground terminal for A/D converter SUB Panel Section Cord with Connector ISO PowerExploded Views Front Panel Section 55 1-694-685-11 Conductive BOARD, Connection65 A-3283-095-A Display BOARD, Complete LIST. ENTER. SOUND. Menu107 A-3326-298-A Switch BOARD, Complete Main Board SectionM901 A-3291-665-A Motor ASSY, Main CAPSTAN/REEL Mechanism Deck Section MG-25E-136165 A-3220-607-A Mechanism Deck Assy Section Electrical Parts List DisplayDisplay Main Main BuzzerCAPACITOR/SHORT ElectConnector Elect BlockBUS Audio IN, Audio OUT REAR/FRONT Diode UDZS-TE17-5.6BKRC103S KRA103SR260 216-821-11 Main SUB Switch