Sony XR-C440 service manual Adjustment Location, Main Board Conductor Side

Page 22

Adjustment Location:

– SET UPPER VIEW –

Tape Speed Adjustment

(XR-C450: E, Saudi Arabia model only)

TU1

RV1 AM (MW) Auto Scan/Stop Level Adjustment

RV2 FM Auto Scan/Stop Level Adjustment

RV3 FM Noise Focus Adjustment

RV4 FM Stereo Separation Adjustment

RV131 RV231 (R-CH) (L-CH)



DOLBY Level

Adjustment

– MAIN BOARD (CONDUCTOR SIDE) –

J1

antenna jack

TU1

TP (DOLBY R)

TP (GND)

IC301 TP (DOLBY L)

IC501

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Contents 925-536-12 SpecificationsAudio Power Specifications US model NEWElectrical Adjustments Table of Contents GeneralAssembly of Mechanism Deck DiagramsSection General XR-C450 XR-C450 E, Saudi Arabia XR-C440/XR-C450 E, Saudi Arabia XR-C450 US, Canadian Page XR-C440 Page XR-C450 Saudi Arabia model US, Canadian model Saudi Arabia model Front Panel ASS’Y Section DisassemblyCover ASS’Y SUB PANEL, Mechanism Deck Main BOARD, Heat SinkHousing Section Assembly of Mechanism DeckARM Suction Gear LDG-FT Lever LDG-A / LDG-BGuide C Torque Measurement Mode Torqu Meter Meter Reading Section Mechanical Adjustments Section Electrical Adjustments Tape Tension Measurement Mode Torqu Meter Meter ReadingFM Auto Scan/Stop Level Adjustment Tape Speed AdjustmentDolby Level Adjustment DB=0.775AM MW Auto Scan/Stop Level Adjustment FM Noise Focus AdjustmentFM Stereo Separation Adjustment Adjustment Location Main Board Conductor SidePage Page Page Page IC361 IC Block DiagramsBU2624F-E2 IC651IC301 CXA2510AQ-T4 IC701 BA8270F-E2 IC671 BA3918-V2IC PIN Function Description ΜPD78058GC-913-3B9 System ControlPin No Pin Name Function Chassis Section Cord with ConnectorSection Exploded Views 3309-720-A Main BOARD, CompleteFront Panel Section XR-C440 LCD901 1-801-587-11 Display PANEL, Liquid CrystalFront Panel Section XR-C450 118Mechanism Deck Section MG-25C-136 M901 A-3291-665-A Motor ASSY, Main CAPSTAN/ ReelSection Electrical Parts List KEY SWITCH, KEY Board with LED Dspl SWITCH, KEY Board with LED +SWITCH, KEY Board with LED Mute SWITCH, KEY Board with LED BTMMain BOARD, Complete KEY MainMetal Glaze ElectRef. No Description Remark C19 126-157-11 Conposition Circuit Block CP1 PIN, Connector 16PPLUG, Connector 12P GAP, Discharge DiodeRN5VD23AA-TL IC1MM1322XFBE Jack RemoteCarbon SWITCH, Slide Frequency Select RES, ADJ, Carbon 1.0K SwitchSWITCH, Slide Power Select RES, ADJ, Carbon 1.0KVibrator Accessories & Packing MaterialsParts for Installation and Connections MiscellaneousRevision History