Sony MDX-C5970R service manual Block Diagram DISPLAY/KEY Control Section, Remote

Page 21

MDX-C5960R/C5970/C5970R

4-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –

J900

REMOTE IN

EN801

VOLUME/BASS/TREBLE/

(LSW804: MDX-C5960R/C5970R only)

BALANCE/FADER CONTROL

D900

LSW801 – 804,

LSW805

LSW806 – 821

ROTARY

D-BASS

ENCODER

EN801

D912

CNP801

1

VOL+

VOL–

FRONT PANEL SIDE

KEY ACTIVE

BUZZER

BZ1

BACKUP +5V

CN900

DRIVE

(BUZZER)

SWITCH

1

MAIN BODY SIDE

Q701

Q905

49 72

46

47

106

107

50

79

37

12

15

RC-IN0

RC-IN1

KEY-IN0

KEY-IN1

RE-IN0

RE-IN1

D-BASS IN

KEYACK

AD-ON

MASTER CONTROLLER

NOSE-SW

BEEP

IC700 (3/4)

X1

X0

X1A

X0A

LCD SO

LCD CKO

LCD CE

LCDANG

93

92

73

74

13 14 104

40

X700

X701

3.68MHz

32.768kHz

D813 – 817,

LSW802, 808, 811

LSW801, 804, 806,

REGULATOR

LCD +10V

LSW807, 809, 810,

Q806

LSW812 – 821

(LSW804: MDX-C5960R/C5970R only)

PL801, 802

REGULATOR

(LCD BACK LIGHT)

Q805, 807

CONTRAST

SWITCHING

LCD +10V

R845

Q901

OSC

LIQUID CRYSTAL DISPLAY DRIVER

21

IC801

3

11 – 6

20

18 17 19

22 – 25

4

OSC OUT

OSC IN

DATA

CLK

STB

KEY IN1 – KEY IN4

DIMMER

POWER ON

VLC0 – VLC5

SEG1 – SEG39, SEG48 – SEG73

COM0 – COM7

05

32, 26 – 31, 33 – 38, 56 – 65,

100 – 93

75 – 90, 39 – 55, 66 – 74

LCD801

LIQUID CRYSTAL DISPLAY

– 25 –

– 26 –

Image 21

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 Block Diagram Main Section MD PlayBUS Audio 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 IC303 BH6511FS-E2 IC305 BA6287FIC307 MN41V4400TT-08S 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 SectionFront Panel Section 5759 5558LCD801 1-803-502-21 Display PANEL, Liquid Crystal Mechanism Deck MG-164N-138 156 157162 158 159 161 152KEY Board ConnectorCapacitor Ceramic ChipMode SoundShift TransistorConposition Circuit Block Main BOARD, CompleteBuzzer BZ1 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