Sony MDX-C5970R service manual IC300 TDA7462D013TR, IC600 BA8270F-E2 IC800 BA3918-V3

Page 41

IC300

TDA7462D013TR

28

SE3L

27

SE3R

26

MUTE

25

SDA

PAUSE

24

SCL

23

PAUSE

DETECT

INPUT

LOUDNESS

VOLUME

TREBLE/

VOICE BANDPASS

FRONT

22

OUT FL

REAR SIDEFRONT SIDE

SELECTORSELECTOR

GAIN &

SOFT

BASS

FADER

SE1L

1

CONTROL

CONTROL

AUTO

MUTE

CONTROL

HP

LP

SE1R

2

CIRCUIT

CIRCUIT

ZERO

CIRCUIT

MD+

3

INPUT MULTIPLEXER & MIXING STAGE

FRONT

MD–

4

21

OUT FR

FADER

CDL+

5

CDL–

6

COMPANDER

CDR–

7

CDR+

8

PDR

9

REAR

20

OUT RL

PDGND

10

FADER

PDL

11

LOUDNESS

SE2L

12

INPUT

SE2R

13

CONTROL

REAR

GAIN

19

OUT RR

CIRCUIT

FADER

SUBWOOFER

FADER

BEEP

LP

SUBWOOFER

18

SUBOUT+

OUT

17

SUBOUT–

IIC

SDA

DIGITAL CONTROL CIRCUIT

SCL

BUS

CREF

14

POWER

16

VDD

SUPPLY

15

GND

IC600

BA8270F-E2

IC800

BA3918-V3

	BUS ON	1	BUS ON	14	VCC
	BUS ON	1	SWITCH
			SWITCH
	RST	2	RESET	13	RST
	RST	2	SWITCH	13	RST
			SWITCH	12	BUS ON
				12	BUS ON
			BATTERY	11	CLK IN
	BATT	3	BATTERY	10	BU IN
	BATT	3	SWITCH	10	BU IN
			SWITCH
	CLK	4
	VREF	5
	DATA	6		9	DATA IN
	GND	7		8	DATA OUT

					REGULATOR
					OVER VOLTAGE
						PROTECT
			–						–	–	–
			+						+	+	+
1	2	3	4	5	6	7	8	9	10	11	12
NC	MODE2	MODE1	STB	VDD	AMP	VCC	ANT	COM	AM	FM	GND

– 61 –

Image 41

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