Sony MDX-C5970R service manual IC303 BH6511FS-E2, IC305 BA6287F, IC307 MN41V4400TT-08S

Page 39

IC303

BH6511FS-E2

CAPA–

CAPA+

IN2R

IN2F

VM2

OUT2F

PGND2

OUT2R

VM12

OUT1R

PGND1

OUT1F

VM1

IN1F

IN1R

VDD

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

INTERFACE

AMP

AMP

AMP

AMP

INTERFACE

VDD

CHARGE

PREDRIVE

PREDRIVE

PUMP.

OSC

PREDRIVE

PREDRIVE

INTERFACE

AMP

AMP

AMP

AMP

INTERFACE

PSB

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

GND

VG

IN4R

IN4F

VM4

OUT4F

PGND4

OUT4R

VM34

OUT3R

PGND3

OUT3F

VM3

IN3F

IN3R

PSB

IC305

BA6287F

OUT1

1

8

GND

VM

2

7

OUT2

DRIVER

DRIVER

TSD

VCC 3	6 VREF
	CONTROL LOGIC

POWER

SAVE

FIN 4

5 RIN

	IC307		MN41V4400TT-08S
	D1	1			CLOCK OSC			26	GND
	D2	2			CLOCK OSC			25	D4
	D2	2						25	D4
	XWE	3						24	D3
	XRAS	4				(4) INPUT		23	XCAS
	NC	5		A0–A9	COLUMN DECODER		BUFFER	22	XOE
	NC	6		A0–A9	COLUMN DECODER			21	NC
	NC	6						21	NC
	NC	7			SENSE REFRESH AMP			20	NC
	A9	8			SENSE REFRESH AMP			19	NC
	A9	8			INPUT/OUTPUT CONTROL SWITCH			19	NC
	A0	9	ADDRESS BUFFER			(4) OUTPUT		18	A8
	A1	10		A0–A9				17	A7
				A0–A9	MEMORY CELL
	A2	11		DECODERROW	MEMORY CELL		BUFFER	16	A6
	A2	11			(4194204 BIT)			16	A6
	A3	12			(4194204 BIT)			15	A5
	A3	12						15	A5
	VDD	13						14	A4
	VDD	13						14	A4

– 59 –

Image 39

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/J1NPTuner Section FM Auto Scan/Stop Level AdjustmentFM Stereo Separation Adjustment MD 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 Avdd MvciAsyo AsyiTEST1 TEST2 SfdrSprd SpfdVCC XlatXstby VrefDfctsel ResetEject NCOEJT-KEY UnireqUnisi UnisoNOSE-SW PLL SIPLL SO PLL CKOKEY-IN2 AvrhAvrl KEY-IN1PLL CE KeyackSeekout SD-IN111 3294-572-A Main BOARD, Complete General SectionFront Panel Section 5759 5558LCD801 1-803-502-21 Display PANEL, Liquid Crystal Mechanism Deck MG-164N-138 159 161 152 157156 162 158Ceramic Chip ConnectorKEY Board CapacitorTransistor SoundMode ShiftConposition Circuit Block Main BOARD, CompleteBuzzer BZ1 Elect Diode DTZ-TT11-16B Double LayerDiode RD12SB2 Diode UDZ-TE-17-6.8BFMC2 COIL, Choke 0.5ATransistor DTC314TKH04 DTC114EKRef. No Description Remark R56 216-025-00 Tuner TU1 SWITCH, Slide Frequency SelectVariable Resistor RV1 Thermistor TH600 1-801-792-21 THERMISTOR, PositiveTC7WU04FU TE12R CXD2652ARMotor ASSY, SL Sled RES, Chip NetworkRES, Chip Network 1K Optical PICK-UP KMS-241B/J1RP507 501502503 504 505 506