Sony MZ-NH1 48

MZ-NH1

	Pin No.	Pin Name	I/O	Description

	288	SCS4	O	Chip select signal output for ATRAC3 plus encoder communication Not used

	289	HI_Z_SLD	O	Standby signal output terminal for the sled motor

	290	HI_Z_SPDL	O	Standby signal output terminal for the spindle motor
	291 to	SET_CODE0 to	I	Setting terminal for the destination
	294	SET_CODE3	I	Setting terminal for the destination
	294	SET_CODE3

	295, 296	D_EN1, D_EN2	O	Headphone/LINE/beep switching signal output to the headphone amplifier

	297	D_ENVG	O	Power on/off control signal output for headphone amplifier

	298	DADT	O	Audio data output terminal Not used

	299	PWM_L1	O	LC drive PWM output terminal

	300	PWM_L2	O	LC drive PWM output terminal
	301	I2C_1	—	Open drain for IIC
	302	I2C_2	—	Open drain for IIC

	303, 304	TEST	—	Not used

	305	CLKIN2	I	Clock signal input terminal (13.5 MHz or 27 MHz) Not used

	306	FS256	O	Master clock signal (256Fs=11.2896 MHz) output to A/D converter

	307	ADDT	I	Data input from A/D converter
	308	LRCK	O	L/R sampling clock signal (44.1kHz) output to external A/D converter
	309	XBCK	O	Bit clock (2.8224 MHz) output to the external A/D converter

	310	OSCI	I	Main system clock input terminal (22.5792 MHz)

	311	OSCO	O	Main system clock output terminal (22.5792 MHz)

	312	FS512	O	Clock signal output to the headphone amplifier

	313	DTCK	I/O	TSB master data clock input/output or SSB data input/output
	314	UDP	I/O	USB data (+) input/output terminal
	315	UDM	I/O	USB data (–) input/output terminal

	316	USBHOLD	I	USB hold signal input terminal

	317	SUSPEND	O	USB suspend signal output

	318	UPUEN	O	USB pull-up resistor connection control output terminal

	319	UOSCI	I	Resonator (48MHz) connection terminal for the USB oscillation circuit
	320	UOSCO	O	Resonator (48MHz) connection terminal for the USB oscillation circuit
	321 to 325	NC	—	Not used

48

Contents

SPECIFICATIONS Sony Corporation Personal Audio Company Page TABLE OF CONTENTS SERVICING NOTES GENERAL 3.DISASSEMBLY TEST MODE NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNIT NOTES ON LASER DIODE EMISSION CHECK UNLEADED SOLDER : LEAD FREE MARK Installing The recorder The display window of the recorder The headphones/earphones with a remote control The display window of the remote control 3-1.DISASSEMBLY FLOW Note 1: Note 2: 3-2.BOTTOM PANEL SUB ASSY 3-3.MAIN BOARD 3-4.UPPER PANEL SUB ASSY 3-5.CONTROL ORNAMENT BLOCK 3-6.MECHANISM DECK ASSY (MT-MZNH1-181) 3-7.GEAR (BSA), GEAR (SB) 3-8.OP SERVICE ASSY 3-10.HOLDER ASSY Ver Ver Manual AdjF MENU MD1Run HM3Run OfsRun OPChk ResOK SET OK ## RMC OK ## Temp SetTmp POWER PwrAdj VC1 VBsAdj ChrgLi DESIGN LrefPw DistF 3-9.Resume Clear 3-10.Releasing The Test Mode 6-1.BLOCK DIAGRAM – MD SERVO Section – 6-2.BLOCK DIAGRAM – AUDIO Section – 4-3.BLOCK DIAGRAM – POWER SUPPLY Section – •Note For Printed Wiring Boards and Schematic Diagrams Note on Printed Wiring Board: Note on Schematic Diagram: •Waveforms IC701 1 (VI1), 2 (WI1) SCHEMATIC DIAGRAM – MAIN Section (1/9) – See page 36 for IC Block Diagrams SCHEMATIC DIAGRAM – MAIN Section (3/9) – See page 36 for IC Block Diagram SCHEMATIC DIAGRAM – MAIN Section (5/9) – SCHEMATIC DIAGRAM – MAIN Section (6/9) – Page SCHEMATIC DIAGRAM – MAIN Section (8/9) – SCHEMATIC DIAGRAM – MAIN Section (9/9) – 6-13.PRINTED WIRING BOARD – MAIN Section (1/2) – : Uses unleaded solder •Semiconductor Location Ref. No Location 6-14.PRINTED WIRING BOARD – MAIN Section (2/2) – : Uses unleaded solder Ref. No. Location CXD9811K IC401 MM1655LCBE IC501 SN761059ZQLR IC601 SC901585VAR2 IC602 R1160N121B-TR-FA IC701 SC901583EPR2 IC871 R2061K01-E2 IC891 AK6514CN-L IC901 SC901584EPR2 IC902 XC62HR5502MR •IC Pin Function Description IC801 CXD2681-222GG(SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR) Page Page Page Page Page Page NOTE: 7-1.PANEL SECTION MAIN SECTION 7-3.MECHANISM DECK SECTION