Sony NHF800 service manual Mechanism Deck Section MT-MZNH900-181, M702, M703

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MZ-NH700/NHF800

7-4. MECHANISM DECK SECTION (MT-MZNH900-181)

159

	158
		161
	157	not supplied HR601
	157	(over write head)
		(over write head)

154

M702

154M701

153

160

162

156		163
	M703
		(including HR601 (over write head) )

155

153

152153

151

Ref. No.

Part No.

Description

Remark

1513-338-645-31 WASHER (0.8-2.5)

1523-263-454-01 GEAR (BSA)

1533-248-370-01 SCREW, SELF TAP

1543-225-996-17 SCREW (M1.4) (EG), PRECISION PAN

1553-244-880-01 SPRING, THRUST RETAINER

1563-263-455-01 GEAR (SB)

1573-259-972-22 CHASSIS (REC)

158X-3384-651-2 BASE ASSY, MOTOR

159X-3384-650-1 HOLDER ASSY

	The components identified by			Les composants identifiés par une
	mark 0 or dotted line with			marque 0 sont critiques pour la
	mark 0 are critical for safety.			sécurité.
	Replace only with part num-			Ne les remplacer que par une pièce
	ber specified.			portant le numéro spécifié.

Ref. No.		Part No.	Description		Remark

1603-263-453-01 PLATE, RATCHET

161X-2023-272-1 LEAD SCREW SERVICE ASSY

1623-244-879-01 SPRING, RACK

0 163	X-2021-785-1 OP SERVICE ASSY (ABX-U)
		(including HR601(OVER WRITE HEAD))
M701	8-835-782-12	MOTOR, DC SSM18D/C-NP (SPINDLE)
M702	1-787-143-11	MOTOR, DC (SLED)
M703	1-477-519-21	MOTOR UNIT, DC
		(OVER WRITE HEAD UP/DOWN)

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Contents MD Mechanism Type MT-MZNH900-181 Optical Pick-up Name SpecificationsModel Name Using Similar Mechanism On nextFlexible Circuit Board Repairing MZ-NH700/NHF800Diagrams Table of ContentsDisassembly GeneralSection Servicing Notes Unleaded SolderSection General Display window MARK/REC +N button Jog dial Way control keySection DisassemblyDisassembly Flow Case Lower Section Main BoardCase Upper Section Mechanism Deck Section MT-MZNH900-181, MD Standard PINSET Chassis Assy Gear BSA, Gear SBOP Service Assy Holder Assy Position of Ferrite CoreOutline Test Mode00# Ver AdjF 00#Manual 0000000 CD RunOfsRun OPChkN2#### ####N1#### $$$$$$ ##131 ###S Electrical AdjustmentsTemp PwrAdj211 AD PwrAdj adjustmentsItemNo Display Specification value Measuring point 261 AD VBsAdj adjustmentsVBsAdj Charge Function Check113 ###S 111 ###SDiscPr Resume Clear Servo Overall AdjustmentReleasing The Test Mode Section Diagrams Block Diagram MD Servo SectionBlock Diagram Audio Section MICBlock Diagram Power Supply Section CLK aAbbreviation EE East European model Conductor Side Pattern face are indicated Parts face sideLead layout of conventional IC Schematic Diagram Main /9 See page 36 for IC Block Diagram 2FOSchematic Diagram Main /9 See page 36 for IC Block Diagrams GNDCSPChip Size Package CTL2ICHG XRST2 Mute 30 Sgnd Schematic Diagram Main /9 Lrck Xbck Xcsadc PoencloseswTOU NDG Uses unleaded solder Printed Wiring Board Main /2Semiconductor Location IC601 60 IC Block Diagrams IC301 AK5356VN-LIC601 SC901585VAR2 IC602 R1160N121B-TR-FA HN58X2564FPIEZ IC Pin Function Description Davss DavddDVDD25LPF OscvddCltv FiliFilo DvregoDclsoutr VreflVrefr DclsoutlSO0 AccessledSI0 SCK0PWM DRVXcsnv GndswHizspdl SCS4Hizsld SETCODE3 Ref. No Description Section Exploded Views 311 2023-318-1 NH7002023-317-1 NHF800 US110 Chassis Section109 117 111 124 125M702 Mechanism Deck Section MT-MZNH900-181Ref. No Description Remark 160 3-263-453-01 PLATE, Ratchet M703Section Electrical Parts List Main 1uF 10% 10V C419 125-777-11 C415 125-777-111uF 10% 10V C416 125-777-11 1uF 10% 10V C420 125-777-111uF 10% 10V C672 127-820-11 C669 125-837-111uF 10% C671 125-777-11 7uF 10% 16V C673 125-777-11MA22D2800LS0 D303 8-719-056-54 Diode MAZS068008SONNCD6.8H-T1 MA8056-L7uH L701 216-295-00 L607 419-881-1147uH L608 400-402-21 L702 216-295-00R315 218-990-11 R305 RES-CHIP 100 16W R306 10K R307 R308 216-864-11R309 RES-CHIP 16W R310 R312 R314 218-990-11 R433 245-455-21R652 218-990-11 R649 245-456-21R650 216-793-11 R653 RES-CHIP 22K 16W R654 R657 218-990-11470K 16W R920 218-985-11 S894 SWITCH, Push 2 KEYRef. No Description Remark R918 218-985-11 470K 16W R922 218-977-11504 501 502503 506 504Revision History