JVC DVL320U, DVL720U, DVL522U, DVL520U, GR-DVL220U service manual Disassembly method

1.3.2	Disassembly method
STEP	PART	Fig.No.	POINT	NOTE
No.
	UPPER CASE	Fig. 1-3-1	6(S1a), 4(S1b), 3(S1c),
1	ASSY		CN1
	(Inc. MONITOR			–
/	ASSY / E.VF
	ASSY)		- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2	- - - - - - - - - - - - - - - - -
	DSC BOARD		(S2), CN2a, CN2b	–
	ASSY
3	COVER (HINGE)	Fig. 1-3-2	2(S3)	–
4	MONITOR ASSY	Fig. 1-3-3	CN4, 2(S4)	–
5	E.VF ASSY	Fig. 1-3-4	CN5, 2(S5)	–
6	MONITOR	Fig. 1-3-5	CN6, 5(S6a), (S6b), 4(S6c),	NOTE6
	BOARD ASSY		BRACKET (MONITOR), SPEAKER
7	FRONT ASSY	Fig. 1-3-6	COVER (JACK), CN7,	NOTE7
/	(Inc. DC		2(S7), (L7a), (L7b)
	LIGHT,MIC )		- - - - - - - - - - - - - - - - - - - - - - - - - - - -
	- - - - - - - - - - - - - - - - -
8	DC LIGHT /		2(L8c)
/	LIGHT COVER		- - - - - - - - - - - - - - - - - - - - - - - - - - - -
9	- - - - - - - - - - - - - - - - -
	MIC		(S9)
0	OP BLOCK ASSY	Fig. 1-3-7	CN0a, CN0b, (S0a), (S0b)	NOTE0
!	REAR UNIT	Fig. 1-3-8	CN!a, CN!b,	NOTE!
	ASSY		COVER(DC), 3(S!)
@	LOWER CASE	Fig. 1-3-9	CN@, 2(S@a), 3(S@b)	–
	ASSY
#	JUNCTION	Fig. 1-3-10	(S#a), (S#b),	NOTE#a
	BOARD ASSY		CN#a, CN#b, CN#c, CN#d	NOTE#b
$	MAIN BOARD	Fig. 1-3-11	(S$a), (L$a), SHIELD PLATE,	–
	ASSY		CN$a, CN$b, CN$c, 2(S$b)
%	JACK BOARD	Fig. 1-3-12	2(S%a), CN%a
/	ASSY		- - - - - - - - - - - - - - - - - - - - - - - - - - - -	–
^	- - - - - - - - - - - - - - - - -
	MECHANISM		2(S^a), (S^b)
	ASSY

Note: Remove the parts marked in .

CONN.		CONNECTOR				Pin No.
No.
CN1	MAIN	CN101	⇔	MONITOR	CN761	40
CN2a	DSC	CN8002	⇔	MONITOR	CN762	10
CN2b	DSC	CN8001		MAIN	CN111	80
CN4	MONITOR	CN764	⇔	LCD BL	CN751	33/32
CN5	MONITOR	CN763	⇔	E.VF ASSY	CN721	20
CN6	MONITOR	CN765	←→	SPEAKER	—	2
CN7	MAIN	CN106	←→	MIC		3
			←→	DC LIGHT		2
CN0a	MAIN	CN108	⇔	OP BLOCK ASSY	—	24
CN0b	MAIN	CN107	⇔	CCD	—	20
CN!a	MAIN	CN103	⇔	REAR UNIT	CN551	12
CN!b	MAIN	CN104	←→	REAR UNIT	CN552	6
CN@	MAIN	CN109	⇔	ZOOM UNIT	—	15
CN#a	JUNCTION	CN571	⇔	MAIN	CN113	33
CN#b	JUNCTION	CN574	⇔	LOADING MOTOR	—	6
CN#c	JUNCTION	CN573	⇔	DRUM MOTOR	—	11
CN#d	JUNCTION	CN572	⇔	SENSOR	—	15
CN$a	MAIN	CN110	⇔	HEAD	—	8
CN$b	MAIN	CN112	⇔	CAPSTAN MOTOR	—	18
CN$c	MAIN	CN102	←→	JACK	CN502	24
CN%a	JACK	CN501	⇔	ROTARY ENCODER	—	6

Table 1-3-2

NOTE6 : Be careful not to lose any parts.

NOTE7 : As screw No.31 is hidden behind the COVER (JACK), open the COVER (JACK) to enable re- moval of the screw.

NOTE0 : Remove the connector.

Table 1-3-3

NOTE! : Open the COVER (DC).

NOTE#a : As the CN572 is located at the back of the as- sembly, unplug the three connectors and remove the screws bofore disconnecting the CN572.

NOTE#b : Be coreful not to damage any of the switches.

< BOTTOM VIEW >

1

CN 1

2 (S 1 a)

6

(S 1 b)

		7
		(S 1 b)
	8
	(S 1 b)
		2
		14
		(S 2 )
CN 2 b		9
	CN 2	a (S 1 c)
DSC used
model		1

10

(S 1 c)

12 (S 1 b)

13 (S 1 a)

45

1 2

(S 1 a)

4

(S 1 a)

11 (S 1 c)

5 (S 1 a)

3 (S 1 a)

Fig. 1-3-1

1-3