JVC KV-V8 service manual Mechanism sensor information Common table of MN*, HD* and M3

3– : Mechanism sensor information [Common table of MN*, HD* and M3*]

Display		Mechanism sensor information
	MN* / HD*	M3*	REC safety	Start	End
	S-VHS SW	CASS SW	SW	sensor	sensor
0-	VHS	Cassette insertion	Tab broken	ON	ON
1-	VHS	Cassette insertion	Tab broken	ON	OFF
2-	VHS	Cassette insertion	Tab broken	OFF	ON
3-	VHS	Cassette insertion	Tab broken	OFF	OFF
4-	VHS	Cassette insertion	Tab present	ON	ON
5-	VHS	Cassette insertion	Tab present	ON	OFF
6-	VHS	Cassette insertion	Tab present	OFF	ON
7-	VHS	Cassette insertion	Tab present	OFF	OFF
8-	S-VHS	Cassette ejection	Tab broken	ON	ON
9-	S-VHS	Cassette ejection	Tab broken	ON	OFF
A-	S-VHS	Cassette ejection	Tab broken	OFF	ON
B-	S-VHS	Cassette ejection	Tab broken	OFF	OFF
C-	S-VHS	Cassette ejection	Tab present	ON	ON
D-	S-VHS	Cassette ejection	Tab present	ON	OFF
E-	S-VHS	Cassette ejection	Tab present	OFF	ON
F-	S-VHS	Cassette ejection	Tab present	OFF	OFF

–4 : Mechanism mode position [Common table of MN*, HD* and M3*]

Note:

•EMG detail information <2> is the reference information stored using the remaining tape detection function of the cassette tape. As a result, it may not identify cassette cor- rectly when a special cassette tape is used or when the tape has variable thickness.

* 5 : Cassette tape type <1>

Display	Cassette tape type <1>
00	Cassette type not identified
16	Large reel/small reel (T-0 to T-15/T-130 to T-210) not classified

82Small reel, thick tape (T-120) identified/thin tape (T-140) identified

84Large reel (T-0 to T-60) identified

92Small reel, thick tape (T-130) identified/thin tape (T-160 to T-210) identified

93Small reel, thick tape/C cassette (T-0 to T-100/C cassette) not classified

C3 Small reel, thick tape/C cassette (T-0 to T-100/C cassette) being classified

D3 Small reel, thick tape/C cassette (T-0 to T-100/C cassette) being classified

E1 C cassette, thick tape (TC-10 to TC-20) identified

E2 Small reel, thick tape (T-0 to T-100) identified

E9 C cassette, thin tape (TC-30 to TC-40) identified

F1 C cassette, thick tape/thin tape (TC-10 to TC-40) not classified

Notes:

Display

MN* HD* M3*

-0	-7	-
-1	-0	-
-	-	-0
-2	-7	-
-	-	-1
-3	-1	-2
-	-	-3
-4	-7	-4
-5	-2	-5
-6	-7	-6
-7	-3	-F
-8	-7	-F
-9	-4	-F
-A	-7	-E
-B	-5	-
-	-	-D
-	-	-C
-	-	-B
-C	-7	-
-	-	-A
-D	-6	-
-	-	-9
-E	-7	-
-	-	-8
-F	-6	-7

Mechanism mode position

Initial value

EJECT position

EJECT position (Cassette housing drive mode)

Housing operating

Between EJECT and U / L STOP

U / L STOP position

Guide arm drive position

Tape being loaded / unloaded (When the pole base is located on the front side of the position just beside the drum)

Tape being loaded / unloaded (When the pole base is located on the rear side of the position just beside the drum)

Pole base compressed position

FF / REW position

Between FF / REW and STOP with pinch roller compres- sion ON

STOP with pinch roller compression OFF

Between STOP with pinch roller compression OFF and

REV

REV (REV STILL / SLOW) position

REV position

Between REV and REV STILL / SLOW

REV STILL / SLOW position

Between REV and FWD

Between REV STILL / SLOW and FWD STILL / SLOW

FWD (FWD STILL / SLOW) position

FWD STILL / SLOW position

Between FWD and PLAY

Between FWD STILL / SLOW and PLAY

PLAY position

•Cassette tape type <1> is identified a few times during mode transition and the identification count is variable depending on the cassette tape type. If an EMG occurs in the middle of identi- fication, the cassette tape type may not be able to be identified.

•If other value than those listed in the above table is displayed, the cassette tape type is not identified.

* 6 : Cassette tape winding position

The cassette tape winding position at the moment of EMG is displayed by dividing the entire tape (from the beginning to the end) in 22 sections using a hex number from “00” to “15”.

“00”	:	End of winding
“15”	:	Beginning of winding
“FF”	:	Tape position not identified

* 7 : Cassette tape type <2> (Winding area)

Display				Cassette tape type <2>
	00		Cassette type not identified
	07		Small reel, thick tape	T-5
08	-	0E	C cassette, thick tape	TC-10
09	-	15	C cassette, thick tape	TC-20P
0A	-	0B	Small reel, thick tape	T-20
0A	-	16	C cassette, thin tape	TC-30
0A	-	16	C cassette, thin tape	TC-40
0D -		0F	Small reel, thick tape	T-40
11	-	14	Small reel, thick tape	T-60
15	-	18	Small reel, thick tape	T-80 / DF-160
17	-	1A	Small reel, thick tape	T-90 / DF-180
19	-	1D	Small reel, thick tape	T-100
1D -		21	Small reel, thick tape	T-120 / DF-240

Note:

•In the case of the "HD*” microprocessor, as the display is always "-7” at any intermediate position between modes, the position of transitory EMG may sometimes not be lo- cated.

1.6.5EMG detail information <2>

The type of the cassette tape and the cassette tape winding po- sition can be confirmed based on the figure in EMG detail infor- mation <2> .

[FDP/OSD display]

*5 : * 6 : * 7

*5 : Type of the cassette tape in use <1>

*6 : Winding position of the cassette tape in use

*7 : Type of the cassette tape in use <2> (Winding area)

1E	-	1F	Small reel, thin tape	T-140
1F	-	23	Small reel, thick tape	T-130
21	-	23	Small reel, thin tape	T-160
21	-	23	Small reel, thin tape	T-168
22	-	24	Small reel, thick tape	DF-300
22	-	24	Small reel, thin tape	T-180 / DF-360
22	-	24	Small reel, thin tape	T-210 / DF-420
22	-	23	Large reel	T-5
23	-	24	Large reel	T-10
25	-	26	Large reel	T-20
27	-	29	Large reel	T-30
29	- 2B		Large reel	T-40
2D	- 2F		Large reel	T-60

Note:

•The values of cassette tape type <2> in the above table are typical values with representative cassette tapes.

1-8