Mechanism Adjustment; Service Cautions; Precautions; How To Read The Disassembly And Assembly (For Mechanism Parts) - JVC GR-FXM270A Service Manual

2.1

SERVICE CAUTIONS

2.1.1 Precautions

1. Before disassembling/re-assembling the set as well as
soldering parts, make sure to disconnect the power
cable.
2. When disconnecting/connecting connectors, pay enough
attention to wiring not to damage it.
3. When installing parts, be careful not to do with other parts
as well as not to damage others. (Pay the most careful
attention to the upper drum assy and tape transport
mechanism.)
2.1.2 How to read the disassembly and assembly
(For Mechanism Parts)
(1) Order of steps in Procedure
When reassembling, perform the step(s) in the reverse
order. These numbers are also used as the identifica-
tion (location) No. of parts Figures.
(2) Part to be removed or installed.
(3) Location of part.
T = Top
B = Bottom
(4) Fig. No. showing Procedure or Part Location.
M = Mechanism
(5) Identification of part to be removed, unhooked, un-
locked, released, unplugged, unclamped or unsoldered.
P = Spring
W = Washer
S = Screw
* = Unhook, unlock, release, unplug or unsolder.
(6) Adjustment information for installation.
(+) = Refer to Exploded Views for Lubrication informa-
tion.
(For Mechanism Parts)
STEP/LOC.
No.
1
ROLLER BASE ASSEMBLY
2
TENSION ARM ASSEMBLY
3
REEL DISC (SUP)
4
SLANT ARM ASSEMBLY
5
CANCEL LEVER ASSEMBLY
6
EJECT LEVER ASSEMBLY
7
CASSETTE GUIDE (L) ASSEMBLY
5
(1)
2-1
SECTION 2

MECHANISM ADJUSTMENT

Fig.
PART
No.
T
T
T
T
T
T
T
5 5
(2) (3)

2.1.3 Required adjustment tools

Alignment tape
MHPE-C
Jig connector cable
YTU93106A
Cassette torque meter
PUJ50431-2
REMOVAL
*UNHOOK/UNLOCK
/RELEASE/UNPLUG
/UNSOLDER
M1 (S1)
M1 (P1), (W1a)
M1 (W1a), (W1b)
M1 (W1a)
M2 (W2)
M2 (W2)
M2 (S2)
5
5
(4) (5)
Alignment tape
MHPE-LC
Extension connector
YTU94145B-30
Roller Driver
PTU94002-2
Table 2-1-1
INSTALLATION
ADJUSTMENT
CONDITION
NOTE
–
–
_
–
_
–
–
5
(6)