Mechanism Service Mode; How To Set The "Mechanism Service Mode - JVC HR-DVS2EK Service Manual

1.9 MECHANISM SERVICE MODE

This model has a unique function to enter the mechanism
into every operation mode without loading of any cassette
tape. This function is called the "MECHANISM SERVICE
MODE".

1.9.1 How to set the "MECHANISM SERVICE MODE"

(1) Disconnect VCR from AC.
(2) Connect TPGND and TP7001 (TEST) on the Display
board assembly with a jump wire.
(3) Connect VCR to AC.
(4) Press the POWER button.
Swithing regulator
board assembly
DV Main
board assembly
1-10
Fan
Main board assembly
Regulator
board assembly
TP GND
P/R MDA
board assembly
DV mechanism
PATCH COAD
PTU94022-18
QUQ112-1840CG
TP7001
TEST
Display board assembly
TPGND
LED SW
board assembly
<Front panel assembly>
Fig. 1-9-1
(5) With lock levers A B on the left and right of the Cassette
holder assembly pulled toward the front, slide the holder
in the same direction as the cassette insertion direction.
(For the positions of lock levers A B , refer to the "Pro-
cedures for Lowering the Cassette holder assembly" on
page 1-5 of 1.6 HOW TO REMOVE THE MAJOR PARTS
<VHS section>
(6) The cassette holder lowers and, when the loading has
completed, the mechanism enters the desired mode.
Terminal board assembly
S-Sub
board assembly
VR701
DV AGC
TP701
On screen
D AGC
board assembly
TP106
PB FM
VHS mechanism
CN3011
Supporting
tape side
Jog board
assembly
Eject SW board assembly
3D Digital
/2M board
assembly
VR401
D/A
LEVEL ADJ
Demodulator
board
assembly
TP4001
CTL.P
TP111
D.FF
TP2253
A.PB FM
CN7507
PATCH COAD
PTU94022-16
QUQ112-1640CG
Jack board assembly