1-9
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.
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.
VR1401
D/A
LEVEL ADJ
TPGND
TP701
D AGC
VR701
DV AGC
TPGND
TP7001
TEST
TP106
PB FM
TP4001
CTL.P
TP111
D.FF
TP2253
A.PB FM
Hard disk drive
(HDD)
CN3011
CN7507
Main board assembly
Terminal board assembly
S-Sub
board assembly
3D Digital
/2M board
assembly
Demodulator
board
assembly
Fan motor
Swithing regulator
board assembly
Regulator
board assembly
On screen
board assembly
Display board assembly
LED board assembly
Eject SW board assembly
Jack board assembly
LED SW
board assembly
VHS mechanism
Supporting
tape side
PATCH CORD
PTU94022-18
QUQ112-1840CG
PATCH CORD
PTU94022-10
QUQ112-1040CG
<Front panel assembly>