1-5
Fig. 1-5-1
1.5.1 How to set the "MECHANISM SERVICE MODE"
(1) Disconnect VCR from AC.
(2) Connect TPGND and TP7001(TEST) on the Main board
assembly with a jump wire.
1.5 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".
TP7001
TEST
To Mini front
TPGND
CP4001
CN7001
CP5302
TP106
PB.FM
TP4001
CTL.P
TP111
D.FF
Main board
assembly
C3018
Timer clock
(3) Connect VCR to AC.
(4) Press the POWER button.
(5) With lock levers A B on the left and right of the Cas-
sette holder assembly pulled toward the front, slide the
holder in the same direction as the cassette insertion di-
rection. (For the positions of lock levers A B , refer to
the “Procedures for Lowering the Cassette holder assem-
bly” on page 1-2 of 1.3 DISASSEMBLY/ASSEMBLY
METHOD.)
(6) The cassette holder lowers and, when the loading has
completed, the mechanism enters the desired mode.
CP5302
CP5301
TP7001
TEST
TPGND
TP2253
A.PB.FM
TP4001
CTL. P
TP106
PB. FM
CP4001
TP111
D.FF
Main board
assembly
Demodulator
board assembly
C3025
Timer clock
To Mini ope
CN7003
Fig. 1-5-2
[HR-J271MS, HR-J471MS]
[HR-J677MS, HR-J777MS]
www.freeservicemanuals.info
4/5/2017
Digitized in Heiloo Netherland