Sharp 14U-FM1, Service Manual

Page: 17 / 48

17
14U-FM1
CU14FM1
17-1
17-2
ADJUSTMENT ITEM ADJUSTMENT POSITION CONTR
OL
PRE-ADJUST REQ
UIREMENT
CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PR
OCEDURE
ADJUST R737 SO
THA
T
THE +B
V
O
LT
A
GE IN
V
O
LTMETER READING IS
AS BELO
W
.
+B ADJUSTMENT
–
STEP RANGE
–
– AFTER ALL ADJUSTMENT FINISHED
.
US 4 CH LION HEAD (MONOSCOPE P
A
TTERN)
A
C
120V
, RF INPUT
ADJUSTMENT ITEM ADJUSTMENT POSITION CONTR
OL
PRE-ADJUST REQ
UIREMENT
CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PR
OCEDURE
H-POSITION
V07
STEP RANGE
0-31
I
2
C B
US CONTR
OL
OPTION SET UP
, B
US SET UP
, CR
T
-PURITY
US 4 CH LION HEAD (MONOSCOPE) A
C
120V
, US MA
GNETIC FIELD
CONFIRMA
TION BY CR
T SCREEN
CONNECT
THE DIGIT
AL
V
O
LTMETER AND MEASURE
+B LINE
[V
OL
T
A
GE COMFIRMA
TION]
130 ± 0.5VDC (CHECKING SPEC :
130V ± 0.8
VDC)
1
.
ADJUST THE
V07
B
US D
A
T
A
T
O
HA
VE A BALANCE POSITION
T
O
SPEC
OF
A=B
.
2.
IF CANNO
T MAKE IT
T
O
A=B
, ADJ FR
OM
THE BEST POINT SO
THA
T
B
SLIDEL
Y SMALLER
THAN
A
[CHECKING SPEC] LEFT AND RIGHT SYMMETRICAL
AB