Sony ICF-SW77 - GENERAL; Location and Function of Controls; Power Sources; Setting the Clock

ICF-SW77
[LCD802 Replacing Procedure]
Perform in the order given.
1. Remove the microcomputer board and the key board
the set.
2. Short-circuit between +3VCPU and OFF LOCK lands.
3. Short-circuit TST lands.
4. Connect lead wires for the power supply.
5. Confirm LCD 802 indication.
a. Apply +6 V to the lead wire.
b. Press S806 (ON/OFF key) . POWER ON
c. Press S848 (RESET key) . RESET
d. Press S846 (FM key) on the key board . FM
e. While pressing S829 (METER BAND key), press
S840 (PAGE FEED £ key) •• LCD all lights up
• TIMCR PACK STANO0Y / 1 /| /3 A / s/ r “ ' CH X 0~n
cioccutc 3Q.QQ tihc Oirr 00-0 0 SLEEP
• iiu tm 00.00 (ho int -00:0 0
• H I I ' l l l l l l l l ll l l M H ' llllllllllllllllllllllllllllll
i: -i
WIDE
HARROW
SYNC U
9THC L
USD
LSB/'CW
STMC LOCK
i!
m
11
&£ "
BE*
SCAN = —6
F rS 888:88:8 PSi
OH AIR = —1
slow as ~~i
hl2l3Dl5lBl7l0l9llQl —
• Unit A PACT
?mm\
mmm\
f. P ress S840 (PAGE FEED £ key)
. LCD half lights up
• TIMiB PAOC / 11 / 1 /
n.n t rut orr t n n
• UU l u.u
t ——
SYMC U
USB
00
00
00
— i
— l
— 7
- Z Z•Z Z • I MHZ
Art
ON AIR ES “I
— 5
]
111 1 ITsITTTTT
• TINIER PACT
Inni
msm c mm
t mm
i mm IkMl |
6. C onfirm the LCD position by looking the hole on the
left side of the LCD holder.
^LCD801
LCD802
7. R emove LCD802 by loosening 6 twisted portion ( ★
mank) of the LCD holder.
8. P lace in the order, LCD holder, LCD, rubber
connectors, light guide chip (B) in its position
confirmed in the item 6.
white dots surface
LCD and LCD holder positionings
9. Place the microcomputer board on LCD assembled in
the item 8 and twist 6 portion for stopper of LCD
holder.
10. Confirm LCD indication (Item 5 a to f).
11. When the indication goes out of order, repeat the items
7 to 10 again.
- 4 -