Relationship Of Lcd (Lcd801) - Sony An-101 Service Manual

c) Preset-memory Callings, Band Changings and Meterband Changings:
c1) One-time Key Hitting:
(3)
(2)
[7h 486 $<
PRESET-MEMORY CALLINGS, ETC
MUTE
KEY-SWITCH
KEPT DEPRESSED—————>|
Approx. Approx. Approx. | Approx.
400ms 100ms 350ms |400ms
mb +1 mb + 2 mb+3
NOTE: mb MEANS THE METERBAND
NOW RECEIVING
METERBAND mb
IN CASE OF > (UP)
d) Station Selection with Rotary Encoder:
Approx. Approx. Approx.
L-100ms --f+100ms --f-100ms --|
(2) | (3) 4 (2) & |(3) |
Approx.
pS
Approx. Approx.
OUTPUT FROM ROTARY-
ENCODER COUNTER
MUTE
t 30ms 30ms
OUTPUT FROM ROTARY-
ENCODER COUNTER
PRESENTS
OUTPUT FROM ROTARY-
ENCODER COUNTER
PRESENTS
OUTPUT FROM ROTARY-
PRESENTS IN THE
FREQUENCY REGIONS
OUTSIDES THE
BANDS, BOTH LOWER
AND HIGHER SIDES
ENCODER COUNTER
NOT PRESENT
e) Power On by Alarm Operation
POWER-OUT —
MUTE | FULL POWER ON BUZZER-TONE OUTPUT
BUZZER MUTE
Approx. (3) =
\ 60ms f
ALARM OPERATION ait BAND OUTPUTS BECOME IN "L" (LOW)
STARTS ALL EXTERNAL LCD DISPLAYS TURN OFF.
OUTPUT SIGNAL FOR OUTPUT SIGNAL FOR
BUZZER TURNING ON BUZZER TURNING OFF
BUZZER-TONE OUTPUT
WAVEFORM aEGene LI LIL]
Approx.
500ms
Approx.
1,000ms
ICF-SW1
ICF-SW1
AN-101 AN-101
2-1-5. SEGMENTS AND COMMONS OF LIQUID-CRYSTAL DISPLAY PANEL (LCD801)
2-1-6. RELATIONSHIP OF LCD (LCD801) SEGMENTS TO LSI PINS
LCD COM. 1
1C801 Pin 13
LCD COM. 2
1C801 Pin 12
LCD COM. 3
1C801 Pin 11
WHEN " $(Semicolon)'"" IS ON
AT 150 Hz OPERATION
WHEN "AM" 1S ON
AT 50 Hz OPERATION
WHEN BOTH "CLOCK" AND
"ALARM" ARE OFF
Partial Matrix
3V com M
ee OV
COM. 2 3(Semicolon)
i} tot
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ee 1C801 Pin. 48
rit LCD16