FV-DB2ES (serv.man3) - Sharp Audio Service Manual (repair manual). Page 6

Read Sharp FV-DB2ES (serv.man3) Service Manual online

FV-DB2E
2 – 2
[3] TEST MODE
1. TEST MODE 1
(Write in, operation manual, open to user)
2. TEST MODE 2
Set TUNER PRESET MEMORY.
This test mode follows the normal POWER ON process.
1. Condition
2. PRESET LIST
Sensitivity appears (in numbers) in the lower line during DAB recep-
tion.
TEST MODE
CONTENTS
PROCEDURE
TEST 1
TUNER PRESET MEMORY CLEAR
1. PRESS THE 'PRESET SELECT' BUTTON
2. HOLD THE PRESET SELECT FOR 3 SECONDS MORE.
3. WHILEST “Preset clear” IS DISPLAYED, PRESS THE ENTER BUTTON.
 (open to 
user)
TEST 2
TUNER PRESET FOR PRODUCTION 1. POWER OFF
2. HOLD THE 'MENU' AND 'PRESET 2' BUTTON THEN POWER ON
TEST 3
KEY AND DISPLAY TEST
1. POWER OFF
2. HOLD THE 'MENU' AND 'PRESET 3' BUTTON THEN POWER ON
TEST 4
TEST 5
TEST 6
ALL CLEAR (RESET)
PRODUCTION INITIALIZE 
1. POWER OFF
2. HOLD THE 'MENU' AND 'PRESET 4' BUTTON THEN POWER ON
 (open to 
user)
TEST 7
VERSION NUMBER DISPLAY
1. POWER OFF
2. HOLD THE 'MENU' AND 'PRESET 5' BUTTON THEN POWER ON
 (open to 
user)
TEST 8
MAIN LINE TEST
1. POWER OFF
2. HOLD THE 'MENU' AND 'PRESET 1' BUTTON THEN POWER ON
Work:
Clear all TUNER PRESET MEMORY
Function: – BAND: DAB
Figure:
The above figure: Shown for about 2.0 sec
After Action: - Normal operation.
Preset Clear
TEST1
PRESS PRESET SELECT BUTTON
3 SECONDS MORE
TIMER A START
DISPLAY "Preset Clear"
Complete
CLEAR TUNER MEMORY .
DISPLAY "Complete" SHOWN FOR 2 SECONDS.
TIMER A < 3 SECONDS
PRESS ENTER BUTTON
GO TO NORMAL MODE
NO
NO
YES
YES
Band:
DAB (The BAND key toggles between DAB, FM_ST, and 
FM_MON.)
Volume:
Variable between 30, 20, 10, 1 and 0 (default: 20)
Bass:
Variable between -5 and +5 (with an increment of 1)
Treble:
Variable between -5 and +5 (with an increment of 1)
TUNING: Key operation is available for DAB/FM.
MUTING: A_MUTE and LINE OUT_MUTE are always OFF.
 PRESET CH
BAND
FREQUENCY
1  
→  B1
FM MONO
87.50 MHz
2  
→  B2
108.00 MHz
3  
→  B3
90.00 MHz
4  
→  B4
106.00 MHz
5  
→  B5
98.00 MHz
6  
→  A1
DAB
174.928 MHz
7  
→  A2
239.200 MHz
8  
→  A3
218.640 MHz
9  
→  A4
234.208 MHz
10  
→  A5
206.352 MHz
11  
→  C1
1452.960 MHz
12  
→  C2
1471.792 MHz
13  
→  C3
1490.624 MHz
14  
→  C4
176.640 MHz
15  
→  C5
237.488 MHz
Page of 40
Display

Click on the first or last page to see other FV-DB2ES (serv.man3) service manuals if exist.