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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
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Mi spiace per non poter scrivere in inglese... ma sono veramente soddisfatto del servizio offerto. Grazie..!!
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The quality of this manual is good. It has all schematics and setup information for both the MDS-B3 and the MDS-B4. The scan quality is quite good, all pages are readable, This service manual also contains scans of the operating instructions from the User manual.
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Quick site processing. A complete and very useful manual with all details. Thank you!
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Das Service Manual war von der ersten bis zur letzten Seite sehr informativ und hilfreich. Die Darstellung aller Teile war klar und der Text gut lesbar.
Vielen Dank, das war nicht der letzte Download bei ownner-manuals.com.
SCHEMATIC DIAGRAM-2/2 (A270 MODEL)
ANT1 FM-ANT L5,TC1 AM TRACKING ADJ L2,TC2 FM TRACKING ADJ L3,TC3 FM FREQUENCY RANGE ADJ TC3 L6,TC4 AM FREQUENCY RANGE ADJ TC4 T2 FM IF ADJ
MAIN C.B
LED,DISPLAY 0.9 INCH 12H GREEN (UHC MODEL)
TC1
TC2
0.1 1K 1015GR
PVC1 TUN-CAP,20P-160P-82P (UHC MODEL) TUN-CAP,20P-126P-126P (EZLC,EZHC MODEL) C7 27P (UHC MODEL) 30P (EZLC,EZHC MODEL)
IFT VOL REG
VOLUME
VR,RTRY 50K-BF-12NPD
0.01 BAND 68
8.2K 39K
SPEAKER
FM/AM FE FM NC IF GND RF IN OUT FM/AM AM BAND IF SELECT IN FM IF IN
AM IN
FM RF
REG FM AFC AM VOL OUT OSC OSC
NF
FH GND DISCRI
U2
IF AFC AFC DET NC METER GND AGC AGC OUT
AM FM IF POWER IC
AF RIPPLE AF IN FILTER VCC OUT GND
T3 AM IF ADJ
U1 LM8560
0.1
2SC1815GR
8 ohm 0.5w 1/4
0.1 0.022 0.01 IF AMP LED1 ALARM LED,DIA3 DISPLAY CONTROL
STANDBY
0.022
POWER
CN1
0.1
16V
SOCKET DC 9V 2P BATTERY
COLON OUT MIN AF MIN CD MIN BG 10MIN MIN 10MIN CD 10MIN BG 10MIN AF HRAF HRCD HRBG
VSS ALARM OUT SLEEP OUT ALARM OFF ALARM DISP VDD MIN SET HOUR SET
0.1 AC~
BUZZER
0.01 0.01 ALARM SET
PT
120V 60Hz (UHC MODEL) 230V 50Hz (EZLC,EZHC MODEL)
0.1
0.01
LED,DISPLAY 0.9 INCH 24H GREEN (EZLC,EZHC,UWCC MODEL)
STANDBY
0.01 AC~
PT,U 120V W/AC CORD (UHC MODEL) PT,EZ 230V W/AC CORD (EZLC, EZHC MODEL)
BUZZER
SNOOZE INPUT 50/60 INPUT
50/60Hz JW 12/24H
10HRC 50/60 SELECT PM 10HRB CR INPUT
UP
DOWN
SLEEP INPUT
Note
CLOCK SET 0.0068
AM 12/24 10HRAG SELECT
JW
JW
SELECT
JW
50Hz 60Hz 12H 24H
12/24H 50/60Hz � JW � No Mount No Mount � JW �
0.001
SIGNAL : AM : FM
-10-
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