Sanyo DC User Manual

i
-B.mm mmmm.-mmm.-mmmmmm -m mm.mm.mm
TUNER /CD PLAYER UNIT
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ADJUSTMENT (TUNER)
● Use a plastic screwdriver for adjustment.
● Adjust the intermediate frequency of
AM and FM to the frequency of ceramic filter.
SG RF Level : 75 ohm Open voltage dBIV
1. FM BAND
Antenna :75 ohm Direct, Modulation :1 kHz, Dev. : t 75kHz (mono) . f40k Hz (main) . f6.75k Hz(pilot)
STEP
ITEMS
TUNING INPUT CONDITION
OUTPUT CONDITION
PARTS
FREQUENCY
MEASURE
STANDARDS
INPUT
MEASURE OUTPUT
1
IF
FM Sweep
10.7 MHZ
TP211(H)
FM Sweep
TP223(H)
Generator
TP212(E)
Generator
TP224(E)
T2201
V CURVE Wave : suitable
2 COVER
87.9 MHz TP202(H) L2104
Digital Voltmeter
1.O-1.3V
107.9 MHZ
..----
--. -—
TP201(E)
------
Confirm ~ 8.5V (about 6.6v)
90.1 MHZ
FM SG TP211(H)
TP233(L)
L2102
3
Output : Maximum
TRACKING
VTVM
(about 8dB)
TP234(R)
L2103
Adjust to near
106.1 MHZ TP212(E)
Oscilloscope
TP235(E)
CT201
the I.H. F sensitivity
4 IF(OV)
98.1 MHz
FM SG TP211 (H)
Digital Voltmeter
TP203(H)
(66dB) _ TP212(E)
~TP204(E)
T2202
Oio.osv
5
Vco
98:1 MHz
FM SG
TP211(H) Frequency TP206(H)
(66d8)
TP212(E)
Counter
TP207(E)
SVR23 ##19 KHzi50Hz
FM SG TP211(H)
TP233(L)
6
VTVM
SEPARATION
98.1 MHz
Confirm to
(about 66d8)
TP234(R)
..----
TP212(E)
Oscilloscope
TP235(E)
near the specification
7
STEREO
FM SG
TP211(H)
Confirm stereo indicator light
SENSITIVITY
98.lMHz
Set to EXT(STEREO)
TP212(E)
------ ---—.
------
up within near the specification
ON
INPUT
.- -. .,.
# ‘ TP204 is no earth point. *X : AdJust ‘in the m-odulation off
Tuner Mode : AUTO STEREO
,,. ,
2. AM BAND
Antenna : IRE Loop, Modulation : lkHz
30%
SG
RF Level : 75 ohm Open voltage dBIV
STEP ITEMS
TUNING” ‘“ INPUT CONDI’
FREQUENCY
MEASURE
1
COVER
530kHz-
,
1700kHz
-----: ;
2“
; :6@kHz ..
;
TRACKING
AM”SG.’
1400k Hz
(about 80dB)
3
SD 1000kHz
AM SG
(about 80dB)
LOOP
ANT
LOOP
ANT
OUTPUT CONDITION .
PARTS
STANDARDS
MEASURE
OUTPUT
Digital Voltmeter
TP202(H)
--—--
Confirm 1.1-1 .5V
TP201(E)
------
Confirm ~ 8.5V (about 7.7v)
VTVM
TP233(L) “’
output :
Maximum
------
TP234(Rj
Confirm to near
Oscilloscope
TP235(E)
------
the effective sensitivity.
I
I
Confirm auto tuning stops at
.--—- --—- ------
within near the specification
I
SD : Station Detection
3. PARTS LOCATION
FM EXT.
ANT.(75CJ
TP212
TP202 TP201
‘F? FI ‘pm
SVR23
❑
Q
1 TP223
(R2227)
T2201
%%-\\ Tp203
(J427)
TP204 ‘
R
T2202
,,,
(.)438) -?
,1,
818
,~!’
‘k
TP233 .
q
(J420)
AM LOOP ANT,
-3-
...
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Sanyo DC Specifications

General

Brand	Sanyo
Model	DC
Category	Stereo System
Language	English