Sanyo GCD 2700 - FM ADJUSTMENT; AM BAND ADJUSTMENT; TAPE DECK ADJUSTMENTS

I
.-
●
TUNER ADJUSTMENTS
● Use a plastic screwdriver for adjustment. . Speaker impedance
8 ohm
●Standard Output
50
mW
●FM MODE switch STEREO
. TUNING : FM : 87.5-108.0 MHZ ( 50 kHz step ), AM: 531 -1701 kl-lz ( 9kHz 5teP )
“M ANTENNA :
Dummy 750hm U
lalance
VTVM
Oscilloscope or
DC voltmeter
flax.
V-curve)
FM ADJUSTM
T
Adjusting
Iep
Circuit
UT
BAND SELECT SWI1
Connections
i
: FM
SG Frequency
Position of tuning dial
I
Adjustment
input
output
connect sweep
generator to
TP 223 (H),
TP 224(G)
(V-curve)
[S-curve: not adj.)
Connect to Digital
DC voltmeter
TP 202 (H),
TP 201 (G)
Connect to VTVM,
Speaker output
Connect to Digital
DC voltmeter
TP 203
,TP 204
( not Ground)
:onnect sweep
]enerator to
[P211 (H),
rP212 (G)
k
T2201
98.1 MHz
-----
~
1
IF
2
Detector
3
Tuning
4 Coverage
10.7 MHz
1.2to.lv)
less than
8.5V)
-+H-+-
87.5 MHz
108.0 MHz
-------
...
90.0 MHz
L2102,
L2103
106.0
MHz
CT201
90.0 MHz
~onnectto
rp211(H),
TP212 (G)
i
5
Tracking
6
Max.
Ovto.osv
106.0 MHz
Zonnect to
rp211 (H),
98.0 MHz
(66 dB)
98.0 MHz
T2202
1-
7
Ov
Vco
8
(19.00kHz)
rP212 (G)
—-—. .
1
-----
98.0 MHz
SVR23
98.0 MHz ..
(66 d8)
Modulation :
OFF
..
Connect to
TP206 (H),
TP207 (G)
19.00 kHz
f 513Hz
-----b-
. CHECKING THE AM BAND
SG MODULATION :1 kHz, So”/o,
IRE LOOP ANTENNA
,.
....
I
VTVM
Connections
SG Frequency
Position of tuning dial
output
Adjusting
Step
Circuit
Adjustment
I
Oscilloscope or
DC voltmeter
Input
Connect sweep “ Connect sweep
generator to
TP 208 (H),
1
450 kHz
999
kHZ
(CF204)
(CF204 :
adjusted)
generalor to
-1_
1
IF
TP 251 (H),
TP 252 (G)
TP 207 (G)
Connect Digital
1
==4 “1-1”5V)
DC voltmeter to
TP 202 (H),
TP 201 (G)
---.---
3
Coverage
----- I (Iessthan
I
8.5V)
I
T
4
Tracking
5
Connect to VTVM,
603 kHz
603 kHz
Speaker output
1404k Hz
1404 kHz
Connect AM SG
to Test Loop
+
-----
-----
1
Checking the
Connectto Digital ]
I
6
SD
(Auto stop
sensitivity)
Connect AM SG
to Test Loop
voltage
2. O-4.OV
(at 85dB tBdB)
DC voltmeter
TP 205 (H).
999kHz
999 kHz
TP 207 (G)
..---
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