Sanyo DC-DA1450M - Safety Warnings

- 2 -
TUNER ADJUSTMENTS
Use a plastic screw driver for adjustments.
Adjust the intermediate frequency of AM to the frequency of ceramic filter.
Set of unit
Supply voltage
:
AC 230V
speaker impedance
:
4 ohms
standard output
:
50 mW
Function select:
:
TUNER
a. Parts Locatio
n
a.AM Adjustment
Band :AM
SG Position of VTVM
Input Output Frequency Tuning dial Oscilloscope
Closed the output
termial by sweep
generator,it place
to AM ANT
Connect AM SG to
TP5(H)
522 KHz 522 KHz
L2202
VT: 1.0±0.05V
test loop
TP6(E)
1611 KHz 1611 KHz VT: 7.5±0.5V
Connect AM SG to Connect VTVM to 603 KHz 603 KHz L2201
test loop speaker terminals. 1404 KHz 1404KHz CT221
b.FM Adjustment
Band :FM FM Dummy antenna: 75 ohms unbalance
SG Position of VTVM
Input Output Frequency Tuning dial Oscilloscope
FM ANT
TP5(H)
87.50 MHz 87.50 MHz L2102 VT: 1.0±0.01V
TP6(E)
108.00 MHz 108.00 MHz VT: 7.5±0.5V
FM ANT
TP7(L)
90.00 MHz 90.00 MHz
TP9(R)
106.00 MHz 106.00 MHz
3
2
3
Step
1
cover range
Adjusting
Circuit
2
1
Step Adjustment
IF T2301
Tuning
522 KHz450 KHz
Connections
Adjusting Connection
Max.
Adjustment
Circuit
Tracking
Tracking Max.
TP7(L)
TP9(R)
Tuning
cover range
IF
E
1
13 12
24
10
20
E
E
E
E
E
L2202
XF231
CT221
L2102
T2301
L2201
XF201
D2004
D2003
D2201
CN201
C2110
D2101
D2301
X2101
D2001
D2002
Q2301
CN202
C2210
C2207
XF232
XF233
D2102
C2303
C2404
J2212
IC201
Q2101
X2401
J2211
J2202
J2203
J2204
C2304
J2103
C2118
C2117
J2001
J2209
J2210
J2213
C2408
L2101
L2301
Q2302
J2104
J2105
IC202
J2214
J2215
D2401 R2411
J2206
C2407
C2502
J2005
J2003
J2004
C2201
J2101
C2505
J2208
J2102
J2207
VT
J2002
J2216
J2006
J2007
C2150
J2205
D2403
D2402
C4715
C4951
D4951
Q4951
Q4992
R4951
C4953
Q4994
J4011
J4108
J4229
J4010
J4236
J4233
D4964
C4911
R4952
D4953
R2203
C2109
C2002
C2206
C2205
R2204
R2307
C2104
R2101
R2106
R2104
C2102
R2102
R2308
C2202
C2208
C2209
R2303
R2304
R2302
R2103
C2108
R2105
R2306
C2402
IC202
R2305
C2401
R2402
R2403
C2403
C2406
C2405
C2409
C2103
R2108
C2305
R2107
C2105
R2111
R2201
C2106
R2409
C2412
C2413
C2414
R2301
C2116
R2110
C2107
C2101
C2112 C2111
R2406
C2203
C2301
C2306 R2309
R2311R2310
C2204
R2412
C2415
R2202
C2501
C2115
C2114
C2113
R2505
R2109
R2506
C2504
R2504
R2501
R2415
Q2102
R2001
R2002
R2312
C2503
C2506
R4757 R4758 R4718
C4952
R4953
R4958
T2301
CT221
L2201
L2202
VT
L2102
Max.
TP8(E)