Sanyo DC-DA280 - CD PLAY; Basic CD Playback and Navigation; Programmed and Repeat Playback

- 4 -
TUNER ADJUSTMENTS
Antenna : 75Ω unbalanced, Modulation : 1 KHz
Dev. : 22.5kHz
RF Level : dBuV EMF, Output Level : about 30mV at TP13, TP14, TP15
• Use a plastic screw driver for adjustments.
• MODE : TUNER
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1710kHz, 520 - 1710kHz
Anntena : IRE Loop(SG), Modulation : 1kHz, 30%
RF Level : dBuV EMF, Output Level : about 30mV at TP13, TP14, TP15
E
1
12
13
24
13
24
12
1
1
J4413 J4414
J4415
X2451
C2457
L2151
L2153
CT252
D2466
L2451
C2451
C2301
XF233
D2103
J2505
D2153
Q2451
J2511
J2510
XF221
XF222
D2301
C2321
C2305
C2328
C2327
C2307 C2317
T2002
J2501
C2303
J2601
J2509
J2606
J2605
J2604
J2120
J2603
J2112
C2901
D2151
J2600
D2456
C2116
XF231
L_CH R_CHGND
J2500
J2122
J2502
IC231
IC241
J2118
R2109
VT
J2503
CN202
CN201
S2001
XF211
IC211
J2124
J2123
C2306
J2119
J2121
J2100
L2104
D2102
L2103
C2311
C2313
J2113
J2114
J2504
J2117
J2102 J2103 J2104
J2116
J2107
D2452
C2452
J2111
J2110
J2109
J2108
J2106
J2105
J2602
J2508
J2507
D2101
L2102
J2506
D2453
J2101
Q2201
J2115
C2109
IC231
C2461
R2460
R2459
C2456
R2453
R2452
C2455
C2141
C2154
R2131
C2152
C2151
R2149
R2458
R2151
C2453
C2454
R2455
C2304
R2304
R2305
R2306
C2320
C2319
C2309
C2316 R2307
R2309
R2308 C2308
C2324 C2315
C2310
C2312
R2302
R2454
R2148
C2902
R2801
R2701
R2301 R2311
R2100
R2712
R2812
C2314
C2302
C2462
C2600
C2322
C2463
C2464
C2318
R2106
R2312
C2115
C2323
C2101
C2105
C2106
R2101
C2103
C2104
C2107R2102R2107C2110
C2111
R2108
C2112
R2103
C2114
C2113
R2110
R2201
R2204
R2202R2203
C2203
R2205
R2303
C2102
R2105
TP14
TP15
TP13
TP24
TP11
TP25
TP12
CT252
L2151IC231
L2153
L2103
T2002
XF233
1. FM
Connection
Input Output
Alignment voltage IC231 Alignment voltage IC231
3-22pin(TP24,25) is 0.0±0.05V 3-22pin is 0.0±0.05V
L2103 Connect Digital DC voltmeter to 87.5MHz --- 1.00±0.05V
--- TP11(H), TP12(E). 108.0MHz --- 5.30±0.50V Check Only
2. AM
Connection
Input Output
Connect to VTVM
point TP13(L) or TP14(R) and TP15(E).
--- Connect Digital DC voltmeter to 522kHz
L2153
1.00±0.05V
--- TP11(H )and TP12(E). 1710kHz --- 7.10±0.50V Check Only
Connect to VTVM 603kHz L2151
point TP13(L) or TP14(R) and TP15(E).
1404kHz CT252
IF(0V)
Adjustment
XF233
Maximum
98MHz
Cover
Voltage
450KHz
at 999kHz
T2002
MaximumLoop Ant
3
FM Antenna SG=66dBuV/EMF
IF
Adjustment
Loop Ant
1
2
1
Tracking
2
Cover
Voltage
Remark
Remark
Step
Step
Adjusting
Circuit
Adjusting
Circuit
SG
Frequency
Adjustment
Adjustment
SG
Frequency