- 3 -
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
2. AM
Connection
Input
Output
point TP13 (L)
TP14 (R)
TP15 (E)
Maximum
L2151
CT252
L2153
1.00±0.05V
7.10±0.50V Check Only
1611kHz
522kHz
---
---
TP11(H )
TP12(E)
2
Cover
Voltage
TP14 (R)
TP15 (E)
Tracking
3
Loop Ant
point TP13 (L)
1.35±0.10V
6.50±0.50V Check Only
1
IF
Adjustment
Loop Ant
450KHz
at 999kHz
T2002
Maximum
87.5MHz
108.0MHz
---
---
TP12 (E)
TP11 (H)
---
FM Antenna SG=66dBuV/EMF
1
98MHz
Step
Step
Adjusting
Circuit
Adjusting
Circuit
IF(0V)
Adjustment
2
Cover
Voltage
Adjustment
603kHz
1404kHz
Remark
Remark
SG
Frequency
SG
Frequency
XF233
Adjustment
---
TUNER ADJUSTMENTS
1
13
12
24
10
20
E
E
E
E
E
DIP
L2151
L2153
IC251
D2153
J2705
J2706
Q2451
TU_R
GND
TU_L
C2313
C2303
C2311
C2317
C2307
C2328
C2327
C2301
C2321
C2305
C2901
C2306
C2451
C2457
T2002
XF221
C2101
J2519
J2510
CT252
J2506
XF222
Q2201
J2711
XF231
J2522
J2521
J2716
J2717
J2718
D2456
J2715
J2620
J2713
L2451
D2452
J2501
D2453
D2466
J2619
J2618
J2617
J2615
J2517
J2516
J2515
J2507
J2511
C2452
X2451
D2451
J2509
J2508
J2612
J2613
J2611
J2707
J2708
J2514
J2704
L2501
J2503
J2505
C2516
L2502
X2501
J2616
C2503
C2505
Q2502
J2700
D2467
D2151
D2103
XF233
J2714
J2500
J2513
J2703
J2610
J2502
VT
J2712
J2710
J2520
U2101
D2104
J2614
J2709
Q2140
Q2310
C
2102
L2100
L2101
J2512
J2518
J2702
IC231
IC241
C2116
C2903
R2901
J2650
JW201
JW241
JW242
(TO JW242)
(TO JW241)
(TO
JW401)
CN202
CN445
D4406
TU_R
GND
TU_L
(R)REC SW
PACK SW
NC
(F)REC SW
PLUNGER
INI SW
MOTOR
PH1
GND
REEL
C2152
C2170
C2154
R2131
C2141
R2201
R2205
R2204
R2202
R2203
C2203
C2302
C2302
R2305R
2
3
0
5
R2312R
2
3
1
2
C2308
C2308
C2314
C2314
C2302
R2304
C2318
C2312
R2302R
2
3
0
2
C2323C
2
3
2
3
C2304C
2
3
0
4
C2310
C2310
C2117
C2117
R2302
C2323
C2304
R2306R
2
3
0
6
R2306
R2305
R2311
R2301
C2322
R2801
R2701R
2
7
0
1
R2812R
2
8
1
2
R2712R
2
7
1
2
R2701
C2310
R2312
C2308
R2309
R2308
C2309
C2316
C2320
R2307
C2319
R2458
R2454
R2455
R2452
R2453
C2314
R2460
R2459
C2464
C2454
C2453
C2461
C2463
C2462
R2464
R2463
R2462
R2461
C2521
C2522
C2515
C2515
C2515
C2513
C2512
R2519
R2504
C2504
C2504 C2506
C2506
C2504 C2506
C2502
C2502
C2502
R2503
C2456
C2455
C2324
C2315
R2812
R2712
C2115
R2149
R2148
R2151R
2
1
5
1
R2151
C2151
C2902C
2
9
0
2
C2902
R2802
R2331
R2141
R2140
C2140
R2102
R2103
R2100
C2117
R2114
C2332
R2101
R2303
R4406
TP11
TP12
TP13
IC231
XF233
T2002
TP14
TP15
L2153
L2151
CT252
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
• Speaker impedance : 4 ohms
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1611 kHz (9 kHz step)
520 - 1610 kHz (10 kHz step)
Antenna
: 75
Ω
unbalanced, Modulation : 1 kHz
Dev.
:
22.5kHz(MONO),
22.5kHz(STEREO),
6.75kHz(PILOT)
RF Level
: dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
Anntena : IRE Loop(SG), Moduration : 1kHz 30%
RF Level : dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
