- 4 -
1. FM
Step Adjusting
Connection
SG
Adjustment
Remark
Circuit
Input
Output
Frequency
1
Alignment voltage IC231
3-22pin(TP24,25) is 0.00
±
0.05V
2
---
Connect Digital DC voltmeter to
87.5MHZ
L2103
1.00
±
0.05V
---
TP11(H), TP12(E).
106.0MHZ
---
5.10
±
0.50V check only
2. AM
Step Adjusting
Connection
SG
Adjustment
Remark
Circuit
Input
Output
Frequency
1
2
---
Connect Digital DC voltmeter to
522kHZ
L2153
1.00
±
0.05V
---
TP11(H )and TP12(E).
1710kHZ
---
7.50
±
0.50V check only
3
Connect to VTVM
603KHZ
L2151
point TP13(L)or TP14(R) and TP15(E).
1404kHZ
CT252
IF(0V)
Adjustment
XF233
Maximum
98MHz
FM Antenna SG=60dBuV/EMF
IF
Adjustment
Connect to VTVM
point TP13(L)or TP14(R) and TP15(E).
Alignment voltage IC231 3-22pin is 0.00
±
0.05V
Cover
Voltage
Cover
Voltage
Tracking
T2002
Maximum
LOOP ANT
450KHZ
at 999kHz
LOOP ANT
E
13
24
12
1
1
E
E
E
E
E
E
E
E
E
B
B
C
C
B
C
B
C
X2451
C2457
L2151
L2153
D2466
L2451
C2451
C2301
XF233
D2103
J2507
D2153
Q2451
XF221
XF222
D2301
C2321
C2305
C2328
C2327
C2307
C2317
T2002
J2502
C2303
J2604
J2124
C2901
D2451
TCLK
T-DOUT
TCE
D2151
J2603
D2456
C2116
XF231
L_CH
R_CH
+8.5V
GND
J2501
J2129
J2500
IC231
J2506
J2118
J2104
R2109
VT
J2503
XF211
IC211
C2306
J2113
J2123
L2104
D2102
L2103
C2311
C2313
J2126
J2116
J2120
J2105
J2107
J2108
J2112
D2452
C2452
J2121
J2125
J2128
J2127
J2122
J2119
J2505
D2101
L2102
J2504
Q2201
J2115
J2117
J2609
J2114
J2508
J2110
J2111
J2608
J2607
J2606
J2605
J2109
J2602
J2101
J2102
J2103
J2601
J2600
J2100
CT252
J2610
TDO
J2106
CN202
D2453
C4821
C4825
C4822
CN445
Q4410
D4960
Q4963
Q4962
Q4961
Q4960
CD_R
CD_GND
CN4
8
IC443
C4701
C4702
C4551
C45
5
C4704
Q4700
C4833
C4603
L4602
Q4600
C4602
C4600
L4600
L4601
R4607
Q4603
R4601
+8.5V
J4315
J4503
J4605
J4502
J4305
J4304
J4306
J4626
J4628
J4311
J4314
J4
J4307
J4302
J
J4520
J4308
J4309
J4324
R4602
J4301
J4608
(R)REC SW
PACK SW
NC
(F)REC SW
PLUNGER
INI SW
MOTOR
PH1
GND
REEL
J4313
J4604
IC241
C2461
R2460
R2459
C2456
R2453
R2452
C2455
C2154
R2131
C2152
C2151
R2149
R2458
R2151
C2453
C
2454
R2455
C2304C
2
3
0
4
C2304
R2304
R2305
R2306
C2320
C2319
C2309
C2316
R2307
R2309
R2309
R2309
R2308
C2308
C2324
C2315
C2310
C2312
R2302
R2454
R2148
C2902
R2801
R2701
R2301
R2311
R2461
R2462
R2463
R2464
R2100
R2712
R2812
C2314
C2302
C2462
C2322
C2463
C2464
C2318
R2106
R2106
R2106
R2312
C2115
C2323
C2101
C2105
C2106
R2101
C2103
C2104
C2107 R2102
R2107 C2110
C2110
C2110
C2111
R2108
C2112
R2103
C2114
C2113
R2110
R2201
R2204
R2203
R2202
C2203
C2203
C2203
R2205
C2109
R2105
C2102
C2141
R4403
R4402
R4400
R4401
R4965
R4966
R4966
R4966
R4552
R4553
C4705
R4700
C4706
R4550
R4550
R4550
R4701
R4963 C4553
R4721
R4821
R4821
R4827
R4827
R4727
R4727
R4821
R4827
R4727
R4604
C4604
R4603
R4600
R4608
R4606
R4825
R4831
R4822
R4828
C4826
C4827
C4828
R4834
R4832
C4923
R4923
C4922
R4922
R4921
C4921
CT252
L2151
TP11
TP12
TP24 TP25
TP13
TP14
TP15
L2153
L2103
T2002
IC231
XF233
TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1710 kHz (9 kHz step)
520 - 1710 kHz (10 kHz step)
Antenna : 75
Ω
unbalanced , Modulation : 1 kHz
Dev. :
22.5kHz
RF LeveL
: dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
SG Modulation : 1kHz, 30%
Antenna : IRE Loop
RF Level : dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
