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Input
Output
IC231 3-22Pin
TP24,25
TP11 (H)
TP12 (E)
90.0MHz
106.0MHz
Input
Output
1
IF
Adjustment
Loop Ant
IC231 19Pin_DCCUT
(TP26)-GND
522kHz
XF231
Maximum
603kHz
1404kHz
< 9.0V
L2102
Loop Ant
SG=80dBµV/m
Maximum
TP13 (L)
TP14 (R)
TP15 (E)
FM Ant
SG=8dBµV
---
Max.
Confirm voltage is > 0.8V.
Confirm voltage is < 9.0V.
3
Tracking
522kHz
---
TP13 (L)
TP14 (R)
TP15 (E)
L2151-a
TP12 (E)
1710kHz
Remark
2. AM
Step Adjusting
Circuit
Connection
SG
Frequency
Adjustment
108.0MHz
Tracking
3
2
Cover
1. FM
Step Adjusting
Circuit
Connection
Remark
SG
Frequency
2
Cover
Voltage
---
TP11 (H)
IF
Adjustment
1
Adjustment
---
0.0±0.05V
1.1±0.1V
FM Ant
SG=66dBµV
87.5MHz
98.0MHz
XF233
TUNER ADJUSTMENT
Antenna
: 75
Ω
unbalanced direct, Modulation : 1 kHz
Dev.
:
±
22.5kHz(MONO),
±
22.5kHz(STEREO),
±
6.75kHz(PILOT)
RF Level
: dBuV EMF
Output Level : about 100mV at TP13, TP14, TP15
Anntena : IRE Loop(SG), Moduration : 1kHz 30%
RF Level : dBuV EMF
Output Level : about 100mV at TP13, TP14, TP15
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
• Speaker impedance : 8 ohms
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1710 kHz
24
20
13
12
10
1
24
20
13
12
10
1
IC241
LC72121M
LC72722
IC231
LA1844
TA8176S
SH201
94V-0 F01
TP11(H)
TP12(E)
0V ADJ
R2303
1AD4B10D2210C
12V
X2451
D2301
L2503
R2101
L2103
C2301
C2122
XF231
CN203
CN201
IC211
XF233
B2101
D2102
D2101
XF222
XF221
L2101
L2102
C2311
C2317
R2113
C2465
C2327
C2307
C2303
R2311
C2328
R2301
R2455
D2452
C2901
L2451
C2451
L2151
XF211
CN241
5.6V
TU-R
A-GND
TU-L
TU-DO
TU-CE
TU-DATA
TU-CLK
RDS
NC
C2457
D2103
CAN
C2121
R2111
IC241
IC231
C2123
C2101
R2106
C2103
C2102
C2104
C2126
R2104 C2105
R2102
R2103
C2112
C2109
C2108
C2106
R2112
C2107
C2111
D2104
C2151
C2152
R2151
C2131
C2130
R2303
C2312
C2310
R2309
R2308
C2320
C2319
C2309
C2316
R2307
R2302
C2304
C2302
C2321
C2306
R2306
C2322
C2452
C2330
C2453
C2454
C2462
C2464
C2463
C2461
C2117
R2114
C2455
R2452
R2453
R2304
R2305
D2451
Q2451
R2465
R2454
R2459
R2711
R2811
R2463
R2464
R2462
R2461
C2902
C2314
C2308
C2315
R2153
C2113
C2305
C2456
CAN
C2318
D2151
R2458
R2460
XF233 TP26 XF231
L2102
L2101
TP25
TP24
TP12
TP11
L2151-a
TP14
TP13 TP15