- 14 -
• Use a plastic screw driver for adjustments.
• MODE : STEREO
• Speaker impedance : 8
Ω
• TUNING
FM : 87.5 - 108.0MHz (50kHz step)
AM : 522kHz - 1611kHz (9kHz step)
SG RF Level : 75
Ω
open Voltage dB
µ
V
Antenna
: 75
Ω
unbalanced Direct, Modulation : 1 kHz
Dev.
:
±
22.5kHz(MONO)
±
22.5kHz(STEREO)
±
6.75kHz(PILOT)
Output Level : about 200mV at TP13,TP14,TP15
TUNER ADJUSTMENTS(UK,XE)
1 . F M
S t e p
Adjusting
Connection
S G
S e t
Adjustment
Remark
Circuit
I n p u t
O u t p u t
Frequency
Position
1
IF Alignment
FM ANT.
SG=66dBµV
IC231 3,22pin
TP24, TP25
98.0MHz
---
XF233
0.0 ± 0.05V
2
Cover
---
Connect Digital DC voltmeter
87.5 MHz
Low
---
More than 0.8V
voltage
---
to TP11(H), TP12(E).
108.0 MHz
High
---
less than 9.0V
3
Tracking
Connect FM SG to FM Antenna
Connect to VTVM
90.0 MHz
Low
---
(SG=8dBµV)
TP13(L) or TP14(R), TP15(E)
106.0 MHz
High
---
2 . A M
S t e p
Adjusting
Connection
S G
S e t
Adjustment
Remark
Circuit
I n p u t
O u t p u t
Frequency
Position
1
Cover
---
Connect Digital DC voltmeter
522 kHz
Low
---
more than 0.8V
voltage
---
toTP11(H), TP12(E).
1611kHz
High
---
less than 9.0V
2
Tracking
Connect AM SG to
Connect to VTVM
603 kHz
Low
L2151-a
Max.
Test loop Ant.(SG=80dBµV)
TP13(L) or TP14(R), TP15(E).
1404 kHz
High
E
E
20
24
E
LC72722N
1
E
T002 94V-0
1AD4B10D1141B
E
10
12
13
E
E
J2102
J2202
J2101
J2003
R2140
Q2140
B2101
J2105
C2102
R2120
D2151
U2101
L2151
R2202
J2104
R2101
XF221
Q2201
<GND>
J2204
J2004
J2203
J2201
J2103
J2001
J2002
CN201
TP2
TP1<VT>
CN202
C2113
(FROM CN499)
C2516
Q2502
J2142
C2505
C2503
X2501
J2041
R2803
Q2701
C2323
J2043
C2805
Q2801
R2520
R2703
C2705
L2502
L2501
IC251
J2140
CN241
+12V
5.6V
TU_R
A_GND
TU_L
TU_DO
TU_CE
TU_DATA
TU_CLK
RDS
DIST
J2040
J2243
J2146
J2145
J2144
J2143
J2044
J2141
D2451
J2242
J2241
J2045
J2240
D2467
C2311
C2313
XF233
C2303
XF222
J2010
C2302
J2012
C2317
R2309
R2302
C2301
XF231
IC231
C2321
C2328
C2327
D2466
C2305
Q2310
RCH
LCH
LA1844
C2307
J2113
J2110
J2219
J2115
J2218
J2114
J2013
J2014
J2216
J2213
J2212
J2111
C2306
J2210
D2301
R2311
R2301
C2901
L2503
J2214
J2215
J2011
J2112
J2015
J2016
J2217
J2116
0VADJ
J2133
J2232
J2132
J2131
J2130
L2451
J2032
D2452
J2030
J2031
C2452
J2033
C2457
X2451
IC241
C2451
D2453
LC72121
CE
DI
CLK
DO
J2134
J2039
J2038
J2230
J2233
DIST0
DIST1
DIST2
Q2451
J2234
J2231
J2034
C2465
R2151
C2152
C2101
R2141
C2140
C2130
C2125
R2153
C2151
R2204
R2201
R2203
C2
20
1
C2117
C2203
R2205
R2111
C2132
C2131
R2519
R2503
C2521
C2506
C2504
R2805
R2802
C2803
C2802
R2804
C2702
R2704
R2812
R2702
C2522
R2461
R2464
R2462
R2463
R2310
R2705
C2703
R2712
C2515
C2513
C2512
R2504
C2502
C2903
R2304
C2309
R2307
R2306
C2310
C2324
C2308
R2308
R2312
C2315
C2312
R2305
C2318
C2319
C2304
R2331
C2330
C2332
C2320
R2701
R2801
R2303
C2316
C2314
C2902
C2333
R2459
R2458
C2322
R2455
C2462
C2461
R2452
R2453
C2456
C2455
C2454
C2453
IC241
C2463
C2464
R2460
R2465
R2454
TP14(RCH)
TP15(GND)
TP13(LCH)
TP24
(IC231 3PIN)
TP25
(IC231 22PIN)
XF233
0V ALIGNMENT
FM SG IN
75 OHM
AM
LOOP ANT
TP11
(VT)
TP12
(GND)
L2151-a