Advertisement
TUNER ADJUSTMENTS(UK,XE)
• 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)
C2130
C2125
J2105
FM SG IN
75 OHM
AM
R2140
LOOP ANT
B2101
C2131
1 . F M
S t e p
Adjusting
Circuit
1
IF Alignment
SG=66dBµV
2
Cover
voltage
3
Tracking
Connect FM SG to FM Antenna
(SG=8dBµV)
2 . A M
S t e p
Adjusting
Circuit
1
Cover
voltage
2
Tracking
Connect AM SG to
Test loop Ant.(SG=80dBµV)
C2117
C2203
R2205
R2202
C2101
R2204
R2203
E
Q2201
U2101
C2317
J2013
R2201
C2310
C2318
J2003
Q2140
R2101
C2140
J2002
R2141
E
J2001
R2153
L2151
C2113
C2152
R2151
J2101
J2102
J2110
XF231
TP2
<GND>
TP1<VT>
TP12
TP11
(GND)
(VT)
SG RF Level : 75Ω open Voltage dBµV
Antenna
Dev.
Output Level : about 200mV at TP13,TP14,TP15
Connection
I n p u t
O u t p u t
FM ANT.
IC231 3,22pin
TP24, TP25
---
Connect Digital DC voltmeter
to TP11(H), TP12(E).
---
Connect to VTVM
TP13(L) or TP14(R), TP15(E)
Connection
I n p u t
O u t p u t
---
Connect Digital DC voltmeter
toTP11(H), TP12(E).
---
Connect to VTVM
TP13(L) or TP14(R), TP15(E).
C2314
R2458
J2134
J2038
J2039
C2322
R2459
C2464
J2133
IC241
C2311
C2453
J2115
Q2451
IC241
LC72121
C2324
R2312
J2012
C2452
C2308
R2309
C2456
LA1844
IC231
J2011
C2302
R2305
D2466
C2330
R2304
C2333
J2016
C2306
Q2310
C2327
0V ALIGNMENT
: 75Ω unbalanced Direct, Modulation
: ±22.5kHz(MONO) ±22.5kHz(STEREO) ±6.75kHz(PILOT)
S G
Frequency
98.0MHz
87.5 MHz
108.0 MHz
90.0 MHz
106.0 MHz
S G
Frequency
522 kHz
1611kHz
603 kHz
1404 kHz
- 14 -
CN241
R2460
J2146
C2462
C2463
J2145
DIST2
J2144
J2132
CLK
C2461
J2143
J2131
DI
J2130
CE
J2230
DO
C2502
J2243
X2501
1
J2141
L2451
J2242
R2503
C2504
J2241
J2043
LC72722N
E
C2705
C2805
R2704
E
24
C2702
C2802
RCH
R2804
R2702
R2802
R2801
R2803
R2701
C2803
C2328
R2310
J2040
J2045
J2041
LCH
C2323
L2503
: 1 kHz
S e t
Adjustment
Position
---
XF233
Low
---
High
---
Low
---
High
---
S e t
Adjustment
Position
Low
---
High
---
Low
L2151-a
High
D2451
J2240
J2044
J2142
12
10
C2506
R2504
C2512
C2513
IC251
20
13
C2515
R2519
J2140
Remark
0.0 ± 0.05V
More than 0.8V
less than 9.0V
Remark
more than 0.8V
less than 9.0V
Max.
Advertisement
