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TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
• Speaker impedance : 4 ohms
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1710kHz(9 step)
520 - 1710kHz(10kHz step)
TP15
TP13
J2202
C2029
C2027
J2301
CN204
J2114
L2007
Q2110
J2302
R2128 R2127
J2303
Q2111
L2006
Q2102
R2129
R2205
L2005
J2123
C2311
C2311
C2311
J2307
R2210
J2308
TP14
1. FM
Adjusting
Step
Circuit
Input
IF(0V)
1
FM Antenna SG=66dBuV
Adjustment
Cover
2
Voltage
3
Tracking
FM Antenna
2. AM
Adjusting
Step
Circuit
Input
IF
1
Loop Ant
Adjustment
Cover
2
Voltage
3
Tracking
Loop Ant
CD PICK-UP MAINTENANCE
About pick-up (Optical lens) Cleaning
Clean a lens with swab of the cotton which moistened it with alcohol, cleaning paper or cleaning disc appointed.
Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..... manufactured by SANYO.)
Show a clean procedure in the following in reference by swab of cotton.
1. Cotton swab is wrapped with Cleaning paper.
2. Add the isopropyl alcohol.
3. Gently move the tip of cotton swab just like a draw a whirlpool from inside to outside on the surface of lens.
TP12
T2002
J2113
Q2101
E
T2002
T2001
R2105
C2207
R2104
C2108
J2118
E
C2103
J2209
R2106
R2106
R2106
C2102
E
XF212
C2101
C2101
C2101
IC211
J2124
R2101
C2701
C2111
C2112
C2119
C2120
C2120
C2120
R2303
R2303
R2303
R2701
R2701
R2701
R2302
R2302
R2302
C2118
IC211
T2001
Antenna
Dev.
RF Level
Output Level : about 30mV at TP13, TP14, TP15
Connection
Alignment voltage IC211
3-22pin(TP24,25) is 0.0±0.05V
---
Connect Digital DC voltmeter to
---
TP11(H), TP12(E).
TP13(L), TP14(R),
Anntena
RF Level
Output Level : about 30mV at TP13, TP14, TP15
Connection
Connect Sweep generator to test
point TP13(L), TP14(R) and TP15(E).
---
Connect Digital DC voltmeter to
---
TP11(H )and TP12(E).
Connect to VTVM
point TP13(L), TP14(R) and TP15(E).
L2204
CT211
R2901
TP11
D2102
R2117
J2201
VT
Q2201
J2116
J2117
C2019
C2010
J2305
J2119
R2010
J2210
L2002
R2009
C2003
Q2001
E
C2121
C2017
C2008
R2007
J2126
J2127
C2012
TP25
TP24
: 75Ω unbalanced direct, Modulation : 1 kHz
: ±22.5kHz(MONO), ±22.5kHz(MAIN), ±6.75kHz(PILOT)
: dBuV EMF
SG
Frequency
Output
98.0MHz
87.5MHz
108.0MHz
90.0MHz
TP15(E)
106.0MHz
: IRE Loop(SG), Moduration : 1kHz 30%
: dBuV EMF
SG
Frequency
Output
450kHz
at 999kHz
522kHz
1710kHz
603kHz
1404kHz
- 2 -
S2001
CT211
R2900
R2900
R2900
L2204
C2141
MW ANT
C2902
C2902
C2902
L2205
D2004
D2005
C2140
C2009
J2121
L2001
D2003
D2002
C2014
C2014
C2014
C2022
C2022
C2022
R2003
C2002
R2001
C2001
C2001
C2001
C2015
IC201
U
C2011
C2011
C2011
C2005
C2024
L2003
CN203
L2002
L2205
Adjustment
Alignment voltage IC211
T2002
3-22pin is 0.0±0.05V
L2002
1.00±0.05V
---
5.30±0.50V Check Only
---
---
Adjustment
T2001
L2205
1.00±0.05V
---
7.50±0.50V Check Only
L2204
CT211
CN201
D2105
Remark
Maximum
Remark
Maximum
Maximum
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