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TUNER ADJUSTMENTS
L2353
R2328
C2325
D2330
J2002
D2103
L2353
L2351
CAN
CAN
CAN
L2351
T2001
CT252
R2103
R2103
R2103
C2413
CAN
T2001
C2002
R2002
1. FM
Step Adjusting
Circuit
Input
Cover
2
Voltage
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.
VT
J2103
C2412
R2330
C2317
CT252
CAN
R2426
CAN
T2405
CAN
R2408
R2408
R2408
C2409
C2409
C2409
J2005
C2907
C2402
C2405
C2407
C2407
C2407
IC211
C2406
R2403
R2417
C2104
C2201
Q2418
C2213
J2203
C2107
R2429
R2102
C2222
C2211
Q2101
J2110
R2003
C2410
U2001
Antenna
: 75Ω unbalanced, Modulation : 1 kHz
Dev.
:
RF Level
: dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
Connection
Output
---
TP5 (H)
---
TP6 (E)
Anntena
: IRE Loop(SG), Moduration : 1kHz 30%
RF Level
: dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
Connection
Output
TP5(H )
---
TP6(E)
TP9 (L),TP7 (R) ,TP8 (E)
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
TP5
• Speaker impedance : 6 ohms
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1611kHz (9kHz steps)
TP6
J2007
J2008
J2201
R2416
R2316
C2327
Q2509
E
J2202
CAN
Q2510
E
C2518
J2012
CAN
R2513C2511
R2513
R2513
C2519
R2521
R2422
C2501
X2503
IC222
J2204
J2013
C2502
J2108
R2802
J2206
R2606
R2606
R2606
R2604
R2604
R2604
R2607
Q2803
E
J2111
R2801
C2805
R2709
R2803
Q2804
J2210
22.5kHz(MONO),
22.5kHz(STEREO), 6.75kHz(PILOT)
SG
Frequency
87.5MHz
108.0MHz
SG
Frequency
450KHz
---
at 999kHz
522kHz
1611kHz
603kHz
1404kHz
- 2 -
520-1610kHz (10kHz steps)
X2901
D2901
L2902
C2903C2902
C2903C2902
C2903
C2902
L2901
CN231
RDS_DA
IC223
RDS_CLK
ST
GND
+5.6V
C2908
PLL_DA
PLL_CLK
PLL_PRI
+8.5V
TU_L
C2906
GND
TU_R
C2802
C2802
C2802
L2801
1AD4B10D2520C
T002A 94V-0
Adjustment
Remark
---
1.37±0.50V Check Only
---
6.80±0.50V Check Only
Adjustment
Remark
Maximum
T2001
1.00±0.05V
L2353
---
7.20±0.50V Check Only
L2351
Maximum
CT252
TP9
TP8
TP7
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