DVR-3100-S
71
5
7
8
5
7
8
C
D
F
A
B
E
6. ADJUSTMENT
6.1 TUJB ASSY ADJUSTMENT
The solder land named
"AFT2" (upper side)
Q3901-Emitter
CN3003 Pin1
(AGC)
1.90V
±
0.20V
Note1
3.80V
±
0.20V
2
Terrestrial tuner input /through output.
Any channel, RF Input
≥
60dBu
System = B/G, I or D/K
Manual Adjust (in GUI of Manual Ch
Setting) = ON
Note1
Terrestrial tuner input
Ch = E9(203.25MHz), Video= Blackburst
RF Input = 60.0
±
1.0dBu
System = B/G, I or D/K
Note 1 : The adjustment spec. is defined without the thermal drift after the power on.
Therefore, start the adjustment at least 10 minutes after the power on.
No.
Adjustment Name
Adj. Point Measurement Point
Adjustment Value
Adjustment State
1
VCO freerun frequency (AFC voltage)
adjustment
AGC start point adjustment
L4002
VR3901
*
It is not necessary to adjust the ASSY normaly when exchanging the ASSY. But the adjustment is
necessary when exchanging the Tuner Module and IC3003 VIF/SIF IC.
4
1
5
8
1
4
5
8
1
1
2
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
18
1
10
19
1
10
15
1
1
19
1
2
3
4
5
7
8
9
10
12
13
14
15
18
1
15
1
2
3
4
6
1
10
20
30
35
1
32
11
1
12
22
23
33
34
44
12
14
1
7
8
1
8
1 2
13
+
-
R2101
R3949
X2271
IC2251
C2251
C2582
C2584
C2622
C2623
C2626
IC2581
IC2351
R2357
C2356
CN2006
C2801
C2803
C2813
C2811
C2807
C2812
C2810
C2804
C2802
C2806
C2642
R2305
R2303
CN2003
KN2003
KN2002
KN2001
R2361
C2254
JA2832
C2354
R2355
Q2351
R9004
R9005
R9006
R9007
R9008
C2107
C2108
C2109
JA2201
C2355
C2357
R2359
R2358
C2353
R2354
C2352
R2352
R2353
R2351
C2351
L2642
C203
R2356
C2815
C2814
R2251
R2252
C2253
C2252
C2553
KN2007
CN2005
R2048
CN211
CN2009
C2544
R2309
C2817
C2816
C2516
R2311
L2301
R2317
R2315
R2316
C2303
R2318
C2302
Q2306
CN2008
C2505
C2506
R3354
Q3344
L3344
L3343
R3351
R3357
Q3343
R3352
R3350
C3353
C3349
C3347
C3350
C3351
C3352
R3355
C3316
D3304
D3303
C3315
C3314
C3310
D3302
D3301
C3311
C3308
Q3342
R3348
L3342
R3346
L3341
R3342
R3345
R3344
Q3341
C3307
C3346
C3341
C3343
C3344
C3345
C3301
R3343
C3029
C3028
C3026
C3022
R3023
C3015
C3013
C3006
C3009
C3001
U3001
R3442
Q3407
R3435
R3436
R3432
R3423
C3419
R3424
R3420
Q3404
L3403
C3415
R3421
R3405
L3401
C3403
C3518
C3517
C3516
C3511
C3515
C3507
C3504
C3083
JA3081
C3552
C3554
C3555
JA3551
C3364
R3026
Q3006
L3005
C3427
R3561
Q3554
Q3556
R3304
C3354
C3355
CN3002
L3409
L3407
L3405
C3935
C3936
C3931
C3934
C3929
Q3915
R3937
R3941
C3932
C3930
C3933
Q3916
R3933
C3928
VR3902
F3903
R3909
VR3901
F3901
C3904
L4002
Q3099
R3099
R3098
L3098
C3099
C3201
R3908
R3931
Q3913
R3930
F3902
R3925
C3357
C3356
F3911
F3912
R3910
F3904
R3922
R3921
CN210
F3906
R3945
R3944
C4033
CN3001
L3099
R3935
R3934
R3942
R3915
R3356
R3349
Q3004
L3909
L3910
L3911
L3912
Q3906
C3010
R202
JA3582
Q4004
C4028
R4019
C4027
R4018
R4017
C4026
R4016
C4023
Q4003
C4022
R4014
R4013
R4012
X4001
R4015
C4024
R4011
C4016
C4015
R4010
C4014
C4013
C4012
C4011
C4019
C4020
C4017
Q4001
R4008
R4006
R4007
Q4002
C4009
C4008
C4006
C4007
C4004
C4003
C4010
R4003
C4001
R4005
IC4001
C4002
C3533
R3998
R2205
R3005
CN3003
R2108
C2204
R3597
C4032
R2301
R2058
R1000
R2059
ST2271
D3306
R3599
Q2640
C2640
R3457
D3305
R1001
C3641
IC2003
Q3565
Q3564
R3574
R3573
R2017
R2253
CN2001
CN2004
Q3451
R3643
R3642
C3642
Q3452
L3451
R3456
R3452
R3453
R3454
R3455
BT2271
R2254
CVBS2
WARNING
AFT2
ARM2T
TUJB ASSY
L`AFC
Adjust
AGC
FC DC
PC
1C
1V
3V
Adjust
CONTACT UPPER SIDE
Adjust
AFC
19
1
33
34
12
22
23
44
11
1
8
1
4
1
8
5
E
B C2
C B2 E2
V+5E
V+3.3SW
V+6SW
V+13SW
V+5VO
V+5VI
V+6SW
V+5M
V+5VO
V+5E
V+5VO
V+15E
V+5VI
V+15E
V+5VI
V+6E
V+13SW
V+6SW
V+37E
V+5TU
13
1
15
1
15
1
CMKD-P3X
35
1
2
8
1
21
1
34
1
1
1
19
25249.6 - PROPOSITION 65
HEALTH & SAFETY CODE SECTION
DEFECTS OR OTHER REPRODUCTIVE HARM.
OF CALIFORNIA TO CAUSE CANCER,BIRTH
CHEMICALS WHITCH ARE KNOWN TO THE STATE
AND CERTAIN ELECTRICAL PARTS CONTAIN
THIS PRODUCT CONTAINS LEAD IN SOLDER
8
1
5
4
1
32
12
1
7
8
14
-
+
TUJB ASSY
B
SIDE A
VR3901
L4002
Fig.1 Adjustment Points (TUJB ASSY)
CN3003 Pin1
AFT2
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
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