Adjustment; Tumj Assy Adjustment - Pioneer DVR-310-S Service Manual

5

6. ADJUSTMENT

6.1 TUMJ ASSY ADJUSTMENT

* It is not necessary to adjust the ASSY normaly when exchanging the ASSY. But the adjustment is
No. Adjustment Name
Stereo Decoder ATT adjustment
1
(Input system adjustment)
Stereo Decoder Wideband
2
adjustment (Input system adjustment)
Stereo Decoder Spectral adjustment
3
(Input system adjustment).
Note 1 : The values for channel separation is defined as those having passed through the following filters :
100Hz – 10kHz : +0/–0.5dB
15.75kHz – 100kHz : -40dB or more
Note 2 : The adjustment No.2 and No.3 should be repeated 2 times for good adjustment.
(Steps : No.1 → No.2 →No.3 →No.2 →No.3)
B
TUMJ ASSY
C2626
JA3081
JA2201
W445
525P
W444
V+5VO
C2623
C2622
W443 V+13SW
CN2006 W446 ASPECT
KN2001
GND
W410
C3518
W553
W409 GND
GND
W365
C2548 W367
CN2007
W364
GND
W363 V+6E
W368
V+6E
GND
W366
W326 GND
W325
V+6E
GND
W551
W329 GND
W324 GND
GND
W552
W328
XDLRST
W252 GND W255
W259
V+5M
W250
VPP W258
W254
W257 XDLRST
HSTtoM GND
W249
W261
ASCK
W248
SSMtoT
W251 W491
HSMtoT
W488 W492
SSTtoM
W217
W214 GND
GND
W223
GND
W215
GND
W219
GND
W213
GND
W216
W180 GND
W182 FANPWM
GND
W181
X2001
W179
W147 GND
GND
W152
W148 V+5M
W146 PGM W151 GND
W150 GND
W155
W149
V+5M
W131
W122 GND
W133
GND
W123 GND V+5M
W125 GND
W106
KN2003 CN3002
W105 V+6E
CN2004
1
1 2
15
15
1
1
Contact Upper Side
5
6
necessary when exchanging the Tuner Module and IC3105 stereo decoder IC.
Adj. Point Measurement Point Adjustment Value
Audio ouput (L)
VR3101
(Rear panel)
Audio ouputs (L/R)
VR3103
(Rear panel)
Audio ouputs (L/R)
VR3102
(Rear panel)
14
9
5
1 2
7 8
8
2
13 12
4
3 10
1
9
2LOUT
W480 CN3581 W482
W483
W479 JA3551
W452
1LOUT
W454
W455
W453
W421
TEXTV
W424 GND
W385 GND
W554
A
W381 GND
GND
W379
C2353
W263 V+5E
V+5VO
W262
W278
W267 XDLRST
W222 GND W281
GND
GND
W264 SDET2
W266 W279
V+5M
W260 W269 W275 V+13SW
W227 V+5VO
W225
V+5M GND
W235
XDLRST
W230
W232
W224 GND
W231 P.CONT W233 MRST
GND
W226
P.CONT
W234
W228 GND
PCMOUT
W550
CN2009
W185 GND
V+5E
W193
W192 XRESET
W190 RSTCTL W191
GND
KEY2
W187
W186
W188 KEY1
GND
W184 GND
GND
W189
X2351
W163 W164
V+5M
V+5M W166
FLPON
W162
W165
GND
GND
W161
GND
GND
W136
V+5M
W141
GND
V+6E
CN2001 THIS PRODUCT CONTAINS LEAD IN SOLDER
AND CERTAIN ELECTRICAL PARTS CONTAIN
13
CHEMICALS WHICH ARE KNOWN TO THE STATE
OF CALIFORNIA TO CAUSE CANCER,BIRTH
13 DEFECTS OR OTHER REPRODUCTIVE HARM.
HEALTH & SAFETY CODE SECTION 25249.6
- PROPOSITION 65
Fig.1 Adjustment Points (TUMJ ASSY)
6
7
465mVrms ± 23.25mV
Best point of separation
≥30dB Note 1
Best point of separation
≥25dB Note 1
14
5
1 2
7 8
15 18 13 12 15
4
3 6 10
9
11
2ROUT
W484 1Y
JA2832
W459 SDET3
GND
3C W465
W460 W463 3R
W458 1C W464
W456 2C
W461 1V
W462
SDET1
3V
W457
W427
YVSEL1
W428
GND
W430
W426 V+5VI
W429
GND
W422
W431
W425 BSIN
C3310
B
W383 SYNC
W386 Y
GND
W388
L3341
GND
W387
W384 V+5VI
W391 BSIN
W487
W395 V+6SW
UVIN
L3343
CN2005
10
IC2581
1 19
1 19
W199 V+13SW
CN2003
W195 GND
W194 GND
W196
GND
C2505
GND
W143
GND
W142
GND
W118
WARNING
DVR-310-S
7
Adjustment State
Input a signal of Mono 1kHz/100% modulation
to terrestrial tuner input. /through output.
Input a signal of Stereo 300Hz/30% modulation
(NR-ON/L ch only) to terrestrial tuner input.
Note 2
Input a signal of Stereo 3kHz/30% modulation
(NR-ON) to terrestrial wave input. /through output
Note 2
SIDE A
3
18 2 1
7
V+9
VR3103
C3917
INPUT
W476
LEVEL
V+5TU
ADJUST
W436
VR3101
GND W437
V+9
W435
GND
W432
VR3101
W434 C3108 C3101
GND
W397
V+9
W401
W399 BS_LIN
W402
W352 GND
GND SEPA
ADJUST
V+9
W353
VR3102
SPECTRUM
VR3102
FC DC B
Q2561
A
PC
V+18E
W241
V+6E Printed side
W242
W243 V+37E
ACP-BS
IC2581
W244 V+13SW
W208
GND
W210
GND
CN3001
32 32
CN2008
1
1
W211 GNDA
1 1 19 21
W212
GND
W209
GND
W207
8
A
B
C
C3013
KN2002
W442 GND
C3001
C3022
V+5TU
W405
C3029
D
C3009
W407
GND
W360
JUST
W359 TUON
W357 V+9
W358
GND
GND
W361
W321 GND
W322
GND
W323 V+6E
W247
IC2581
KN2004
Printed side
E
F
61
8