JVC HM-DH30000U Service Manual page 90

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4.16 DIGITAL (D-VHS IF) SCHEMATIC DIAGRAM
TO HOST
D_REC_L
5
TO DMAIN
DAOUTA
DISCRIA
VCO19ACTL
ADCKA
TO HOST
PB_PLL_A
C401
4
TO DMAIN
DAOUTB
DISCRIB
VCO19BCTL
ADCKB
DAOUTREF
TO DMAIN
TSINCLK
TSINCLK_MUTE
TO HOST
PB_PLL_B
DIVCLK
TO DMAIN
3
TO DMAIN
AINA
AINB
SW3.3REC
RECCLK
RECDATAB
RECDATAA
2
TO HOST
AT_ON
TO DMAIN SW12V
SW5V
TO
SW3.3V
VIDEO IF
GND
5 0 DIGITAL (D-VHS IF)
1
A
IC402
TLC2932-X
LOGVDD VCOVDD
SELECT RBIAS
IC401
OPEN VCOOUT VCOIN
FINA VCOGND
R417
OPEN
FINB VCOINH
R401 R402 R419
PFDOUT PFDINH
OPEN OPEN OPEN
LOGGND NC
OPEN C402 C403 R418
OPEN OPEN OPEN
IC404
TLC2932-X
LOGVDD VCOVDD
SELECT RBIAS
IC403
OPEN VCOOUT VCOIN
FINA VCOGND
R449
OPEN
FINB VCOINH
R433 R434 R451
PFDOUT PFDINH
OPEN OPEN OPEN
LOGGND NC
C419 0.1 C420 C421 R450
OPEN OPEN OPEN
B403
OPEN
L409
10µ
C436 T
C437 C438
0.1
22 0.01
/6.3
R465
IC405
390
SN74LV74APW-X
Q418
2SC4081/QRS/
OPEN
B404
L412
10µ
C446 0.1
T
C447 C448
22 0.01
/6.3
R481
IC406 390
TC7SH04FU-X
Q423
2SC4081/QRS/
B C
Note : The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts , refer to the Parts List.
L401
L402 10µ
10µ
R407 R409 R414
470 470 10k
Q402
UMT2N
C410 C411
47 0.01
R405 /6.3
10k
C407
R412
R403 47
0Ω
/6.3
R404
2.2k R413
0Ω
100 R406
100
R499
Q403
OPEN
UMX2N
R408
C409
2.2k
1µ
C408 R497
0.01 0Ω
C404 C405 R410 R411
0.1 OPEN 1.5k 1.5k
R498 C412
Q401 OPEN
0.1
DTC114EUA-X
R416
OPEN
B401 0Ω
B402 0Ω
L405
10µ
R439 R441 R446
470 470 10k
C427 C428
47 0.01 Q410
/6.3 UMT2N
R437
10k
C425
R435 47 R444
/6.3 0Ω
R436
2.2k
R445
0Ω
100
R438
R500 100
OPEN Q411
UMX2N
R440
2.2k
C422 C423 C426
R442 R443
0.1 OPEN 1µ
1.5k 1.5k
C429
0.1
R448
OPEN
TO DIGI SUB2
WR14
OPEN
J14
R466
FL401
15k
10MHz
NQR0336-001X
R467
0Ω
C439
LPF LPF LPF
0.1 C441
L410
0.01
OPEN
R469
R468
330
56k
C440
OPEN R470
2.7k
Q419
DTC114EUA-X
TO DIGI SUB2
WR15
OPEN
J15
R482
FL402
15k
10MHz
NQR0336-001X
R483
0Ω
C449
LPF LPF LPF
0.1
L413
OPEN
R485
R484
330
56k
C450
OPEN R486
2.7k
Published in Heiloo Holland
D
4-33 4-34
R424
10K
Q405 Q406
R415
2SC3930/C/ 2SC4081/QRS/
10k
R425
1k
R421
C414 R429
10k
0.012 470
C416
R420 0.1
Q408
2SA1532/C/
3.9k
Q409
2SC4670
Q427
UMT2N
Q407
2SC3930/C/
C415
1µ
R432
75
R422 R423 R426 R430
4.7k 470 680 1k
R431
Q404 100
UMT2N
R427 680
L403 C413 R428
15µ 6p 1k
R456
10K
Q413 Q414
R447 2SC3930/C/ 2SC4081/QRS/
10k
R457
1k
R453
C431 R461
10k
0.012 470
C433
R452 0.1
Q416
2SA1532/C/
3.9k
Q417
2SC4670
Q428
UMT2N Q415
2SC3930/C/
C432
1µ
R464
75
R454 R455 R458 R462
4.7k 470 680 1k
R463
100
Q412
UMT2N
R459 680
TO DIGI SUB2
L407 C430 R460
15µ 6p 1k
J13
WR13 OPEN
L411
10µ
R473 R476 R478
100 1k 33k
R474
100
C444
0.1
Q421 <2125>
2SA1532/C/
Q422
2SC3930/C/
C442 C443
47 0.01
/16 R471 R475 R480 C445
Q420
330 5.6k 75 OPEN
2SC4081/QRS/ R477 R479
470 5.6k
R472
680
L414
10µ
R489 R492 R494
100 1k 33k
R490
100
C453
Q425 0.1
<2125>
2SA1532/C/
Q426
2SC3930/C/
C451 C452
47 0.01
/16 R487 R491 R496 C454
Q424
330 5.6k 75 OPEN
2SC4081/QRS/ R493 R495
470 5.6k
R488
680
E F
29/11/2016
L404
OPEN
TO DIGI SUB2
WR11
J11
J12
WR12
OPEN
C417
C501
OPEN 47/16
C418
OPEN
L408
OPEN
C502
C434
47 /16
OPEN
C435
OPEN
TO D-PRE/REC
CN601
CN401
REC_DATA_A
GND
PB_DATA_A
GND
TO D-PRE/REC
CN603
CN402
REC_DATA_B
GND
PB_DATA_B
GND
p20183001a_rev0.1
G H