D-Pre/Rec Schematic Diagram - JVC HM-DH30000U Service Manual

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4.13

D-PRE/REC SCHEMATIC DIAGRAM

4 3
D-PRE/REC
5
4
L607
R683
TO
75
DIGITAL(D-VHS_IF) Q644
CN402
CN603 C660 R682
C659
150
GND
100 /6.3 0.01
PB_DATA_B
GND
REC_DATA_B R706
75
C670 0.01
C673
IC607 CXA1211M
VCC
C689
3 0.1
GND
R703
1k
R702
1k
R748
22k
R700 10k R696
Q649
2
R690
10k
Q647
2SC4670
R686
470
C663
0.1
1
A
TP616
R710
PB_DATA2
R707 1k
18k
Q657
C674
1000p
C675
1000p
Q658
100µ
R681
0
L608
100µ
C672 100 /6.3
C654 C655
100 /6.3 0.01
C690 OPEN
1
L606
100µ
C688
0.1
C671
0.01
Q655
Q654
L605
100µ
C693
0.01
Q653
C669
0.01
R701
15k
R697 R698
1k 470 R699
1k
470
C667 0.1 C668 0.1
C646
Q650 R694 Q651 Q652 R695
100
100
C665 C666
R692 R693
1 R691 1
10k 6.8k
6.8k
Q648
2SC4670
R687 R689
39 (±0.5%) 39 (±0.5%)
Q645 R688 Q646
2SC3936/BC/ 470 2SC3936/BC/
C664
0.1
C661 C662
1
1
B C
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
Q665 Q667
Q669
R731
OPEN
D605
D606
R732
OPEN
Q666 Q668 Q670
R718
TP606
R719 1M
R724
1.5k PB_DATA1
1k
Q663
R721
C682
C676 18k
Q659
0.01
0.01
Q661
C680
D604
D603
Q660 1000p
C681
1000p
Q662
R715
C678
1.5k
C679
0.01
R714
100
1k
/6.3
R717
1M
D601
TP112
TP111
A/HS2_FF
VIDEO/STD/HS1_FF
C619
C618
100 /6.3
0.01
C656
0.01
C620
L601
0.01
100µ
C651 C653 C610 C615
0.1 0.1 0.1 0.1
Q641 Q642
C614
1
C652 1 C611
1
C647 0.01 C604
0.01
1
C645
C644 R670 C602
C601
0.1
0.1 1k 0.1
0.1
R668 R607
470 470 R608
R669 470
470
Published in Heiloo Holland
D
4-27 4-28
R735
OPEN
Q673
Q672
Q671
R733
OPEN
R734
OPEN
L609
100µ
R728
10k
Q664
C639 0.01 C641
IC606
0.01
CXA1211M
C643
1
VCC
C687 C686
0.1 0.1
GND
R661 Q633
1k
Q631 Q632
R659 1k R660 1k
C691 R747 22k
R746 22k C692
0.01
0.01
Q629
C617 Q630
C637
0.1 C638
0.01
0.01
R656
15k
R655 C634 R657
0.1 C635 0.1
10k 10k
C616
R651
R649
R650
1k 470 1k
R652 470
Q625
Q623 Q624 R646 Q626 R647
100
R640
C631 R641 C632
C603 10k 1 6.8k 1
0.1
R635 1M
R609 Q618 R642 10k R643 6.8k
2SC4670
470 R634 R637
(±0.5%) R636 510
R633 470 39 39 (±0.5%)
Q615 Q619 Q616
2SC3936/BC/ 2SC4670 2SC3936/BC/
C628 C629
0.1 0.1
C626
C625
1
1
2SC4081
4 4 4 4 4 4 4
2SA1576
4 4 4 4 4 4 4
DTC144W
4 4 4 4 4 4 4
DTA144W
4 4 4 4 4 4 4
1SS355
4 4 4 4 4 4 4
E F
29/11/2016
TO
MAIN(SYSCON)
CN3011
CN605
R736 10k
HS_RECST[H]
R737 0
A/HS2_FF
HS2_ENV.
R738 1k
D_REC_LEV2
SW5V
GND
R739 1k
D_REC_LEV1
D/HS1_ENV.
R740 0
V/STD/HS1_FF
R741 10k
CH1_RECST[H]
R742 10k
CH2_RECST[H]
R743 0
D_REC[L]
R744 0
DVHS[L]
R745 0
HS[H]
L603 100µ
Q614
R629 TO
R627 DIGITAL(D-VHS_IF)
75
0 CN401
CN601
R628 C623
C624
150 GND
100 /6.3
0.01
PB_DATA_A
GND
C640 100 /6.3 REC_DATA_A
R664
75
C642 0.01
R658 15k
C636 0.1
R653
1k
R654 470
Q627
Q628 R648
100
100
C633
1
R644 10k R645 6.8k
R639
R638 470 39 (±0.5%)
Q620 Q617
2SC4670 2SC3936/BC/
C630
0.1
C627
1
p10329001a_rev0
G H