JVC AV-29WX14/G Service Manual page 39

CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/2)
CN00C
QGA2501C5-06Z
C778
D706 47/16
C777
MA8036-X
.1
R760
100
IC974
IC976
MM1561JF-X
MM1561JF-X
R978
Y981
3.3K
X
C986
C985
47/16 .1
Y973
C983 C965
X 47/16
.1
BL_GND
3.3V_STB
STB1
8V
A_VCC
A_GND
5V
12V
3.3V
NECK
H_DRIVE
HFB
ABL
EW
P_ON/OFF
VDRA+
VDRB-
PROTECT
VER_PROTECT
32V
TU001
QAU0383-001
TUNER
C101
R101 C111
.0047
10 470/16
IF C106
18p
C110
CF101 CH
R005
.1
NC X
75
32V L101
C001
QQLZ014-R82
.01
LOCK
L002 QQL244J-4R7Z
R107
5V
C004 4.7K
470/16 D101
BM 1SS268-X
R001 C003
220 .1
SDA
C107
.01
SCL
R002
220
AS Y007
X
Y003
BT
Y004
C005
0
.0022
AGC
Q103
∗
5
R004
27K
R006
G
X Q001
X
D S
G
Q002 Y005
D S
X 0
Y006
0
MAIN PWB ASS'Y (1/2)
SCW-1012A-H2 [AV-29WX14/G]
SCW-1025A-H2 [AV-29WX14/S]
SCW-1068A-H2 [AV-29WX24/L]
SCW-1013A-H2 [AV-2954W/E]
∗
DIFFERENCE PARTS LIST ( PARTS)
SCW-1012A-H2
∗
SCW-1068A-H2 SCW-1013A-H2
SCW-1025A-H2
IC701 TDA12027-ERAPF TDA12027-ERCMI TDA12027-ERU
NOTES) 1. Please refer to page 2-17 for voltages of this circuit diagram.
2. Please refer to page 2-18 for waveforms of this circuit diagram.
CN001
QGF1220C2-09
5V PROT
Q703 R779
∗
2 10K
SDA1
SCL1
R780 C789
R781
100K 47/50
4.7K
Q706
SSM3K02F-X
5V R755
D
V1.8A 1.2K
R796 R794
D707
G
0 ∗ 2.2K
3
S R740
C792 15K
.1
SCL0 Q708 Q705 D
∗
2 SSM3K02F-X
R761 100 SDA0
G
S
R795 Q707
R974 ∗
100K 1
1K
STB1
W-C
Q791
DTC124ESA-T
SCL0
SDA0 R793 100
Y791
X
PW
W-C1
R790
P_ON/OFF
1K
VssP2
R737
VssC4
3.3K L701
C701
1.8V *4
.22
CONT V1.8C4
L702 C702
1.8V *4 .22
V3.3A3
L703
*4
VrefP_Sdac
R738 W-A2
R792
Q704
10K
*1 X
CH VrefN_Sdac
VrefP_Sdac
STB1
IC701
∗
8V
VrefN_Sdac
A_VCC
VrefP_Sdac
C705
A_GND
3p
XtalIn
5V CH
C706
5V
3p
12V XtalOut
CH X701
L717
3.3V
*4 VssA1
R756
GND
NECK
NECK 100
NECK
H_DRIVE
CONT
HFB
CONT
C785
ABL
.22
V5P1
C707
EW C709
.1 .01
Ph2
P_ON/OFF
C710 R701
6800p 12K
VDRA+
Ph1
C708
VDRB-
100/16
Gnd1
PROTECT
C711
C712
VER_PROTECT 2.2/50 .22
SecPll
4.5/OTHER C713 10/50
Dec8G
3.58/OTHER
C714 .022
R702 100
EW
EW
C715 .001
VDRB- R703 100
SF102
VDRB-
QAX0731-001 C716 .001
MICRO COMPUTER/TELETEXT DECODE/
VDRA+
VDRA+
R704
100 IF VIDEO RGB SYNC DEF PROCESS
Vif1
Y008
X Vif2
C717
.047 /16
Vsc
SF101 C718
QAX0663-001 .1
Iref
R705
39K
GndIF
Sif1
Sif2
C719 .01
AGC
R706
C720
X 220
.001
EHT
R707
56K
R708
100K
R709
1M
D701
∗
3
SDA1
SCL1
R766
X
Q701
X
Y701 C722
R767
X
1n
X
CF702 CF701
X X
R663
X
R653
R664
R651 X
X
X
IC651
X
R654
X R657
X
R655
X
D651 C651
C652
X R656
X R652
X X
X
Y012 Y011 Y726
QUY160-100Y BW X
GND GND GND
No. YA104
FRONT CONTROL PWB
CN002
QGF1220C2-19
QJK002-083633
R753
1.2K
W-B1
L711
∗
V1.8ADC
C766 C765
.22 100/16
VssADC
C764
.1
V3.3A2
L710
∗
4
V1.8A
C763 L709
∗
.22 4
GndA
C761
C762
.1
100/16
RefAd
L708
V3.3RefAdP
C760
L707
.22
RefAdN
C759
V3.3A1
100/16
C758
.22
Bout
R735
R734
100
100
Gout
R733
100
Rout
C757 R732
560p 1k
BLKIN
CH
R731
1k
BCL
C756
.1
V5P3
Gnd3
C779
C753 C754
10/50 .1
.1
B3/Pb
C752
.1
G3/Y
C751
.1
R3/Pr
INSSW3
R782
1.2K
NC
R729
X
Uout/INSSW2
Yout
C780
.1
Ysync
C750
.1
Yin/G2/Y
C749
.1
Uin/B2/Pb
C748
.1
Vin/R2/Pr
V5Comb
C746 C747
.1 10/50
VssComb
R728
Hout
R727
FbiSo
R726 27K
SVM
R724 1K
R778 X
R722
LC701 X 470
Y703
0
R630
R631 2.7K
C657
X
Y601
X
C658
D603
X ∗
3
IC651
C659
X
X Y602 C607
BW 220/16
C654
R658 R659
C608
X X X
C653 220/16
X
R660 R661
X X
C660
CP650
X Y724 Y728
ICP-N38-Y
X QUY160-125Y
Y727 Y723
X X
GND GND
Y814 Y813
X BW
GND GND GND
2-5 2-6
CRT SOCKET PWB
CN00T
∗
D341 3
R341
∗
D342 3
0
∗
D343 3
R344
R345 Y303
Q341 0 0 BW
∗
2
D344
X
R343 D345
Y302
∗
0 3
X
R342
X
C341
220/16
R320 R321
X301
X X
X R319
X
C302 C316
X X
R307 C303 IC301 C315
X X
X X
R318
Q307 X
C314
R308
X
X X
R309 C313
X X
R310
X C312 CVBSO/PIP_GND
R312 X
X
Q305
X
Q306 C304 C311
4
X X X
L303
X
R314 C305 C310
X
X X
L302
R313
C309
X
X X
Y715
QUY160-100Y C306
X
C307
X
Y301
∗ C308
X
4 X
∗
4
K301
X
L301
X
Y716
0
D708
∗
3
L706
∗
4
K701
C755
QUY160-150Y
10/50
Y705
0
Y706
0
L716
∗
4
100
10k
R725 47
R723
IC601
470 AUDIO OUT
AN5277
D602
X
R617 C605
X .22
R632
1K
R629 2.7K R601 2.2K
C606
X R662 X .22
R602 2.2K
R607
R603 1K
2.2
1/2W
D601
∗
3
Y603
R612
QUY160-075Y
R611
100K
8.2K
R615
Q603 Q604
Q601 X X
∗ Q602 DTC323TK-X
2 ∗
2
Q606
X
R608
C609 R610
X R609
33/16 100K
27K
Y009
QUY160-100Y
Y010
QUY160-150Y
R623 R620
Y604
R621
33K 10K
2.2K
R622 Q607 Y711
∗
10K 1
Q608
Y719
∗
1
Y720
R616 C613
R624 QUY160-125Y
X 10/50
68K
Y721
Y722
GND GND
No. YA104
C1_GND
R816
C1 75
S_V_DET
5V
12V Y801 R801 Y819
0 75 BW
LC801
X
Y1/CVBS1
Y_GND
Y802 S1
0
J801
L304 QNZ0454-002
X V1
5V VIDEO-1
VDO_DET
S-VIDEO
C317 R802
INPUT
X L1 0
L1
D801 Y818
CVBSO/PIP
MA8091/H/-X 0
R1
R1
R803
0
GND
D802
MA8091/H/-X
BASS
J805
X
3.3V A_GND
D810 R804
Y803 X ∗
LC802 8 150
V2/Y QQR1199-001 V2/Y
V2/Y_GND
Y804 X Y816
0
R805
Y805 X
LC803 75
PB QQR1199-001 J802 J802
PB_GND QNN0349-002 QNN0349-002
Pb
VIDEO-2
Y806 X D811
∗
8
COMPONENT
Y807 X
LC804
PR QQR1199-001 INPUT
Pr
PR_GND
R806
75
Y808
X
D812
∗
8
SCL1
Y817
SDA1 0
L2
L2
NECK
J803
D803
QNN0348-001
MA8091/H/-X
R2
R2
PB
PB_GND
V2/Y D804
MA8091/H/-X
V2/Y_GND
PR
PR_GND
5V
R807
R808 C804
100
X 470/16
1/2W
R809
0
V_OUT R815
75
D813
Q801
X
KTA1267/YG/-T J804
C809
QNN0349-001
X
L_OUT R811 82K
C802 OUTPUT
R_OUT 10/50
C803 R812
10/50 390
R813
82K
Q803
DTC323TK-X
Q805
∗
2
C661
220/16
NOTE
X : NON MOUNT
0 : NRSA63J-0R0X
BW : QUY160-050Y
K107
∗
QQR1114-001Z 1 : 2SC3928A/QR/-X
Y717
∗
Y725 QUY160-075Y
2 : 2SA1530A/QR/-X
BW X Y712
Y815 0 ∗
BW X Y713
3 : MA111-X
0
∗
0 K601 Y714
4 : NQL092K-100X
BW
QQR1114-001Z
Y718 ∗
K702
5 : UN2212-X
0
X QQR1114-001Z
∗
0 6 : UN2112-X
GND GND ∗
GND GND
7 : KTC3199/YG/-X
∗
8 : MA8091/H/-X