JVC AV32H20EUS Service Manual page 36

MAIN PWB CIRCUIT DIAGRAM [2/2]
AM
R009 *
SIF
R008 *
SCL1
SCL
R006 *
SDA1
SDA
TU1_AFC
AFC
RF AGC
VTV1
VIDEO OUT
5V
L003
4MHz C009 10
.1/16
IN
C010
IFIN 10/50
GND
IF1
NC NC QQL244K-100Z
L002 10
32V
TU2
C006 C007
4MHz
.01/50 10/50
OUT
L001 27
5V
K001
NQR0389-003X
NC NC
C004 C005
.1/16 1000/16
R005 100
SCL
R004 100
ADR
C003
BT
X
AGC
AGC
R002
C002 R001 R003
10/50 X X X
TU001 C001
.0022
QAU0276-001
MAIN PWB
(2/2)
SMF-1401A-U2
(AV32H20EUS)
SMF-1402A-U2
(AV28H20EUS)
(AV28H20EUB)
All manuals and user guides at all-guides.com
C105
C155
10/50 3.7V 0V 0V 0V
.001
C122 C156
C123
CH CH .001 CH CH .001
.001
C106
.1/16 8V
C124
0V
10/50
CAPL_M
0V
C125
AHVSS
10/50
0V
AGNDC
R155
Y102 C153 C126
X
X 1/10 80% .1/16 0V
SC2_IN_L
0V IC101
80%
SC2_IN_R
C154
R157 R158 MSP3415DQGB3GHX
1/10
X R156 0 NC ASG1
C151
0
MULTI SOUND PROCESSOR
1/10
MAIN_L
80% 1.6V
SC1_IN_L
R151 100 C152 1/10
MAIN_R 80% 3.7V
SC1_IN_R
R154
R153 100
X C127 2.6V
R152 VREFTOP
10/50
X C128
.1/16
MONO_IN
80%
3.7V
C129
1/10 AVSS
L101
K101
0 NQR0389-003X
4.9V 1.4V 0V 2.2V
1.4V
QRN143J-0R0X
CH CH
C102
C120
10/50 C117 C118
2p
.01 .01 C119
C101 2p
X101
.1/16 CE42546-001Z
8.9V
R105
R103
Y101 BUFFER
*
*
C111 * Q102
6.5V
.01 R102 *1
* Q101
2.7V 5.8V
*
2.1V
AMP
R104 R108
*
C130 C116 1k
.0047
10/50
R106
330
R661
R681
X
X C662
C671
X
X
C690
C108
*
68p CH
R663 Y677
R662
X IC662
X
X R664
BA4558F-X
10k
C675 LPF
Y678
47/25
X 4.5V
R665 R646
4.5V
10k 0 R648
4.5V
X
R667
18k
C678
CH 15p
80% R666
Y673
C673 47k
X
C664 Y682 1/10
C640
X
X X C672
R691 C659
C676
Y683 Y672 R670
X X X
C665 X CH 150p 0 100k
X
R692
C643 C660 R645 R636
X
X X 0 X
C674
4.5V IC662
R617
R600 R669
1/10 R690
X X 18k
X 4.5V
C666 C667 4.5V
X 80% R668
X
47k
Y668
C679
Y663 Y675
X 15p
X X
C677 Y674
R671
150p 0
100k
CH
R699
X Y661
X
Y664
0
Y665 D628
0 X
Y684
X
C668
X
C627
IC664
X
X
5V REG
C669
X
Y662
C670
X
X
Y679
X
CN008
X
DOLBY PWB
No.51945
AV32H20EUS AV32H20EUS
AV28H20EUS
AV28H20EUS
AV28H20EUB
AV28H20EUB
Y611
X
1.6V MSP_RESET
RESETQ
R111 100
C121
NC NC .01
4.8V
L102
DVSS
LC102 4.7
4.8V NQR0431-001X QQL244K-4R7Z
Y610
DVSUP
X
K102
TP
NC
NC NC
C104 Y604
Y603
100/16
0 0
TP C103
NC
.1/16
K102
TP
NC NQR0389-003X
CENTRE
TP
NC
R110
100 SDA2
3.6V
SDA
SCL2
SCL 4.8V
R109 Y613
Y612
100 1/50
1/50
4.8V
18.432MHz
C107 .1/16
GND1
Y681
0
A_GND
AUDIO_MUTE
AMP_MUTE
D_MUTE
IC663
NJM2150AM-X BBE
R161
R159
0
0
4.4V
LIN RIN 4.4V
R160
R162
X
4.4V X
HPF(L) HPF(R)
A_M-VCC
R672 4.4V R679 Y666
22k 22k X
CR1(L) CR1(R)
A_GND
C681 4.4V
C684
.0033 C694
4.4V .0033
BPF(L) BPF(R)
X
R673 R680 POWER BASS
4.4V
27k
27k Y616
4.4V A_M+VCC
CR2(L) CR2(R) X
C682 4.4V C685
IC665
.033/25 4.4V Y669
LPF(L) LPF(R)
Y617
4.4V .033/25 R684
0 0 X
0 C695
R674 R675 C686
4.4V
LOUT ROUT 0
X 10k 1/10 80%
4.4V 4.4V CH
R682
0V
H H/L VREF C687 R693 4.4V R601 Y601
X
10/50 27k
4.4V X
4.4V
8.9V
0V IC665
R676 L H/L Vcc C688 R689
R677 R685
X 47/25
10k X
BBE 4.4V
0V GND 4.4V CH R602
ON/OFF
10k
R695 C692 X
X
R694
4.4V
C683
C689 X C697
47/25
.1/16
X R683
C693
X
X POW_ON/OFF
C691
R686
* X
Y618
X
Y670 0
4.4V
Y620 R687
IC665
0 POWER BASS
X
80%
Y621 CH
C680 R688
0
1/10 X C698 R603 Y602
4.4V
27k
R656
IC665 0
4.4V
X 4.4V
4.4V R659
R604
X
4.4V 10k
R696 CH
X
R657 C658
C657
X X
X
C696
R658
X
X
9V+
BBE_ON/OFF
-9V
2-7 2-8
C638 C639
X
X
R655
0
R654
0
R631
C613
X
X D626
R647
X
X
R632
IC601 TA8246AH
X
IC604 POWER AMP
Vcc
C614
C626 X
X R633
AMP(HP)
X
X
Y676
GND
0
R634
X
R635
C615
X
X
C L GND R MUTE
D627
0.1V 2V 2V 0V 8.5V 0V
X
C617
X
C618 C616
Q603 1/50 1/50 C628
X 100/50
MUTING
C632
.22/50
R637
2.2 1/2W
QRK126J-2R2X
D609 X
Q602
D610
*3
*2 MUTING
Q601 *2 Q604
POWER ON/OFF DET DTC124EKA-X
Y614 D602
R609 MUTING
*3
X C159 X
4.9V 5.3V 100k
C600
D611 22/50
D629 C606 R605 *3
4.8V Q605
X
220/16 47k D612 DTC124EKA-X R618
33k
X MUTING 25.4V
C607
Q607
220/16
*6
25.4V
R610 Q606 R639
R606 *1
Y615 6.8k 560
D614
X 27k MUTING
*3
0V
D613 R619 0.1V R620
X
100k 5.6k
D617
Y688
*3
0 D615 Vcc
*3
D616
X
IC602
X POWER AMP
Y623
0
R621
X
Y685
0
Y686
X
C622 CH
X
C608
X
C609
X
Q608 Q609 X
X
D603 X
R611
R626
X D618 X
D605
R612 X
D606
X
Y619 X
X
X Y680
X
X
D630 R613
D607
X X
X Q610 X
D608 D604
X X R614
X
R615
Q612
X IC603 POWER AMP
X
X
C610
D601
X
X
Q611
R608 X
X
INV.
C158
IC605
R697 9V REG X
R627
X
X
X
Y622
X X C611
R164
C601 X R641
X C623 X X
C602 R616
X
X X
IC606 R630
C625 C624
R698 -9V REG X
X X X
X
R629 Y687
C612
C603 CH X X
C604
X
C605 X
X
X
No.51945
J001
K602 QNN0296-001
CE42681-001Y
L
R642
C646
Q617 680
.01
0V
DTC323TK-X R650
MUTING 10k R
-0.1V
K601
CE42681-001Y
Q615
R643
*2
680
0V
MUTING C647
.01
0V 1.2V
Q616 R651
DTC323TK-X 10k
R644 MUTING
100k
Y607 Y605
0
X
Y606
Y609
D619 C648 X CN00S
0
1000/35
MA3330/L/-X X
NC
QETM1VM-108 GND
GND
SC_OUT
C649
D620 Y608
1000/35
MA3330/L/-X QETM1VM-108 0
R Vcc Vcc_G C L
R L
12.3V26.1V 0V 0V 12.4V
C C650
80% 80% C641 X
C629
.22/50
80%
80% 80% D621
C642
.22/50 X
80%
R649
2.2 1/2W
QRK126J-2R2X
R638
X
C634
2200/35
QETM1HM-228
SMF- SMF-
1401A-U2 1402A-U2
QAU0276 QAU0276
TU001
-001 -001
Q101 *1 *1
Y101 X X
R006 100 100
R008 0 0
R009 0 0
R102 0 0
R103 2.2k 2.2k
R104 1k 1k
R105 560 560
NOTE
X : OPTION(NON MOUNT)
BW : IM-BW
0 : NRSA63J-0R0X
*1 : 2SC2412K/QR/-X
*2 : 2SA1037AK/QR/-X
*3 : MA111-X
*4 : MA3120/M/-X
*5 : DTC124EKA-X
*6 : DTA124EKA-X
*7 : 2SC1740S/QR/-T
*8 : 2SA933AS/QR/-T
C157 X
R623
X
R640
X Q614
X
R163
X
R607
C621
X
X CN111
C655
X
X
TWEETER
R652
GND
X
D622
SP-L
X
C651 GND
X
SP-R
C652 GND
C636
X D623 C656
TWEETER
X X
X
GND
C653
C637
X
X D624
X R660
C654
X
X
D625
R653
X X
C644 C645
X X
Q613
X
MUTING