JVC AV-29LS2 Service Manual page 7

MAIN PWB CIRCUIT DIAGRAM (1/2) [AV-29LX2, AV-29LX2
J805
X
BASS
ROTATION
ROTATION
VIDEO3(R)
GND
VIDEO3(L)
GND
GND
GND
VIDEO3(V)
GND
12V
9V
TO
GND
FRONT CONTROL
5V_STB
PWB CN001
3.3V_STB REMOTE
NC KEYIN
KEYIN ECO
ECO
LED
LED
NC
B.MUTE
B.MUTE R821
NC L2 2.2k
NC
A_OUT_L
NC
A.GND Y2
REMOTE
A_OUT_R
REMOTE R2
CN001
R824
QGF1220C2-25
2.2k
CN00A
QGA2501C5-03Z
C1
V1
J801 R801
∗ L1
QNN0349-001
R813
Y1
2.2k
R818
C Y Y1
R1 2.2k
R802
C1
∗
R803
NOT 33K
SW1
EXIST
SW1
R832
390
V1
V1
R804
75
VIDEO 1
L1
INPUT R833
330
L1
R1
R1 W-K1
CHT31KK0-20-N
W-K
Y2
Y2
J802 R805
QNN0349-002 75
CN01D CN02D
C801
WJQ0003-002A 10/50
CB
Cb
R806
75
COMPONENT
D801
(VIDEO 2) MA3120/M/-X
CR
Cr
INPUT
R807 C802
75 10/50
D802
MA3120/M/-X
L2
L2
J803
QNN0348-001
R2
R2
C823
100/16
Q804
9.0V
∗7 R837
BUFFER 100
J804 VOUT2
QNN0349-001
R836 5.0V
4.4V
75
Vout
R838
C822 120
470/16 QRK126J-121X
LOUT2
OUTPUT Lout
R808 R809 C803 D803
82k 390 10/50 X
R811 C804
10/50
390 ROUT2
Rout
Q801
R810 D804
0V DTC323TK-X
82k X
-0.6V OFF_MUET
0.2V
0V
0V
Q803 0V
∗9
Q802
-0.6V
DTC323TK-X R812
0V
100K
MAIN PWB ASS'Y ( 1/2 )
SCH-1095A-H2 ( AV-29LX2, AV-29LX2
SCH-1104A-H2 ( AV-2968TEE )
, AV2968TEE]
/A
IC801 7 IC801 23 IC801 27 IC801 37
0.96Vp-p(H) 2.0Vp-p(H) 2.0Vp-p(H) 2.0Vp-p(H)
C814
NCB31CK-104X
R829
IC801 R831 R830
75
2.2K 2.2K
MM1492AF
R826
R820
4.9V 100
100 4.3V
V2-V
V3-L
4.3V
C810 NCF31AZ-105X C815 1/10
4.9V
V2-L NCF31AZ-105X
V3-V
R823
4.9V
C811 NCB31CK-104X 100 4.3V
V2-Y
V3-R
MY
C812 NCF31AZ-105X 4.3V
3.4V C817
V2-R Cout2 1/10
NCF31AZ-105X
4.9V
9.0V
V2-C
Vcc
C813
0V 3.4V
.01
S2
Yout2 C833 C824 C825
C805 R815
5.3V 22/50 100/16 .01
NCB31CK-104X 100 4.4V
V1-V
BIAS
C807 1
4.3V
NCF31AZ-105X 5.1V VOUT2
V1-L Vout2 YOUT1
C806 R817 D815
5.4V 4.2V
X MY X X LOUT2
V1-Y
Lout2
C808 1
4.3V 4.2V
NCF31AZ-105X ROUT2
V1-R
Rout2
R819 D816
C809
X X 4.9V 5.4V
X
V1-C
Yin2
7.1V
0V
S1 GND
C819
NCB31CK-104X 6.0V 4.9V
MTV-V Cin2
R835
C821 1 4.4V 0V
5.6k
MTV-L MUTE
R840
NCF31AZ-105X
4.3V 2.4V QRE121J-221Y
MTV-R
SCL
R834 C831 4.9V
C820 1 2.5V
5.6k .01
NCF31AZ-105X STV-V SDA
C830
4.3V R839
.01 0V
STV-L QRE121J-221Y
GND
C829
4.3V
.01 4.1V YOUT1
STV-R
Yout1
R842
5.7V
4.2V 0 LOUT1
Yin1
Lout1
CR
0V 3.4V
COUT1
ADR
C827 Cout1
.01 4.9V
4.2V ROUT1
Cin1
Rout1
0V R841
5.0V
GND 0
Vout1
C826
.1
CB
COUT1
IC602
C308
.01
NJW1136G-X
C647 R621 R622 C625
.47 .47
0 4.5V 4.5V 0
IN1a IN1b
4.6V 0V
C646 C626 R304 R306
SR-FIL LF1
.1 .033 2.2K 5.6K C301 TDA9181T/N1-X
.1
4.6V 0V
C627 NCB31CK-104X
C645
SS-FIL LF2
.1 .047 Q302
4.5V ∗9
5.3V 2.3V
C628 1.7V
C644 TONE LF3
.0022 -Ha .022
4.6V 4.5V
C643 C629 NCB31CK-104X 1.5V
TONE TONE R301 R303 R305 0V
.1 -La -Hb 4.5V .0022 2.2K 5.6K 2.2K
4.6V C302
C642
TONE C630 .1
OUTw
R629 X .1 R630
-Lb 4.6V
1K 4.6V 1K C303
C641 C631
C309 X
OUTa OUTb
4.7/50 4.7/50 2.7V X
2.0V
1.4V 0V L301 220
C648 R623
C640 AGC1 AGC2 QQL244K-221Z
.015 .33 C649
47K
4.9V .015 0V
R626 1K 0V R302 Q301 C304
C632
I/OTH CVA 2.2K ∗9 .01
4.7/50
R628 10K R627 1K 0V 3.3V R308
C633
A MUTE CVB R317 100
4.7/50 QRL029J-101
1.9V 3.0V
C634
PORT0 CVW
4.7/50
1.9V 3.9V R315 C312 R314 Q307
C635
X X X X
PORT1 CTH
4.7/50
0V 3.9V
C636
ADR CTL D301
R625 Q306 Q305
4.7/50 MTZJ5.1B-T2
100 X X
2.5V 0.5V
C637
SDA CSR
4.7/50 C310
R624 X
2.4V 4.5V C638
SCL VREF
4.7/50
100 R316 C313 R313 R312 C314
0V 9.0V
X X X X
GND Vcc X
C639 C311
W-YOUT1 W-YIN1
X
100/50
IC650
AN5277
W-I
C651
R667 X
100/50
W-I1
C652
C657 1/50
X
C650
1
R651 10K
R652 10K MUTING
Q684 0V
∗9 R653
0.3V -0.9V
100K 0V
Q683 -0.8V
∗9 Q686
0V 0V Q685 -0.7V
MUTING
POWER OFF DET MUTING
0V DTC323TK-X
DTC323TK-X
9.0V 0V
R693
X
C681 R689 Y603
220/16 9.1V R694
X 0
X
C682 R691
Q687
220/16 1K
X
Y602
D657 R692 0
∗3 MUTING
R688
D654 X
27k R695
X
R662
) 33k
/A
R660 17.7V 0.6V
0V
10k
R665 R661 0V
Q660 0V
X 68k
∗10
No.52062
AV-29LX2 AV-29LX2
AV2968TEE AV2968TEE
Y601
0
C619
C620 C621
X
X X
C618
X
C617
X
7.4V
CAPL_M
AHVSS
C616 0V
X
AGNDC
0V
C615
NC NC
X
0V
NC NC
IC601
0V X
NC NC
MULTI STANDARD SOUND PROCESSOR
0V
C601 SC1_IN_L
X
0V
C605 SC1_IN_R
X
C613 0V
X VREFTOP
0V
C612
MCNO_IN
X
0V
AVSS
C614
X
L602
X
C834 C607
C606
CH 180p C611 X
X
X
9.0V
R843 C608
2.9V C610 C609 X X601
820 Q860
X X
∗10
2.3V
R844
2.2K
R845
1K
V
L731 100
QQL244J-101Z
SCL
SDA
R848
R846
220
2.2K
7.4V
6.8V
Q861
∗9
1.7V
R847 R849
10K 470
R880 R882
180 L701 10
2K
QQL244K-100Z
7.5V
6.9V
Q862 C729 CN00C
∗9 R790
47/16 QCA2501C5-06Z
27
1.8V
R883
R881 R714 R715
470
10K 100 100
2.3V
Q701
∗9
SCL
Y301 Y303 D703 D702
X BW BW BW MA3036-X MA3020-X
SDA
Y302
X
R713
IC301 100
W-YIN W-YOUT
R710
4.7K
0V 1.4V
CIN COUT
4.8V
0V
INP OUT
SEL SEL
1.5V R311 R709
12K 4.7K
V2IN YOUT
C712 R712
0V 0V
100
47/16
GND GND
4.9V 1.5V C305
VDD V1IN .01
0V 0V
VCC SYS1
0.5V 3.0V
Q304
SCP SYS2 ∗10
R309
0V
0V 0.7V 47K 0.6V
FSC FSC
SEL CH 0V
C306
.1 R310 C307
NCB31CK-104X
47K 33p R701
100
Q703
R725
X
10K
R708
Y702
R307 4.7K
BW
10K
0V
R707
3.0V
Q303 4.7K
∗8
0V
L
R654
R
10K
D656
X
L001
8.2
QQL244K-8R2Z
Q688
C002
X 10/50
TF
R696
R006
0
75
C684
15K 10/50
C001
.01
R663
10k
R664
2.2k
0V
Y101
CN00F Y102
Q661
∗10 QGA2501C5-03Z
C662
10/50
2-9 2-10
IC130
C133
M52342SP
100/16 R143
470 Q136
∗10
RF AGC EQ Q137
∗10
DLY
C134
APC .01
AFC
R142 R141
560 1.8K
R602 V OUT
RF AGC R144
5.0V X C132
OUT C136 22
RESETQ
C140 .01 .01
V IN Vcc.F
1.4V .01
C602 C137 R145
TP NC X .01 820
C141
VCO
0V .01 V IN
Y604 C135
DVSS X 47/25
L601
GND VCO
5.0V X
C138
DVSUP C142 .01
S IN Vcc
1.4V C603 .01
TP_CO NC X
C604 Q132
X C143 R147 AGC.F SIF OUT ∗10
1.3V R146
10/50
NC NC 100 10K R135
LC601
SIF SW 560
1.3V X FM FB
TP NC
FM OUT SIF IN
1.3V
R148 R134
TP NC 3.3K 1.8K 1.5K
1.3V C144
TP NC .022
R603
2.4V X
I2C_DA
2.4V
I2C_CL L102
R150 R151
QQL244K-180Z
R604 Q108
X X
X ∗10
9.1V R115
0V 470
Q150 C150
6.3V X X
Q106
4.1V 0V ∗9
3.1V
2.5V
2.9V
R152 R153 R116 Q107
X X X ∗8
0V
C151 R154 CF103
X X
QAX0639-001Z
4.5MHzTRAP
Q105 9.0V
∗10 4.7V
4.0V
Q110
4.7V
∗8
R113 R112
0V
1K X
0V
0V
CN00T
QCA2501C5-06Z
L702 10 C707
QQL244K-100Z 100/16
C743
100/16
R716 C702
10K 10/50 D732
∗3
R746
3.0V
D701 33k
Q702 ∗3
3.3V
∗9
R747 C742
0V
3.0V 10k .1 R744
R717 560
X701
10K
QAX0737-001
C750
Y701
X
C745
.047
R733
MICRO V/C/J
IC701
∗
80%
CH
C731
.22 C740
QQR1214-001Y
2.2/50
L730
BW
C733 C736
1/50
.1
C732
100/16 NCB31CK-104X
2.6Vp-p(H)
C720 R727
5.0V
47/25 100K
Q720
N3.58/OTHERS
∗9
5.0V
R728
C105
0V 10K
.0047
R726
SF102
L101 4.7K QAX0731-001
QQLZ014-R82
R107 C106
R102 R104 4.7k
18p
6.8K 180
C104
.0047
C101 9.0V
2.3V
R109
.0047
2.2k
C109 SF101
3.0V 0V
R101 1.5V QAX0325-001
10/50
10
R103
2.7K R105
22
C103 0V
Q102
.0047
R106 ∗8 C107
.01
100
C102 R108
.0047 2.2k
R110 Y001
X 0
Q101 D101
2SC5083/L-P/-T DAN235K-X 0V
2.9V
Y004
0V Q103 C108
X
X X
R003
3.9K
R005 C005
27K .0022
NC R004
C006 220
33/16
TU001 ∗ ∗
DIFFERENCE LIST ( PARTS )
QAU0185-005
BW
IC701
BW
SCH-1095A-H2 TDA9386N22S0868
SCH-1104A-H2 TDA9365N23S0874
No.52062
CF140 5.5MHz BPF
QAX0695-001Z
CF141 6.0MHz BPF
QAX0696-001Z
CF142 6.5MHz BPF
QAX0697-001Z
R139 R137 R136
2.2K 10K 4.7K
R138
470
Q133
C131 C139 ∗9
R149
.01 .01 470
R140
1.5K
Q135 R155
470
∗8
Q134
∗8
Q138
∗8
R132 Y130
R130
2.2K 0
4.7K
R131
470
Q130
∗9 Y003
C130
X
Q131 .01
∗8
R133
Y002
0
CF131 CF130
X 4.5MHz BPF
QAX0642-001Z
R114
1K
0V
4.2V
0V
R117 R111
10K
1K
Q104
∗9
4.7V
4.2V
Q109
∗8
0V
2.9V
0V
12V
ABL
D733
∗3
R745
1M
HFB
D730
X ∗3
27K
D731
∗3
IC701 21
1.2Vp-p(V)
IC701 22
1.3Vp-p(V)
K705
4.5/OTHERS
(BK MODELS ONLY:I/II)
IC701 33 IC701 42
0.9Vp-p(H)
IC701 47
IC701 43
0.5Vp-p(H) 1.4Vp-p(H)
IC701 51 IC701 52
3.2Vp-p(H) 2.7Vp-p(H)
IC701 53
3.7Vp-p(H)
NOTE
∗
3: MA111-X
∗
7: 2SC1740S/QR/-T
∗
8: UN2212-X
∗
9: 2SB709A/QR/-X
∗
10: 2SD601A/QR/-X
BW: BUS WIRE
X: NON MOUNT (OPEN)
0: NRSA63J-0R0X