JVC AV-T2922, Руководство по обслуживанию

Страница: 44 / 46

AV-T2922 AV-T2922
No.51917 No.51917
4
4.9V 4.9V
4.9V
4.2V
4.8V 0V
0V
2.1V 2.2V 2.2V 2.2V 2.2V
0.7V 4.9V
0V 0V 0V 4.9V 4.9V 0V 0V 0V 4.9V 2.3V 4.5V 4.5V
0V
1.9V
4.5V
0.1V
4.5V
0.1V
5V
11.9V
8.9V
11.9V
0V 0V 0V 0V 0V 0V 0V 4.4V 0.8V 1.7V 0V 0V 2.4V 4.9V 4.9V 4.9V
4.9V 4.8V 4.9V
4.9V 2.4V
4.9V 4.9V 0V 5.9V 12.7V
12.5V -3.1V
9.8V
10V 0V 2.1V 21.5V
10.7V
1.2V 1.2V
0V
0V
-0.1V
0V
0V
0V
14.1V 4.9V 4.9V 4.9V
2.5V 4.5V 4.5V 4.6V 0V 0V 0V 0V 0V 9.1V 6.5V 2.5V 2.3V 2.2V 0V 2.4V 2.5V 5V 4.4V 1.3V 4.5V 1.9V 8.9V 2.5V
9.1V
3.4V
0.1V
4.4V
0V
4.5V 4.6V 4.6V 2.8V 5.2V 1.1V 4.6V 5.2V 4.5V 4.5V 3.1V
2.4V 2.5V 4.6V 4.6V 4.6V 4.6V 4.6V 4.6V
4.6V
4.6V 4.6V 4.6V 4.6V 4.6V 4.6V 4.6V 4.6V 4.4V
3.6V 0V 0V 3.8V
9.1V 3.8V 4V
2..9V 2..1V 0V 2..3V 2..3V 1.7V 1.7V 2.2V 5V 2.7V 4V 4.8V 2.3V 2.2V 2.1V 1.5V 2.6V 5.1V 0.7V 5.3V 2.3V 4.5V 0.5V 4.4V
0V
0V
0V
9.1V 4.9V
9.1V
3.4V
2.8V
7.1V
4V
3.4V
2.3V
6.4V
1.7V
9.1V
1.5V
0.9V
1.5V
3.4V
2.1V
4.9V
4V
4V
2.2V
9.1V
0V
2.1V
2.1V
4.7V
1.6V
1.4V
1.4V
2.8V
1.5V
4.2V
9.1V
1.7V
1V
4.9V 9.1V
0V
32.2V
4.5V
4.5V
4.5V
4.5V
4.5V
4.5V
0V
0V
0V
0V
0V
0V
12.8V
12.7V
12V
0.5V
0.1V
129.4V 0V
129V
129.4V
11.2V
0V
0.5V
0V
11.2V
12.2V
17.4V
2.1V
8.9V
8.4V
8.7V
0V
0V
18.5V
158.4V
2.3V
IC251 8
2.3
TP126
1.2
IC701 1
5
IC701 2
5
IC201
34 33
42 45
31 4
12 13 14
0.6 0.7
0.8 1.5
1 5
3.2
3.4 4
RU3YX-LFC4
D948
BW
Y911
1000/25
C952
REAR AV JACK
QNN0086-001
J001
82
R006
OPT
R718
1k
R721
150p
CH
C717
OPT
D655
8.2K
R626
OPT
C954
0.01
C101
SW TRANSF
CETS090-001J8
! T921
B1
1.8k
R102
100/16
C652
X_RAY
BT
5.6k
R101
18k
R620
TUNER QAU0229-001
!
TU001
OPT
C003
4.7 L003
10/50
C001
2SC5083/L-P/-T
Q101
18
R104
27
R105
100
1/2W
R103
9V
0.01
C651
OPT
R624
OPT
C610
OPT
R623
OPT
D708
BW
Y704
4.7k
R952
OPT
FR720
47/25
C709
P
CN00P
560p
QCZ0122-561
C953
OPT
C721
0.01
C102
3.3k
R776
22k
R678
22k
R679
22k
R680
0.22
L101
22k
R681
OPT
C103
0.01
C104
0.01
C105
5V REG & RESET
L78LR05E-MA
IC703
0.01
C011
100/16
C712
0.1
MY
C710
0.01
C711
BW
L703
OPT
L002
MICRO COMPUTER
M37267M8-100SP
IC701
4.7
L701
47k
R735
*2
Q761
68k
R737
8.2
L704
4.7
L702
0.1
MY
C714
15p
CH
C715
47p
CH
C716
100/16
C713
*5
D632
OPT
R693
0.22
TF
C618
*5
D633
QAX0324-002
SF101
M52342SP
IC101
OPT
R114
15
L001
47/25
C008
47/25
C009
470/16
C007
OPT
C006
OPT
C005
OPT
C010
OPT
C121
OPT
L112
OPT
R117
68
R116
.47/50
C120
680p CH C119
0.01 C118
*11
D805
47/25
C117
0.01
C113
1k
R749
47k
R736
*5
D704
0.01
C114
47/25
C111
N
CN00N
6.8k
R727
0.01
C112
6.8k
R725
*2
Q701
0
R703
*5
D701
0.001
CH
C701
22k
R702
10k
R704
56k
R701
1000p
C703
9V REG.
AN78L09-T
IC292
OUT IN
*2
Q702
0
R708
OPT
C702
10k
R707
10k
R709
MPX
CNMPX
56k
R706
OPT
C201
820
R201
10/50
C719
1k
R202
100/16
C202
*2
Q201
470
R220
*11
D801
1k
R742
1k
R744
1k
R746
100
R740
3.9k
R743
3.9k
R745
3.9k
R747
0.01
C124
OPT
C122
820
R203
0
L201
0.01
C123
68p CH
C205
6.8k
R731
MEMORY
AT24C02-T2922AR
IC702
0.01
C722
10/50
C252
680
R204
BW
L706
BW
L707
47/25
C653
0.1 MY
C654
4.7/50
BP
C655
BW
L708
6.8k
R729
1/50
C656 1k
R651
2.2/50
C657
.47/50
C659
68k
R682
0.1 MY
C660
0.1 MY
C673
1/50
C663
3.3/16
TAN
C662
HP
VP
3.3k
R655
15k
NRVA02D-153X
R658
18p
CH
C707
22p
CH
C708
MTZJ5.1B-T2
D945
BW
Y945
47k
R631
*1
Q631
*6
D255
AN7805F IC001
IN OUT
C CN00C
0
Y701
10/50
C684
6.8k
R677
82k
R674
82k
R673
5.6k
R738
*6
D256
3.3k 1/2W
R929
10k R163
*6
D692
10/50
C255
100/16
C256
10/50
C251
470
R135
1k
R692
OPT
C206
1k
R131
0
R162
OPT
C162
*6
D691
*6
D253
47.25MHz
QAX0349-001
CF001
OPT
L202
OPT
R221
390k
R111
0.22
C116
3.3k
R161 10/50
C161
330k
R112
100p
CH
C765
560 R004
560
R003
10/50
C691
OPT
!
LF902
0.1 275VAC QFZ9072-104
! C902
ERZV10V621CS
!
VA901
.1 AC275V
QFZ9072-104
! C901
ICP-N50-Y
! CP942
STB12V
100
R113
QCZ9075-471
!
C981
470p AC250V
1k
R774
DEG
CNDEG
OPT
R933
OPT
R218
OPT
C930
3.3k
R951
BW
D944
39k
3WOMR
R902
10k
R950
RGP10J-5025-T3
! D922
STR-F6654
!
IC921
470/35
C924
10k
1/2W
R924
2SA933AS/QR/-T
Q921
2200p 2KV
QCZ0325-222
C921
BW
K922
OPT R927
1.5k
1/2W
R926
*5
D924
0.0022
MY
C926
0.001
MY
C925
1k
1/2W
R925
RGP10J-5025-T3
! D921
*9
D923
4.7 1/2W
R932
OPT
C923
OPT
D926
QQR0582-001Z
K921
OPT
R930
OPT
C929
330/400
QEZ0371-337
!
C906
GSIB460
! D901
!
C905
! C904
.0047 AC250V
QCZ9074-472
! C903
4.7 15W
QRF154K-4R7
!
R901
OPT
R694
!
RU3AM-LFC4
D941
K941
560p 2KV
QCZ0325-561
C941
100/160
QEZ0203-107
!
C942
K942
RGP10J-5025-T3
!
D942
560p
QCB32HK-561Z
C943
470/16
C944
680
1/2W
R921
0.15 2WMFR
R922
8.2M 1W
QRZ0057-825
! R981
470p
QCS31HJ-471Z
C922
ERROR AMP
SE130N
!
IC941
*2
Q202
0.1
MY
C928
*5
D928
.0022 AC250V
QCZ9075-222
! C982
K923
1k
R164
SFSH4.5MCB
CF161
*2
Q161
47p
CH
C163
47p
CH
C164
1.5k
R205
22
L161
*6
D657
*6
D656
330
R132
CF131
0
R510
OPT
C949
BW
Y908
QCZ0122-391 C931
1.2 2WMFR
R961
22k
R942
1.5k 1/2W
R943
LOW-B SW
2SA966/OY/-T
Q941
*5
D943
3.3k
R945
10k
R944
10/50
C947
12k
R946
82
QQL26AK-820Z
L941
1.2 2WMFR
R962
OPT
(1/2W)
R963
100/16
C961
2SA949/Y/Z1-T
Q961
47k
1/2W
R965
22k
1/2W
R966
MTZJ7.5A-T2
D961
2.7k
1/2W
R964
47/50
C962
BW
Y907
BW
Y906
BW
Y905
OPT
C955
ICP-N75-Y
!
CP941 Y910
OPT
C956
OPT
C815
1k
R775
*2
Q131
*5
D927
TLP621/GR/
!
PC921
1.5k
R948
OPT
C908
*2
Q942
100/25
C946
QQR0676-001
! LF901
BW
K924
3900p
C693
OPT
C909
3900p
C694
100/16
C296
100/16
C294
BW
R947
10/50
C215
OPT
Q602
RGP10J-5025-T3
! D903
QAD0101-9R0
! TH901
68 15W UNFR
QRF154J-680
R905
QCZ9075-471
OPT
R758
0.15 2WMFR
R923
68k
R170
*2
Q944
OPT C927
*2
Q943
15k
R949
BW R928
QQL26AK-820Z
L942
BW
D702
1000/16
C945
0
R959
*6
D254
BW
L113
*9
D929
OPT
C512
*5
D631
47/25
C631
6.8k
R732
560
R722
*5
D634
270
R134
1k
R133
1k
R691
CE42142-222Z
EF301
10/50
C692
0.1
MY
C706
1k
R761
1/50
C761
220p CH
C762
15k
R762
0.001
C763
*5
D713
10k
R741
CELT001-209J3
T111
OPT
C295
10k
R714
*11
D802
0.01
C166
1M
R764
1.2k
R765
1k
R766
B1_GND
.47/50
BP
C766
*4
Q703
220K
R715
39
L301
0.022
C677
470p
C957
NECK
OPT
C293
0
R688
BW
Y912
*11
D803
0
R687
FUSE
QMF51E2-3R15J4 !
F901
0
R686
0
R685
75
R252
V/C&DEF IC
TB1230N
IC201
0
R813
0
R812
0
R811
33K
R799
VD
NFB
OPT
D705
150p
CH
C720
56k
R001
OPT
C002
MTZJ33A-T2
D001
22
L131
820 R609
820
R605
1k
R716
1k
R717
1k
R713
470p
CH
C705
0.01
C704
180k
R712
120k
R711
1k
R710
1k
R705
1/50
C773
220
R724
220
R726
220
R728
220
R730
OPT
R733
0
C718
ABL
HD
OPT
R684
OPT
R683
3900p
C637
3900p
C638
.47/50
BP
C607
.47/50
BP
C604
0
R815
2.2k R754
2.2k R755
S
CN00S
OPT
C723
1k
R748
CRYSTRL
X701
OPT
C724
OPT
C725
OPT
C726
OPT
C727
CTRL
MUTE
75
Ω
DRIVE
6dB AMP &
BA7612N IC251
IN1 A B IN2 GND IN3 Vcc OUT
OPT C729
BW
Y943
OPT
C728
TP-12B
560k
1/2W
R910
18k
1/4W
R911
MTZJ6.8A-T2
D905
33k
R514
*5
D962
0
R513
2SC2785/JH/-T
! Q511
10k
R512
*7
D710
10/50
C511
*5
D510
4.7k
R307
15p
CH
C302 15p
CH
C301
1k
R734
*2
Q301
12p
CH
C303
5.6k
R303
6.8k
R308
OPT
C907
1K
R301
18k
R622
10/16
TAN
C664
1/50
C665
0.047
C658
5.1k
R660
1/50
C666
33/50
C667
1/50
C668
1/50
C679
0.1 MY
C676
2.2/50
C674
0.1
MY
C661
2.2/50
C671
*2
Q302
5.6k
R304
0.0022
C675
0.0022
C672
1k
R672
2.7k
R653
560
R652
47/25
C680
33k
R654
1.5k
NRVA02D-152X
R656
MTS & TONE/VOL CONTROL
UPC1851BCU
IC651
10/50
C685
1k
R671
10/50
C686
22k
R611
100/16
C609
6.8k
R607
OPT R604
6.8k
R603
1000/25
C615
*5
D703
2.2
3W
QRT039J-2R2
R621
1000/25
C613
1000/25
C617
OPT R608
33k
R613
OPT
R612
*4
Q603
OPT
C619
OPT
R619
OPT
R617
OPT
Y161
AUDIO AMP LA4485 ! IC601
*2
Q601
470
R670
470
R669
180
R675
180
R676
4.7/50
C683
4.7/50
C682
AMP
BA15218N
IC652
47k
R668
12k
R662
47k
R661
5.6k
R667
5.6k
R666
1/50
BP
C670
1/50
BP
C669
12k
R665
12k
R663
12k
R664
AMP
IC652
OPT
D653
2.2/50
HF
QEM61EK-225Z
C403
390
R213
OPT
R214
680p
CH
C211
0.1
C212
220
R772
4.7
L771
75
R251
0.33
TF
C311
1/50 C401
4.7
L205
4.7
L501
T
CN00T
0
R216
0.01
C813
0.01
C812
0.01
C811
5V REG.
AN78L05-T
IC293
IN OUT
27k
R311
0.01
MY
C312
*5
D201
0.1
MY
C214
0.1
MY
C308
0.1 MY
C309
4.7/50
C313
220
R801
0
R314
47/25 C306
0.01 C307
1/50
C213
820k
R215
QAX0305-001Z
X301
0
R403
12p
CH
C305
220/16
C209
*7
D772
*7
D771
0.01
C210
0.01
C304
4.7/50
C208
10k
R309
10k R401
1/50
C507
8.2k
R505
0.01
C506
1/50
C402
6.8k
R402
100/16
C501
0
R501
OPT
R502
0.01
C503
10k
R503
100k
R504 0.01
C505
220
R771
220
R802 220 R803
OPT
C404
220/16
C805
0.01
C806
47/25
C771
0.01
C772
0
R312
OPT
R315
OPT
R313
OPT
C730
*5
D712
10k
R756
27k
R165
10K
R166
100
R168
560
R169
1k
R167
0.01
C165
K943
OPT
R632
BW
D709
BW
D706
0.1
MY
C207
QAD0101-9R0
!
TH902
.47/50
BP
C624
.47/50
BP
C623
*10
Q604
*10
Q605
5V REG.
AN78N05
IC291
IN OUT
100/16
C291
100/16
C292
OPT
R291
1/50
C622
*10
Q652
*10
Q654
*10
Q651
*10
Q653
BW
L302
BW
K301
56k
R217
*8
D202
0
QAX0468-001Z
R773
10p
CH
C779
OPT
Q801
OPT
R816
OPT
R817
OPT
R818
OPT
D804
OPT
R819
OPT
C814
OPT
R820
0
C781
0
C780
OPT
C620
OPT
C621
OPT
R614 OPT
R615
OPT
Y913
OPT
C603
OPT
C606
NRSA02J-0R0X
Y201
OPT
R940
1K
R506
BW
Y601
15
1/2W
R941
TVL
SDA1
SCL1
R1
SDA1
V2
L
OCP
R
R L
L2
SEL1 SEL2
H_VCC
SEL1
TVR
A
G
C_MUTE
P_ON/OFF
B
US_FREE
V1
R2
SEL2
TVR TVL
SCL1
SD
A1
A
GC_ADJ
.
SCL2
CTL_GND
SCL1 SD
A1
SCL1
L1
A
GC_MUTE
SD
A2
RF_AFC
R2
SD
A2
SCL2
P_ON/OFF
V1
RF_AFC
HD_VCC
H_VCC
A
G
C_ADJ
.
HD_VCC
L2
CTL_GND SCL1 SD
A1
SCL2 SD
A2
B
US_FREE
R1 L1
V2
TU
IF2
AVCC
AG
C
AGC
NC
IF1
BP
NC
SCL
SDA
SAS
33V
NC
SEL2
L
INPUT GND RESET 5V OUTPUT
Vss
X OUT
X IN
CNVss
PW_ON/OFF V
DD
OSC1 OSC2 RESET
CV IN
VHOLD
NC BU
S
SD
A2
SD
A1
SCL2 SCL1 SEL1
RF AGC
R
VCO
A-MUTE
HLF AV
c
c
REMOCON
QQR0582
KEY
-1
S-Inhibit
IIC
TV/EXT
NC
NC
G
NC
NC
AG
C
Ys
B G R
TV/EXT
KEY
-2
Ym FREE
RF AFC V
-SYNC
H-SYNC
T-
ON/OFF
DELAY
NECK
SD
VIDEO
SP-ON/OFF
/OCP
AFT
IN
RFAGC
IN
VIF
A0 A1 A2
VIF
VCC
VCO GND
INTER
VCO
IF AGC
FILTER
FM F/B
SIF
FM OUT
IN
SIF
SIF
SW
SW
OUT
Vss
OUT
OUT
VCC.F
V.OUT
APC
EQ
SCP OUT
V
A
GC-filter
H Vcc
H-OUT
Cur
ve
Correction
FBP-IN
Vdd(5V)
SCL SD
A
GND
B-OUT G-OUT R-OUT
ABCL
RGB-Vcc(9V)
Digital
R
-IN
G-IN B-IN
Ys/Ym
Analog
Ys
Color
Limiter
FSC OUT
DA
C
VM OUT APC Y-
IN
Fsc B-Y IN R-Y IN R-Y OUT B-Y OUT Y-
O
U
T
Vdd
Blac
k
Stretch
*
X301;
Y/C-Vcc(5V) Chroma
IN
APL Composite
Video-IN
CV-IN
V Center AFC1-filter Sync-OUT V
-Sepa
Sync-IN V-
ra
m
p
V
-OUT
V-
N
F
NP
SCL SD
A
V
DD
TV/EXT
DRIVE
X-RA
Y
ADJ
.
R
V
-BLK OUT
GND
PILOT
MUTE-MIX1
GND
R656
GND
GND
Digital
BT
R658
NC
(TEXT)
Digital
Digital
Analog Analog Analog
R-IN G-IN B-IN
Coinsident Det
Filter
DEG-COIL
Fsc
LIVE ISOLATED
(Y/C)
R B
CEBSS12D-04KJ2
H/S
MAIN PWB
SGA-1020A-R2
NC
CRT SOCKET PWB
9V
NC
BM
NC
(Digital)
(Digital)
(DEF)
NC
NC
-001Z
QQR0582
-001Z
NC NC
16.2MHz CR
YST
AL
(TEXT)
GND
L704 ;
CELP055-8R2Z
A-MUTE
SP-ON/OFF
DET
(2W)
CEBSS12D-04KJ2
L01
V1 V2 L1 L2 L R R2
PHASE
R1
INPUT 1 INPUT 2 OUTPUT
ANT INPUT
CONTROL EXT
CELD058
MUTE-MIX1
(VARIABLE)
(L/MONO)
(L/MONO)
VIDEO AUDIO AUDIO AUDIO
CD
NC
-001J3
(1K)
(1K)
CH1 CH2
OUT OUT
GND
MUTE
DET
SDA
SP01
SP02
QQR0582
MUTE ST
AND-BY
-001Z
Vcc Vcc FIL
TER
QQR0582
-001Z
TVL TVR
BTL
GND SO
A
NC
VTV
COM
B1
OSC
TSD
OVP
GND
Vcc
B1-GND
STB5V
A-Vcc A-GND
SCL
FIXED
LINE OUT EXT1 IN IN EXT2 TV OUT OUT TONE/SURROUND
VARIABLE
LINE
IIC BUS
VRE
Vcc
1/2
Vcc
BTL
IN OUT
GND CH2 CH1
IN IN
SAP DEMODULATION dbx NR
MOA FOL FOR EL1
PD1 PD2 d01 PHD1 PHD2 COM SDT NDT SOT
(1/2)
(2/2)
SI1 SOA STI SRB ITI WTI WRB do2 VOF
9V
ER1 EL2 ER2 TVL TVR LBC LTC TLO RBC RTC TRO SUR LOT ROT D-GND
A-GND
NC NC
VIDEO SW
QETN1EM
-108Z
CF131
QAX0339-001
MTZJ15A-T2
*8 :
*10 :
*7 :
MTZJ7.5B-T2
0 : QRSA08J-0R0YL
NOTE
*1
*2
*3
*4
*5
*6 :
:
:
:
:
: 2SA1037AK/QR/-X
2SC2412K/QR/-X
DTA124EKA-X
DTC124EKA-X
1SS133-T2
MTZJ9.1C-T2
BW
OPT
:
:
:
SAFETY PARTS
NON-MOUNT(OPEN)
BUS WIRE
MTZJ5.6A-T2
DTC323TK-X
*9
:
*11 : MTZJ15B-T2
QMPR150-200-JC
!
!
C983
470p AC250V
.0047 AC250V
QCZ9074-472
.0047 AC250V
QCZ9074-472
!
!
POWER CORD
REMOCON
RECEIVER
PIC-37243SR
IC701
OUT Vcc GND
10k
1/2W
R706
2SA933AS/QR/-T
Q701
2SC1740S/QR/-T
Q702
560
1/2W
R712
560
1/2W
R709
22k
1/2W
R708
KEY1
KEY2
5.6k 1/2W
R702
REMOCON
5.6k
1/2W
R705
PW
CN0PW
T-ON/OFF
STB5V
OPT
D701
22k
1/2W
R711
10k
1/2W
R704
47/16
C701
CN00N
22k
1/2W
R707
10k
1/2W
R701
S705
22k
1/2W
R710
SPR-39MVWF D702
P
CN00P
S704 S703 S702 S701
QSP4K21-C01
S901
10k
R713
10k 1/2W
R703
L701
C702
MENU
(RED) (GREEN)
:POWER :TIMER
LIVE
VOL- VOL+
ISOLATED
CH- CH+ POWER
S701 S705 : QSW0619-003Z
FRONT CONTROL PWB
SGA-4005A-R2
QQL03BJ
-560Z
QCB32HK
-561Z
!
2-5 2-6
CIRCUIT DIAGRAMS
MAIN & FRONT CONTROL PWB CIRCUIT DIAGRAM