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JVC TH-C6 Service Manual

JVC TH-C6
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2-3
SHEET 2
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
C
CV-Y1
Y2-G
CB-B
STAND-BY
KEY1
KEY2
KEY3
KEY4
VOL2
VOL1
REMOCON
BLANK-CTL
VIDEO-SW
VCR-S/C
VIDEO-SW
VIDEO-MUTE1
VIDEO-MUTE2
VIDEO-YCMIX
VIDEO-RGB
VIDEO-LPF
SAFETY
BLANK-CTL
VS1
VS3
VOL-DT
VOL-CK
VOL-DT
VOL-CK
VCR-S/C
VS3
VS1
VIDEO-RGB
VIDEO-YCMIX
VIDEO-MUTE2
VIDEO-MUTE1
VIDEO-LPF
C
CB-B
CR-R
S2UDT
SCLK
INTP
U2SDT
CPURST
CS
S2UDT
SCLK
INTP
CPURST
L-R
TU
TU
SMUTE
TU-CE
TU-DO
TU-CK
TU-DI
F+
F-
-VDISP
DVD-PON
SYS-PON
S-MUTE
SWPON
SW-PON
AM-BEAT
S-MUTE
SW-PON
AM-BEAT
HP-DET
HP-DET
RDS-DATA
RDS-CLK
L-R
SMUTE
SWPON
TU-PON
SCART-LIN
SCART-RIN
S-BOOST
Y2-G
KEY2
CV-Y1
SAFETY
OUT-SL
OUT-SR
OUT-C
OUT-SW
OUT-SR
OUT-SL
HPOUT-L
HPOUT-R
A+12V
A-12V
AGND
CR-R
DI-CS
CS
TU-DO
TU-CK
TU-CE
RDS-DATA
TU-DI
SETUP
KEY1
DMUTE
DMUTE
MICMUTE
ECHO
DVDGND
TU-PON
RDS-CLK
HPOUT-L
HPOUT-R
MIC
DIN
D3.3V
DOUT
A+12V
A+12V
VOL-MUTE
DIN
OUT-SW
OUT-C
VOL-MUTE
DVD-PON
DVD-PON
D3.3V
U2SDT
S-BOOST
A5V
A5V
SETUP
DVDGND
A-12V
DI-CK
VOL1
VOL2
DI-DT
KEY4
KEY3
KEY1
REMOCON
STAND-BY
DI-CS
F+
-VDISP
F-
HP-DET
AVVLR
AVVLR
AVVLR
SYS-PON
SYS-PON
DGND
DGND
DGND
DGND
DGND
AGND
SCART-RIN
AGND
A+12V
VS3
VS1
A5V
AGND
Y2-G
C
CR-R
CB-B
BLANK-CTL
AGND
VCR-S/C
Q4811
KRA102S-X
VIDEO-SW
VIDEO-MUTE1
VIDEO-MUTE2
VIDEO-YCMIX
VIDEO-RGB
Q4812
KRC102S-X
D4811
1SS133-T2
VIDEO-LPF
Q4921
KTC3203/OY/-T
D4921
MTZJ8.2C-T2
Q4931
KTA1271/OY/-T
X4701
QAX0246-001Z
321
D4703
MTZJ4.7B-T2
Q4701
KRC111S-X
D4704
1SS133-T2
Q4702
KRC107S-X
D4931
MTZJ8.2C-T2
D4922
1SS133-T2
D4932
1SS133-T2
D4963
1SS133-T2
D4891
MTZJ6.2C-T2
D4833
1SS133-T2
D4832
1SS133-T2
D4835
MTZJ6.8A-T2
D4834
1SS133-T2
X4071
QAX0868-001Z
D4705
1SS133-T2
Q4703
KRC102S-X
Q4951
KRA104S-X
Q4952
KRA104S-X
Q4801
KTA1504/YG/-X
Q4802
KRC102S-X
Q4091
KTA1271/OY/-T
Q4092
KTC3875/YG/-X
D4091
1SS133-T2
D4092
MTZJ6.8A-T2
Q4961
KTC3203/OY/-T
D4961
MTZJ4.7A-T2
D4962
1SS133-T2
Q4821
KRC102S-X
Q4831
KRC102S-X
D4831
1SS133-T2
IC491
KIA7805API
1
2
3
IC475
RC4558D-X
6
5
7
8
4
IC476
RC4558D-X
6
5
7
8
4
IC476
RC4558D-X
2
3
1
SCART-LIN
IC601
RC4558D-X
6
5
7
4
8
CV-Y1
IC475
RC4558D-X
2
3
1
K4701
QQR0621-001Z
K4702
QQR0621-001Z
4
J4891
QNS0089-001
2
1
3
IC601
RC4558D-X
2
3
1
IC478
RC4558D-X
2
3
1
IC478
RC4558D-X
6
5
7
8
4
IC473
SN74HCT32NS-X
141312111098
7654321
IC481
BU1924F-X
161514131211109
87654321
IC474
CD4066BM-X
8 9 10 11 12 13 14
7654321
CN411
QGF1036C1-31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
IC477
BR24L08F-W-X
8765
4321
CN406
QGD2504C1-04Z
4
3
2
1
CN410
QGF1205C1-11
1
2
3
4
5
6
7
8
9
10
11
CN407
QGD2504C1-05Z
5
4
3
2
1
CN405
QGD2504C1-05Z
5
4
3
2
1
CN404
QGD2504C1-05Z
5
4
3
2
1
IC472
S-80840CNNB-W
12
34
IC471
MN101C49GFW
12345678910111213141516171819202122232425
26
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30
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47
48
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50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
76
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80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
CN457
QGD2504C1-03Z
1
2
3
Q4971
2SC3661-X
Q4972
2SC3661-X
Q4973
KRA104S-X
D4707
1SS133-T2
D4706
1SS133-T2
CN415
QGF1205C1-06
1
2
3
4
5
6
Q4832
KRA110S-X
Q4833
KRC110S-X
D4841
MTZJ2.0A-T2
D4842
MTZJ3.3A-T2
CN403
QGF1036C1-28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
CN412
QGF1036C1-07
1
2
3
4
5
6
7
CN402
QGF1036C1-08
1
2
3
4
5
6
7
8
CN401
QGF1036C1-10
1
2
3
4
5
6
7
8
9
10
D4708
1SS133-T2
D4709
1SS133-T2
0.022/16
C4704
C6615
0.1/16
C6618
470p/50
0.1/16
C4771
47/50
C6103
C6205
0.01/50
C6501
4.7/50
1.5/25v
C4006
NI
C4010
NIC4004
C6512
56p/50
C4715
0.1/16
0.1/16
C4791
C4713
0.1/16
47/35
C6902
C6614
0.1/16
NI
C4002
NIC4001
C4719
0.01/50
0.22/50
C4801
0.1/16v
C4073
C6518
470p/50
C6601
4.7/50
47/16
C4071
C4714
0.1/16
100/16
C4961
8200p/50
C4011
NI
C4003
C6503
4.7/50
220/6.3
C4702
C6516
56P/50
0.01/50
C4706
0.01/50C4705
C4718
0.01/50
C6617
470p/50
C6204
0.1/16
C6602
56p/50
0.01/50
C4708
C6513
4.7/50
C6603
4.7/50
C6616
56P/50
C6517
470p/50
100/16
C4901
220P/50
C4892
C6104
0.1/16v
C4720
0.1/16
39p/50C4078
C4710
0.01/50v
100/16
C4903
470pC4605
220P/50
C4891
C6102
C4721
0.1/16
39p/50C4077
0.01/50
C4904
470pC4606
C4079
0.01/50
47/35
C4931
C6613
4.7/50
C4716
0.1/16
560P/50v
C4074
0.01/50
C4902
C4711
10/50
C6202
C4091
22/50
C6611
4.7/50
270P/50
C4076
C4717
0.1/16
0.1/16
C4772
47/50
C6203
C6515
0.1/16
C6612
56p/50
2.2/50
C4703
0.1/16
C4773
47/35
C6901
10/50
C4075
C4712
0.1/16
47/35
C4921
100/16C4707
4.7/50
C6201
NI
C4008
100/16C4932
C6511
4.7/50v
C6502
56p/50
C6514
0.1/16
C6105
0.01/50
8200p/50
C4012
0.1/16 C4774
4.7/50
C6101
0.01/16C4709
100/16C4922
C4009
NI
100/16C4092
10k
R4707
2.7kR4866
180R4821
R6603
1k
27kR4752
R4778
100
R4783
150
22k
R4832
R6508
1k
820
R4093
R6511
33k
10k
R4758
10kR4756
22k
R6201
100R4605
10kR4753
R6105
47k
15k
R4831
R4779
330
R4784
150
R6517
100k
R6607
10k
0R4998
220
R4708
330
R4871
33k
R6203
R6205
47k
220
R4891
R6611
33k
R4763
27k
R4780
330
R4972
220k
R6613
100k
5.6kR4886
R6617
100k
22k
R4952
R6609
47k
10k
R4773
R4771
10k
330
R4872
220
R4892
1K
R6202
R6512
10k
2.2kR4864
22k
R4706
R4841
680
4.7kR4884
0
R4997
R4710
100k
R6303
270
R6605
10k
R4774
10k
100R4606
2.2k
R4922
330
R4873
33kR6103
R6614
10k
1k
R4703
2.2kR4863
R6612
10k
R6506
10k
4.7kR4883
39k
R4834
R6514
10k
R6302
270
R4786
150
2.2k
R4760
R6616
10k
R6106
33
R4973
1k
R4781
100
R4876
330
4.7kR4881
2.2k
R4932
R6606
10k
R6615
1k
12k
R4833
10k
R4761
R6304
270
R6516
10k
R4713
330
R4785
150
22k
R6101
10k
R4092
R4782
100
R6206
33
R4875
330
10k
R4704
2.2k
R4861
R6505
10k
22k
R4951
1k
R4011
10kR4762
R6513
100k
10kR4755
R6305
270
R6601
100k
R4843
2.2
1W
R4712
330
FR
R4811
4.7
!
4.7k
R4091
0R4999
R6207
39
4.7kR4705
R4775
330
270
R4961
1kR4072
1k
R4012
10kR4754
R6608
1k
R4711
330
R4709
100
10k
R4772
R6518
22k
R6503
1k
FR
R4921
10
!
R6107
39
6.8k
R4013
R4776
330
150R4822
1kR4073
1K
R6102
22k
R4801
R6509
47k
6.8k
R4014
R6618
22k
R6502
10k
10KR4074
R4751
10k
R6501
100k
R4777
100
22k
R4802
R4971
2.2k
FR
R4931
10
!
R6602
10k
R6507
10k
10kR4757
4.7k
R4835
220
R4791
1k
R6515
Q4955
KRC102S-X
Q4954
2SA1362/G/-X
R4845
2.2k
R4844
10k
R6610
100K
R6510
100K
R4974
180K
R4975
180K
R4842
10k
R4887
NI
C4014
NI
C4015
NI
C4016
NI
C4017
NI
CN450
QGF1205C1-13
1
2
3
4
5
6
7
8
9
10
11
12
13
CN456
QGD2504C1-04Z
1
2
3
4
CN460
QGF1205C1-05
1
2
3
4
5
B4179
NI
IC480
KIA7805API
1
2
3
C4780
100/16
B4050
B4051
CN470
QGF1205C1-05
1
2
3
4
5
R4990
10K
C6207 C6206
SYSTEM MICOM
KEY-IN3
KEY-IN4
(8MHz)
(8MHz)
VPP
NC
GND
VCC
RST
(FOR FLASH)
NC
NC
NC
D5V
AVC-OUT
AVC-IN
VERSION1
M5V
NTSEL(RGBSEL)
VCR-S/C
VERSION2
DI-DO
DI-CK
AGND
(1/2)
B3.3V
TU LPF
NC
KEY-IN2
DVD B3.3V
12.3V 7.1V
7.8V
-12.3V -7.1V
-7.8V
5.0V
SW-PON
(DATA IN)
VREF-
3.4V
4.1V
0V
0V
0V
0V
AM-BEAT
SELECT2
VREF+
VDD
OSC2
OSC1
GND
NC
NC
GND
0V
SELECT3
SELECT4
209X-BLOCK
0V
AM-BEAT CUT
0V 4.7V
3.1V
DVD-SAFETY
0.3V
D5V
DGND
DGND
B5V
0V
0.3V
0V
KEY-IN1
5.0V
NC
NC
NC
NC
(DATA OUT)
B5V
DVD-5V
DVD-GND
DVD-GND
DVD-4V
M9V
12.3V 12.3V
MGND
MGND
+12V
AGND
DGND
CS
CPU-RESET
0V
-12V
SCS
SCLK/CLK
DGND
U2SDT/RX
AGND
RDS
NC
TU-R
TU9V
0V
VDD
RESET
TU-L
S2UDT
AGND
TU-DTO
TU-CKJ
TU-DTI
TU-CE
0V
4.8V
0V
4.9V
4.9V
4.9V
4.9V
4.9V
A12V
BACDUP
AND
DETECT
RESET
4.9V
A-12V
A7V
A-7V
U2SDT
TU-L
AGND
4.9V
0V
4.9V
4.9V
2.3V
2.3V
Y-OUT
0V
VGND
C-OUT
DGND
DGND
S2UDT/TX
Cb-OUT
NC
NC
NC CMP
OSCO
OSCI
DVSS
DVDD
SDA
SCL
DIN
AVDD
AVSS
MPX
VREF
QOUT
(WITHOUT FLASH)
RDS DECODER
TU9V REG
SCLK
FOR FLASH
A5V REG
Cr-OUT
COMP
D4V
D2V
To TUNER
S-MUTE DRIVER
S5V
SAFETY1 DETECT
D2V
MGND
M9V
A7V REG
DISPS2D
A-7V REG
DISPD2S
/FLASH-VDD
/FLASH-VSS
DISPCS
DISPBUSY
DISPRST
DISPCK
0V
0V
4.8V
4.7V
4.7V
4.7V
4.9V
4.7V
4.8V
0V
0V
0V
0V
0V
4.8V
0V
0V
0V
0V
4.8V
4.8V
4.8V
0V
0V
0V
TV-SOUND/AUX
SELECT SW
0V
0V
0V
0V
0V
0V
0V
4.8V
4.9V
4.8V
3.6V
0V
0V
0V
4.9V
4.9V
4.7V
3.3V
0V
4.9V
0V
0V
0V
4.9V
4.7V
4.7V
4.9V
4.9V
4.9V
0V
0V
0V
4.9V
0V
0V
0V
0V
VDD2
RESET-IN/RST
0V
0V
4.9V
0V
0V
4.9V
0V
4.9V
0V
0V
0V
0V
4.9V
0V
0V
0V
NC
0V
0V
0V
0V0V
4.8V
4.6V
INH
0V
0V
4.9V
0V
0V
AV COMPULINK
5.0V
1.4V
0V
0V
0V
4.9V
SELECT1
0V
4.9V
4.9V
-12.0V
0V
0V
5.0V
12.0V
0V
DAVSS
S-MUTE
0V
12.3V 0V
DAVDD
12.0V
3.6V
0V
0V
12.3V 5.0V
0V
*
*
*
VER.B
TU-R
TU-SW
OUT-R
OUT-L
AUX-L
AUX-R
-12.3V
0V
0V
12.3V
(2/2)
(1/2)
0V
MGND
TV-R
AUX-L
TV-L
VCC
VSS
AUX-R
12.3V
0V
0V
0V
0V
0V
0V
-12.3V
(2/2)
AGND
HPOUT-L
HPOUT-R
AGND
FAOUTL
FAOUTR
A6V
LRMUTE
SWMUTE
AGND
ADINL
ADINR
BGND
0V
11.3V
0V
0V
0V
0V
-11.3V
0V
HP-DET
HP-L
AGND
HP-R
BGND
NC
0V
NC
TOPEN
TCLOSE
SWOPEN
SWUPDN
DGND
RX
MIC
0V
0V
0V
NC
NC
HP AMP
EEP ROM
LEVEL SIFT
AGND
A0
A1
A2
GND
VCC
WP
SCL
SDA
NC
0V
WP
SCL
SDA
M9V
MGND
AGND
AGND
AGND
AGND
AGND
AGND
A6V
VER.B
R4997/R4998 for U/J
NC
SETUP
SETUP
*
*
X
X
8.2k
EMC
10k
U2
U3(NTSC): UX/UG
JU1
NTSEL
X
10k
X
U3
X
10k
R4753VCR-SW
E : B
J : J/C
R4751
10k
10K
X
27k
*PARTS LIST
15k
10k
X
15k 27k
P-DOWN
R4763
R4774
(VERSION)
(MODEL)
10k
EJ
X
U2
U2(NTSC): UW/UY
27k
XP-DOWN 10k
R4773
10k
P-UP
R4752
/RGBSEL
(PAL/RGB)
8.2k
(NTSC/YC)
U1
R4771
10k
X
10k
27k
U1(PAL) : A/US/UN
10k10k
U3
P-DOWN
E
10K
X
VERSION2
VERSION1
P-UP
10k
P-UP
10k
10k
10k
TH-C3/4/5/6/7/9
D3.3V SW
(B4165)
(B4164)
5.0V
EP403
EP401
EP402
10k
X
10k
X10k
X 10k
X10k
X10k
X
(NTSC): UT/UJ
(1/2)
(2/2)
0V
0V
0V
0V
0V
0V
-12.3V
12.3V
(1/2)
4.9V0V
0V
5.0V
4.9V
3.3V
3.3V
5.0V
0V
4.8V
0V
0V 0V
0V 0V 0V 0V
5.0V
4.9V
0V
0V
0V
11.1V
4.9V
4.9V
11.1V
4.9V
4.9V
4.7V 4.7V
0V
0V
0V
-7.1V
-7.1V
-7.1V
-7.1V
0V
0V
0V
0V
0V
0V
0V
0V
4.7V
4.7V
7.1V
2.5V
0V
2.4V
1.8V
5.0V
0V
0V
0V
2.2V
2.7V
2.6V
0V
5.0V
0V
0V
2.6V
-30.2V
-25.9V
-33.9V
4.9V
0V
0V
4.9V
4.9V
5.0V
5.0V
4.1V
0V
0V
8.9V
0V
0V
0V
12.1V
-12.5V
0V
0V
0V
0V
0V
0V
0V
0V
0.9V
0V
0.2V
0.4V
5.0V
4.1V
3.1V
3.1V
2.8V
5.0V
8.9V
8.9V
NC
3.3V
3.0V
3.2V
3.2V
2.5V
0.4V
3.2V
-25.9V
-30.2V
-33.9V
4.9V
4.9V
4.9V
4.9V
4.9V
4.9V
4.8V
4.7V
4.8V
4.9V
0V
0V
4.9V
0V
0V
4.9V
4.9V
0.4V
0V
0V
0V
0V
9.2V
0V
0V
0V
4.9V
4.9V
4.9V
3.2V
3.2V
7.1V
2.5V
2.5V
2.5V
2.5V
0V
0V
7.1V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
0V
0V
0V
0V
0V
0V
0V
0V
3.2V
2.8V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
-7.1V
0V
7.1V
0V
0V
12.1V
0V
0V
0V
12.0V
0V
0V
0V
-12.0V
4.6V
2.5V
2.5V
-12.3V
GVA10092-A1
MAIN PWB
NC
*
*
*
*
*
*:J/C/UJ VERSION ONLY
NC
0V
0V
0V
**
*
*
*
AVC OUT
AVC IN
*
(EXCEPT J/C/UJ VERSION)
* PART USE
VERSION
J/C/UJ OTHERS
D4705 B4050
R4708 B4051
Q4703 X
NC
NC
*
C6206
C6207
C6102
C6202
330p/
330p/
10p/
10p/
100p/50v
100p/50v
X
X
C3/C4=X,C5=27K,C6=15K,C7/C9=8.2K
(AV COMPULINK)
*
*
NC
*
*
50v
50v
50v
50v
To FW901
(SHEET 1)
To FW902
(SHEET 1)
To CN701
(SHEET 7)
To CN701 (SHEET 4)
(SHEET 3)
To CN501
(SHEET 4)
To FW561
(SHEET 4)
To FW521
(SHEET 4)
To CN441
(SHEET 5)
To CN442
(SHEET 5)
To CN703
(SHEET 7)
To CN702
(SHEET 7)
System control section

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JVC TH-C6 Specifications

General IconGeneral
BrandJVC
ModelTH-C6
CategoryHome Theater System
LanguageEnglish

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