JVC LT-26A80SU Service Manual page 31

MAIN PWB CIRCUIT DIAGRAM (2/3) SHEET 2
SHEET 1
5V
R1005
2.2k
VHF/UHF
Q1002
9V
TUNER
R1006
0
TU1001 R1021
OPEN TV_CV
*
Q1001 R1007
PNP
560
GND
GND
BT32
R1009
2.2k
C1009
10/25
R1004 L1002
L10
2.2k
C1007 C1008
C1010
.1/50 10 .01
C1006
1
AFT
SDA1_5
R1003 100
SCL1_5
R1002 100
K1001
AGC
R1001
OPEN
C1004 C1005
C1003
OPEN OPEN
OPEN
L1001
C1001 C1002
L22
.1 100
GND
M_R
M_L
SHEET 1
MB_RES
SCL1
SDA1
SHEET 1,
DIGITAL
INPUT
BLOCK
DIGITAL
INPUT
BLOCK
SHEET 1 SHEET 1
STB3.3V
R7212
R7213
OPEN
OPEN
Q7021 5V
OPEN
R7211
GND
10K
5V
C7201
1/10 IC7004
GND
Q7022
*
GND
GND
14V
R6501
OPEN
R6019
OPEN
GND
R1015 R1017
R1010 2.2k 270
680
Y1003
OPEN Q1005
NPN
Y1001 R1011 C1011 C1012 L1004
R1014
OPEN 1k 820p 47p
180
Q1004 C1017
NPN .01
Q1003 C1018
R1018
OPEN
NPN
47
R1016
Y1002 1k
R1020
OPEN
R1012 R1013 1k
C1013 C1015
1k 330
.01 18p
C1014
R1019 C1016
47p 270
0.01
R6674
0
R6675
0
9V
C6771 R6771 R6773 R6781
OPEN OPEN OPEN OPEN
R6775
OPEN
C6776 C6778
OPEN OPEN
R6780
OPEN
IC6771
OPEN
R6777 GND
OPEN
D6771
OPEN
C6773 GND C6779
OPEN OPEN
C6777
OPEN
R6776 OPEN
R6772 R6774 R6782
C6772
OPEN
OPEN OPEN OPEN
STB3.3V
IC6661
K6661
OPEN OPEN
C6671
R6661
OPEN C6677
OPEN
OPEN
C6678
R6778
R6663 C6673 OPEN
OPEN OPEN
OPEN
C6674 R6667 C6679
R6664 OPEN
OPEN OPEN
OPEN
C6680
R6662 R6668
C6672 OPEN
OPEN C6676 OPEN
OPEN
OPEN
C6675
R6779
OPEN
R6671 C6681 OPEN OPEN
OPEN
C6682 OPEN
C6685 K6662
R6665
OPEN
OPEN OPEN
R6666
OPEN
K6663 R6669
OPEN OPEN X6661
OPEN
C6688 C6687
OPEN OPEN
GND
SHEET 1,3
SHEET 1
HEADPHONE
5V
C6506
4.7/16
C6502 R6506
0 0
R6507 C6504
OPEN .0022
C6507
100/10
R6509 C6505
R6513
OPEN
C6503 R6508 .0022 47k
0 0
C6508
4.7/16
D6504 Q6502
R6510
OPEN PNP
4.7k
Q6503
24V
R6511
100k
D6502
R6502 OPEN
56K Q6501
PNP
R6505
D6503
15k DI
C6501 R6504
47 56k
GND
C6012
C6105
4.7/16
4.7/16
R6106
*
R6109 C6103
C6106
R6018 * OPEN
4.7/16
OPEN
GND
R6017
R6108 C6102
OPEN
* OPEN
R6107
*
C6011
4.7/16 Q6102
OPEN
Q6104 R6110
OPEN OPEN
R6111
OPEN Q6103
OPEN R6116
100K
R6112
OPEN
STB3.3V STB5V
GND R6122
0
R6124 R6118
22k
22k
R6119
D6102 D6103 R6126 12k
OPEN
OPEN 0
Q6105
D6104
DI R6120
2.7k
GND
D6101 Q6106
DI NPN
GND
SHEET 1
(No.YA509)2-9 2-10(No.YA509)
MAIN PWB ASS'Y(2/3)
SFT-1003A-U2
[LT-26A80SU,LT-26A80ZU]
SFT-1001A-U2
[LT-26DA8BJ,LT-26DA8SJ,
LT-26DT8ZJ]
SFT-1008A-U2
[LT-26DA8SU,LT-26DA8ZU]
SFT-1004A-U2
[LT-32A80SU,LT-32A80ZU]
SFT-1002A-U2
[LT-32DA8SJ,LT-32DT8ZJ,
AMP
C6510
R6515
220/4 22
R6516 LT-32DA8BJ]
C6513
1k 0.1
CN100R
K6111
SFT-1010A-U2
C6521
OPEN
C6511
47/16 K6112
K6115
[LT-32DA8SU,LT-32DA8ZU]
K6113
K6114
R6517 C6514
.1
C6512 1k HP_GND
220/4
R6518 SW PWB ASS'Y
22
CN700R
(SHEET 6)
R6519
OPEN
C6509
4.7/16
GND
L6103
AU+12V
C6123 C6122
C6126
.33/25 .22/16
1
C6125
0.22
L6104
C6127
C6121
22/16
C6124 .22/16
.22/16 GND
GND GND
GND
K6103 K6104
AU+12V
C6120
1/16
GND
C6104
1/16 C6119 CN10LR
SPEAKER(R)
C6107
C6118
IC6001
1/16
1/16
GND SPEAKER(L)
C6117
AUDIO OUT 1/16
GND
C6116
C6115
1/16
K6102 K6101
AU+12V
Y6103
OPEN
C6111 GND
GND R6117
GND .22
100K
L6101
C6110
.22
R6123
OPEN
C6109 C6112
C6113
1/16
.33/25 .22/16
GND L6102
C6114
.22/16
GND
Y6501
OPEN
GND
GND GND
TU1001
R6106
R6107
R6108
R6109
R6113
R6114
Y6101
Y6102
Q7022
R7203
R7204
R7210
1.5K 1.5K 1K 1K 1K 1K 1K 1K
1.5K 1.5K 1K 1K 1K 1K 1K
1K
2.7K 2.7K 10K 10K 10K 10K 10K 10K
2.7K 2.7K 10K 10K 10K 10K 10K 10K
OPEN OPEN 100K 100K 100K 100K 100K 100K
100K 100K OPEN OPEN OPEN OPEN OPEN OPEN
0 0 OPEN OPEN OPEN OPEN OPEN
OPEN
OPEN OPEN 0 0 0 0 0
0
OPEN OPEN OPEN OPEN
100 OPEN 100 OPEN 100 OPEN 100 OPEN
100 OPEN 100 OPEN 100 OPEN 100 OPEN
100 OPEN 100 OPEN 100 OPEN 100 OPEN
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