11.14. B, K, and V-Board Schematic Diagram
TX-22LX2
B,K and V-Board Schematic Diagram
TX-22LX2
B,K and V-Board Schematic Diagram
+
+
G
R
+
STB_3.3V
SW303
EVQPC105K
SW304
EVQPC105K
SW310
K0ADZA000002
13
4
2
11
22
TP302
SW301
EVQPC105K
K2
K1KA02B00134
1
2
R302
6.8k
TP303
R305
68k
R301
0
TP301
R303
12k
SW302
EVQPC105K
K3
K1KA02B00134
1
2
R304
22k
SW305
EVQPC105K
K1
K1KA04A00383
1
2
3
4
TP101
C102
0.1u
16V
L102
ELJPA330KF
TP105
TP109
TP112
L103
ELJPA330KF
R108
100
B2
K1KB09B00013
1
2
3
4
5
6
7
8
9
TP111
R102
39k
R107
100
TP103
TP104
C105
330u
6.3V
TP107
TP106
R105
39k
TP115
TP110
MAZ80620ML
D103
TP114
TP108
TP116
D104
MAZ80620ML
C106
0.1u
50V
TU101
ENG27519G
AGC
1
TU
2
ADR
3
SCL
4
SDA
5
NC
6
V SUPPLY
7
4MHz OUT
8
BTL
9
NC
10
IF1
11
IF IN
12
BV
13
AM
14
GND
15
AFC_OUT
16
RF AGC
17
VIDEO_OUT
18
SDA
19
SCL
20
MSP
21
4MHz IN
22
C103
1u
16V
B1
K1KB15B00021
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C107
330u
6.3V
TP102
R106
0
R103
0
C104
1u
16V
L101
ELJPA330KF
TP113
R205
47
R212
47k
D209
MAZ80560ML
R206
270
C203
0.01u
50V
D211
MAZ80560ML
L202
J0JCC0000364
C209
50V
0.1u
TP201
Q201
UNR521900L
D205
B3CKE0000006
TP204
JS202
L201
J0JCC0000364
TP202
R213
0
TP206
R204
1k
R211
47k
C208
50V
0.1u
R203
2.2k
D210
MAZ80560ML
TP203
RM201
PNA4701M05TV
VOUT
GND
VCC
C207
6.3V
47u
TP207
V1
K1KA09B00019
1
2
3
4
5
6
7
8
9
JK201
K2HC103B0015
TP205
D212
MAZ80560ML
R207
270
JS201
GND
KEY
KEY
-/DOWN
STR
+/UP
TV/AV
F
KEY
GND
BLUE
BROWN
BLUE
BROWN
1/2
1/1
2/2
2/1
LDE OFF
HOT
COLD
(A6)
TO
A-BOARD
POWER UNIT
(P1)
TO
AC CORD
TO
K-BOARD TNPA3275AA
E
D
C
B
A
3
6
8
4
2
7
5
1
NC
SDA1
GND
NC
A-BOARD
(A8)
TO
A-BOARD
(A9)
TO
5V
GND
GND
5V
30V
GND
AFC
AGC_OUT
GND
FG
SCL1
FG
FG
NC
GND
SIF
GND
TV_V
B-BOARD TNPA3273AA
GND
AM
RED
R
(A5)
L
GREEN
GND
V-BOARD TNPA3274AA
GND
GND
R_ch(HP)
REMOTE
REMOTE RECIEVER
1k
10k
HEAD PHONE
STBY3.3V
GND
LED_R
A-BOARD
L_ch(HP)
TO
0
2.6
0
2.6
0
4.4
5.0
0
0
2.3
0
0
1.1
5.0
0
4.4
0
0
30.0
0
0
0
0
1.6
2.8
3.0
0
0
3.3
3.3
0
2.6
0.7
0
0.7
0
0
3.3
0
0
TX-22LX2
46