Panasonic TH-42PA20A Service Manual page 28

TH-42PA20A / TH-42PA20F / TH-42PA20H / TH-42PA20M / TH-42PA20R
4.4. TA and TB-Board Schematic Diagram
A
TA-BOARD TNPA2950
!
(FOR TH-42PA20H/M/R
AGC
ADD
L004
B
SCL1 G1C121Z00004 SCL
L005
SDA1 G1C121Z00004 SDA
L002
G1C121Z00004
120u
5V
L003 C001 C007
6.3V 16V
G1C121Z00004
120u
1000u 0.1u
L006
J0JCC0000241
IF OUT
C006
50V
22p SAW SW
MODE1
MODE2
SIF OUT
AUDIO OUT
AGC MUTE
AFT
VIDEO OUT
C
TNR001
J3AAABZ00007
K4ZZ01000121
D
E
TH-42PA20A/F/M/H/R
TA and TB-BORAD Schematic Diagram
1
L001
0.015u
5V
C004
C017
16V 6.3V
T10
0.47u 1000u
1
TP001 SCL1 2
1 S
C013 3
C002
50V 16V
SDA1
C019 10u 0.1u 4
50V
3
33p 5
5V
4 6
5 L008 7
BM C018
EXC3BB221H
50V
6 30V 8
BP 33p
7
9
10
BT 30V
9
C003 11
C009
50V
50V
10u SAW_SW1 12
0.1u
11 13
L009 J0JCC0000241
SAW_SW1
12 AFT1
L010 J0JCC0000241 14
MODE1_1
13
L011 15
J0JCC0000241 MODE2_1
14 MODE1_1
L012 16
J0JCC0000241 MSP
15 17
16 MODE2_1 18
L007
17 19
J0JCC0000241
AFT1
18 V1_GND
R003 20
R004
68k
68k
19
21
V1
22
23
MSP 24
C016
R005
16V
560
0.1u L013
G0B181Y00001
V1
R002 4 1
V1_GND
220 JS001 3 2
BALLAN
0
Q002
2SB0709A0L
ZA002 ZA001
K4ZZ01000121
2 3
!
TB-BOARD TNPA2951
(FOR TH-42PA20H/M/R
TO
H-BOARD
(H10)
S
PACHI_GND
SCL
AGC
1 C058
PACHI_GND
50V
10u
SDA
ADD
L054
G1C121Z00004 3
5V
SCL1 SCL
4
5V L055
SDA1 L052 120u SDA
5
30V G1C121Z00004
G1C121Z00004 BM
6
30V
5V BP
7
GND
L053 120u
G1C121Z00004
L056
GND
BT
J0JCC0000241
9
GND
C054 C055 C056
6.3V
50V 16V
SAW_SW1 1000u 0.1u
22p IF OUT
11
GND
SAW SW
12
AFT1
MODE1
13
GND
MODE2
14
MODE1_1
SIF OUT
15
GND
AUDIO OUT
16
MODE2_1
AGC MUTE
17
GND
AFT
18
V_GND
VIDEO OUT
19
GND
VIDEO
TNR051
RGAGC1 J3AAABZ00008
MSP
ZA051 ZA052
K4ZZ01000121
K4ZZ01000121
4 5
28
TO
L051 0.015u 5V
H-BOARD
C069
C068
(H11)
16V 6.3V
T11
0.47u 1000u
1
PACHI_GND
TP051 SCL1 2
SCL
C064
3 PACHI_GND
16V
0.1u SDA1
4 SDA
C052 5 5V
50V JS056
33p
0 5V 6
5V
C053
50V
7
L059 30V
33p
EXC3BB221H
30V 8
30V
9 GND
10 GND
30V
11
C059 C063 GND
50V
50V
0.1u 10u SAW_SW2 12
SAW_SW2
13
L060 J0JCC0000241 GND
SAW_SW2
AFT1
L061 J0JCC0000241 14 AFT1
MODE1_2
L062 15 GND
J0JCC0000241 MODE2_2
MODE1_2
16 MODE1_2
17
L057 J0JCC0000241 GND
AUDIO
MODE2_2 18
MODE2_2
L058
19
J0JCC0000241 GND
AFT1
V1_GND
20 V_GND
R053 R054
68k 68k
21 GND
V1
22 VIDEO
23
RFAGC2
AUDIO 24
AUDIO OUT
C067
R055
16V
560
0.1u
L063
G0B181Y00001
V1
4 1
R052
V1_GND
220 JS052 3 2
BALLAN
0
Q052
2SB0709A0L
TH-42PA20A/F/M/H/R
TA and TB-BORAD Schematic Diagram
6 7 8