Toshiba 42WP37C Service Manual page 78

42WP37
J-Board (3 of 4) Schematic Diagram
A
TO
PF-BOARD
J10
STB5V_S
(PF10)
1
STB5V
2
STB_ON
3
B GND
4
L952 LAN15V
GND
ELKE103FA
5
LAN15V
1 3
C951
2
6
16V
LAN15V
47u
1 3
2
L951
ELKE103FA
TO
D-BOARD
J3
(D3)
1
STB5V
2
IIC_CONT
3
GND
4
R1001 56
SCL1
5 R1002 56
SDA1
6
SCL2
7
SDA2
8
AB_SCL3
SCL3
9 AB_SDA3
SDA3
10
GND
C
11
RESET
12
SOUND MAIN MUTE
13
CABLE DET
14
GND
Q3001
15
POWER STATUS
16 2SB0709A0L
GND POWER STATUS
17
TXD_TU
AJ_TXD1
18
GND
19
RXD_TU
AJ_RXD1
20
GND
21
TXD_PC
AJ_TXD4
22
GND
23
RXD_PC
AJ_RXD4
24
ALL_OFF
25
REMOCON_OUT
26
FAN_CONT
27
REAL TIME /INTRA
28
STB_ON
29
5V
30
GND
31 AF_NCLP_S
NCLP_S
AF_HD_HX
32
VD_S
AF_VD_S
33
GND
34
HD_S
AF_HD_S
35
GND
D
36
PR_S
AF_PR_S
37
GND
38
PB_S
AF_PB_S
39
GND
40
Y_S
AF_Y_S
LAN15V
E
J-Board(3of4)Schematic Diagram
1
A B D E
C
L953 C953
P5V
16V
ELKE103FA
47u
5V
1 3 C959
L955
2
16V
ELKE103FA
0.1u
1 3
C952 2
50V
L956 UNREG12V
0.01u
ELKE103FA
STB5V_S IC952
L954 1 3
2
ELKE103FA
STB5V
C955
C0CBAHG00005
16V
1 3
2 C960 47u C961
C954 16V 0.01u 9V
AVR 9V
16V 0.1u 50V
47u
L960 UNREG15V
C968 C970
ELKE103FA
50V
50V
0.01u
0.01u
1 3
C972
2
16V
C971
C969
0.1u
16V 16V
47u 47u
12V
15V
C967
C965
50V
IC951 50V
0.01u
0.01u
C966
C0CBAKG00003
16V
47u
AVR 12V
IC1001
32.768K STB5V_S
C1DB00000274
C1001
H0J327200038 L1001
50V
X9350 ELJPA100KF
R3063 15p
1 8
D1001
100 MA2J11100L
2 7
C1004
STB5V_S
R3001 5.5V
3
10k 6 C1003 1.5
R3002 16V
R1003
1k 4 5 0.1u
100
C1002
50V
15p
R3003 TIMER IC
47k
R952 100
R951 100
STB5V_S SLOT5V
SLOT9V SLOT3.3V
2 3
F G H I J
TO
J-BOARD
(1/4)
J-BOARD TNPA2826 (3/4)
!
9V
L3001
ELJPA100KF L
C3004
C3001 R3011
C3005
16V
50V 15k
47u 16V
0.01u
1u
R3007
0 R3009
100 R3012
33k
Q3002
R3005
2SD0601A0L
4.7k
L AMP
R3013
R
15k
R3008
0 R3010
C3006
100
16V
Q3003 1u
9V R3014
R3006
33k
4.7k 2SD0601A0L
R3140 R AMP
47k
C3041
R3141
16V
47k
STB5V_S
0.1u
C3040
16V
0.1u
IIC SW
1 8
VDD
2 7
IC3007
H:ON
3 6
C0JBAS000109
4 5
VSS
TO
D-BOARD
J5
(D5)
LAN15V
J11
TO
SLOT1
4 5
K L M
A B
SLOT1 LO LO
SLOT2 LO HI
SLOT3 HI LO
AUDIO SELECT
9V
PC HI HI
L3002
ELJPA100KF
R3015 0 1 16
Y0 VDD
C3008
R3016 0 2 15 R3019 0
Y2 X2
50V
3 14 R3020 0
Y X1 0.1u
R3017 0 4 13
Y3 X
C3007
R3018 0 5 12 R3021 0
Y1 Y1 X0
16V
6 R3022
11 0
INH INH X3 47u
7 10
VEE A R3160
8
9 5.6k
VSS B
AC_SW0
ZA3001
IC3001
K4ZZ01000121
C0JBAR000241 AC_SW1
R3161
5.6k
AD_L_4
AD_R_4
AK_L_3 AK_R_3
AL_L_2 AL_R_2
AI_L_1
AI_R_1
IC3002
C3009
C0JBBR000002
16V
0.1u
1 16
1OE VCC
2 15 L3003
S1 2OE
ELJPA100KF
3 14
1B4 S0
SCL
IIC SW 4 13
1B3 2B4
5 SDA 12
1B2 2B3
6 11
1B1 2B2
S1 S0
7 10
1A 2B1
SLOT1 LO LO
8 9
GND 2A
SLOT2 LO HI
SLOT3 HI LO
PC HI HI
AN_SDA_S1
AN_SCL_S1
AM_SCL_S3
AF_DPMS_VD AF_DPMS_HD
STB5V_S SLOT5V
SLOT3.3V
SLOT9V
6
N O P Q R
11
12
13
14
15
16
17
18
19
20
21
22
23
STB5V_S
24
25
AB_SDA3
AB_SCL3
AM_SDA_S3
26
27
28
29
30
31
32
TO
D-BOARD
J6
(D6)
J12
TO
SLOT2
J-Board(3of4) Schematic Diagram
7 8