Toshiba 42WP37C Service Manual page 79

J-Board (4 of 4) Schematic Diagram
AA AB
C8043
C8035
C8041
0.1u 0.1u
16V 16V
16V
2.2u
Q8001
R8061
R8060
3.3k 3.3k
2SD0601A0L
11
12
R8036
3.3k
R8072
R8047
270
0
C8027
R8035
16V
Q8002 C8049
3.3k
2.2u
50V
2SD0601A0L
0.01u
IC8007
C0JBAR000111
IC3003
C1AB00000441
L3005
EX.I/O
ELJPA100KF
9V C3010
R3030 16V
0 0.1u
1 16
SW1 SW1 Vcc
AE_SW1
2 15
SW0 SW0 SCL
AE_SW0
R3031 3 14
DAC4=CS(S) DAC4 SDA
0 4 13
DAC3=FAN_CONT DAC3 SAD2
R3034 330
5 12
DAC2=LPF(S) DAC2 SAD1
R3082 R3035 330
6 11
13
DAC1 DAC1=SYNC_INH(S) SAD0
R3036 330
10
100 7
DAC0 DAC0 SW3
R3037 0
8 9
GND GND SW2
0
R3038
ZA3008
K4ZZ01000121
14
15
16
17
18
19
20
21
22
23 IC3004
STB5V_S
STB5V_S
C3011
16V
C1AB00000454
0.1u
R3032 0 1 16
SW1 SL2_DET VCC
R3033 0 2 15
SW0 SL1_DET SCL
R3195 10k 3 14
24 DAC4 IICSW SDA
10k R3039
R3196 4 13
25 DAC3 IICSW SAD2
330
5 12 R3040
DAC2 75ohm SAD1
330
R3041
6 11
DAC1 SAD0
330
7 10 R3042
DAC0 SW3
0
9
8 R3043
GND SL3_DET SW2
0
EX.I/O
26
27
28
29
30
31
32
LAN15V
J-Board(4of4)Schematic Diagram
8 9
TO
9V
J-BOARD
(2/4)
R8062 R8071
0
270
R8089 1k
R8091 1k
M
S
C8050
0.01u
50V
R8094
100
9V
C3012
IC8008
50V
0.01u
52
C0JBAR000111
C3020
R3064 2.2u
53
56
R3070 75 54
9V 1%
CS VIDEO CS VIDEO
R3065 C3021
2.2u 55
TV_PB
56
R3071 56
SWITCH SWITCH 1% 75
GND
R3066
C3022 2.2u 57
TV_PR
56
75 58
R3072 1%
Vcc
R3067
C3023 2.2u 59
Y1
56 C3013
60
R3073 1% 75
GND
R3068 C3024 50V
2.2u 61
PB1
56 0.01u
R3074 62
1% 75
R3069 C3025 2.2u
63
56 64
1%
R3075 75
SLOT1 :3
SLOT2 :2
SLOT3 :1
PC :T
IC3005
C1AB00001139
INPUT SW
IC3006
C3032
16V
C1AB00000441
0.1u
9V
R3086
0
1 16
SW1 SW1 Vcc
2 15
SW0 SW0 SCL
3 14
R3087
DAC4=CS(M) DAC4 SDA
0 R3094
4 13
DAC3 DAC3 SAD2
R3095 330
5 12
DAC2 DAC2=LPF(M) SAD1
330
R3096
6 11
DAC1=SYNC_INH(M) SAD0
330
7 10 R3097
R3083 DAC0 DAC0 SW3
0
100
8 9 R3098
GND GND SW2
0
EX I/O
ZA3007
K4ZZ01000121
STB5V_S SLOT5V
SLOT9V SLOT3.3V
10 11
9V
Q3101
2SD0601A0L
R3102 180
R3128
180
1%
Q3102
180
2SD0601A0L R3103
R3129
180
1%
R3130
180
1%
Q3103
R3101
R3104
2SD0601A0L 180 R3105 R3106
180 180
180
1% 1% 1%
Q3104
2SD0601A0L
R3199
180
R3131
C3106
180 1%
16V
Q3105 2.2u
R3200
180
2SD0601A0L
R3132
180 1%
C3107
R3201 R3107
180 16V
0
R3133
0.1u
180 C3104
Q3106 1%
C3015 16V
9V
50V 0.1u
2SD0601A0L
C3108
0.01u
16V
1% 1% 2.2u
R3202 R3204
C3018 1%
R3108
180 180
16V R3203 0
180
47u C3105 C3109
32 16V 16V
C3019
0.1u
31 16V 0.1u
0.1u
30
GND GND
29
R3112
Yout1 PRout3 L3out C3017
28 0
Avcc GND 50V C3110
DVcc
16V
Vcc MonSW 0.01u R3057
27
TV_Y L1out SCL 0.1u
56
GND L2out 26
SDA
GND L2
25 R3058 R3120
PR1 L1 ADRESS P5V
56
SW SW 24 0
DGND
L1 PR3
23 C3111
L2 GND L3
56 16V
L3 PB3 22 R3054
0.1u
R3055 330k
21
R3056
20 330k
ZA3004
K4ZZ01000121
C3253
5V
16V
2.2u
R3297
C3254
0
16V
C3251
0.1u
16V
0.1u
C3255
16V
2.2u
R3298
0
C3256
C3252
16V 16V
0.1u 0.1u
R3253
0 C3257
16V
0.1u
R3124
0
C3258
16V
0.1u
J13
TO
SLOT3
12 13
AC
VIDEO AMP
(MAIN)
AVR 5V
IC3201 5V_M
IC3109
C1AB00001720
AN78L05M-E1
9V
JS8096
R3194
C3117
33
16V
1 0.1u IN 3
28 1
GINA/UINA NC C3202
OUT
R3193 16V
2 27 C3112
GSG1 RINB/YINB 33 1u
16V COMMON
R3116
3 26 0.1u
2
GINB/UINB GSR1 C3201
C3113
0
16V
4 25 C3144
NC RINA/YINA C3143 D3024
2.2u MA2J11100L 16V
16V
R3121
5 2.2u
24 2.2u C3204
BINA/VINA VCC4
0
6 23 C3115
GSB1 SYNCIN
16V
R3113 0.1u C3118
7 22
BINB/VINB MUXSEL
0 47u
8 16V
21
NC VFC
R3114
9 20 C3114
DISABLE RFC
1% 16V
820 4.7u ZA3005
10 19
GND3 GND4
K4ZZ01000121
11 18
BOUT/VOUT VCC1
R3122
12
17 C3116
VCC3 ROUT/YOUT 0
16V
13 16 0.1u
GND2 GND1
C3134
R3123 16V R3190
14 15
GOUT/UOUT VCC2
470u 75
0
1% AF_HD_HX
AG_PR_M
C3135
AF_DPMS_HD
R3188
16V
R3230
470u AG_Y_M
1%
75
AG_PB_M
1% 1% 5V_S R3189
C3136
1%
16V 75
R3117 R3118
470u
AVR 5V
4.7k
1.5k
IC3108
9V
R3192
AN78L05M-E1
33
C3264
16V
0.1u 1 3
1 28 IN
GINA/UINA NC
C3259 OUT
R3191
2 27 16V
33
GSG1 RINB/YINB R3259
0.1u COMMON
0
3 26
GSR1 2 AF_VD_HX
GINB/UINB
C3260
4 25
NC RINA/YINA AF_DPMS_VD
16V
D3021
R3125 C3141
5 24 2.2u 0
MA2J11100L
BINA/VINA VCC4 16V
2.2u
R3256
6 23 C3262 C3265
SYNCIN
GSB1 0.1u
16V C3142
AF_HD_HX
0
16V 47u 16V
7 22
BINB/VINB MUXSEL
2.2u
C3261
21 C8072
8
NC VFC 10u
10V
R3255
9 20 16V
DISABLE RFC
ZA3006
1% 4.7u
820
10 19 K4ZZ01000121
GND4
GND3
R3126
11 18
BOUT/VOUT VCC1
0
12 17
VCC3 ROUT/YOUT
C3263
16V
13 16
GND1
GND2 0.1u
14 15
VCC2
GOUT/UOUT
R3127
C3266
0 C8073
16V
R3260 10u
470u
75 1% 10V
AF_Y_S
R3261
C3267 1% AF_PB_S
75
16V
470u
IC3251
AF_PR_S
1%
R3262
C3268
1% 75
1% 16V
C1AB00001720
R3254 R3257 470u
4.7k 1.5k
VIDEO AMP
(SUB)
STB5V_S
9V P5V
TO
HX-BOARD
J14
(HX1)
J-BOARD TNPA2826 (4/4)
!
J-Board(4of4)Schematic Diagram
14
42WP37
AD
RS232C
DRIVER
STB5V_S
C3205
16V
1u
C3203
1 16
C1+ VCC 25V
0.1u
2 15
VS GND
14
3
C1- T1OUT
AJ_TXD_4
4 13
C2+ R1IN
16V AJ_RXD_4
1u
5 12
C2- R1OUT
AJ_RXD4
6 11
16V VS- T1IN
AJ_TXD4
1u
7 10
T2OUT T2IN
8 9
R2IN R2OUT
STB5V_S
L3050
ELJPA100KF
5V
INVERTER
C3200
16V
1 14 1u
I1 VCC
2 13
O1 I6
3 12
I2 O6
100
4 11
O2 I5
5 10
I3 O5
6 9
O3 I4
7 8
GND O4
R3231
9V
100
R3212 C8070 C8071
4.7k 0.1u
R3216 47u
3.3
Q8010
R3210 2SD0601A0L
100
D8010 R3217
MA3X15300L 3.3
R3213
4.7k Q8011
2SB0709A0L
9V
R3214
4.7k R3218
3.3
Q8012
2SD0601A0L
R3211
100
D8011
R3219
MA3X15300L
3.3
R3215
4.7k Q8013
2SB0709A0L
15