Service manual

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~ JB Board Schematic Diagram [ Audio Processor, AV Switch, Chroma Decoder, Video Processor, Main Micro ] Page 5/9 ~
JL1004
STBY2.5V
WR_RAM
CR_IN
STBY3.3V
VS
SCL_B
POWER2
N_RESET
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IC1003
SDA5550M-QB-T
D1 D4 D2 D3 XROM# VDD2.5 VSS VDD3.3 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 ENE# STOP# OCF EXTIF# CVBS VDDA2.5 VSSA P2.0 P2.1 P2.2 P2.3 N.C. HS/SSC VS
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
VSS
VDD3.3
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P4.2
P4.3
RST#
N.C.
XTAL2 XTAL1
N.C.
VSSA
VDDA2.5
R
G
B
BLANK/COR
N.C.
P1.7
N.C.
WR#
RD# N.C.
A19 A18 A16 A17 A15
FL_PGM
VDD2.5
VSS
VDD3.3
A14 A12 A13
A7
FL_RST
A8
A6
A9
A5
A11
A4
ALE
PSEN#
A3
A10
VSS
VDD3.3
A2
A1
FL_CE
D7
A0
D6
D0
D5
RD_RAM
STBY3.3V
CS
47
RB1005
2
1
4
3
6
5
8
7
Q1002
XX
6MHz
X1000
WR_RAM
RD_RAM
47
RB1012
1
2
3
4
5
6
7
8
STBY2.5V
100
RB1011
1
2
3
4
5
6
7
8
CB_IN
47
RB1000
1
2
3
4
5
6
7
8
16V
47
C1029
STBY3.3V
SCL_5V
POWER_AV
STBY3.3V
STBY3.3V
STBY5V
56789
10 11 12 13
14 15 16 17 18 19 20
21222324
2526272829
30 31 32
1 2 3 4
IC1002
OPT
A7
A6
A5
A4
A3
A2
A1
A0
Q0
Q1
Q2
VSS
Q3
Q4
Q5
Q6
Q7
E
A10
G
A11
A9
A8
A13
A14
VPP
A16
A15
A12
A17
P
VCC
STBY2.5V
AC_DEF_DET
STBY_LED
RD_RAM
47
RB1001
1
2
3
4
5
6
7
8
SIRCS
CVBS_1
ALE_M
STBY3.3V
P_MUTE
WP_256K
WR_RAM
RST_O
16 15 14 13 12 11 10 9
87654321
CXA1875AM-T4
IC7402
SW1
SW0
DAC4
DAC3
DAC2
DAC1
DAC0
GND SW2
SW3
SDA0
SDA1
SDA2
SDA
SCL
VCC
CVBS_1
STBY3.3V
0uH
FB1000
ALE_M
STBY5V
Q7419
XX
STBY3.3V
100
RB1017
1
2
3
4
5
6
7
8
SDA_B
HD
STBY3.3V
RST_I
100
RB1010
1
2
3
4
5
6
7
8
1k
R1033
RGB_SEL
8765
4321
M24C32-WMN6T(B)
IC1005
E0
E1
E2
VSS
SDA
SCL
WC
VCC
100
RB1002
1
2
3
4
5
6
7
8
RST_I
1/10W
100k
R7602
D1001
XX
S
Q1000
XX
RST_O
STBY2.5V
SDA_5V
1
2
3
4
5
6
6P
CN5402
RD/ECS_5V
WR/ESC_RX
RST_O/ECS_NC
RST_I/ECS_NC
ALE_M/ECS_TX
GND
KEY2
STBY2.5V
47
RB1006
2
1
4
3
6
5
8
7
10uH
L1000
FB_DET
100
RB1016
1
2
3
4
5
6
7
8
STBY2.5V
YC_C
VCC
GND
OUT
PST600IMT
IC1006
RESET_AUDIO
STBY5V
RB1008
4.7k
1
2
3
4
5
6
7
8
YC_Y
1k
R1031
RB1009
4.7k
1
2
3
4
5
6
7
8
16V
47
C1028
ON_TIMER
100
RB1004
1
2
3
4
5
6
7
8
AC_DEF_DET
100
RB1003
1
2
3
4
5
6
7
8
AVLINK
8765
4321
LM393DT (A)
IC1010
OUT1
-IN1
+IN1
VSS
+IN2
-IN2
OUT2
VCC
STBY3.3V
Y_IN
STBY3.3V
100
RB1007
1
2
3
4
5
6
7
8
Q7411
XX
XX
D7402
STBY3.3V
16V
10
C1007
16V
0.22
C9004
LAMP_LED
100
RB1014
1
2
3
4
5
6
7
8
POWER_AV
RESET_TR
STBY3.3V
A5V
KEY
HDMI_RST
STBY2.5V
TRIDENT_BUS
47
RB1013
1
2
3
4
5
6
7
8
100
RB1015
1
2
3
4
5
6
7
8
REG17.5V
HS
LAMP_FLAG
1 2 3 4 5 6 7 8 9
10
BRN
10P
CN9506
GND GND P_MUTE WP_256K GND SCL_33 GND SDA_33 GND GND
P_MUTE
WP_256K
SCL_B
SDA_B
1
2
3
4
5
6
7
8
9
10
11
11P
CN9507
GND
SIRCS
GND
STBY+5V
GND
POWER ON LED
LAMP LED
TIMER LED
STBY LED
GND
KEY
LAMP_CTL
LAMP_FLAG
1
2
3
4
4P
CN9509
GND
KEY2
KEY
GND
CHIP
0
R9725
POWER/RESERVE_LED/RX
KEY2
SIRCS_OUT
STBY5V
0
R9726
LAMP_LED
0
R9727
ON_TIMER
STBY_LED
0
R9728
CHIP
0
R9729
KEY
CR_OUT
C_MAIN
Y_MAIN
Y_OUT
CB_OUT
CVBS_TRIDENT
PSW_MAIN
STBY5V
AC_OFF_DET
Q8490
MSD601-RST1
JL9619
LUMISPONDER
XX
R7579
MSD601-RST1
Q9605
A5V
1/16W
10k
R9766
1/10W
100
R9767
XX
R9768
LAMP_CTL
POWER/RESERVE_LED/RX
TX
1
2
3
4
5
5P
CN9508
GND
GND
LMP_CTL
GND
LMP_PROT
50V
100p
C1024
50V
33p
C1021
XX
C1035
CHIP0
R1044
1/16W
R7545
10k
XX
R7547
XX
R7549
CHIP
0
R1105
10V
0.1
C1011
XX
C7435
10V
0.1
C1020
1/16W
10k
R7493
XX
R7544
CHIP
0
R1046
1/10W
5%
100
R1001
CHIP
0
R1016
1/16W
100
R1126
XX
R7546
1/10W
100
R7504
0
R7500
100R7511
16V
0.22
C1037
1/16W
10k
R7578
100
R1028
XX
C1031
XX
R7535
CHIP
0
R1103
10K
R8499
1/16W
10k
R1083
0
R1082
1/16W
10k
R7497
50V
33p
C1019
10K
R8498
XX
R7590
CHIP
0
R7532
CHIP
0
R7537
0R1011
XX
R1000
CHIP
0
R1002
50V
100p
C1022
0R1010
10V0.1
C1010
XX
R7593
10V
0.1
C1006
1/16W
10k
R7592
10V
0.1
C1023
CHIP
0
R1102
47kR1020
16V
0.22
C9001
47k
R1021
XX
R7530
XX
R7570
100
R7510
XX
C1030
XX
C1013
CHIP0R1017
CHIP
0
R1034
50V
100p
C1018
10V
0.1
C1017
0
R7563
XX
R1061
0
R1047
0
R7531
1/16W
10k
R7494
CHIP1kR1045
XX
C1033
100
R7506
XX
C7436
XX
R7550
0
R1027
XX
R7503
0R1043
10V
0.1
C1009
CHIP
0
R1012
1/16W
R7580
10k
CHIP
0
R1106
1/16W
10k
R7588
100R1040
0
R1042
100R1041
0
R7538
XX
R7591
100R7509
10V
0.1
C1015
1/16W
10k
R1069
XX
R1067
0
R7551
XX
R7498
1/10W
100
R1063
XX
R7501
CHIP
0
R1018
1/16W
10k
R7492
CHIP
0
R7529
1/10W
47k
R7495
50V
100p
C1016
XX
C1034
100R7505
XX
R7502
1/10W
100
R1065
CHIP
0
R1104
10V
0.1
C1012
100
R1064
XX
R7499
0
R1115
XX
R7543
47k
R1019
10
R1039
1/10W
100
R7577
XX
R1125
0
R7533
10V
0.1
C1032
1/10W
100
R1059
XX
C8536
10V
0.1
C1008
XX
R1081
100
R1030
1/16W
10k
R7496
10K
R7534
100
R7512
10V
0.1
C1014
CHIP
0
R1014
CHIP
0
R7568
XX
R1070
CHIP
0
R1003
100
R7507
32 31 30 29 28 27
123456
26 25 24
789
23 22 21 20 10 11 12
19 18
17
13 14 15
16
K6F2008V2E-LF70T00
IC7403
A(11)
A(9)
A(8)
A(13)
WE
CE2
A(15)
VCC
A(17)
A(16)
A(14)
A(12)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
A(0)
D(0)
D(1)
D(2)
GND
D(3)
D(4)
D(5)
D(6)
D(7)
CE
A(10)
OE
4.7k
R1009
1/10W
CHIP
0
R7599
VD3_3
XX
R1130
XX
R1131
0
R1132
CHIP
0
R1133
POWER/RESERVE_LED/RX
TX
10V
1UF
C9590
1kR7508
1/10W
470
R1060
A17
A7
A3
D3
A0
D4
A16
A2
A0
D7
A4
D2
A1
A5
D5
A11
D0
A15
AD5
PSEN
A1
AD0
A2
A12
D2
A12
D4
A6
A13
D1
A18
A8
A14
A7
D4
A11
A9
A12
D5
A5
AD1
A14
D6
A7
A6
A9
A10
A14
A1
A15
A2
A17
A15
D6
A5
D7
RD#
A16
A4
A17
A6
A18
WR#
A0
AD7
A8
A18
D7
ALE#
D1
AD3
A9
A16
D6
A4
PSEN
D2
A11
A13
D5
A8
AD4
D1
A13
D0
AD6
D0
D3
A3
D3
A3
AD2
A10
A10
PS
JB
5/9
JB.-LE4B
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
TO H2 BOARD
CN1000
TO H1 BOARD
CN4404
TO C BOARD
CN3004
0.01
C7591
0.01
C7590
STBY5V
R1127 0
10K
R8497
MICRO
PORT EXPANDER
RAM MEMORY MICRO
NVM MICRO
DUAL OPAM (AV LINK)