JVC LT-26A61BJ Service Manual page 49

MAIN PWB CIRCUIT DIAGRAM (1/4) SHEET 1
ST5V
TP328
TP327
ZD254
KDZ5.6V
ZD253
KDZ5.6V
ZD252
KDZ5.6V
ZD251 AD0
KDZ5.6V AD1
ZD250 AD2
KDZ5.6V AD3
KEY PWB ASS'Y H P_IDEN ALE
1
HP_AL
2
J209-1 HP_AR
3
4
(SHEET5)
5
6
7
L302 B-800 K EY0
C312 L303 B-800 K EY1
100P SCART2_ID
LED PWB ASS'Y
L301 4.7K
4
L304 B-800 DEC_HS
J210-1 3
C315 VDVS
2
OPEN L305 B-800 SCART1_ID
1
(SHEET6) ZD255
ST5V
KDZ5.6V
ZD256
KDZ5.6V H P_IDEN
ZD257
KDZ5.6V
J209
CON4P(A2004WV0-4P)
SDA1
SCL1
PANEL OPTION
S EC32 A UO32 S H 37
SDA2 1
SCL2
R 3 6 6
TO INVERTER
J304
MAD0
MAD1
14
Q1
MAD2
15
Q2
16
GND
MAD3
17
Q3
MAD4 18
Q4
MAD5 19
Q5
MAD6
20
Q6
MAD7
Q301
AMC1117-3.3SK(SOT223)
C301 CE301
3 2 104 100uF 10V(105 ?
IN OUT
C1608
D301
TP303
KDS181
R386 1
3
2
OPEN
CE302
R387 100uF 10V
OPEN 1
D1
2
D4
3
D2
4
D3
5
XROM_
6
VDD2.5
7
VSS
8
VDD3.3
RN309 B-121A 9
P0.0 U302
10
P0.1
11
P0.2
SDA5550M
12
P0.3
R390 4.7K 13
P0.4
R304 100
14
P0.5
R307 100 15
P0.6
R308 100 16
P0.7
R310 10K
17
ENE
R312 (1608) 18
STOP_
19
OCF
C306 221
20
EXTIF_
C308 224 21
CVBS BLANK/COR
C309 104
22
VDDA2.5
23
VSSA
R318 2.7K 24
P2.0
25
P2.1
26
P2.2
R320 100 27
P2.3
R321 2.7K
28
NC1
R322 100
29
HS/SSC
R327 100 30
VS
R328 100
R330 4.7K
R343 1K
ST5V
R349 R350
4.7K 4.7K
3 1 R355
100
Q305
2N7002 R356
3 1
100
Q304
2N7002
L306
ST5V
B-501(3216)
U303
C319
104
1 8
. +5
2 7
. VCLK
3 6 ESCL
. SCL
R382 R373 ESDA
4 5
. SDA
100 100
Q309 ST5V
KTC3875S-Y 3
1
2
3
4
5
6
1 3
Q316
KTC3875S-Y
ST5V
R370
10K
R380
R375 10K
10K
5V
ST5V
MCA12
4
A12
MCA15
3
A15
2 MCA16
A16
MCA18
1
A18
32
VCC TP301
31
WE/
MCA17
30
A17
R301 OPEN
ST5V
R391
0
U301
MAIN PWB ASS'Y(1/4)
QAL0823-001 [LT-26A61BJ,LT-26A61BU,
LT-26A61BU/C,LT-26A61SU/C]
QAL0822-001 [LT-26A61SJ,LT-26A61SU]
QAL0825-001 [LT-32A61BJ,LT-32A61BU,LT-32A61SU/C]
QAL0824-001 [LT-32A61BU/C,LT-32A61SJ,LT-32A61SU]
80 CVBS
FL_RST
Y
79
A7
78
A13
77
A12
C
76
A14
C305 SCART_R
75
VDD3.3
74 104 SCART_G
VSS
R392 SCART_B
73
VDD2.5
72 4.7K
FL_PGA
71
A15
70
A17
69
A16
68
A18
R305 100 TP306
67
A19
66 SCART_FB
NC6 TP325
65 R309 OPEN
RD_
R311 OPEN TP326
64
WR_
63
NC5
62 R313 100 RESET
P1.7
C307 103 TEXT_R
61
NC4
60 R314 4.7K R315 10 TEXT_FB TEXT_G
R316 10 TEXT_B TEXT_B
59
B
R317 10 TEXT_G
58
G
57 R319 10 TEXT_R
R
56 C310 104
VDDA2.5
55
VSSA
54
NC3
C311 33P SCL
53
XTAL1
SDA
52
XTAL2
51 X301
NC2
6MHZ
#RESET
C316 33P DEC_HS
TEXT_FB R413
R332 22
R333 22 #RESET
C461
152PF
R335
22K
1 3
. .
C318
Q303 104
KIA7027AF
SCART_B
SCART_G
SCART_R
5V
L408
B-501(3216)
TXD
1
RXD
2
3
'05-05/27
4
ST5V
7657_CTL
J302 5
YFM254-05 5PIN
Q311
KTC3875S-Y Q308
KTC3875S-Y
2 2
R367 100 SCART FB
(No.YA369)2-9 2-10(No.YA369)
NOTE : Refer to the part list for the part number of U301 and U303.
V CC3_3
L501
B-501(3216) GM66102-2.5TC3(TO-252)
1
C501
CE518 104
100uF 16V
V CC3_3
L401
V CC3_3A V CC2_5A
B-501(3216)
C402 C403 C404 C405 C406 C407 CE402 C506 C507 C508 C509
104 104 104 104 104 104 22uF 16V 104 104 104 104
U402
TW9918
C460 151P
C409 104 61 125 RN413
MUX0 DRAM_DQ15
C411 104
60 126
MUX1 DRAM_DQ14
C459 151P
64 127
MUX2 DRAM_DQ13
65 2
MUX3 DRAM_DQ12
RN412
66 3
MUX4 DRAM_DQ11
C412 104
67 4
DRAM_DQ10
MUX5
C413 104 5
DRAM_DQ9
C414 104
62 6
MXOUT DRAM_DQ8
63 115 RN415
V CC3_3 YIN DRAM_DQ7
R411 470 57 116
YBFOUT DRAM_DQ6
R412 68
117
DRAM_DQ5
C415 104 56 118
CIN0 DRAM_DQ4
C416 104 55 121 RN414
CIN1 DRAM_DQ3
122
DRAM_DQ2
2 Q403 75 123
. RIN0 DRAM_DQ1
KTA1504S-Y 76 124
GIN0 DRAM_DQ0
80
BIN0
68 106 RN418
FB0 DRAM_AD10
93
DRAM_AD9
C417 104
74 94
RIN1 DRAM_AD8
C419 104 77 95
GIN1 DRAM_AD7
C420 104 RN417
81 97
BIN1 DRAM_AD6
69 98
FB1 DRAM_AD5
R462 4.7K 99
DRAM_AD4
83 100
HS DRAM_AD3
R415 RN416
85 101
RSET DRAM_AD2
680 104
DRAM_AD1
R416 22
9 105
SCLK DRAM_AD0
R417 22
10 107
SDAT DRAM_BA
V CC3_3
R418 4.7K 11
SIAD
R419 0 RA06
112
DRAM_LDM
RA10
13 91
RST DRAM_UDM
R414 33 7 111 RA07
PDN DRAM_WE
RA05
8 110
OE DRAM_CAS
RA08
12 109
TMODE DRAM_RAS
108 RA09
DRAM_CS
100 RA02 0 RA03
15 92
XI CLK
X401 RA01 0 16 28 RN408
XO VD15
27MHz
29
VD14
R427 1M 30
VD13
14 31
VDDE0 VD12
RN409
38 32
VDDE1 VD11
V CC3_3
L402 C425 C426 102 33
VDDE2 VD10
B-501(3216) 22P 22P 119 34
VDDE3 VD9
128 35
VDDE4 VD8
36 RN410
VD7
CE404 C427 C428 C429 C430 C431 17 37
VSSE0 VD6
10uF 16V 104 104 104 104 104
39 40
VSSE1 VD5
96 41
VSSE2 VD4
103 42 RN411
VSSE3 VD3
120 43
VSSE4 VD2
V CC3_3
L404 1 44
VSSE5 VD1
B-501(3216)
45
VD0
R429
26 25
VDD0 VCLK
46
VDD1
CE405 C432 C433 C434 C435 R432
89 18
VDD2 FIELD
10uF 16V 104 104 104 104
113 19
VDD3 HSYNC
20
VSYNC
R438
27 21
VSS0 HACTIVE
R440
47 22
VSS1 VACTIVE
90 23 R442
VSS2 DVALID
VC C3_3 L405 R443
114 24
VSS3 MPOUT
B-501(3216)
70 58 C438
AVD0 VREFP
C439
73 59
AVD1 VERFN
CE407 C440 C441 C442 86 54 C443
AVD2 VCOM0
10uF 16V 104 104 104 79 C444
VREFP1
C445
71 78
AVS0 VREFN1
72 82 C446
V CC3_3 AVS1 VCOM1
L406 84
AVS2
B-501(3216) R444
48
T0
R393 100 88 49 R445
AVDP T1
50 R446
T2
CE408 C447 R447
87 51
AVSP T3
10uF 16V 104 52 R448
T4
53 R449
T5
VC C2_5 V CC3_3 V CC1_
Q501
Q502 L502 AIC1117A-18CY
B-501(3216)
3 3 2
IN OUT VIN VOUT
C502 C503
104 CE503 104 C
100uF 16V
CE502 CE504
220uF 16V(105 ? 47uF 16V(105 ?
VC C2_5 V CC1_
L504 L505
V CC1_8A
B-501(3216) B-501(3216)
C510 C511 CE506 C512 C513 C514 C515 C516 C517 C518 C519
104 104 22uF 16V 104 104 104 104 104 104 104 104
V CC3_3A
VC C3_3
U401
KM416S1020
TSOP-50
V CC3_3A
V CC3_3
R597
33 TDQ15 390
From JP_DVI1
TDQ14
1
TDQ13 M_R_TX2+
207
2
USE FPC
TDQ12 M_R_TX2- 208
3
33 TDQ11 M_G_TX1+
2
4
TDQ10 M_G_TX1-
3
5
TDQ9 M_B_TX0+ 5
6
TDQ8 M_B_TX0-
6
7
33 TDQ7 M_TXCLK+ 8
8
TDQ6 M_TXCLK- 9
9
TDQ5
11
10
TDQ4 M _D_SDA 14
11
33 TDQ3 M _D_SCL 15
12
TDQ2
13
TDQ1 PC_HS 18
14
TDQ0 PC _VS 19
15
BLUE+
20
16
33 TAD10 BLUE- 21
17
TAD9 SOG 22
18
TAD8 GREEN+
23
19
TAD7 GREEN- 24
20
33 TAD6 RED+
25
21
TAD5 RED-
26
TAD4 JP_DVI2
TAD3 FI-R21S-VF PB- 27
33 TAD2 PB+
28
TAD1 Y - 29
TAD0 Y +
30
TBA CA01 OPEN SO Y
31
PR- 32
'05-09/20 Change
33 TLDM PR+
33
33 TUDM
36
33 /TWE HDCP Line ADD 37
33 / TCAS C548 104
38
R5 75 ADD
33 / TRAS
39
33 / TCS C549 104 40
33 TCLK VD_C0 RN513 B-300A
VD_C1
C424 10P
B-300A VD _Y7 VD_C2 41
VD _Y6 VD_C3
42
VD _Y5 VD_C4 RN515 B-300A 43
VD _Y4 VD_C5 44
B-300A VD _Y3 VD_C6
45
VD _Y2 VD_C7 46
VD _Y1 V DHS R571 68 47
VD _Y0 HDCP R575 68
48
B-300A VD_C7 51
VD_C6 C550 10P 52
VD_C5
53
VD_C4 VDCLK R572 68 54
B-300A VD_C3 VD _Y0 RN516 B-300A 55
VD_C2 VD _Y1
56
VD_C1 VD _Y2 57
VD_C0 VD _Y3
58
33 VDCLK VD _Y4 RN517 B-300A
59
VD _Y5 60
33 C436 10P VD _Y6
61
R434 33 V DHS VD _Y7
77
R436 33 VDVS VDVS R573 68
TP404
OPEN R574 100
67
OPEN TP405 TP503 R576 OPEN
68
33 ALE R577 B-300 69
TP407
OPEN R D R579 B-300
70
WR
71
104 AD0 72
104 AD1
73
104 AD2 74
104 RESET AD3 75
104
ADJ_PWM
104 200
TP501
R580 OPEN 201
OPEN TP408
TP409 TP502
OPEN R581 OPEN 62
TP410
OPEN C552 104 158
OPEN TP411
TP412
OPEN R584 B-300 76
TP413
OPEN R586 B-300 78
C553 33P 202
X501
14.318MHZ
203
C554 33P