64
LC-30HV4U
LC-30HV4D
No image (4)
No image when
TV signal is receiv
ed
Chec
k the PC I/F unit.
Is the video signal on tuner image output
pin (19) of tuner (TU1101/1102)?
Chec
k per
ipher
als of the tuner
(TU1101/1102) and replace if necessar
y.
Are the tuner video signal inputs of IC1103
(A
V s
witch) in order?
Pin (63) of IC1301 (MAIN
TUNER IN)
Pin (60) of IC1301 (SUB
TUNER IN)
Is the le
v
el control signal sent from pin (1),
(12) of IC1105 to pin (6), (2) of IC1104
(LEVEL ADJ)?
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Are the MAIN/SUB video signal sent from
pin (30) of IC1301 and pin (44) of IC1301
respectiv
ely?
Chec
k IC1301 (A
V s
witch) and its
per
ipher
al circuits
.
NO
YES
YES
Is the video signal applied to pin (7) of IC401 (MAIN COMB FIL
TER) and pin (7) of IC402 (SUB COMB FIL
TER)?
<MAIN system>
Are the MAIN-Y/C signals applied to pin
(1) (TP812) and pin (48) of IC801 (MAIN
VIDEO CHR
OMA) respectiv
ely?
Chec
k lines and de
vices betw
een IC4001
and IC801.
(IC403, Q415, etc.)
Are the MAIN-Y/Cb/Cr signals sent from pins
(21), (22) and (23) of IC801 respectiv
ely?
Chec
k IC801 (MAIN
VIDEO CHR
OMA)
and its per
ipher
al circuits
.
Are the MAIN-Y/Cb/Cr signals applied to
pins (69), (68) and (67) of IC803 (RGB
DECODER) respectiv
ely?
Chec
k lines and de
vices betw
een IC801
and IC803.
(IC814, Q814, Q815, etc.)
Are the MAIN-R/G/B signals sent from pins
(35), (37) and (39) of IC803 respectiv
ely?
Chec
k IC803 (RGB DECODER) and its
per
ipher
al circuits
.
Are the MAIN-R/G/B signals sent from pins
(19), (15) and (12) of FL810 respectiv
ely?
Is cutoff frequency setting pin (17) of
FL810 (6.7/30 MHz L.P
.F
.) pulled high?
Chec
k FL810 (6.7/30 MHz L.P
.F
.) and its
per
ipher
al circuits
.
Are the MAIN-R/G/B signals applied to pins
(3), (7) and (10) of FL810 (6.7/30 MHz
L.P
.F
.) respectiv
ely?
Chec
k lines and de
vices betw
een IC803
and FL810.(Q801-3 etc.)
Chec
k lines and de
vices betw
een IC1301
and IC401/402.
NO
NO
Chec
k lines and de
vices betw
een IC402
and IC802.
(IC404, Q416-8, etc.)
Are the SUB-Y/C signals applied to pin (1)
(TP813) and pin (48) (TP407) of IC802
(SUB
VIDEO CHR
OMA) respectiv
ely?
Are the SUB-Y/Cb/Cr signals sent from pins
(21), (22)and (23) of IC802 respectiv
ely?
Chec
k IC802 (SUB
VIDEO CHR
OMA) and
its per
ipher
al circuits
.
YES
NO
Are the SUB-Y/Cb/Cr signals applied to Q901-2,
Q903-4 and Q905-6 (6.7 MHz L.P
.F
.) respectiv
ely?
Chec
k lines and de
vices betw
een IC802 and Q901-
2/Q903-4/Q905-6 (6.7 MHz L.P
.F
.).
YES
NO
Are the SUB-R/G/B signals sent from Q901-2,
Q903-4 and Q905-6 (6.7 MHz L.P
.F
.) respectiv
ely?
YES
Chec
k the PC I/F unit.
Chec
k Q901-2, Q903-4 and Q905-6 (6.7
MHz L.P
.F
.) and their per
ipher
al circuits
.
<SUB system>
•
AVC System
Summary of Contents for Aquos LC-30HV4U
Page 34: ...34 LC 30HV4U LC 30HV4D Continued ...
Page 44: ...44 LC 30HV4U LC 30HV4D ËVHiMSP4418G 1Q ASSY IC2501 Multi Sound Processor Block diagram ...
Page 48: ...48 LC 30HV4U LC 30HV4D ËVHiMM1519XQ 1 IC1401 Component Input Video Switch Block diagram ...
Page 50: ...50 LC 30HV4U LC 30HV4D ËVHiTB1274AF 1Q ASSY IC801 IC802 VIDEO CHROMA Processor Block diagram ...
Page 70: ...70 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D CHASSIS LAYOUT AVC System ...
Page 71: ...71 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 72: ...72 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D CHASSIS LAYOUT Display ...
Page 73: ...73 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 74: ...74 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D SYSTEM BLOCK DIAGRAM AVC System ...
Page 75: ...75 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 77: ...77 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 79: ...79 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 81: ...81 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 87: ...87 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 89: ...89 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 90: ...90 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D OVERALL WIRING DIAGRAM Display ...
Page 91: ...91 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 94: ...94 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë MAIN Unit 1 7 AVC System ...
Page 95: ...95 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 97: ...97 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 99: ...99 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 100: ...100 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë MAIN Unit 4 7 AVC System ...
Page 101: ...101 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 102: ...102 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë MAIN Unit 5 7 AVC System ...
Page 103: ...103 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 105: ...105 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 107: ...107 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 109: ...109 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 111: ...111 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 112: ...112 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë FRONT Unit AVC System ...
Page 113: ...113 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 114: ...114 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë SR Unit AVC System ...
Page 115: ...115 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 116: ...116 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AV Unit 1 5 AVC System ...
Page 117: ...117 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 118: ...118 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AV Unit 2 5 AVC System ...
Page 119: ...119 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 120: ...120 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AV Unit 3 5 AVC System ...
Page 121: ...121 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 122: ...122 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AV Unit 4 5 AVC System ...
Page 123: ...123 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 124: ...124 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AV Unit 5 5 AVC System ...
Page 125: ...125 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 141: ...141 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 143: ...143 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 145: ...145 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 147: ...147 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 149: ...149 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 150: ...150 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë MAIN Unit 1 3 Display ...
Page 151: ...151 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 152: ...152 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë MAIN Unit 2 3 Display ...
Page 153: ...153 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 154: ...154 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë MAIN Unit 3 3 Display ...
Page 155: ...155 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 156: ...156 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AUDIO Unit 1 2 Display ...
Page 157: ...157 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 158: ...158 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AUDIO Unit 2 2 Display ...
Page 159: ...159 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 160: ...6 5 4 3 2 1 A B C D E F G H 160 LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë INVERTER 1 Unit Display ...
Page 161: ...161 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë INVERTER 2 Unit Display ...
Page 163: ...163 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 164: ...6 5 4 3 2 1 A B C D E F G H 164 LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë OPERATION Unit Display ...
Page 165: ...165 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë R C LED Unit Display ...
Page 166: ...166 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë POWER Unit Display ...
Page 167: ...167 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 171: ...171 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 175: ...175 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 179: ...179 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 186: ...6 5 4 3 2 1 A B C D E F G H 186 LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AVC System PC I F Unit Side A ...
Page 187: ...187 6 5 4 3 2 1 A B C D E F G H LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë AVC System PC I F Unit Side B ...
Page 189: ...189 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 193: ...193 17 16 19 18 15 14 13 12 11 10 LC 30HV4U LC 30HV4D ...
Page 212: ...6 5 4 3 2 1 A B C D E F G H 212 LC 30HV4U LC 30HV4D Ë Ë Ë Ë Ë Display POWER Unit Side A ...