59
LC-30HV4M
LC-30HV4H
•
AVC System
No image (6)
No image when
TV signal is receiv
ed
Chec
k the PC I/F unit.
No telete
xt screen appears
.
Is the video signal on tuner image output
pin (19)?
Chec
k per
ipher
als of the tuner (TU1101)
and replace if necessar
y.
Is the video signal on pin (5) of IC1106
(LEVEL ADJ
.) or
TP1101?
Is the video signal applied to pin (63) of
IC1301 (A
V s
witch)?
Is the le
v
el control signal sent from pin (1)
of IC1104 to pin (6) of IC1103 (A
V s
witch)?
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Chec
k lines and de
vices betw
een pin (5) of
IC1103 and pin (63) of IC1301.
Are the MAIN/SUB video signal sent from
pin (56) of IC1301 and pin (44) of IC1301
respectiv
ely?
Chec
k IC1301 (A
V s
witch) and its
per
ipher
al circuits
.
Is the telete
xt signal receiv
ed (is a telete
xt-suppor
ting receiv
er connected to the video input
ter
minal) and
TELETEXT selected on the remote controller?
Select
TELETEXT in an appropr
iate manner
.
Is the video signal applied to pin (21) of
IC1601 (TELETEX CPU)?
Chec
k lines and de
vices betw
een pin (56) of
IC1301 (A
V s
witch) and pin (21) of IC1601.
(Q1612, Q1606-8 and IC1604)
Is the te
xt signal sent from pins (57), (58)
and (59) of IC1601?
Chec
k IC1601 and its per
ipher
al circuits
.
Is the te
xt signal applied to pins (57), (53)
and (55) of IC1401 (A
V s
witch)?
Chec
k lines and de
vices betw
een pins (57), (58),
(59) of IC1601 and pins (57), (53), (55) of IC1301.
NO
YES
NO
NO
NO
NO
YES
YES
YES
YES
<P
AL/SECAM> Is the video signal applied to pin (7) of IC401 (MAIN COMB FIL
TER) and pin (7) of IC402 (SUB COMB FIL
TER)?
<NTSC> Is the video signal to pin (93) of IC7001 (MAIN COMB FIL
TER) and pin (7) of IC402 (SUB COMB FIL
TER)?
<MAIN system>
<P
AL/SECAM>
Are the MAIN-Y/C signals applied to pins
(4)/(5) and pins (39)/(7) of IC801 (MAIN
VIDEO CHR
OMA), respectiv
ely?
<NTSC>
Are the MAIN-Y/C signals applied to pin
(1) (TP812) and pin (48) of IC801 (MAIN-
VIDEO CHR
OMA) respectiv
ely?
<P
AL/SECAM>
Chec
k lines and de
vices betw
een IC401
and IC801.
(IC403, Q415, Q618-19 etc.)
<NTSC>
Chec
k lines and de
vices betw
een IC7001
and IC801.
(IC7003, Q7005-6, Q616-17 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 IC7001/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>
Summary of Contents for Aquos LC-30HV4H
Page 11: ...11 LC 30HV4M LC 30HV4H DIMENSIONS 365 430 250 5 180 95 183 Unit mm AVC System ...
Page 29: ...29 LC 30HV4M LC 30HV4H Continued ...
Page 37: ...37 LC 30HV4M LC 30HV4H ËVHiMSP4458G 1Q ASSY IC2501 Multi Sound Processor Block diagram ...
Page 41: ...41 LC 30HV4M LC 30HV4H ËVHiMM1519XQ 1 IC1401 Component Input Video Switch Block diagram ...
Page 43: ...43 LC 30HV4M LC 30HV4H ËVHiTB1274AF 1Q ASSY IC801 IC802 VIDEO CHROMA Processor Block diagram ...
Page 64: ...64 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H CHASSIS LAYOUT AVC System ...
Page 65: ...65 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 66: ...66 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H CHASSIS LAYOUT Display ...
Page 67: ...67 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 68: ...68 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H SYSTEM BLOCK DIAGRAM AVC System ...
Page 69: ...69 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 71: ...71 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 73: ...73 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 75: ...75 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 81: ...81 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 83: ...83 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 84: ...84 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H OVERALL WIRING DIAGRAM Display ...
Page 85: ...85 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 87: ...87 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë SR Unit AVC System ...
Page 88: ...88 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë MAIN Unit 1 7 AVC System ...
Page 89: ...89 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 91: ...91 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 93: ...93 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 94: ...94 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë MAIN Unit 4 7 AVC System ...
Page 95: ...95 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 96: ...96 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë MAIN Unit 5 7 AVC System ...
Page 97: ...97 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 99: ...99 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 101: ...101 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 103: ...103 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 105: ...105 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 106: ...106 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë FRONT Unit AVC System ...
Page 107: ...107 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 108: ...108 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë AV Unit 1 5 AVC System ...
Page 109: ...109 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 111: ...111 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 113: ...113 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 114: ...114 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë AV Unit 3 5 AVC System ...
Page 115: ...115 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 117: ...117 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 119: ...119 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 135: ...135 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 137: ...137 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 139: ...139 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 141: ...141 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 143: ...143 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 144: ...144 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë MAIN Unit 1 3 Display ...
Page 145: ...145 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 146: ...146 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë MAIN Unit 2 3 Display ...
Page 147: ...147 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 148: ...148 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë MAIN Unit 3 3 Display ...
Page 149: ...149 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 150: ...150 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë AUDIO Unit 1 2 Display ...
Page 151: ...151 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 152: ...152 8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë AUDIO Unit 2 2 Display ...
Page 153: ...153 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 154: ...6 5 4 3 2 1 A B C D E F G H 154 LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë INVERTER 1 Unit Display ...
Page 155: ...155 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë INVERTER 2 Unit Display ...
Page 157: ...157 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 158: ...6 5 4 3 2 1 A B C D E F G H 158 LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë OPERATION Unit Display ...
Page 159: ...159 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë R C LED Unit Display ...
Page 165: ...165 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 169: ...169 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 173: ...173 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 180: ...6 5 4 3 2 1 A B C D E F G H 180 LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë AVC System PC I F Unit Side A ...
Page 181: ...181 6 5 4 3 2 1 A B C D E F G H LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë AVC System PC I F Unit Side B ...
Page 183: ...183 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 187: ...187 17 16 19 18 15 14 13 12 11 10 LC 30HV4M LC 30HV4H ...
Page 206: ...6 5 4 3 2 1 A B C D E F G H 206 LC 30HV4M LC 30HV4H Ë Ë Ë Ë Ë Display POWER Unit Side A ...