Assy,Pwb,Main; Board Connections & Locations. 54 - 56 Waveforms - Sanyo VIZZON HT30746 Service Manual

MODEL HT30746 Chassis No. 30746-00

ASSY,PWB,MAIN

AGND
IC652
LA5774-E
(3.3V,3A)
C655 R676
25KZ R665 1/10GJ
0.1LZF 1/10GJ 1KC
1KC
L654
3.3VDM
R634
D659
1/10GJ820C
UDZS3.0BG
C646 D1652
25EM C658
C659
1000 10EM HJ1G D654
LBWA 1000
LBWA
L652
14VDM IC653
LA5774-E
(1.8V,3A)
R653
R654 1/10GJ
1/10GJ 1.8KC
L653 390C
1.8VDM
C648
R650
C650 C654
25KZ
25EM 1/10GJ680C
0.1LZF HJ1G
1000
C660
LBWA
10EM
1000
LBWA
IC661
SI-3090FA
<9V,1A>
R661
J
14VTV
9VTV
16EM 31VTV-PF
C663 9VTV_PF
C661
R657
25KZ
100 D661
0.1LZF J
LBWA C662
D665
16EM
100
LBWA
IC662
SI-3050FA
<5V,1A>
6.5V 5VTV
R655
C666
C664 1/10GJ
25KZ D664
16EM
AGND D663 2.2KC
0.1LZF
100
C665
10 LBWA R656
15VA 21VA
16EM
3.3K
100
AGND
LBWA
14VTV 14VTV
21VTV-PF
14VTV
GND
GND
14VDM
14VDM
14VDM
GND
IC663
GND
1 K6PDA SI-3090FA
<9V,1A>
R662
J
14VTV
9VTV2
C671 C669
L661
25KZ
16EM
D662
K6PDD 0.1LZF
100 C668
C651
TUNING 5 LBWA
16EM
33V 25KZ
+B 100
0.1LZF
GND
LBWA
5VAL 5VAL
PFAIL
PFAIL PFAIL
PWR_SW
1
PWR_SW
K6PDB
12
NORMAL_SW
V_RAMP-
V_RAMP–
V_RAMP+
V_RAMP+
GND
HOLD_DOWN
HOLD_DOWN
PCC
PCC IC1851
GND
C1857 MC74HC04AFP
H_DRIVE
H_DRIVE CJ470CL
V_TIM
R1857
H_GND 1
1/10GJ
AFC
AFC R1851 2
AFC 68KC I:7/MAX9MA
V:5+-0.5V
GND 18K 3
ABL
ABL R1855
4
1/10GJ
1
5
15KC
6
R1856
R1852 7
GND
1/10GJ 3.3K
C1855
18KC
CJ180CL
D2301
5VTV 5VTV2
C2324
C2323
6.3EM
6.3EM
1000
1000
LBWA
LBWA
H_GND
14VTV
5VTV2
KGNDKG1
9VTV2
KG NTKG26
— 57 —
ELECTROSTATICALLY SENSATIVE DEVICES
Many solid-state devices (especially Integrated Circuits) are
Electrostatically Sensitive, and, therefore, require special handling
techniques as described under "Servicing Electrostatically
two in this service literature.
Sensitive Devices, " on page
IC803 5VAL L801
24LC08B/P
C1815 C862
:CAT24WC08L L803
25KZ L802
KZ
0.1LZF 0.01
A0 C822
1 VDD 8 LZF
6.3EM
A1 L804 IC802
2 TEST 7 470
3 A2 SCL 6 MN1381-Q LBWA
C865
4 VSS SDA 5 C864
10EM
KZ
47
0.01
C827
D835 LBWA LZF
KZ D827
UDZS
D836 0.01 UDZS
12BG D826
LZF 10BG
UDZS
12BG
C863 D825 R827
EM1 UDZS
100
LBWA
10BG
C867 R868
D810 D828
D838 1/10GJ1MC
KZ UDZS UDZS
0.01 10BG 10BG UDZS R867
HS LZF 10BG 1/10GJ100C
C823
VS
KK
C866
0.033
R837 D837 C837 KZ0.01
1/10GJ UDZS KK270 CBFJ LZB
10KC 10BG LZB
C826
R849
4.7K 1/10GZ0C
RC_IN
D809
UDZS
R809
10BG
KEY_IN 100
R805 D805
100
UDZS
R839 10BG
1/10GJ
R838 4.7KC R807
100 100
D839
PWR_SW R828
UDZS
1/10GJ4.7KC 10BG
5VTV
D843
R840
UDZS
1/10GJ10KC C840 10BG
CJ
D840
R842 22CL UDZS
1/10GJ 10BG
10KC C842 D842
CJ UDZS
L837
SDA_TV R841 22CL 10BG
C832 1/10GJ C841 D841
5.6KC CJ UDZS
CJ22CL
SCL_TV 22CL 10BG
L811
R801 C801 D801
C802
1/10GJ CJ UDZS
CJ22CL
5.6KC
22CL 10BG
5VAL
R855 R851
1/10GJ 1/10GJ
Q825
5.6KC 10KC
AJ PFAIL
R852
D857
R856 C844 1/10GJ
33V UDZS
6.2BG 1/10GJ KK
5.6KC
2200 Q851
47KC
AH
LZB
D858 R853
1/10GJ
47KC
21VA
IC651
6.5V
LA5774-E
(6.5V,3A)
R652
R651 1/10GJ
560C
1/10GJ
AV3_V
L651 1.8KC
R659 C672
C652 C653
1/10GJ HJ1G R2945
25EM D658 10EM
560C
1/10
1000 1000
GJ75C
LBWA
LBWA
AV3_U
R2954
1/10
GJ75C
AV3_Y
R2955
1/10
GJ75C
C1851
16EM
47LBWA
AV2_V
VCC 14 5VTV
L1851
13
R2931
12
1/10
11 C1852
GJ75C
10 25KZ
0.1LZF
9
AV2_U
8
HS R2932
1/10
C1854
GJ75C
CJ100CL
VS
C1853
CJ100CL AV2_Y
R2933
1/10
GJ75C
R2969
1/10GZ0C
NOTES;
R2968
1. RESISTORS SPECIFIED WITH RESISTANCE VALUE ARE "1/6DJ".
1/10GZ0C
2. RESISTORS SPECIFIED WITH TYPE OF RESISTOR, TOLERANCE
AND RESISTANCE VALUE ARE "1/4".
R2616 J2302
3. ALL CAPACITORS ARE 50WV RATING UNLESS OTHERWISE NOTED.
1/10 1/10
4. PARTS MARKED WITH ARE RELATED WITH X-RADIATION.
GZ0C GZ0C
5. THICK LINES ARE 15WATTS SUPPLY LINE.
6. VIEW OF TR & FET & IC.
R2617 LETTER
TOP VIEW
1/10 SIDE
GZ0C N
IN CASE
J2301 OF TR
B
1 E C E IN CASE
J B C
E CB 3 OF IC
1 2
S
7. ISOLATION BORDER LINE. G D IN CASE
OF FET
COLD SIDE HOT SIDE
— 58 —
1 6
1
KDL K9FRB 1 6
5VAL
R891
J
9V
C3419
16EM
470 C3420 D3416
LBWA 16EM Q3410 R3427
UDZS
100
1000 12BG AH
LBWA
R3415
R3417 1/10GJ
1/10GJ
100C
100C
R3416
D822 R834
C854 OSD_R
1/10GJ4.7KC 1/10GJ
UDZS CC4CL
10BG 1KC
C834 C855
OSD_G
CJ56CL R835 CC4CL
C821
CJ12CL C835 1/10GJ
C818 C856 SDA_TV
OSD_B
CJ56CL 4.7KC
CJ12CL CC4CL
SCL_TV
C836 R836
BLK_FULL
C868 X8219 CJ56CL 1/10GJ4.7KC
EM2.2
C833
LBWA R833
CJ56CL
1/10GJ
1.5KC
5VTV
9V
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 IC804
C871
25KZ TC7SET08FP
C3501
R815
1 48 0.1 LZF 16EM
1/10GJ10KC D871
R808 5 1 100
2 P70/INT0/TOLCP 47 UDZS LBWA
1/10 2
10BG C3521
3 P71/INT1/T0HCP CPU 46 GJ1KC
4 3 25KZ0.1
4 P72/INT2/T0IN 45 R812 LZF
UART_IN
5 44 100
P73/INT3/T0IN VDD2
R3515
6 43
P80/AN0 VSS2 47
7 UART_OUT
P81/AN1 P27/BL2 42
3 4
IC801
8 P82/AN2 P26/OSDCKI 41 R845
2
9 P82/AN3 P25/URX 40 100
LC8741XXA
R811 1 5
10 P84/AN4 P24/UTX 39
4.7K
11 38
P85/AN5 P23
R802 AMUTE IC805
12 P86/AN6 P22/SCK1 37
10K TC7SH08FP
13 P87/AN7 36 D816
UDZS R816
14 P30/SO6 35
10BG 100 3.3VDM
15 P31//SI6/SB6 34
C872
P32/SCK6 C816 R886 ACK_FACT
16 33 D872
25KZ
CJ33CL 1/10GJ10KC UDZS
0.1LZF
C814 10BG
R817 STAT_FACT
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 KZ0.01
C829 C803 LZF 100 R887
KZ0.01
KZ0.01LZF 1/10GJ
LZF R814
R870 C806 10KC
C815 100
1/10GJ R871 R872 KZ0.01LZF
KZ0.01
100KC 1/10GJ 1/10GJ
LZF R830
100KC 100KC
1/10GJ100C R862
R869 1/10GJ
R806
1/10GJ 1/10GJ4.7KC R848 Q854 10KC
C830 1/10GJ
470KC AH
KZ0.01 100C 1/10GJ4.7KC R846 R860
R829
R821 1/10GJ
LZF
1/10GJ 1/10GJ4.7KC R857 R863
1/10GJ100C Q853 10KC
R831 100C 1/10GJ
10KC AH
1/10GJ
100C R858
R861
Q852 9V
1/10GJ
AH
10KC 1/10
GJ
R859
10KC
1/10GJ
R850 1/10GJ10KC 10KC
WDT_OUT
PFAIL
C1261
0.1LZF
25KZ
9VTV
C1262
R2940 R2943 R2942
16EM
1/10GJ 1/10GJ 1/10
2.2KC 47LBWA
12KC GJ47C VIDEO3_V
R1262
R2944 R2941 Q2942
C2940 75
1/10GJ
1/10 AJ
16EM10
12KC
GJ47C
LBWA
R2949
R2946
R2948
1/10GJ
1/10GJ
2.2KC 1/10 GJ47C
12KC VIDEO3_U
C2950
R2958
R2950 C2943 R2947 Q2943 25KZ
75
1/10 1/10GJ 0.1LZF
16EM10 AJ C2951
GJ47C 12KC 16EM
LBWA
R2952
100
1/10GJ
R2951 LBWA VIDEO3_Y
2.2KC
1/10GJ
Q2950
R2957 R2960
12KC
AJ 1/10 75
R2959 GJ47C
R2953
C2945
1/10GJ
1/10 16EM10
12KC
GJ47C R2910
LBWA
1/10GJ 2.2KC
R2907
VIDEO2_V
1/10GJ Q2902
AJ
12KC R2909 R2956
1/10GJ 75
R2908
47C
R2906 C2902
1/10GJ
1/10GJ
16EM10 12KC R2920
47C
LBWA 1/10GJ
R2917
VIDEO2_U
2.2KC
1/10GJ
12KC Q2904
R2919 R1265
AJ
1/10 75
C2904 R2918 GJ47C
R2916
16EM10 1/10GJ
1/10
12KC C2905
LBWA
GJ47C C2908
25KZ
R2930 16EM
R2927 0.1LZF
1/10GJ 100
R2926 1/10GJ VIDEO2_Y
2.2KC LBWA
1/10 12KC
R2929 R1268
GJ47C
C2907 1/10GJ 47C
75
16EM10
Q2906
R2928
JWG5 LBWA
AJ
1/10GJ
12KC
8. LIST OF REPLACEABLE DIODES.
M (7ED00025) 1SS176, 1SS133, GMA01
R (7DD00019) 1S2076, 1S2473, DS442, 1N4148
AA (7DD00192) 1S2076, 1S2473, DS442, 1N4148, 1SS133
P (7DD00021) 1S2076A,1S2471, 1N4148
9. LIST OF REPLACEABLE TRANSISTORS.
2SC1740S 2SC945A 2SC1815
AD (7T200183) Q,R,S Q,P Y,GR
AE (7QT00202) Q,R,S R,Q,P O,Y,GR
2SA933S 2SA564A 2SA1015
AB (7T200181) R R Y,GR
AC (7T200182) Q,R Q,R O,Y,GR
10. "J" : JUMPER WIRE.
"X" : PART NOT USED.
IMPORTANT:
SCHEMATIC PART LOCATION NUMBERS MAY NOT ALWAYS MATCH THE SCHEMATIC SYMBOLS.
THE SCHEMATIC SYMBOLS AND PART DESCRIPTIONS ARE CORRECT AND SHOULD BE USED.
THE PART DESCRIPTIONS WILL BE LISTED UNDER THE LOCATION NUMBER IN THE PARTS LIST.
6
K9FRA AUDIO AMP
9V
R011
330
R012 Q001
AE
5.6K
C007
25EM
100
LBWA
R001
3.3K
L_IN
R_IN
R002
3.3K
Q3420
AH C3433 C3434 TP318
C3432
KK KK
R3424 EM0.1 4700 0.022
AGND
R3425 LBWA LZB LZB
100 C3439 TP317
1/10GJ C3431
PM4.7
1KC 9V
KK4700 LBZA C3451
LZB
PM1LBZA
C3436
PM4.7LBZA
Q3457
C3450
AH
PM1LBZA
C3437
BASS-L NC 25EM
C3401
C3448 PM1LBZA Q3458 4.7
EM0.1 R3456
LSOUT-R AUX1-L AH
LBWA J LBWA
C3446 PM1LBZA
LSOUT-L AUX1-R
R3458
R3401 220 IC3401 R3426 R3459 1/10GJ
SDA VCAWGT
C3427 1/10GJ J 1KC
C3435
R3402 220 CXA2234QP EM1LBWA
SCL 3.9KC R3460
VCATC 25EM
C3426
C3404 1/10GJ 4.7
10TK
DGND VCAIN 1KC
PM4.7 10DR LBWA
LBZA C3423
C3424
MAININ VEOUT
R3406 10TK R3467
R3407 PM4.7LBZA
1/10GJ 1/10 3.3DR
MAINOUT VETC R3475 J 1/10GJ R3469
100KC GJ1MC
C3422 R3422 180KC 1/10GJ
R3465
VEWGT 9V
C3406 PCINT1 1/10 180KC
KK0.047LZB 180K
KK0.012 GJ3KC
R3474 J
PCINT2 VE
LZB C3421 R3421 R3466
C3407
SAPIN 1/10GJ 1/10GJ R3476 J
KK5600LZB KK2700LZB
180KC
3.3KC R3477
C3408 R3468
C3471
EM1LBWA 180K 1/10GZ0C
16EM100
Q3508 LBWA
C3411 R3452 R3473
AH R3411
EM C3470 1/10GJ
J
1/10GF 25KZ 180KC
0.47 C3417 C3418
68KC C3416
LBWA C3412 PM4.7 0.1LZF
PM4.7 25EM
16EM
4.7 LBZA
C3414 LBZA
R3461 47 C3413
TP301 16EM LBWA AUDIO
1.8K R3462 LBWA 25EM
SELECT
4.7 470
1/10GJ 9V
LBWA
R3505 4.7KC LBWA
TJ5
1/10GJ
9VTV
C3415
1.5KC
L001 C489
D3401 16EM
16EM
1000 AVSW
470 R3471
LBWA INPUT
1 2 3 J R3463
LBWA
1/10GJ
RF –
H L 180KC
9VTV
AV1 L L H
9V R3464
AV1-S L H H
R3486 GJ 1/10
AV2 H – L R3488
180K 180KC
AV3 H – H 180K
ATSC – – – R3487 R3489 R3470
1/10GJ
1/10GJ 1/10GZ0C
DVI H – H 180KC
180KC
R3482 J
AVSW3
AVSW2
AVSW1
L820
5VTV
Q002
AE R883
100
R882
100
DM_UP
DM_VS
DM_YP
DM_HS
DM_VP
PFAIL
UART_CS
UART_OUT
UART_SIN
JP012
J
DM_R
DM_L
SDA_TV
SCL_TV
STAT_FACT
ACK_FACT
TIME_BASE
1 1 1 1 1
C109
EM2.2LWA
#
A101
F1FAM0161
GND 21 19 GND
GND
GND 20 18
1 5V
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
TPV1
R108
820 1
SC101
Z30B
C103
R103
KZ 0220G
1Vpp 47
2
0.01
5V
LZF
L101
C102
KZ0.01
R106 LZF
C101
100 R102
6.3EM
100
SCL_TV
1000
LBWA
SDA_TV
R101
33V 100
R100 C106
C105
J KZ
EM47
0.01
LBWA
LZF
— 59 —
IC001
LA42052-E
KSP
C011
1
C013 25EM1000LBWA
16PM
10LBZA C010
R008
C006
C001 8.2K 25EM1000LBWA
TJ4 4
EM4.7
16PM
LBWA
10LBZA
D015
# J
R003 C015
C008
1.8K 25EM K1002
KK4700CBQ AV3_Y
1000LBWA #
5
Y3 AV3
R004
R007
AV2_Y
1.8K 5WK0.47K
#
:5WK0.47V 4
C009 21VA Y2 AV2
KK4700CBQ
C1028 3
R1037 R1036
CV AV1
16EM10 1/10GJ 1
1/10 AV3_U
75C
LBWA GZ0C
10
U3 AV3
R3436
560 AV2_U
9
U2 AV2
C1026 R1031 8
R3437 R1032 L AV1
1/10GJ EM2.2 1/10GJ 6
1/10GJ AV3_V
LBWA 470KC
100KC 100C
15
V3 AV3
R3435
AV2_V
1/10GJ
R3434
100KC 14
560 V2 AV2
13
C1027 12 R AV1
R1034 R1033
EM2.2 1/10GJ 1/10GJ 11
C3480 LBWA
100C 470KC
25KZ0.1LZF L3480
9VTV
C3481
16EM100LBWA
14
13 R AV3
C1024 R1029 R1028
EM2.2 1/10GJ 1/10GJ
VIDEO LBWA 100C 470KC
11
SELECT
R AV2
12
R3483 C1023 R1026
R1027
R3484 1/10
EM2.2 1/10GJ 1/10GJ
1/10GZ0C GZ0C LBWA 470KC
100C
10
MONITOR
R
OUT
8
7 L AV3
R1023
C1022 R1024
1/10GJ
EM2.2 1/10GJ
R3481 LBWA 470KC
100C
R3480 R3485 4
47 L AV2
J J
3
C1021 R1022 R1021
L MONITOR
EM2.2 1/10GJ
1/10GJ
OUT
LBWA 470KC 1
100C
K1001
C3490
K1051
16EM10 R3494 5
R3493
LBWA
1/10GZ0C 1/10GJ 4
9VTV
R3490 75C Y 3
1/10
C 1 2
GJ C3491
R3495 R3496
25KZ
10KC Q3459 1/10GJ 1/10GJ 6
AH 0.1 220C 75C
R3491
LZF
1/10
K1052
GJ
R3497
10KC 1/10GJ CLKDMGND
220C
R3492
5VTV
A5V
1/10GJ1KC
GND
9VTV
# A9V
R660
GND
2SJ0.82
6.5V
6.5V
1.8VTU TU1.8V
GND
1.8VDM D1.8V
D1.8V
GND
3.3VDM
D3.3V
D3.3V
GND
2H_GND
DM_U
DM_VS
DM_Y
DM_2HS
DM_V
2H_GND
VIDEO2_U
VIDEO2_U
SWD_HS
VIDEO2_Y VIDEO2_Y
SWD_VS
VIDEO2_V VIDEO2_V
COMP_GND
VIDEO3_U
VIDEO3_U
COMP_GND
VIDEO3_Y VIDEO3_Y
COMP_GND
VIDEO3_V
VIDEO3_V
GND
PFAIL
TV_RESET
S_DETECT
H_LOCK
GPIO_CS
GPIO_NC
UART_OUT
UART_SIN
GND
33V
TU33V
GND
VIDEO_
CV_Y
V_GND
VIDEO1_C
AGND
DM_R
ANGD
DM_L
D899
UDZS10BG
D898
UDZS10BG
D897
UDZS10BG
D896
UDZS10BG
5VTV
— 60 —