
3-58
3-57
CIRCUIT DIAGRAMS
1. SMPS CIRCUIT DIAGRAM
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
No Power
BD101,R101 is Defective
VFD No Power
D126 is Defective
13VA No Power
D122 is Defective
S/W Error
IC101,IC104 is Defective
Switching Error
IC102,IC103 are Defective
No Power
F101 is Defective
5V NoPower
IC152 are Defective
3.3V NoPower
IC153 are Defective
12V NoPower
IC151 are Defective
No Power
D102 is Defective
3.3VA No Power
D123 is Defective
12VA No Power
D121 is Defective
5.3VA No Power
D124 is Defective
12V NoPower
IC154 are Defective
WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL
DESIGN BE MODIFIED OR ALTERED WITHOUT
PERMISSION FROM THE JVC. ALL COMPONENTS
SHOULD BE REPLACED ONLY WITH TYPES
IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT.
SPECIAL COMPONENTS ARE SHADED ON THE
SCHEMATIC FOR EASY IDENTIFICATION. THIS
CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER
FROM THE ACTUAL CIRCUIT USED. THIS WAY,
IMPLEMENTATION OF THE LATEST SAFETY
AND PERFORMANCE IMPROVEMENT CHANGES
INTO THE SET IS NOT DELAYED UNTIL THE NEW
SERVICE LITERATURE IS PRINTED.
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during Play mode.
IMPORTANT SAFETY
NOTE :
Содержание XV-BP1A
Страница 13: ...2 6 MEMO ...
Страница 54: ...3 41 3 Video Part 1 100 Full Color bar 7 9 10 8 11 14 CVBS_I 7 Y 8 Pb 9 Pr 10 ...
Страница 55: ...3 42 4 Video Part 2 100 Full Color bar 9 8 11 14 13 12 CVBS 11 COMP_Y 12 COMP_Pb 13 COMP_Pr 14 ...
Страница 56: ...3 43 5 AUDIO PART S PDIF 15 17 16 18 19 21 ASPDIF 15 ...
Страница 57: ...3 44 6 HDMI PART 17 16 18 19 21 20 HDMI_SDA 16 HDMI_SCL 17 HDMI_CLK 18 HDMI_DATA 19 ...
Страница 58: ...3 45 7 FRONT I F PART 21 20 T_TX 20 R_RX 21 ...
Страница 59: ...3 46 BLOCK DIAGRAMS 1 OVERALL BLOCK DIAGRAM ...
Страница 60: ...3 47 2 SMPS BLOCK DIAGRAM ...
Страница 61: ...3 48 3 SYSTEM BLOCK DIAGRAM ...
Страница 62: ...3 49 4 MT8520 DDR2 SDRAM NAND FLASH EEPROM BLOCK DIAGRAM ...
Страница 63: ...3 50 5 MT8520 HDMI ETHERNET USB AV BLOCK DIAGRAM ...
Страница 65: ...3 52 7 SMPS POWER SIGNAL BLOCK DIAGRAM ...
Страница 66: ...3 53 8 MAIN BOARD POWER SIGNAL BLOCK DIAGRAM ...
Страница 68: ...3 55 10 LEVEL SHIFTER CEC EFUSE BLOCK DIAGRAM ...
Страница 69: ...3 56 MEMO ...
Страница 71: ...3 60 3 59 2 POWER TIMER USB CIRCUIT DIAGRAM ...
Страница 72: ...3 61 3 62 3 MT8520 1 CIRCUIT DIAGRAM ...
Страница 73: ...3 63 3 64 4 MT8520 2 CIRCUIT DIAGRAM ...
Страница 74: ...3 65 3 66 5 KEY CIRCUIT DIAGRAM ...
Страница 75: ...3 67 3 68 6 TIMER CIRCUIT DIAGRAM ...
Страница 76: ...3 69 3 70 7 DDR2 SDRAM CIRCUIT DIAGRAM ...
Страница 77: ...3 71 3 72 8 NAND FLASH ETHERNET CIRCUIT DIAGRAM ...
Страница 78: ...3 73 3 74 9 AV HDMI CIRCUIT DIAGRAM ...
Страница 79: ...3 75 3 76 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 80: ...3 77 3 78 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 105: ...4 24 MEMO ...
Страница 106: ...4 26 4 25 CIRCUIT DIAGRAM ...
Страница 108: ...4 29 4 30 PRINTED CIRCUIT BOARD DIAGRAMS TOP VIEW ...
Страница 109: ...4 31 4 32 BOTTOM VIEW ...