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3-35
3-36
CIRCUIT DIAGRAMS
1. POWER (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
D105~D108 is Defective
14VA No Power
D125 is Defective
5.6VA No Power
D123 is Defective
3.3VA No Power
D121 or D122 are Defective
Switching Error
IC101is Defective
Switching Error
IC102,IC103 are Defective
No Power
FR101 is Defective
12V No Power
Q123 is Defective
5.0V No Power
Q126 is Defective
3.3V No Power
Q121 is Defective
WHEN SERVICING THIS CHASSIS, UNDER NO CIR-
CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE NAD. ALL COMPONENTS SHOULD BE
REPLACED ONLY WITH TYPES IDENTICAL TO
THOSE IN THE ORIGINAL CIRCUIT. SPECIAL COMPO-
NENTS ARE SHADED ON THE SCHEMATIC FOR
EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM MAY
OCCASIONALLY DIFFER FROM THE ACTUAL CIR-
CUIT USED. THIS WAY, IMPLEMENTATION OF THE
LATEST SAFETY AND PERFORMANCE IMPROVE-
MENT 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 dur-
ing Play mode.
IMPORTANT SAFETY
NOTE :
Содержание T517AHT
Страница 9: ...1 8 MEMO...
Страница 30: ...3 17 FIG 7 2 DVD F FE RFL FIG 7 3 CD F FE RFL...
Страница 31: ...3 18 FIG 7 4 CD F FE RFL 8 FOCUS ON WAVEFORM 27 28 29 30 27 28 29 30 FE FOSO F F IC601 FIG 8 1 DVD...
Страница 35: ...3 22 13 AUDIO OUTPUT FROM MT1389S FIG 13 1...
Страница 36: ...3 23 CONNECTOR PICTURE 1 ALL CONNECTOR PICTURE...
Страница 37: ...3 24 2 MAIN BOARD CONNECTOR PICTURE...
Страница 38: ...3 25 CN201 MD 23PIN 3 CN201 CONNECTOR PICTURE CN202 MD 9PIN 4 CN202 CONNECTOR PICTURE...
Страница 39: ...3 26 CN602 POWER 10PIN 6 CN602 CONNECTOR PICTURE CN601 Front 12PIN 5 CN601 CONNECTOR PICTURE...
Страница 40: ...3 27 CN604 USB 4PIN 7 CN604 CONNECTOR PICTURE CN605 KARAOKE 4PIN 8 CN605 CONNECTOR PICTURE...
Страница 41: ...3 28 CN705 5 1ch 12PIN 9 CN705 CONNECTOR PICTURE...
Страница 49: ...3 37 3 38 2 MPEG CIRCUIT DIAGRAM...
Страница 50: ...3 39 3 40 3 SERVO CIRCUIT DIAGRAM...
Страница 51: ...3 41 3 42 4 JACK CIRCUIT DIAGRAM...
Страница 52: ...3 43 3 44 5 SCART CIRCUIT DIAGRAM OPTION...
Страница 53: ...3 45 3 46 6 USB CIRCUIT DIAGRAM 7 KEY CIRCUIT DIAGRAM...
Страница 54: ...3 47 3 48 8 TIMER CIRCUIT DIAGRAM...
Страница 57: ...3 53 3 54 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW...
Страница 59: ...3 57 3 58 5 SCART P C BOARD OPTION TOP VIEW BOTTOM VIEW 6 USB P C BOARD TOP VIEW BOTTOM VIEW...
Страница 65: ...4 6 MEMO...
Страница 67: ...4 9 4 10 MEMO MEMO...