NAD T775, Service Manual

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57
POWER SUPPLY(STAND BY)
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POWER TRANSFORMER
TO J753A
TO POWER
SUPPLY 2
(KEYBOARD)
TO POWER SWITCH
BLU/BLK
BWN/WHT
BWN/WHT
BLU/BLK
UL: TI-053904 & TI-053907
120V - WHT
0V - BLK
0V - BLU
230V - BWN
CE: TI-053903 & TI-053906
FOR T785: FOR T775:
CE: TI-053901
230V - BWN
0V - BLU
0V - BLK
120V - WHT
UL: TI-053900
T785 UL: 1
T785 CE: 1
T775 UL: 1
For R8006:
T775 CE: 1 T775 CE: 6.3A
For F8001:
T775 UL: 10A
T785 CE: 10A
T785 UL: 10A ALL UL MODELS: 1.6A
ALL CE MODELS: 800mA
For F8002:
UL VER.: 3.9M
For R8005:
UL: N.I.
CE: JUMPER
FOR JP8001:
FOR JP8002:
CE: N.I.
UL: JUMPER
T765 CE: 0 (Jumper)
T765 UL: 0 (Jumper) T765 UL: 10A
T765 CE: 6.3A
CE VER.: N.I.
D8001
1N4007
D8003
1N4007
C8003
0.022u
50V
C8002
4.7u
50V
R8001
10k
R8005
3.9M
1/2W
M8002-A
D8004
1N4007
D8006
1N4007
D8005
1N4007
R8003
0.22 1/2W
(Fusible)
C8006
0.01u 250V
J8012
J8016
F8001
250V/10A
J8017
1
2
3
4
5
M8001
TO XFORMER
1
2
3
4
5
6
T8001
TO5382B
M8003
AC Outlet
F8002
250V/1.6A
J8011
R8002
47k
C8001
1000p_(M)
63V
Q8001
2SC1815Y
J8013
AC INLET
J8015
AC INLET
J8014
AC INLET
JP8002
JUMPER
JP8001
N.I.
M8004
TO XFORMER
R8006
0
1
2
3
4
J8002A
To CONN#2 J8002B
D8002
1N4007
M8002-B
C8005
N.I.
230V
J8003A
N.I.
(T785 ONLY)
J8001A
2 PIN CONNECTOR
R8004
N.I.
C8004
N.I.
230V
1
2
3
4
5
6
7
8
9
10
DGND
CHGND
CHGND
DGND
+13V
POWER_ON
+12.3V