26
AMPLIFIER 1
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
V –
AMPLIFIER 2
V +
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
1
2
3
4
8
7
6
5
+ –
– +
MAIN BOARD
U305, U306: OPA2604
A1
B1
Y1
A2
B2
Y2
GND
VCC
B4
A4
Y4
B3
A3
Y3
1
2
3
4
5
6
7
14
13
12
11
10
9
8
MAIN BOARD
U403: TC74HC00AP
OUT
IN
GND
MAIN BOARD
U501, U506, U507: 78XX
1
OUTPUT A
2
A
INVERTING
INPUT A
3
NON INVERTING
INPUT A
OUTPUT B
INVERTING
INPUT B
NON INVERTING
INPUT B
4
GND
8 V+
7
6
5
- +
B
-
+
MAIN BOARD
U601: LM393D
Summary of Contents for C541i
Page 1: ...NAD C 541i COMPACT DISC PLAYER C 541iCOMPACT DISC PLAYER SERVICE MANUAL...
Page 12: ...12 PCB LAYOUT DISPLAY BOARD KEY BOARD LIVE BOARD LED BOARD...
Page 13: ...14 13 MAIN BOARD...
Page 34: ...36 EXPLODED VIEW...
Page 37: ...SERVICE MANUAL NAD 2002 C 541i COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...
