- 24 -
IC BLOCK DIAGRAM
MAIN BOARD
U1: DS1233DZ-5+T&R
MAIN BOARD
U2, U206, U207, IC202: NJM7805FA-#ZZZB
IC203: NJM7812FA-#ZZZB
2
4
3
1
GND
GND
Vcc
RESET
OUT
IN
GND
MAIN BOARD
U3: QUAD 2INPUT EXCLUSIVE
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
1Y
2A
2B
2Y
GND
V
CC
4B
4A
4Y
3B
3A
3Y
MAIN BOARD
U201: SN74HCU04D (SOP)
1
1A
14 VAC
2
1Y
13 6A
3
2A
12 6Y
4
2Y
11 5A
5
3A
10 5Y
6
3Y
9
4A
7
GND
8
4Y
MAIN BOARD
U210, U211: OPA2134PA DIP OP AMP
1
B
A
2
3
4
Out A
-In A
+In A
V-
8
7
6
5
V+
OUT B
_In B
+In B
+ –
– +
Summary of Contents for C545BEE
Page 1: ...NAD C 545BEE COMPACT DISC PLAYER C 545BEE COMPACT DISC PLAYER SERVICE MANUAL...
Page 14: ...14a MAIN BOARD top side...
Page 16: ...15a MAIN BOARD bottom side...
Page 18: ...16a SERVO BOARD bottom side top side...
Page 31: ...28 SERVO BOARD U2 MOTOR DRV W 3 3V REG...
Page 32: ...29 SERVO BOARD IC1 DSP TC94A73MFG...
Page 35: ...32 TROUBLESHOOTING GUIDE...
Page 48: ...45 MECHANISM EXPLODED VIEW DA11VZ...
Page 53: ...SERVICE MANUAL NAD 2012 C 545BEE COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...