6-1
6-1
SUPPLY & HEADPHONE
BOARD
TABLE OF CONTENTS
Headphone part - Circuit ................................................. 6-1
Supply part - Circuit ......................................................... 6-2
Supply & Heaphone layout .............................................. 6-2
Electrical parts list ............................................................ 6-3
3086_0283_2
CONN. 1370 TO CONN. 1301 ON DAC CIRCUIT
HEADPHONE CIRCUIT DIAGRAM
10k
VHP L
-
-
-
R
L
-10V
+10V
(B)
(A)
NJM4556
NJM4556
-
10k
VHP R
-
-
GND
-
3380 D 1
3380 B 1
2383 A 6
2382 D 5
2381 B 5
2380 A 1
1372 A 6
1372 A 6
1371 B 6
1370 C 1
1370 C 1
1370 B 1
1370 A 1
1370 A 1
7380 D 4
7380 B 4
3386 B 4
3385 D 4
3384 A 3
3383 C 3
3382 B 3
3381 D 3
4
5
6
1
2
3
A
D
C
B
A
D
C
B
4
5
6
1
2
3
22n
2380
10n
2381
10n
2382
100n
2383
1371
1
2
3
-10V
+10V
+10V
-10V
15k
3384
120R
3386
10k 3382
10k 3381
15k
3383
120R
3385
7
5
6
8
4
7380
7380
1
3
2
1370
5
1370
1
1370
2
1370
3
1370
4
3380
3380
2
1372
1
1372
3999*
* For Testing only
3999 D 6
CC4000/CC4000F ONLY
