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7-8 7-8
F514 B8
F515 A8
F516 A8
F517 A8
F518 A8
F519 E9
F520 E9
3509 C6
3511 C3
3514 C4
3515 D5
7500-B C4
9502 B9
F500 B2
F501 B2
F502 B3
F503 C3
F504 B3
F505 C3
F506 A4
F507 B4
F508 B5
F509 C5
F510 C5
F511 A5
F512 C7
F513 A7
HEADPHONE
connection to bracket
2502 B5
2505 B4
2506 C6
2507 B8
2508 C5
2509 C3
2510 C3
2511 C9
2512 C9
2513 D9
3500 A4
3501 A6
3502-A C7
3502-B B7
3503 B3
3504 B3
3505 B5
1316
HEADPHONE
SOCKET
connection to
cabinet contact-spring
3506 B4
3507 B4
3508 B5
HEADPHONE BOARD
3512 C3
3513 C5
RIGHT
connection to cabinet
3516 E8
7500-A A4
3456789
123456789
LEFT
HEADPHONE
LEVEL
open/close CDR
A
B
2503 B3
2504 B3
C
D
E
A
B
C
D
E
1500 A9
1501 A1
1502 C8
1503 D9
1505-1 D8
1505-2 E8
2500 A4
2501 A6
key2
INTERFACE BOARD
AMPLIFIER
10K
3506
12
to / from
1415
to DISPLAY BOARD
34
3507
10R
F504
2
3
F501
F500
F508
1501
HLJ1540
1
1500
1
2
3
4
5
6
390p
2510
FE-ST-VK-N
470p
2502
7500-B
NJM4556AM
5
6
7
3n3
2503
10K
1K
3509
3502-B
10K
5
4
6
3514
3502-A
10K
2
1
3
F505
F519
F509
12
100R
3504
1505-1
SKHVLJD010
3503
22R
9502
KEY
4K7
F503
3508
F513
F515
F518
2509
3n3
F511
1
3513
F506
F517
10K
2501
4u7
F516
3501
1K
470p
3500
10R
2511
provisional
100n
2508
4
NJM4556AM
7500-A
3
2
1
8
F520
F510
4u7
2506
3505
F512
10K
F502
F507
1503
1
2
F514
1502
EH-S
100n
2507
390p
2500
47u
2504
2505
47u
3515
4K7
3511
22R 100R
3512
3516
560R
Headphone CDR79x, 050402
2513
100n
100n
2512
+12V
-12V
HP_R
HP_L
+12V
-12V
EVM
. . . V
V
DC VOLTAGES MEASURED IN
STOP MODE
UNLESS STATED OTHERWISE
0V
0V
12V
-10,9V
0V
0V
0V
typ. +12V
typ. -11,5V
0V
0V
0V
12
+0,6
/
-1,2
V
-11
+1,5
/
-1,1
V
3103 303 3485.2
2002-02-01
HEADPHONE Board / componentside view
Headphone Board CDR79x, 050402
1500 B1
1501 A3
1502 C2
1503 C1
1505 C3
2500 B2
2501 B2
2505 B2
2506 A3
3500 B1
3502 B3
3507 B1
9501 B1
9502 C1
HEADPHONE
SOCKET
HP LEVEL
OPEN/CLOSE
CDR
3103 303 3485.2
2002-02-01
2502 B2
2503 A3
2504 B2
2507 C2
2508 B2
2509 A3
2510 B2
2511 C3
2512 A3
2513 A3
3501 B3
3503 A2
3504 B2
3505 B2
3506 B2
3508 B2
3509 B3
3511 A2
3512 B1
3513 B2
3514 A2
3515 A2
3516 C2
4503 C3
4506 A2
4509 A3
7500 B2
HEADPHONE Board / copperside view
Headphone Board CDR79x, 050402
1500 B1
1501 A3
1502 C2
1503 C1
1505 C3
2500 B2
2501 B2
2505 B2
2506 A3
3500 B1
3502 B3
3507 B1
9501 B1
9502 C1
HP LEVEL
HEADPHONE
SOCKET