CIRCUIT
CIRCUIT
INPUT
CIRCUIT
DRIVER
CIRCUIT
SEPP OUTP
CIRCUIT
PROTECTION
CIRCUITS
DRIVER
SEPP OUTP
RIPPLE
FILTER
CIRCUIT
INPUT
88
88
8
CHIP
SELECT
I
2
C BUS
TRANSCEIVER
I/O POR
T
DA
T
A
LA
TCHES
PWR
RES
OUT
I/O
IN
SHIFT
REG
8
CIRCUIT
CIRCUIT
INPUT
CIRCUIT
DRIVER
CIRCUIT
SEPP OUTP
CIRCUIT
PROTECTION
CIRCUITS
DRIVER
SEPP OUTP
RIPPLE
FILTER
CIRCUIT
INPUT
A2
FROM MAINS 1203
HP_LEFT
LEFT
GND_A
HP_RIGHT
SUBWOOFER
OUT
FROM/T
O HP
SOCKET
BOARD
GND
GND
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
COMBI BOARD
AMPLIFIER PART
GND
F3.15AL
RIGHT
A1
A1
F
G
H
I
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
F3.15AL
HP_DET
B1
+50
A2
B
C
D
E
GND
8
SCL
2
SDA
3
SO
1
VDD
13
16
CS0
CS1
15
CS2
14
4
D0
5
D1
D2
6
D3
7
D4
9
D5
10
D6
11
12
D7
7005
M62320FP
B1
47n
2322
3097
3K3
3704
6K8
B1
8
B2
11
GND1
3
GND2
9
IN
5
NF1
4
NF2
2
O1 7
O2 10
RF
1
STBY
6
VCC
12
100n
7301
AN7591
2335
10u
2318
3701
470R
5K6
3053
BC847B
7010
2707
100p
100u
2314
3307
470R
3310
4R7
371
1
27K
2713
100p
2709
470p
47u
2714
6325
1N4003
2333
47u
100u
2716
C1
3714
4K7
3303
330R
3301
220R
4n7
2307
1u
5302
1u
1u
2701
5301
8
B1
11
B2
3
GND1
9
GND2
5
IN
4 NF1
2
NF2
7
O1
10
O2
1 RF
6 STBY
12
VCC
6306
1N4148
AN7591
7302
4R7
3312
STP16NE06
4n7
2303
10u
2334
7309
1u
2310
C1
YKC21-3416
1004 1
3
2
3035
10K
3K3
3096
5
6
7
100p
2700
7700-B
NJM4556AM
100u
2341
BZX79-C6V8
6324
1u
2032
2K2
3380
6K8
3706
A1
2319
47n
6323
1N4148
BC856B
7307
2304
4n7
27K
3705
100n
2317
BZX79-B24
6315
3028
4K7
1300
4
5
6
7
8
9
C1
2305
47u
EH-B
1302
1
2
3
3340
330R
A1
2708
1u
4K7
3712
1301
3353
1K8
BC856B
7310
3306
470R
6304
BYV28-200/20
3042
1K
100p
2038
7004
BC817-25
BC817-25
7009
2336
10u
6302
1N4003
NJM4556AM
7700-A
3
2
1
8
4
GND_A
1u
5303
27K
3700
YKD21-0026
1307-B
3
4
6303
1N4003
220R
3302
BC857B
7013
3079
4K7
+5V
3326
4K7
470R
3308
2055
22u
39R
3032
3311
4R7
4K7
3328
47n
2321
B1
330R
3331
BC857B
7000
1
2
3
4
GND_A
+5V
FE-BT-VK-N
1014
3342
10K
3379
2K2
100u
231
1
2309
1u
BC857B
7313
100u
2046
2033
100u
4n7
3318
3K3
BC817-25
7329
2316
3095
470R
GND_D
+5V6
6002
1N4148
5K6
3337
+5V
6332
1N4148
3707
27K
3315
330R
1N4148
6003
+5V6
2300
10u
10K
3031
330R
3304
470p
2702
2315
4n7
470R
3709
100p
2062
270R
3107
2312
100u
7308
BC847B
5300
1u
2308
4n7
6311
1N4003
9261
0300
100p
2706
3713
10R
3057
1K
22n
2715
+5V
2045
100p
4n7
2302
3014
10K
3329
3K3
2301
4n7
39R
6308
BYV27-200
3066
2
1
470R
3305
STP16NE06
7304
BC847B
1307-A
6301
1N4003
7300
7328
BC817-25
BZX79-B3V9
6307
2061
100p
470R
3094
3341
4K7
3033
39R
3065
39R
7011
BC817-25
2R2
3046
3048
5K6
9214
BC807-25
7006
+5V_CD
(Source Sel. 1018)
1u
2058
2320
47n
3071
10K
100n
2070
3034
10K
3715
10K
2K2
3077
2051
100n
2313
100u
47u
2306
10K
3062
1N4003
6300
2K2
3059
3300
3K9
2K2
3081
3082
2K2
BC817-25
7012
470p
2057
470R
3073
2324
47p
5700
3336
5K6
3323
47K
4K7
3327
2u2
I2C_DA
T
A
I2C_CLK
3314
2K2
4R7
3309
+5V
AMP_ON
AMP_ON
MUTE_SW
MUTE_SW
HP_DET
HP_DET
MUTE_HP
MUTE_HP
AMP_MUTE
MIC_DET
MIC_DET
MUTE_LINE
+5V CD ON
MUTE_LINE
+12V_A
SUB_W
AMP_RIGHT
AMP_RIGHT
AMP_LEFT
AMP_LEFT
CL_DET
(Source Selector part)
+50V
+50V
+12V_A
VOL_LEFT
VOL_RIGHT
A
Combi-Amplifier Part 2001 09 24
POWER STAGE
BUFFER AMPLIFIER
SUPER-G SWITCHES
MUTE
MUTE
MUTE
MUTE
0V
4,4V
1,3V
15,6V
0V
0V
0V
16,6V
1,3V
0V
5,4V
5,4V
5,4V
0V
0V
0V=hedphone detected
5V=no headphone detected
0V=hedphone muted
5V=headphone active
0V=Amplifier switched off
5V=Amplifier active
0V=Amplifier and Subwoofer muted
5V=Amplifier and Subwooferactive
0V
0V
0V
5V
0V
0V
4,9V
0V
0V
0V
0V
14V
8,3V
8,3V
14V
Power Amplifier
7,5V
13V
46,9V
16,7V
46,7V
16,8V
35V
16,7V
16,8V
22,9V
47V
47V
0V
5,6V
17V
35V
23V
47V
0V
5,6V
5,6V
5,6V
5,6V
11,2V
5,6V
3,8V
3,8V
8,3V
1,6V
0,6V
0V
7,7V
4,9V
4,8V
-0,5..-2,5V
From Source Selector Part 7506
4,8V
-0,2..-1,5V
4,8V
-0,5..-2,5V
0,7V
-0,2..-1,5V
0,7V
-0,2..-1,5V
0,7V
-0,5..-2,5V
0,7V
4,2V
4,8V
4,2V
.....V measured in MUTE off
.....V
4,4V
1,3V
15,6V
16,6V
1,3V
0V
0V
0V
14V
8,3V
8,3V
14V
Power Amplifier
measured in MUTE active
.....V measured with headphone
.....V measured without headphone
-0,5..-2,5V
-0,5..-2,5V
#...Not for MC-500
Note : Some values may varies, see respective
parts list for correct value.
#...Not for MC-500
#
330n Polcap for MC-500
*
*
330n Polcap for MC-500
*
*
11-7 11-7
COMBI CIRCUIT - AMPLIFIER PART
0300
C10
1004
F1
1014
G1
1300
E9
1301
A9
1302
A1
1307-A
F14
1307-B
E14
1315
B1
2032
I5
2033
E5
2038
H2
2045
H2
2046
C5
2051
F1
2055
F4
2057
F2
2058
G4
2061
I13
2062
I13
2070
I14
2300
D9
2301
A7
2302
E7
2303
A7
2304
E7
2305
A7
2306
E7
2307
C8
2308
G8
2309
A9
2310
E9
2311
A10
2312
E10
2313
B10
2314
F10
2315
B9
2316
G9
2317
F13
2318
F12
2319
F13
2320
F12
2321
F13
2322
F12
2324
B14
2333
F7
2334
B1
2335
B2
2336
B2
2340
C14
2341
A3
2700
E3
2701
E1
2702
E3
2706
F3
2707
C3
2708
D1
2709
C3
2713
D3
2714
E3
2715
D4
2716
D1
3014
G2
3028
I5
3031
H10
3032
H4
3033
H4
3034
H10
3035
I5
3042
H3
3046
I7
3048
I8
3053
I8
3057
H4
3059
I10
3062
I9
3065
H5
3066
H5
3071
G4
3073
F2
3077
F2
3079
G4
3081
G3
3082
G3
3094
I13
3095
I13
3096
E4
3097
D4
3105
C2
3106
C2
3107
H14
3300
F7
3301
A7
3302
E7
3303
A8
3304
E7
3305
C6
3306
F7
3307
C8
3308
G8
3309
A10
3310
E10
3311
B10
3312
F10
3314
A14
3315
A12
3318
A13
3323
C13
3326
B12
3327
A12
3328
B12
3329
C13
3331
A13
3336
B7
3337
F8
3340
D13
3341
E13
3342
D11
3353
C7
3364
C12
3365
D12
3366
C13
3367
C14
3379
C6
3380
G7
3700
E2
3701
E2
3704
E2
3705
F3
3706
D2
3707
C3
3709
D2
3711
D2
3712
D2
3713
D4
3714
D2
3715
H11
5300
F10
5301
B10
5302
E10
5303
A10
5700
D3
6002
H14
6003
I8
6300
E12
6301
E13
6302
E12
6303
E13
6304
A11
6306
B14
6307
B13
6308
B11
6311
B9
6315
D14
6323
D7
6324
D7
6325
A2
6328
C13
6332
A13
7000
H4
7004
H2
7005
G12
7006
I8
7009
H3
7010
I9
7011
G2
7012
G3
7013
G4
7300
D9
7301
A8
7302
E8
7304
A13
7307
A12
7308
B14
7309
B12
7310
B13
7313
D12
7326
C12
7328
C6
7329
G7
7700-A
E3
7700-B
D3
9214
I7
9261
C9