Combi Circuit - Amplifier Part - Philips MCM9 Service Manual

COMBI CIRCUIT - AMPLIFIER PART

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