Philips MC-77/22 Service Manual page 63
Cdr mini system
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Also See for MC-77/22:
- User manual (30 pages) ,
- Specifications (2 pages) ,
- Release note (1 page)
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1004 E1
2400 B3
2404 C3
2408 D1
2412 E4
2416 D8
1014 G1
2401 C3
2405 C4
2409 D3
2413 E1
2417 F4
1400 D13
2402 B5
2406 D1
2410 D5
2414 F2
2418 H2
1401 E9
2403 C1
2407 D3
2411 E3
2415 E8
2419 H2
1
2
2
A
F
& L
P
UDIO
REQUENCY
OGIC
ART
A
HEADPHONE AMPLIFIER
B
3401
2403
1
VOL_LEFT
1u
470R
+12V_A
C
V_MID
5.2V
3
GND_A
D
3413
2408
1
VOL_RIGHT
1u
470R
2413
E
100n
1004
1
3418
SUB_W
2
470R
3
YKC21-3416
7403
BC817-25
F
7404
BC817-25
1014
HP_DET
HP_DET
4
HP_RIGHT
3
G
GND_A
2
HP_LEFT
BC817-25
0.8V
1
7407
FE-BT-VK-N
H
A
1
2
11-9
2420 H5
3402 C5
3406 C4
3410 D5
3415 E3
3421 F3
2421 H14
3403 C2
3407 D2
3411 D7
3418 E2
3422 F4
3400 B3
3404 C2
3408 D2
3412 D8
3419 F2
3423 F5
3401 C3
3405 C2
3409 D2
3413 D3
3420 F3
3424 G2
3
4
5
6
3400
27K
2400
100p
6
2402
5.2V
AMP_LEFT
7
5
100u
7400-B
8
NJM4556AM
3406
6405
11.5V
+12V_A
3
10R
BAS316
7400-A
3
NJM4556AM
2410
1
AMP_RIGHT
2
5.2V
100u
4
GND_A
2411
100p
3415 27K
2K2
AMP_MUTE
3
3420
7405
BC857BW
+5V
4.8V
2K2
3421
3423
MUTE_SW
4.6V
10K
39R
39R
3425
3426
39R
39R
3429
3430
0.8V
BC817-25
7408
7410
+5V
BC857BW
4.8V
4.8V
3439
MUTE_HP
4.1V
10K
4.1V = MUTE
4.8V = ACTIVE
3
4
5
6
3425 G4
3429 G5
3433 G4
3437 H8
6400 D8
7400-B C3
3426 G4
3430 G5
3434 G10
3438 H10
6401 G14
7402 D8
3427 G11
3431 G9
3435 H14
3439 H5
6402 H8
7403 F3
3428 G11
3432 G3
3436 H5
3440 H7
7400-A D3
7404 F2
7
8
9
FAN CONTROL for Layout stage .6
Fan runs always. Higher volume increase the speed.
2
+12V_M
11.5V
FAN_CONT
4K7
7402
5
BC337-40
3411
8.2V
7.5V
1401
1
+
FAN
2
-
EH-B
BC807-25W(COL)
1N4148
4.4V
2R2
7411
4.7V
+5V6
3440
+5V_CD
6402
5K6
0V
3.9V
3431
7409
BC817-25W(COL)
7
8
9
11-9
7405 F4
7409 G9
9268 G8
7406 F12
7410 G4
7407 G2
7411 H8
7408 G3
8302 E12
10
11
12
FAN CONTROL for Layout stage .7
Fan runs not at low volumes.
2
Higher volume starts the fan.
+12V_M
The fan-speed depends on the output power.
11.5V
FAN_CONT
4K7
1.5V..11V
7402
5
BC337-40
3411
1V..10.3V
1401
1
2
EH-B
M62320FP
7406
AMP_OFF
4
AMP_OFF
D0
MUTE_SW
D1
HP_DET
D2
MUTE_HP
D3
D4
3
OZ_SW
D5
5
AMP_RELAIS
D6
0.7V
D7
3434
2K2
10
11
12
13
14
A
B
C
D
+
FAN
-
E
F
1
14
+5V6
+5V
CS2
15
G
CS1
+5V
+5V6
16
1N4148
CS0
6401
8
13
3
2
4.1V
H
GND_D
Power2002 Class D Combi-Audio Frequency Part 2002 04 25
13
14
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