Philips FW21 Wiring Diagrams page 6

22V DC
T15
-VCD
3
T16
CD
2
T17
+VCD
1
PART A
1322
POWER SUPPLY
COMBI CIRCUIT DIAGRAM
VOL./HEADPHONE
1530
1
3546
1 +12V 1k
2
2
M 3552
3 200 0V
220E
3 3.5V
ON/OFF 6544
P
C5V6
4
2
4
+5V M
5
3544
5V 0.7V
5
VOL DOWN on
1k
6
3545
0V
6
VOL UP
1k
1531
2.5V
12
1
BUZZER
13
2
BASS B
2.5V
14
3
Vol. Control
mute 2
15
4
mute 1
16
5
3532
8.2k
R hp
17
6
3530
L hp 18
4.7k 2530 BC548C
22n
7 +14V
L hp
19
A
8
L ge
20 21
3531
4.7k
9
3533
22
GEA A 8.2k
10
R ge
2531 BC548C
22n
A
CD/CASSETTE KEY BOARD
CIRCUIT IN DOTTED LINE IS
NOT FOR FW20 & FW30
+5V
11 12 13 14
89
16
HCT4094
90
15
2900
9 10
10µ
D
2904
1.2n
SERWIS
10V
6318
C3V9
2314
22µ
63V
3319
2.2k
Remote Vol / motor control
+12V
3551 3592
220E 220E
3547
1k
2544
220µ
10V
M
off on
7544 7545
BC338/40 BC338/40
10 11
0.7V 5.1V
2 1
on off
51
7546 7547
BC328/40 BC328/40
+ -
M
7548 7549
BC548B BC548B
3534 (MOT)
0V
M
6546
3556
1N4148
3.3k
2556
10µ
A
6547 3584 1k 3585
23
470E
1N4148 2537
100µ
A
50kB
3536
1k
7532
BC338-40
3538
7530
390E
3586
390E
Dbb
A A
3537
1k
50kB
Dbb
7533
BC338-40
3539
7531
390E
3587
2533
390E
1.2n
A A A
+5V
3903 3901 3900 3902
330E 330E 330E 330E
88 87 86 85
A A B B
7 6 5 4
+5V
8
7901
D
1 2 3
ELEKTRONIKI
2309
2.2µ
2305
470µ
16V
2304
1000µ
16V
2526
3517 3516
47µ
18k 18k
GEA
29
2520
5.6V
3514
6.8k
10µ
6545
GEA
C5V6
M
2521
0V
2518
1µ
off
GEA
3515
3589
6.8k
33k
3555 3535
25
22k 10k
A
2553
10µ
A
A
A
3540
3542
1M
390E
2532
3541
33p
1M
3543
24
390E
1907 1909 1910 1924
A A N/SPEED
1911 1925 1905 1902
CD/SYN A H/SPEED
1900 1903 1901 1926
REC
A DOLBY
/PAUSE
1908 1923 1904 1906
B A AUTO/R
11 12 13 14 7
16
7900
HCT4094
15
9 10 1
2.7n
2902
* 1.2n
* FOR FW40 FAMILY
A
6315
1N4148
6307
1N4148
2335 100n
2332
100n
2333 100n
1N4002 1N4002
6304 6306
6303 6305
1N4002 1N4002
2334 100n
2331 100n
+14V
3524
3529
28
4.7E
47k
3528
2527
!
39k 22n
7516R
BA15218
GEA GEA GEA
8
6.3V
5
+
6.3V
7
2524 3522
-
4
100µ 5.6E
6
A
6.3V
3518 3520 18k
1.8k
2522 470p
2523 470p
Headphone Amp
3519 3521 18k
6.3V
10µ 1.8k
2525
3523
2
+
100µ
5.6E
1
30
6.3V
-
7516L
6.3V 3 +14V
BA15218
3554 3588
32
22k 4.7k
GEA
31
6548
7553
C4V7
4.1V
BC556B
6549
A A
3553
C5V1
22k
7534
BC338-40
A
7535
BC338-40
A
1914 1915 1918
67
B REPEAT P/REVIEW OP/CLOSE
key 0
1913 1917 1919
68
SCAN EDIT
B REV
key 1
1912 1916 1920
69
B SHUFFLE CLEAR NEXT
key 2
1922 1921
70
B PLAY/P STOP
key 3
71
sr CLK
6 5 4
72
DATA 2
8
73
D
DATA 1
3
2
74
str 1
75
str 3
76
77
D
+5V
+5V
T43
2312
! CC
470µ 50V
14
1309
2330*
100n
NOT FOR FW20/20 FW
ONLY FOR VERSIO
5520
3526
2.2k
GEA
5112
5521
3527
2.2k
MIC MIXING
GEA
34
1.6V
4
MUTE2
35
R
3
36
2
A
DIGITAL SOUND
L
37
1
NOT FOR FW20
1532
1927 52 1929
1
key 0
DATA 1
str 1
2
key 1
str 3
3
key 2
D
JAZZ
+5V
4
key 3
CLASSIC
5
POP
1930
CLK
Defeat
6 DATA 2
D ATA 2
CLK
1928 53
key 3
1
D ATA 1
3
key 2
str 1
4
str 3
key 1
5
D
D
+5V
6 key 0
SERWIS
ELEKTRO
MIC MIX
LOGIC TAB
S0
1
1
0
0