Philips FW20 - CONTROLS; CONTROLS ON THE UNIT

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NEWS SLEEP SW LW MW AW PM FM
STEREO
EDIT
PAUSE
kHz MHz
REPEAT SHUFFLE AUTO PROGRAM RECORD DOLBY B TIMER 12
TUNERCD TAPE 12 AUX
NEWS
SLEEP SW LW MW AM PM FM
[TUNER]
2
1
[TAPE]
[AUX]
2
1
TIMER
DOLBY B
RECORD
PROGRAM
AUTO
SHUFFLE
REPEATkHz
MHz
PAUSE
EDIT
STEREO
[CD]
!
85
RAM INTERFACE
A12
21
25
A8
A11
20
24
A9
A10
19
23
A11
A9
18
21
A10
A8
17
2
A12
A7
16
3
A7
A6
15
4
A6
A5
14
5
A5
A4
13
6
A4
A3
12
7
A3
A2
11
8
A2
A1
10
9
A1
A0
9
10
A0
WE
22
27
WE
D0
1
15
I/04
D1
2
16
I/05
D2
3
17
I/06
D3
4
18
I/07
D4
5
19
I/08
D5
6
13
I/03
D6
7
12
I/02
D7
8
11
I/01
SUBCODE
ERCO CONCEALMENT
DIGITAL
FILTER
4x
S/P CONV.
48x UP
NSHAPE
DIFT.
LEFT
DAC
SUMMING
OP-AMP
S/P CONV.
48x UP
NSHAPE
DIFT.
RIGHT
DAC
SUMMING
OP-AMP
DIGITAL OUT TIMING
KILL
DATA
SLICER
DEMOD
PHASE
DETECTOR
VCO
MOTOR
CONTROL
AM
MIC. PROC.
INTERFACE
39 HFT
34 HFD
36 PD
37 OC
66
TEST1
67
TEST2
68
TEST3
69
TEST4
74
TEST5
75
TEST6
76
TEST7
77
TEST8
78
TEST9
CFB
HF1
26
MHAL
28
PWMA
29
PWMB
30
MACC
31
MBRA
33
VSSD
27
VDDD
79
VDD
32
DOBM
73
VSS
71
XIN
72
XOUT
70
ST
59
NC6
58
NC5
65
KTC
64
KO
49
DE1L
47
DE2L
54
DE1R
56
DE2R
O
D
V
V
VSSD
VSS
X-TAL
CLOCK
+
-
3140
100k
3141
100k
+5
+5
2112
100n
3105
3.3
3143
22
2140
100n
2141
47n
5
6
3
3142
47k
3148
47k
3147
3.9k
3146
10k
7141
BC848
7140
BC858
3144
22k
STANDBY
FROM PIN 10
OF IC7700
PWMA
FROM PIN 13
OF IC7700
+5
-10
2114
47p
2115
47p
!
3110
1M
1570
16.9344MHz
3119
560
STANDBY
FROM PIN 10
OF IC7700
2116
1µ
50V
2117
4.7n
3117 1.8k 3118 1.8k
2118
4.7n
V REF
GENERA
T
A/D
CL
VRL
8
D3
7
D2
6
D1
5
D4
9
R1
10
R2
11
VRH
4
3
VssA
2009
100n
2010
22µ
16V
3008
3.3
+
2016
100n
2017
22µ
16V
3013
1k
3012
1k
Uref
+5A
2011
100
n
2018
100n
2005
220p
2008
220p
2004
220p
2007
220p
2003
220p
2006
220p
3002
10k
3000
10k
3001
10k
3005
10k
3003
10k
3004
10k
SD2
SD3
SD4
D5
D1
2001
560p
2000
1.5n
FROM CDM
VR
VR
V
V
QRA
R/A
23
QDA
DA
24
QCL
CL
25
NC1
44
FROM PIN 14-15-16
OF IC 7700
CPU
ROM
RAM
I/O PORT CI PORT D
I/O PORT B
I/O PORT A
33
4
34
5
36
7
11
0
10
1
9
2
8
3
7
4
6
5
5
6
4
7
2
37
TCAP
35
TCMP
40 1 39 38 12 13 14 15 16
17
18
19
20
21
22
23
24
3722 1k
3707 10k
3706 10k
+5
+5
+5
3724
1k
3723
1k
3708 10k
2704
2.2n
+5c
3713
10k
+5c
3714
10k
+5
3716 10k
+5
3717 10k
3711 3.3k
3715 3.3k
0V STANDBY
5V PLAY POSITION
+5
3719 10k
QRA
TO PIN 23-24-25 OF IC7102
QDA QCL
+5
3720 10k
+5
3721 10k
PWMA
TO PIN 28 OF IC7102
STDA
TO R3106
TRAY
TO R3611
1700
4MHz
3700
220k
!
3553
1k
3552
22k
3551
1k
2550
2.2n
RESET
6550
3V9
3550
560
+5
+5
+5
3701
3.3
3710
10k
2702
33µ
16V
2703
22n
2103
330µ
16V
2704
100n
A
3101
22k
2105
330n
2125
4.7n
3102
22k
FROM
IC7000
QTD
2102
2.2n
2101
47p
3100
2.2k
3054
100
7044
BC848B
3052
1.8k
3050
430
3047
430
3053
3.9k
7043
BC848B
2044
180p
2043
330p
3051
1.8k
2042
22µ
16V
3046
1k
3048
100
3049
430
3045
100
7042
BC858B
3044
1k
3042
330k
3043
30k
2041
180p
3041
39k
2040
22n
3040
100
5
0
4
0
7041
BC848B
5
5
k
9
p
2046
47p
3056
120k
2050
180p
2047
100p
3057
56k
2051
330p
2048
18p
8
O CDM VIA FLEX FOIL
SD2
SD3
SD4
D5
D1
TO DISC2 IC7000
+5
!
2106
100n
2107
100µ
10V
3103
3.3
STAD
FROM PIN 19 OF IC7700
2109
1µ
50V
3106
1k
2108
22n
2110
33p
2111
100n
3109
2.2k
6103
1N4148
3112
2.2M
-10
1500-3
502
E
!
+10
1500-1
3501 1E
!
1500-2
2504
100n
2500
2200µ
16V
3
n
2501
100n
+5
7500
TY40408
!
2019
22n
9055
7660
TCA0372B
1070-3
1070-4
TTM+ TTM-
A
GND
1071-1
GND
1070-1
TRAY
SWITCH
1071-2
SLEDGE
SWITCH
1070-2
DATA
1300-1
STROBE
1300-2
ACK
1300-3
RESET
1300-4
RESET
TO PIN 1 OF IC7700
7102
SAA7341
7101
FC61C65L
7700
MC68HC05C8
32 31 30 29
3210
28
0
27
1
26
2
25
3
4
5
6
7
VSS
STAD
7
6
5
01234
XTAL2
XTAL1
VDD
RESET
CLOCK
&
TIMIING
IRQ
+5c
28
VCC
CS2
NC
26 1
80
O
35 VSSA
41 VDDA
84
65
7550
BC858
12
67
90
LOW PULSES DURING
SEARCH, NEXT, PREVIOUS
75
GND
OE
CS1
22
14
20
76
CUIT DIAGRAM
424038
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