Philips FW21 Wiring Diagrams page 10

A
Baza Porad Serwisowych
Zestaw audio Philips FW21
AM/IF AM/IF
ECO4 CIRCUIT DIAGRAM
5140 5142
312211821101 F7MCS-12216N
3 4 3 4
TUNER UNIT ECO4 (MINI)
1 6 1 6
2 MT 2 MT
2147
+5V
10n DISCRIMINATOR
3248
FM
0
3151 FM/IF FM/IF
1101 T001 2100 2104
100p 100p 1.5k SFE10.7MS3 SFE10.7MS3
1 9197
2
T002
A 1.3V 1.1V 1.2V 0V
0.8V 1.4V 1.4V 1V 1.4V 0.7V 1.4V 0.7V 1.4V 0.7V 1V
16 15 14 13 12 11 10 9 8 7 6 5
V Stab B
PILOT
FM FM FM FM FM PRES
Fronted MIXER IF 1 IF 2 DET DET
IF AMP
PHASE
DET
Mute
FM AM/FM
OSC INDIC
AM SWITCH
AM IF
DET
AM AM
MIXER OSC
AM/FM
V Stab A V Stab B SWITCH
AM FM
STABILIZER V/S
AM
AGC CONV
Frontend
IF GND
17 18 19 20 21 22 23 24 25 26 27 28
0V 2.1V 0.7V 0V 0V 0V 5V 0V 1V 0.7V
0.1V 1.6V
+5V
2152
2151 2150 4
100n
10µ 10µ
C
+5V
FM-RF
5109 0V 0.7V
RFI.5T
0V 2162
2115 1µ
Q-MULTIPLIER
3-11p
FM-OSC
3149
82k
6109 3111
2 1SV228 1
5120 VCO 152kHz
15k
RFI.5T
3 3148
2121 15p 47k
3108
1 3176
100k 6124 1SV228
1 2 100k
3 2120
470p
3120
MW/LW-RF 5.6k
MW
1 2 3
2185
3106
100n
100k
2113
3-11p
6 5 4
3244
0
LW 4 3 1
2114x
100p 5123
5%
AM-FRAME...AERIAL 4
3238x 3243o
2 2,7
0 0
2
LW/MW 6
6 1 3245x 7104x
1 0 BC848C 0V
T006 0.7V
1103
5122x
T005
4
3124x
LW/MW 0V
3221 7121x
0 BC848C
2.2k 0.7V 6
3109x
2.2k
7102xA
BC817-40
3107x
3222o 2.2k
B LW
0
2126x
100n
+14
TAPECORE CIRCUIT DIAGRAM +14
3713
2734
470E
470p
7703
MC14066B
7700A
3697 3699 2713 2712
UPC1313HA 13.8V 14
470E 470E 220µ 470p
0V 8 6 2709
12.1V
+ 1µ T62
3701 8 9
2699
820E 9 7 0V 0V
1n 3709
PB HEAD T24 4,5 2.5V 3.3k 3711 6
1.3V
A LEFT 3.3k
3 0V
T63
4 3
3745 820E
T23
2707 0V 0V
2 2703 3703 22n
5
100µ 270k
T25 PRE-AMP A T64 0V
11 10
1 3707 2705 3705
PB HEAD
47E 12n 12k 0V 0V
A RIGHT
1703
3698 3700 12
7700B
470E 470E 0V
0V 2 UPC1313HA 2710 T65
+ 1µ 1 2
2700 3702 0V 0V
1n 820E 1 3
3710 13
2.5V
3.3k 3712
1.3V 0V
3.3k
0V 7
3746 820E
+14 2708
22n
2704 3704 2706
100µ 270k 12n
ANALOG SWITCH
3733
(A/B SWITCH)
470E
3708 3706
47E 12k
7701A
2733 2732
3717 3719 UPC1313HA
T33 220µ 470p
470E 470E 0V 2 6
2729
8 + 12.1V
R/P HEAD 1µ
B LEFT 2719 3721
T35
1n 470E 1 3
3729
7 4,5 2.5V
1.3V 3.3k 3731
3.3k
T32
2
6
2727
3723
2723 22n
T31 270k
100µ
5 3686
R/P HEAD
PRE-AMP B 33k
B RIGHT 2725 3725
3727
12n 12k
47E
4
3718 3720
470E 470E 7701B
T34 0V 8
UPC1313HA 2730
+
3 1µ
2720 3722
9
T37 1n 470E 7
ERASE 3730
2.5V
HEAD 2 1.3V 3.3k 3732
3.3k
T38
3724 2728
1
2724 270k 22n
2726
1704 100µ 12n
3726
3728
47E 12k
7702
HEF4066 +14
0V 11 0V 1 0V 4 0V 8
14
2
MC14066BCP
ANALOG SWITCH
(CHROME EQULISATION)
7
10k
12 10 13 2 5 3 6 9
1
12V
12V
T36
T39
+14
T66 T67
3769
470E 3763 3764
22k 22k
0V 0V 0V 0V 10V
7 9 3 1 6 2741
2763 2764
100µ
P R P R 68p 68p
4
0V 7750
3676
0.1V BC337/40 15.8V
33k
7704
8 2 5 2
UPC1330HA
0V
47k
HEADSWITCH 5760
0V
OSCCoil
7760 47k
3 4 0V BC337/40 0V
3753
2 5 4.7k
3758 3759 1 3754
33E 0V 8.2k
1 6
2765 6.8k 0V
15n
2762 7754
3755
0.47µ 2759 TBC548C
2760 10k
4.7n
10n
BIAS OSCILLATOR
A
SERWIS
ELEKTRONIKI
B
Baza Porad Serwisowych
/20/21/22/37
7150
HEF4069UBT
2160 3162
1µ 1k
1
2.5V 2.5V
7150 MUTE LEFT
HEF4069UBT
7150 HEF4069UBT 7156
2156 3154
BC337-40
100n 33k 1 3164
T014 1
4.7k
2154
3160 82k
2.2n 2161 3163
1µ 1k
1
2158B
2.5V 2.5V
MUTE RIGHT +5V
2157 3155 1n *680p
T013 100n 33k 3161 82k
7157 MUTE
2141 5V 3180 3181
BC337-40
2.2µ 100k 100k
2155 2159B 3165
4.7k 7174
2.2n
BC858B 5V
1n *680p
1.7V
0.9V 0.6V 0.6V IF
1 1
4 3 2
3141 6154 3156 5V 0V
220 1N4148 10k
7172
MM74HCU04M
AM/FM/IF IF
MATRIX COUNT
AMP
38kHz
SYNC SOFT
DET MUTE
SOS
5V
Found strong
MW/LW
CONTROL signal during
SEARCH
0
MONO/ST 100ms
VCO 5V
SWITCH
LOOP FILTER IF 200mVpp
0
LED Mute DIVIDER STEREO DECODER
DRIVER
19/19/38kHz
2143 2144
470n 470n
2142
1µ 3142
29 30 31 32 0.7V MUTE=High
2.2k
1.3V 0V 0.8V
5V 0V MONO=Low
FM/AM SWITCH +5V V
STEREO=Low FM
7172 AM
MM74HCU04M 0V
3144
47k
AM=HIGH 0V 1 5V FM/AM
BURDY FILTER
5V 0V FM/AM
MONO=Low VCO KILLER
2174
560p IF
2168
1.8n
STEREO=Low
TUNED=Low
3112
1
2.5V 2.5V
22k
3220 7150
0 HEF4069UBT
1
2175 2.5V 2.5V
100p
7150
HEF4069UBT
2122
1n
AM OSCILLATOR
5
3242 3132
3193
0 4.7k
+V
3,6
2173 470
3175
47µ
3224 15k
3128 3174 1
0
2.2k 10k
T015
2172
Tuned down
2138oA 1.5µ
Tuned up
22p +5V
MW
3
3175 3172 2171
4.7n
2 2136 100k 4.7k
27p
Include 1
5V
7128x 3170
BC848C 1V 4.7k
110µH 7171
MT MW/LW
0.7V BC848C
T036
LW 7123x 2170
0V 0.6V
3 BC848C 4.7n
3125x
2 2129x LW 0.7V
2125x 4.7k 7170
390p
27p PADDING BC848C
1 1% 0V
3129x
110µH 4.7k LOOP FILTER
MT
LW
LW/MW
+14
+14 +14
3650
2739 3681
470E
3647 470p 22k
470E
7636
2747 MC14066B
3682
100µ 7635A
13.8V 14 22k
NJM4560D
2657
3657
1µ 8
470E 5.9V
8 9 3
+
0V 0V
3743 1 5.9V
3655
12k 6 3659 2659
10k 2
18k 100p T28
0V 4
5.9V
4 3
0V 0V
3744 3663 8.2k
3656
12k 5 3661
10k
3684 1.8k
0V 2663
47k
11 10 560p 2667
2661 68p
0V 0V
2639 10µ
2637
12 7635B
33p
1µ 0V 2658 3658 NJM4560D
3637 470k 1µ 470E 5.9V
1 2 5
+
1.2V 0V 0V
7 5.9V
2635
7641 13 3660 2660
6
TBC548C 18k 100p
1V 0V
1µ 5.9V
0.4V
0V 7
2641
3641
68p 3664 8.2k
1.5k
3662
1.8k
2664
ANALOG SWITCH
560p 2668
(A/B SWITCH)
2662 68p
10µ
2640
2638
33p
1µ
3638 470k 3646
10k +14
1.2V
2636
7642
1V TBC548C 3670
1µ
0.4V 4.7k
2642
3642 +14 13.9V
68p
1.5k
2
3675
3766 7653 0V
33k 3
+14 2.2k DTC114ES
10k
2
3767
10k
3765 0V 22k
3
4.7k 7765 7767 10k
1
HSD 0.01V DTC114ES TBC548C
7667
2 10k
DTC114ES
0.6V
3768
3 1
10k
10k 0V
10V
7768
10k TBC548C
1
T2 0V
1
FOR MOTOR
0.1V
HIGH SPEED
47k
CALIBRATION 3 7763
2
DTA144ES
47k
7706 3
10k 2
DTC114ES 0.1V
0.1V
10k 7764
DTC114ES
1
3 6707
10k
1N4148
+14
3770
RECORDING 330E
EQUALISER 2769 2770
I C
470p
220µ
10.7V 16
2783
3779 Vcc
5673 3777 2777 1µ
T59 100E 1µ T57
36mH 18k 8 REC OUT REC IN 7
EQ
2673 2679 5.2V 5.4V
2785
2781 7770
AGC 6 470p
22n CXA1298AP
82p 560p 3775
5.4V
12k
15 Iref 3
BIAS TRAP FE/CR
1.2V 11.4V
4
3798 REC
+14
12k 2775 MUTE 11.3V
47µ V
14 G 2
NS/HS
5.5V 0V
! 3757 AGC TC 5
4.7E
0V 2776
MIX IN
1µ
12 MIX OUT 13
5.7V 4.9V
7751 3752
DTA144ES 22k AGC 11
3780
3751 2757 5674 2778
13.7V 3778 5.4V
3 10k 47µ T55 100E 1µ T52
36mH 18k 9 REC OUT REC IN 10
EQ
2674 2780 5.3V 5.4V
T41
7752 2782
2752 2790
TBC548C 22n
47µ 82p 560p 4.7µ
0V
T40 0V 1
T49
BIAS TRAP
0V 2
3
10k
7753
10k
DTC114ES
1
B
SERWIS
ELEKTRONIKI
Baza Porad Serwisowych
11-16V
+V
to
MUTE=LOW
3193
3194
3195
IF-COUNT=HIGH
V 3197
0V=no communications
OFF 7175
V
MUTE ON
VERSION PROGR DIODES
0V 0V
6121 3183 22k 3192 1.8k T027
3191 1.8k
1N4148 T028
6121
3190 1.8k
T029
1N4148
6123 3184 22k
3189 1.8k T030
1N4148 3171 100
T031
T038
0V 0V 0V 0V 0V 0V 0V 0V 0V 2.4V
2186
12 11 10 9 8 7 6 5 4 3 2 1 L=MUTE T032
1n
T033
L=valld signal
7.2MHz 3166
100
SHIFT REGISTER LATCH
2181 0V
REFERENCE
DIVIDER 0V 5V 152kHz 150mVpp
5V Weak signal
12p
PROGR.
COUNTER
DIVIDER 7169
5170
PHASE BC858B Strong signal 0V
UNIVERSAL 7.2MHz
DET. 0V
COUNTER stereo mono
1/2 2180A
27p
VDD
3188
1k
+5.1V (4.8V)
13 14 15 16 17 5V 18 0V 19 2.6V 20 21 22 23 24
5V 0.8V 0V 0V 5V 1V
2.7V to +5V
T016
0V 0V 3113
+5V +5V 3116
2178 2179 2134 2183 3122
1n 100p 1n 100n 3123
3135
3185 3186
3144
100k 5V 100k
3151
+5V
3157
L=weak sens. 5V
SEARCH 3179 3175
(Autostore 1. run)
7178 SENSITIVITY 22k 3180
BC858B 3182
0V
Stereo-Indic 3185
3167A
3186
Tuning-Indic 0
3187
5171 STABILIZING CIRCUIT +5V
7140
+5V 7150
7172
7174
7178
3122
9114
470
SIGNAL PATH
2123
3119
1n 470 FM
2124
VERSION PROGRAMMING DIODES
3121 10n
3.4V AM
100k 0.7V FM OSC AF
AMP 6121 6122 6123
7120
FM, MW, LW EUROPE
2SC1047
.......... Vdc....FM....mode stereo
FM, MW, LW EAST EUROPE X X X
V
Vdc....MW....mode
V EVM
FM, MW USA /17 X X
V Vdc....LW....mode
FM, MW OVERSEA /01 X
FM, MW, LW, SW X volteges...measured...while
set...is...tuned...to...a...strong
FM, MW, SW X X transmitter
X=DIODE MOUNTED
a for 2-band vesrion only
x for LW version only
* for USA version only
AM-WAVEBAND
+5V
SWITCHING LOGIC
7172 7172
3123
MM74HCU04M MM74HCU04M +5V
22k 6105
5V
HN1V02H
1 LW/MW 1 LW=Low
14 13 12 11 10 9 8
5V 0V 0V 5V
1 8
0V 5V 5V 0V
2 7
3 6
4 5
GND
1 2 3 4 5 6 7
TO 1705
CONNECTOR P WIRE
(SHEILD GROUNDING)
T44
9
T42
+14
8
T47
3674 22k
R IN
7
T48
3673 22k L IN
6
T60 T46
3671 1k
L OUT
5
2671 T61 3672 1k T50
R OUT
4.7µ
3665 4
56k 2 T6
+12
+14
3
3 T10
10k
3667 M
2
12k
3678
10k
1k
NC 1
1
7783
1699
2 DTC114ES 2
3677
22k
3 3
10k 10k
2672
4.7µ 2677 3679 10k 10k
3666
100µ 68k
56k
1 1
7785 7782
DTC114ES DTC114ES
NC 6
3668
12k T54
HS/NS
5
7746 T1
DTC114ES 2V PLAY A
4
2
3
10k
7745 T3
2V PLAY B
10k DTC114ES
2 3
1
3
10k
0V
7744 T4
10k DTC114ES 2V REC
2
2
1
0V
6782 6783
3
1N4148 1N4148 10k
0V
+12 T5
10k
CR
1
1 0V
3781
1700
1k
7781
0.04V
DTC114ES
2
HSI 10V 3
10k
10k
1
M
11.6V
10.8V
7791
BC558B
PLAY A
3791 11.6V
5.6k 3784
PLAY B
3783 1k MOTOR A
470E HS ADJ.
REC T19 1701
MOTOR A
CR A NS ADJ.
3786 3785
82E 1.8k T15
CR B
+14 +12 T6
T10
+14
T8
M
3776
3735
4.7k 7776
1k T11
11.7V DTC114ES
2
T12
3
10k
0V 3734 T13
680E
10k
1
3771 1k
3792 11.6V
5.6k
7792 MOTOR B
3772 1k
REC BC558B HS ADJ.
6794
11.6V
3788
3773 1k +14
1N4148 3787 1k
470E
T51 MOTOR B
3795
NS ADJ.
10k
7795 6795 3790 3789
2774 DTC114ES 7.4V 82E 1.8k
4.7µ 2 +14
1N4148 T20 1702
3
2772 2773 10k 3796
2784 T21
4.7n 4.7n 0V 7796 10k
1µ 6796 0.7V
DTC114ES 7797
10k 7.6V
2 BC337/40 T22
2768
2786 1N4148 3797
100µ 1
470p 4.7k 0V
3 +14 T14
10k M
0V
10k T8
3736
1
1k T17
T9
T18
3738
T16
330E
SERWIS
ELEKTRONIKI
C
Baza Porad Serwisowych
T020
4
AF.left
T021 3
3
GND
57
1112
T022 2
CLOCK CLOCK
AF.right
T023 DATA DATA
1
+V TUNER
COUNT COUNT
1564
1153
1001
CE CE
7
STEREO STEREO
MUTE MUTE
ST SIG ST SIG
1113
LEFT LEFT
1565
1173 A A
1
CL RIGHT 4 RIGHT
2 +14V +14V
DATA
58
3
COUNTER/DATA
4
CE 1551
2
5 CD
LEFT LEFT
STEREO
A A
6 1008 1012
MUTE
RIGHT RIGHT
7 RESET RESET
STSIG
ACKN 7 ACKN
STRB STRB
DATA DATA
1300
1500
1552
+V
3194 +CD
470
CD
+14V
-CD
1011
3197A REC R
11-16V (280MM)
stereo
REC L
470
9 PB L
3195 3139 111 25050 PB R
470
+14V +12V
SHEILD
REC R M
102
+13V
REC L
PB L
PB R
+12V
M
+13V
1699
MECH. DECK
TAPE BRICK
1007
1700 49
NC NC
HS/NS HS/NS
1453
PLAY A PLAY A
PLAY B 6 PLAY B
RECORD RECORD
CR CR
CD FRONT 1004A CD FRONT 1004E
1927 52 1930 1451
KEY 0 KEY 0
KEY 0 KEY 0
KEY 1
KEY 1
KEY 1 KEY 1
1927
KEY 2 KEY 2
KEY 2 KEY 2
KEY 3 KEY 3
6 KEY 3 KEY 3
CLK CLK
CLK CLK
DATA 2
DATA 2 DATA 2 DATA 2
DATA 1 DATA 1 +5V +5V FR
1928
STR 1 STR 1
D D
STR 3 STR 3 STR 3 STR 3
5
D D STR 1 STR 1
=5V FR =5V FR DATA 1 DATA 1
1928 53 1929
HEF 4069 UBT 1452
MM 74HCU04M
BLOCK DIAGRAM
CD MAIN
KEYBOARD KEYBOARD
TO
SELECTOR
PCB
SHIFT SHIFT SHIFT
REGISTER REGISTER REGISTER
TO FRONT
PCB
TUNER
u P
T/D
MUTE
u P BUFFER
CD
1 A
MIC
MOTOR
2 B
DECK A
3 +
MAIN A
MD
4 -
5
PLAY A PHONO IN
6
+V
7 BUFF
CR A
POWER ± V
8
AUX IN
AF ± V
CD ± V
FTD V
FTD ~V
1 A
MOTOR
2 B
DECK B
3 +
MAIN A
4 -
5
PLAY B
6
7
CR B REC
8
9
C
SERWIS
ELEKTRONIKI
D
Baza Porad Serwisowych
MIC MIXER
(KARAOKE)
50 1004D
1559
1 1501
R R
DIPMATE
A A
L L
4
+14V +14V
ONLY FOR -/21
1553
AC JST MALE
AC
-30V
D
1270
+13V
JST FEMALE
M
10
P
D
STDBY
+14V
A
10 JST SIDE
MALE
SELECTOR
1002
1561
+12V
BACK ENTRY FEMALE
M
AC
AC
-30V
D
+13V BACK ENTRY MALE
P
D
STDBY
SPACER
1013
9
BOARD-IN
46
31 POWER AMP
1
+12V
L 1003B
M
AC
R
AC
MUTE 2
-30V
D
1272
+13V
P
D 4
FRONT
STDBY VOL / HEADPHONE
1005
47 1530
1004B
RGE RGE
A A
LGE LGE
1501
32
+14V +14V
L
LHP 1457 LHP AC
RHP RHP AC
R
MUTE 1 10 MUTE 1
MUTE 2 -30V
MUTE 2 MUTE 2 D
BASS B. BASS B. +13V POWER
BUZZER BUZZER
M SUPPLY
P
48 1531 D
1003A
STDBY
VOL UP VOL UP
+14V
VOL DOWN VOL DOWN
1456
A
+5V FR +5V FR
P ON/OFF P ON/OFF
6
M M
+12V +12V
3
1010
3
MAIN - DISPLAY
BUFFER
IR - EYE
EEPROM
uP
1KB
TMP870xx
BUZZER
MUTE 1
STDBY
TO POWER
P/D
FROM POWER
MUTE 2
SPATIAL GE
VOL
NOTE:
DIGITAL OR CONTROL MUTE 1
FROM uP TO uP DBB
STDBY P/D AF OR SUPPLY
VOLTAGE
SELECTOR
MAINS
D
SERWIS
ELEKTRONIKI
1273
1
1
TO POWER
BRACKET
(ITEM No: 285)
3139 111 25020
1
2
32 OHM
6 OHM