Philips FW-650-C Schematic
DECK 1
PLAYBACK
WIRING DIAGRAM
CDC KEYS
1403
FOR ECO4/TU92
RDS
CONTROL
REC/PLAYBACK
1409
5
DECK 2
8005
1405
6
1404
8007
CDC7 LIGHT
COMBI
15
8010
1720
8 3
1711
1712
11
1741
1730
0007
1832
KARAOKE
8504 2
1562 1830
1742
1831
1829
79
8001 8002
1303
17
8009
1828 1505
1833
1301
1200
1553
1825
8011
8004
6 (9, 4)
1833 1153
TUNER
FRAME AERIAL
IN/OUT
1559
3
0004
B
CDC7-MODULE
CDC Electronic
19
1802
CDM 12.1
1800
1801
BLOCKDIAGRAM
FM-Osc.
to Synth.
V
L
1101 (1104)
A
FM
16
+5V
FM
Osc.
AM
Osc.
V
L
7
8
20 V
19
18
C
18
20
IN0
IN1
DD
1103
FM
Frontend
AM
Frontend
AGC
AM-Osc.
to Synth.
Version
V
AM IF
AM Det.
TUNER BOARD
ECO 4 VA mini
AGC
OUT5
Vss
5
FM
Det.
AM
Det.
Tuning
Ind.
Discr.
28
4
LF Filter
MONO / STEREO
AM / FM
SEARCH SENSITIVITY
13 17
OUT4 OUT6
Synthesizer IC
LC7218M
RADIO IC
TEA5712T / N2
Stereo
Decoder
VCO
MPX
29
31 27
2
5
3
4
left
right
Stereo
MUTE
AM/FM
VCO
1153
3
+5V
+V
left
right
STSIG
STEREO
Counter
Data
3
1172
CE
CL
2
3
30
32
2
2321
FM
Osc.
FM
Mixer
AM
Mixer
AM
Osc.
24
10.7MHz
13
AGC
14 15 10
450kHz 450kHz
L
V
L
SWITCHING LOGIC
10
119
OUT1
OUT2OUT0
10.7MHz
11
9
IF1
AM IF
AM WAVEBAND
12 15 14
OUT3
+5V
7
IF2
IF
Buffer
1 26
16
IF
Counter
SHIFT REGISTER
j
:N
21
V
L
Loop
1
filter
Reference
Osc.
+V
241 23
7.2MHz
CD INTERFACE
AM FRAME
AERIAL
B
FFC
JST
WIRETRAP
DIPMATE
BLOCKDIAGRAM
TUNER BOARD
1
Ant.
LOCAL/DISTANCE
AGC
Vcc
4
+FM
3
6
A
1110
1111
FM FRONTEND
MIXER
varicap
V
Osc. out
5
V
8
t
1346
1345
IF
out
TRAFO
4
7
7101
8301
5
8302
7116
METER
LS
POWER
3134
AFC
Level Det.
30
Vref.
2
1
4
FM
0011
5105
FM
Det.
AM
Mixer
AM Osc.
29
V
t
1110
OUT2OUT1
:N
V
t
6
0014
5
8303
96kHz
BIRDY FILTER
7 8
Comp
arator
9
AGC
AM IF
FMIF
26 16 24 5
SEARCH
LEVEL
AM
SEARCH SENSITVITY
LOCAL/
DISTANCE
OUT0
MW/LW
9
12 15 17
OUT3
SHIFT REGISTER
j
21
Loop
filter
Reference
Osc.
V
+V
Loop
7.2MHz
0013
5
1
FM IF
1
25
AM
18
SEARCH
LEVEL
fronted
FM
C
7115
V
t
Version
7
IN0
8
IN1
+5
20 V
AM
Osc.
FM
Osc.
DD
18
19
1304
Vcc
RADIO IC
LA1851N
Det.
IF Buffer
19
16
OUT6
IF
Counter
241 23
+V
3
AM
7
Vss
FM
AM
6
18
LF Filter
AM / FM
MONO / STEREO
13 14
OUT4 OUT5
Synthesizer IC
LC7218M
Tuning
Ind.
21
2
5
3
4
17 12
MUTE
Stereo
Decoder
VCO
10
13
3131
CROSSTALK
left
right
Stereo
456kHz
1405
6
5
4
3
8301
1
2
3
4
8302
1
2
3
4
5
6
7
2
P1 P3 K0 K1 K2
to control board 1404
1
P11
CDC-KEYS
0011
1
22V
2
4V~
3
4
0013
1
2
3
4
5
6
7
DW_SE5/2003
2365
2364
100n
7374
BC558
3386
-
3382
6.8k
100
!
2378
220µ
6361
100n
D5SBA20
~
+
~
18V
BZX79-C4V7
3385
3.9k
6370
2360
4700µ
27V
2361
4700µ
6384
BZX79-C12
2379
3383
3379
47µ
+24V
A
27V
+16V
B
2391
22µ
6362
BZX79-B11
NTC
PWI
3362
47k
3363
82k
18V
+12V
12V
2368
100µ
3364
1k
STBY
5.6V
+5.6V
NTC
PWI
+5.6V
-30V
4.5V AC
to/from POWER BOARD AF-Part
AF-Part
4.5V AC
7360
BD438
18V 12V
2375
17.2V
7363
BD437
7358
6393
1N4148
17.1V
5.6V
3365
220
2367
3361
18V
47k
0.6V
0.6V
3374
330
2374
1µ
1n
3368
18k
4.8V
3367
22k
2357
1µ
2.2µ
3360
3375
4.7k
+16V
BZX79-B6V2
6392
1N4148
2390
220
BC548
6358
6391
BZX79-C4V7
47µ
6.8k
220
!
BZX79-C36
7376
BT151
7364
BC548
6386
0V
0.6V
0.6V
7366
BC558
4.4V
6356
1N5395GP
!
2362
~
~
+5.6V
3380
680
6397
1N4148
6368
1N4148
6367
1N4148
BZX79-F8V2
2371
47µ
Voltage Doubler
6364
1N4148
~
~
100n
!
6357
1N5395GP
3373
4.7k
3387
4.7k
6366
3377
4.7k
2376
4.7n
~
9V
1V
2370
47µ
6365
1N4148
2372
47µ
4.5V
0.3V
NTC
6373
1N4148
3391
3390
3369
PWI
220
220
1N4148
6363
1k
3378
6396
3388
1N4148
2363
3372
3371
1k
3370
10k
4.7k
2373
47n
3376
470
6374
BZX79-C24
100n
15k
15k
2.4V
1.3V
2366
10n
7369
BC558
BC558
5.8V
3384
12k
3398
33k
7368
2377
2.2µ
4.2V
4.8V
5.6V
“2”
1464
“1”
1466
1463
1462
1461
“4”
“5”
“3”
OPEN
1458
“6”
1459
“7”
1460
POWER BOARD / Transformer Part
ITEM 1356, 1357, 1358, 1359
!
1355
6340
6353
1N4004
!
6354
1N4004
1N4148
VOLTAGE SELECTOR
110/127V
220/240V
3349
150k
2344
0.22µ
270k
3350
3
2
1
3343
470k
1355
6343
for /21 only
6
5
4
1N4148
!
6344
6345
BZX79-C12
1N4148
6351
!
Vref
Vss
1117
4
+FM
left
right
4
+V
V
Loop
+5V
1350
!
L
N
110-127VAC
220-240VAC
1352
T2AH
230V
!
5350
2
3
30
28
23
1N4004
!
!
1N4004
6352
!
STP7NA40
7351
5
3341
!
1112
RDS
STSIG
MUTE
STEREO
3
Data
Counter
CL
CE
LIFE PART
2.2M
3346
470k
3340
6341
1N4148
22k
2351
!
10n
SD
3357
0.47 2W
G
2352
100n
7342
BC558
7352
!
BT151
SOAR Protection 7351
3345
47k
3344
0.22 1W
3342
22k
7341
BC548C
6342
1N4148
3351
!
!!
470k
VERSION TABLE ( marked components)
1352 1356 1357 1358 6351-6354
T2A/22 T5A T2.5A T5A 1N4004GP
T3A/21 T6.3A T3.15A T6.3A 1N5395GP
T2A/37 T5A T2.5A T5A 1N5393GP
EVM
V
... V Voltages measured during operation
Voltages measured in ECO Mode (Stand by and display off)
... V
Signal path
~
30V
2343
10µ
!
1008
17
7
16
15
180 - 220V~
6
14
13
5
12
11
4
10
2
°
9
150 C
th. fuse
1
8
2345
10n
6
5
4
7353
CQY80NG
1356
1345
T5A
1357
T2.5A
1358
T5A
1346
10k
NTC
1
2
3
!
positive halfwave
negative halfwave
to POWER BOARD
1
PLAY BACK
DECK A
REC/PB
DECK B
erase
head
ERASE OSC.
BIAS GEN.
BIAS
LEVEL
12
13
BIAS
SYMM.
REC
LINE-IN
SELECTOR
HEF4952
Mode
STOP
PB deck A
PB deck B
REC (line)
DUBBING
FUNCTIONAL DIAGRAM TAPE PART
REC
EQUALIZ.
S3
S2
S4
S1
S0
PB
EQUALIZ.
S0
S1
S2
S3
0
1
1
0
0
0
0
1
1
0
S4
FILTER
PB-LEVEL
DECK A
PB-LEVEL
DECK B
REC-IN
REC
LINE-OUT
DETECT.
Vref
REC-LEVEL
REC-OUT
10 11
TAPE
IF-AM
450kHz
5111
40
AM-MIX Out
FM
DET
18
FM
IF1
CHARGE
PUMP
AM
OSC.
8
10.7MHz
TEA5762
FM
IF2
AM
FRONTEND
FM GND
RF GND IF GND Dig. GND RF GND
3
4 172642
38
V Stab A
AM
MIXER
+FM
BLOCKDIAGRAM
A
1102
1
Ant1
4 GND
f=f +f
oinif
3
6
AGC
+B
FM FRONTED
10.7MHz
Osc.
Out
Out
7
IF
8
6
C
Fa
F 10.7MHz
if
Fo
MT
MT
VT
5
VCC1 VDD
7 23
VCC1 VDD35FM-IF234V Stab B33FM-IF2I
STABILIZER
FM-IF1I in
37
FM Osc.
5
I-Tune
8
AM-RF
2
Ripple
AM-Osc.
1 10
AM-OSC
5123
5102
MW
2106
5103
LW
B
AM-RF
MW
5122
LW
41
AM-IF1 in
FM-Demod
10.7MHz
AM
IF-AM
AM-DET
2 1
VCC2
450kHz
AGC
44
36
AM-IF2
AGC
AM
DET
7
5114
450kHz
32
AM-AFC19AFC-20AFC+
AFC
AF-Out
Fieldstrength
21
ANTI BIRDY FILTER
Indc.
XTAL
OSC
75kHz
RDS
25
CONTROL
MPX-In
11
3142
VCO
STEREO
VCO LPF
9 12
22
VCC2
WRITE Enable
DATA
CLOCK
FM/AM
Mono/
Stereo
DECODER
PILOT
Left
Mute
Right
Filter
1121
1
GND
2
RDS
29
28
27
P1
31
39
P0
30
24
14
13
15
16
+FM
VCC1
VDD
RDS
3
ENABLE
4
DATA
5
CLOCK
6
STEREO
3
4
1124
1
LEFT
2
GND
3
RIGHT
4
VCC
5112
IF
VCC2
MOTOR
HS
SOL-B
EOT-B
SOL-A
EOT-A
COMBI BOARD
Vdd
Vcc1
5
B
b
St a
V
A
St ab
V
FM-RF
TUNER BOARD ECO5 systems
MOTOR
DRIVER
REGULAT.
SOLENOID
DRIVER
SOLENOID
DRIVER
Vcc2
VCO
LF Filter
Discr.
10.7MHz
10.7MHz
LOOP
V
1101
SPEED
1124
9
11
10
18
33
35
37
39
3
(1102)
TAPE SPEED
HS/NS
Tape logic / µP part
4
Vcc
left
right
4
4
15
14
right
left
stereo
Stereo
Decoder
FM
Det.
IF2
RADIO IC
IF1
FM
Mixer
FM
frontend
43
FM-Osc.
LOOP
V
FM
A
VCC-B
VCC-A
1
1126
3
Version
27
24
clock
TEA5757T
Multi-
plexer
Pre-
scaler
FM
Osc.
5
AM-Osc.
LOOP
V
stereo
28
data
AM
4
enable
Osc.
6
solenoid
deck A
hall-IC
deck A
clock
data
29
CONTROL
AM
Det.
AM IF
AM
Mixer
AM
frontend
2
C
AM-RF
1103
1
enable
31
P1
P0
output ports
programmable
AGC
1
LOOP
V
30
pump
Charge
8
LOOP
V
CRO2-A
Reference
Oscillator
AFC
38
A
St ab
V
MW/LW
AFC+
AFC-
34
B
St ab
V
AM-RF
25
20
19
32
44
36
41
40
22
7
23
AM-Osc.
75kHz
Vcc2
Vdd Vcc1
2
450kHz
450kHz
450kHz
MW/LW - SELECTION
(MINI)
3
1
+5V
3151
1.5k
2
A
T002
printed
100p
1.4V
0.8V
16151413121110987654321
in
FM RF
AM IF1
FM
Frontend
MIXER
5140
312211821101
2
T007
1.4V
in
AM
AM
AM/IF
3231
out
MIXER
MIXER
0
FM/IF
SFE10.7MS3
5143
1V
out
FM
MIXER
FM
FM
OSC
AM
OSC
4
6
1.4V
V Stab A
0.7V
FM IF1
FM
IF1
AM IF
3
1
1.3V
1.4V
in
AM IF2
7140
TEA5712T
AM
2151
in
10µ
T009
RIPPLE
2.1V
FM-RF
5109
RF1.5T
3108
100k
AGC
x2115
3-11p
6109
1SV228
AGC
0.7V
3106
100k
0.1V
2150
10µ
printed
FM RF
out
SUB
0V
7105
2SA838B
0V
0.7V
0V
Q-MULTIPLIER
LW/MW
GND
+5V
3157
2107
FM OSC
0V
27k
1n
Frontend
FM RF GND
AM RF
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
0V
C
only for /01
3206
220
9134z
9199
B
St ab
V
MW/LW-RF
LW/MW
3109
2.2k
3107x
2.2k
2112
100n
6105
HV1V02H
2.7
0V
0.7V
LW
1
MW
123
B
b
St a
V
654
A
St ab
V
LW
AM-FRAME...
AERIAL
1105
3236o
2
1
0
T006
B
43
5108x
61
3221
3222o
5107
2
0
0
2114x
100p
5%
3245o
0
T005
7102x
BC817-40
2113
4-20p
2110o
2126x
100n
22p
71042x
BC848C
5142
F7MCS-12216N
2
2147
SFE10.7MS3
T012
1.1V
0.7V
out
FM IF1
AM/FM
INDIC
V Stab A V Stab B
AM OSC
0V
FM-OSC
5120
RF1.5T
2121
15p
6124
1SV228
2120
470p
3120
5.6k
2185
100n
BC848C
3124x
2.2k
0V
0.7V
AM/IF
10n
FM/IF
5144
1.4V
V Stab B
FM
IF2
IF AMP
MUTE
STABILIZER
VCC
5V
+5V
only for /01
5125
0.47µ
9105z
printed
3244
3238x
7121x
4
6
1.2V
0.7V
in
FM IF2
AM
DET
IF GND
TUNING
INDIC
Tuned = Low
3147
VCO 152kHz
0
0
DISCRIMINATOR
5145
CDA10.7MC40
1V
IF
FM
GND
PILOT
FM
PRES
DET
PHASE
SWITCH
AM/FM
SWITCH
AM
CONV
AM/FM SWITCH
R VCO
AM/FM
1V
0.7V
1.6V
4
AM = High
6140
1N4148
180k
56k
3149
100k
3148
0
3243o
0V
DEMOD
DET
DET
V/S
OUT
T010
3248
4
6
4
6
PILOT
FILTER
0
5123
5122x
1V
FM
MPX
1.3V
T013
2141
2.2µ
0.6V
R out
MATRIX
38kHz
SYNCH
DET
CONTROL
MONO/ST
SWITCH
LED
DRIVER
IN
STEREO
LED
0V
5V
T011
2167
100n
BIRDY FILTER
2169
330p
MW
110µH
LW
110µH
T014
1.7V
0.6V
L out
IF count
SOFT
MUTE
MUTE
TER
LOOP FIL
MUTE
M/ST SWITCH
0.7V
0.8V
0.2V
MONO = Low
STEREO = Low
AM = HIGH
3132
4.7k
3
2
1
3
2
1
2154
18n/27n
*
2155
18n/27n
*
AM/FM/IF
COUNT
AMP
FM IF
AM IF
SDS
VCO
DIVIDER
18/19/38kHz
AM OSCILLATOR
6105
HV1V02H
5
3242
0
2136
27p
2125x
3241o
0
27p
9190
9191
VERSION PROGRAMMING DIODES
FM, MW, LW EUROPE
FM, MW, LW EAST EUROPE
FM, MW USA/17
FM, MW OVERSEA /01
FM,MW,LW,SW
2129x
390p
1%
3.6
FM, MW, SW
3159
56k
2142
1µ
3224
0
7123x
BC848C
X = DIODE MOUNTED
LOOP FILTER
STEREO DECODER
2143
0.47µ
2138o
33p
0.7V
LW
0V
3129x
4.7k
2144
0.47µ
3142
2.2k
TUNED = Low
2135
560p
1%
3226o
0
0
3229o
PADDING
LW/MW
3128
10k
2139xB
2.2n
LW
2160
2161
3162
1k
1µ
3163
1k
1µ
7172
2177x
100n
6154
1N4148
V
0V
0.7V
+V
3156
10k
FM
AM
MONO = Low
STEREO = Low
Tuning-Indic
Tuned down
Tuned up
LW=high
3177x
10k
4
5V
PC74HCU04T
0V
0.7V
1
MW/LW
IF-COUNT = HIGH
3
0V
SYNTHESIZER
7173 LC7218M
FM/AM
VCO KILLER
IF
3121
100k
0.7V
7120
2122
2SC1047
1n
+5V
3123
22k
5V
0V
0V=no communications
0V
CLOCK
V
0V
0V
0V
CE
DATA in
VERSION PROGR DIODES
6121
1N4148
6122
1N4148
6123
1N4148
0V
0V
0V
121110987654321
OUT3
OUT2
OUT1
OUT0
3183
22k
3184
22k
T038
SYNC
0V
DATA out
0V
0V
IN1
IN0
SHIFT REGISTER LATCH
REFERENCE
1/2
Charge pump
PD1
1V
2183
100n
PD2
DIVIDER
PHASE
DET.
VSS
HN1V02H
1
2
3
4
PROGR.
COUNTER
OUT6
2134
0V
5V
AMin
0V
AM
OSC
1n
7172
9
PC74HCU04T
DIVIDER
FMin
2.6V
1
3112
8
VDD
10
+5V
5V
LW = Low
5V
0V
UNIVERSAL
COUNTER
OUT4
OUT5
LOW
CTR
HIGH
13 14 15 16 17 18 19 20 21 22 23 24
5V
0V
0V
0.8V
2178
+5V
3122
470
2123
3119
1n
470
3.4V
FM OSC
AMP
SWITCHING LOGIC
7172
1
11
PC74HCU04T
CTR
0V
0V
AM IF
FM IF
2179
2124
10n
100p
1n
AM-WAVEBAND
LW/MW
10
0V
5V
2.4V
Xin
Xout
2.7V
6105
11-16V
+V
to
3193
3194
3195
3197
7175
3192 1.8k
3191 1.8k
3190 1.8k
3189 1.8k
3171 100R
L=valid_signal
3188
1k
2180
Weak signal
7.2MHz
2181
12p
5170
7.2MHz
27p
5V
0V
3176
100R
to
2193
3110
3111
Tuning_indic
3112
3113
3116
3122
3123
3135
3144
3151
3157
3160
3161
3175
3180
3182
3185
3186
3187
7140
7167
7172
7174
Strong signal
5.1V
+V
152kHz 150mVpp
5V
0V
stereo stereomono
4.8V
2184
100µ
STABILIZING CIRCUIT +5V
o for 2-band version only
x for LW version only
*, y for USA version only
z not for all versions
+5V
5V
8
7
6
5
14 13 12 11 10 9 8
VCC
7172
PC74HCU04T
1234567
3235
6121
0
6122 6123
XX
X
X
X
X
X
X
FM/AM SWITCH
0V
T040
3174
10k
7128x
BC848C
3125x
4.7k
X
7172
1
2
PC74HCU04T
0.7V
0V
IF
5V
0
5V
0
1
5V
0V
Autostore
with 1-level search
3173
15k
T015
+5V
3175
100k
5V
0.6V
7170
BC848C
LOOP FILTER
FM/AM
+5V
1
7171
BC848C
Found strong
signal during
SEARCH
IF 200mVpp
3186
100k
2172
1.5µ
3172
4.7k
1V
2173
47µ
+5V
3141
220R
3144
10k
6170
1N4148
3153
68k
0V
7168
BC858B
3193
2.2k
2171
4.7n
T036
2170
4.7n
IF
3170
4.7k
7179x
BC848C
T020
T021
T022
T023
T027
T028
T029
T030
T031
T032
6174
BZX79-B5V1
3167
0R
1153
4
AF_left
3
GND
2
AF_right
1
+V
1172
1
CL
2
DATA
3
COUNTER/DATA
4
CE
5
STEREO
6
STSIG
+V
11-14V
3240
3194
47R
330R
3197
330R
3195
330R
SIGNAL PATH
EVM
V
Vdc FM mode stereo
Vdc MW mode
V
Vdc LW mode
V
GND
3
2
FM
AM
AF
BOARD
TO/FROM CONTROL
BOARD
TO/FROM CONTROL
AERIAL
AM-FRAME
B
DW_SE5/2003
2
COMBI AF-PART
1560
2
L
3569
2563
150k
47p
2564
S
S
47p
3570
150k
6
2555
220n
3527
47k
1
R
3
459
NEQ
4599
NK
2843
0.47µ
1
2
A
3
4
+12V
2844
2556
220n
0.47µ
3528
47k
4597
NK
4595
NEQ
3512
15k
2580
3548
150k
NJM4560M
L-EQU
L-REC
L-IN
TAPE-L
CD-L
AUX-L
CD-R
AUX-R
TAPE-R
R-IN
R-REC
R-EQU
AUXILARY
3559
3.3k
2557
0.22µ
1553
from/to
TUNER
2558
0.22µ
3560
3.3k
2565
100n
3563
1M
3564
1M
3
2
S A
1
2566
0004
100n
L-EQU
3547
150k
+9V
2535
10p
7507
NJM4560M
1
4.5V
3575 68k
2579
3531
1µ
3511
15k
4.5V
4.5V
4.5V
16 15 14 13 12 11
3505
100k
9.0V
8
2
4.5V
-
3
4.5V
+
1k
2559
10n
8.9V
4.5V
MUTE
INPUT MONO
INPUT A LEFT
INPUT B LEFT
INPUT C LEFT
SOURCE SELECTOR
RIGHT
RIPPLE IN
INPUT C RIGHT
4.5V
47µ
REF_SOUND
REF_SOUND to
3505
3506
3506
100k
6
4.5V
4.5V
5
RIPPLE IN
4.5V
2561
47µ
REF_SOUND
INPUT A RIGHT
INPUT B
17 18 19 20 21 22
4.5V
8.9V
4.5V
2560
3532 1k
1µ
3576 68k
2536 10p
-
7
4.5V
+
4
7507
A
3593
470
REF_SOUND
A
4.5V
INPUT D LEFT
INPUT D RIGHT
4.5V
A
3
2
1
1559
2501
8.2n
3501
22k
2537 100p
3503 2.2k
A
A
2503
0.47µ
4.5V
4.5V
10
9
VOLUME1
LOUDN.
LINEAR OUT L
LEFT
LOGIC CONTROL
VOLUME1
LOUDN.
RIGHT
LINEAR OUT R
23
24
4.5V
4.5V
2504
0.47µ
3502
22k
2502
2.2k
8.2n
2538
3504
100p
AA
AUX-L
AUX-R
A A
3507
4.7k
2517 470n
2507
270n
6551 BAV99
12
3
6553 BAV99
21
3
2505
0.22µ
4.5V
4.5V
8
7
BASS
LEFT
BASS
RIGHT
25
26
4.5V
4.5V
2506
0.22µ
6552
BAV99
12
3
6554
BAV99
21
3
470R
2508
270n
3594
2518
3508
470n
4.7k
A A
+µP +12V
3572
220k
3549
220k
2539
100n
2553
5.7V
2.2n
7502
BC848C
A
A
A
VERSIONS:
Karaoke K
No Karaoke NK
No Equalizer NEQ
3533
5.6k
2511
330n
3553
3543
1k
3577
2552
100µ
4.5V
4
Front
Front
29
4.5V
BC848C
4.5V
3
Rear
VOLUME2
LEFT
VOLUME2
RIGHT
Rear
30
4.5V
3544
1k
7505
9.7V
3524
22k
2521
220µ
1k
A
4.9V
1
2
2
IC
7553 TEA6321
VCC
32
31
3578
9.0V
0.2V
1k
9.0V
+9V to
3589
+9V
7507
3535
3536
4.7k
4.7k
A
IIC-SCL
IIC-SDA
A
2513
5.6n
4.5V
4.5V
6
5
TREBLE
LEFT
TREBLE
RIGHT
27
28
4.5V
4.5V
2514
5.6n
A
12.0V
+12V
3523
4.7k
2512
330n
A A
3534
5.6k
2523
3555
120k
3551
REF
2524
10n
10n
3554
3556
120k
3552
REF
2530
330n
47k
47k
2529
330n
47k
47k
2525
470p
2526
470p
4.5V
4.5V
REF
4.5V
4.5V
REF
2527 100p
3557
+12V
47k
12.9V
4
2
-
1
3
+
7506
NJM2058M
2531
3583
4.5V
1.5n
6.8k
3591
4.5V
6.8k
INCREDIBLE
STEREO
2528 100p
3558
7506
47k
NJM2058M
9
-
3584
8
+
11
A
2532
4.5V
1.5n
6.8k
3592
4.5V
6.8k
3598
6.8k
REF
10
4.5V
3565
4.7k
6
5
4.5V
3566
4.7k
13
12
7506
NJM2058M
3567
3.3k
+
7506
NJM2058M
3597
6.8k
REF to:
2525 2526
3551 3552
3598 3597
3568
3.3k
+
3509
3573
3574
3510
10k
4.7k
7
4.5V
REF
REF
14
4.7k
10k
4.5V
HPREF
2515
33n
3585
270k
HPREF
HPREF
3586
270k
2516
33n
HPREF
A
39k for none I
3515
3529
39k
2581
100p
2583
33n
3595
270k
3589
820
3590
3.9k
2509
47µ
3596
270k
2584
33n
2582
100p
3530
39k
3516
10k
+9V
10k
3513
100k
2533 15p
A
8.2V
2
3
8.2V
NJM4556AM
2585
100p
A
HPREF
2541
47µ
3541
4.7k
A
A
3580
33
A
2586
100p
5
8.2V
6
8.2V
NJM4556AM
4
+
7501
-30V
HPREF to:
3515 3516
3585 3586
3595 3596
+16V
!
A
17.6V
+
4
-
8.2V
7501
2534
15p
3514
100k
2588
100n
8.2V
3500
4.7M
3521
1k
A
7503
BC817-40
-8.4V
3522
1k
-8.4V
7504
BC817-40
2574
100p
2589
100µ
3520
100
3517
1
7
4555
4.7k
3538
470k
3539
2.2M
0.6V
100
3519
2519
47µ
0V
2578
100p
A
A
3537
470k
2540
22n
2733
0.47µ
+µP
47
3540
100
4.9V
BC858C
-8.4V
1505
5
4.9V
7512
100k
3545
2550
1µ
2734
0.47µ
4
3
2520
47µ
2
1
PHONES
A
0V
A
A
3518
47
+12V to
0005 (pin2)
1551 (pin5)
1833 (pin4) 1830 (pin16)
1835 (pin6) 1834 (pin16)
3523
4555
5501
7506
7505
AUDIO-BUS
R-REC
L-REC
MUTE
ML
REC-L
REC-R
CD-L
CD-R
TAPE-L
TAPE-R
STBY-AMP
IIC-SDA
IIC-SCL
MUTE
MIC-SENSE
KEY-SENSE
VOCAL-C
KEY-DATA
VOCAL-B
KEY-CLOCK
VOCAL-A
KEY-STROBE
KEY-ON
CLIPPING
NTC
STBY
PWI
To 3540 7512
3572
+5.6V to
6501 7856
+5.6V
+16V
To 7501
+12V
STBY-AMP
R-AUDIO
L-AUDIO
PWI
-30V
F1
F2
STBY
CLIPPING
NTC
REC-L
REC-R
CD-L
CD-R
TAPE-L
TAPE-R
S-ANALYZER
STBY-AMP
IIC-SDA
IIC-SCL
MUTE
MIC-SENSE
KEY-SENSE
VOCAL-C
KEY-DATA
VOCAL-B
KEY-CLOCK
VOCAL-A
KEY-STROBE
KEY-ON
CLIPPING
NTC
STBY
PWI
+µP
1833
9
8
D
7
6
P
5
4
3
2
A
1
1829
7
6
5
4
3
2
1
(TO COMBI
BOARD TAPE
SIGNAL PART)
(FROM COMBI
BOARD CD PART)
(FROM COMBI
BOARD TAPE
SIGNAL PART)
+5.6V
GND-DIG
+16V
GND-POW
+12V
STBY AMP
R-AUDIO
GND-ANA
L-AUDIO
PWR-DOWN
-30V
4.5V AC
4.5V AC
STBY
CLIPPING
NTC
TO/FROM COMBI MUP PART
TO/FROM POWER BOARD
FUNCTIONAL DIAGRAM AF-PART
CD-L
TUNER-L
TAPE-L
AUX-L
SOURCE SELECTOR
AUX-R
TAPE-R
TUNER-R
CD-R
MIC 1
MIC 2
KARAOKE BOARD
+6V
MIC AMP.
(not for all versions)
LINEAR OUT-L
FB
VOL1
lound.
lfte
VOL1
lound.
right
FB
LINEAR OUT-R
MIC AMP.
HIGH if no mic connected
MIC SENSE
0V .. if no mic connected
2V .. if mic connected
but no signal on input
>2.5V .. mic & signal
SOFTCLIPP.
BASS
LOGIC CONTROL
BASS
SOFTCLIPP.
FB
left
right
FB
+6V
FB
TREB
lfte
TREB
right
FB
RAM
MAIN
CONTORL
VOL2
lfte
VOL2
right
IIC-SCL
IIC-SDA
OSC
MIC/ECHO MIX
short-circuit only for sets
without Karaoke feature
TEA6321
2
IC
INTERFACE
short-circuit only for sets
without Karaoke feature
DIG. ECHO
M65844P
DAC LPFADCLPF
FRONT L
REAR L
REAR R
FRONT R
SWITCHING NETWORK
L-IN L-OUT
INCRED.
STEREO L
INCRED.
STEREO R
R-IN
R-OUT
L-OUTL-IN
VOC. FADER
VOCAL A
VOCAL B
VOCAL C
DW_SE5/2003
HEADPHONE
L-AUDIO
R-AUDIO
MUTE
BA3837
LOGIC
Left analog
GND analog
Right analog
AMP ON
GND POW
GND DIG
to/from COMBI BOARD
1301
1
2
3
4
+12V
5
6
+16V
7
8
+5.6V
9
1303
1
2
3
4
5
6
7
to primary and secondary
(SUPPLY) part
opt. 8305
1
connected to
METALL BOTTOM
+16V
+5.6V
NTC
CLIPPING
STBY
4.5V AC
4.5V AC
-30V
PWI
3302
10k
3303
3313
120
+12V
1830
1716151413121110987654321
n.c
A D
R-REC
L-REC
R-IN
R-IN
+12V
R-REC
L-REC
GND-A
TO/FROM KARAOKE BOARD
RIPPLE
FILTER
+
-
GND GNDSTBY
123456789101112
2305
10n
1.2V
2309
2310
4.7V
2307
10n
22µ
3315
3.9k
4.7V
1.2V
2308
10n
3316
3.9k
22µ
1.2V
16.4V
PIN1
47k
+12V
3304
220
6310
1N4148
2313
1µ
3309
330
RIPPLE
FILTER
+
-
GND GNDSTBY
123456789101112
2306
1.2V
10n
16.4V
PIN1R
3310
330
TA
L-IN
MIC-SENSE
VOCAL-C
KEY-DA
L-IN
VOCAL-C
KEY-DATA
MIC-SENSE
7301 AN7164
+
0V
8.6V
390
2315
47µ
3307
6325
BZX79-C4V7
2317
100n
3317
2.2
7302 AN7164
+
0V
8.6V
390
2316
47µ
3308
6326
BZX79-C4V7
2318
100n
3318
2.2
VOCLA-B
KEY-CLOCK
VOCAL-B
KEY-CLOCK
BOOTSTRAP
14.4V
3325
220
!
BOOTSTRAP
14.4V
3328
220
!
VOCAL-A
KEY-STROBE
VOCAL-A
KEY-STROBE
8.6V
2319
47µ
6331
BZX79-C4V7
2311
100n
3311
2.2
8.6V
2320
47µ
6332
BZX79-C4V7
2312
100n
3312
2.2
KEY-SENSE
KEY-ON
GND-DIG
KEY-SENSE
VCC
BOOTSTRAP
17.3V
14.4V
220
3331
6303
1N4148
!
VCC
BOOTSTRAP
17.3V
14.4V
220
3326
6304
1N4148
!
KEY-ON
3359
2323
1µ
6301
1N4148
2324
1µ
6302
1N4148
Pin12 +16V
1
6307
BYV27-50
2339
47µ
3347
3.3k
PIN1
Pin12 +16V
6308
BYV27-50
2338
47µ
3338
3.3k
PIN1R
V
7305
BD681
+5.6V
7306
BD681
DC-voltages measured in
EVM
Tuner FM Stereo
+24V
3355
100
2329
1µ
27V
3327
17.4V
330k
26.3V
6335
BZX79-F22
+24V
3356
100
2330
1µ
27V
17.4V
POWER BOARD / AF-Part
3329
100k
27V
7307
BC558
8303
2331
100n
CLIPPING
1304
5
4
3
2
1
2327
0.22µ
to 2328
2337
220µ
2333
100n
3337
68
3336
2334
100n
68
2336
220µ
from 2327
8304
1
connected to
2328
REAR CABINET
0.22µ
only surround version
3335
4.7k
6309
BZX4V7
0014
5
4
3
2
1
3333
68k
1302
8
7
L
6
5
4
3
R
2
1
LOUDSPEAKER
CLICKFIT SOCKET
surround
surround
FUNCTIONAL DIAGRAM CD-PART
DISC
Turntable
motor
a
t
b
n
r
l
e
u
t
Inner sw itch
pick up
unit
slide motor
CD - Drive
CDM 12.1
L
R
Track servo
Focus servo
Slide servo
PHOTO DIODE
ARRAY
ALPC
Track
Focus
D1 D2
D3
Flex pcb
Focus, Track, D1-D3, R1-R3
DISC MOTOR+
DISC MOTOR-
CD INTERFACE BOARD COMBI BOARD
+5V
Laser
7804
7850
7820
Laser
on/off
D1
D2
D3
D4
f
R1
R2
6
6x Inverter
HF - Pre amplifier
PC74HCU04N
DIGITAL
SERVOPROCESSOR
µP Interface
CONTROL
A/D Converter
DSIC2 TDA1301T
7801
MOTOR DRIVER
TDA7073A
7800
MOTOR DRIVER
TDA7073A
Output Stage
CLK
16.9MHz
OTD
V
Low pass
3
4
2
5
3x
SLIDE
FOCUS
f
TRACK
FOCUS
TRACK
SLIDE
R2R1
SLIDE+
SLIDE-
D1
D2
+
D3
D1
V
D2
D3
R1
6x
R2
Low pass
FOCUS+
FOCUS-
TRACK+
TRACK-
RESET
From Signal processor
Motor control
7860
16.93MHz
OSC.
OTD = Off Track Detection (low active)
7862
MOTOR DRIVER
TRAY
M
MOTOR
CAM
M
MOTOR
TDA7073A
SAA7345
SIGNAL PROCESSOR CD6
DIGITAL
PLL
PLL
FRONTEND
TIMING
ACE
INTERF
MICROPROCESSOR
EFM
DEMODULATOR
SRAM
RAM
ADDRESSER
Q-CHANNEL
CRC CHECK
Q-CHANNEL
REGISTER
VERSATILE PINS
INTERFACE
RESET
TRAY MOTOR
POSITION MOTOR
PEAK
DETECT
7690
MOTOR
CONTROL
ERROR
CORRECTOR
FLAGS
SUBCODE
AUDIO
PROCESSOR
EBU
INTERFACE
TA
KILL
INTERFACE
RESET
RESET
I/O PORT
SERIAL DA
RAM TIMING
CPU
I/O PORT ROM
µP used for other functions too
To Motor Driver 7852
CLK
ws
DATA
SERIAL DATA
8MHz Osc.
µP
TMP879971F
SUPPLY
FOR TDA1311
7871 (TDA1311)
DAC
INTERFACE
I/O PORT
D/A
D/A
RESET
ACKN
STROBE
DATA
+10V
CD Left
CD Right
Communication lines
with main µP
RESET
ACKN
STROBE
DATA
3
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