Philips FR-975 User manual

Service Manual
Safety regulations require that the set be restored to its original
condition and that parts which are indentical with those specified
be used.
Copyright 1995 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system or transmitted, in any form or by any means, electronic, mechanical, photocopying,
or otherwise without the prior permission of Philips.
Published by MD 0016 ServiceAudio Printed in the Netherlands Subject to modification
PCS 102 481
3104 215 50060
TABLE OF CONTENTS Page
Location Boards / System info ................................................... 1-2
Technical Specification ............................................................. 1-3
Service Tool / Measurement setup / Safety .............................. 1-4
Warning / Handling Chip components ...................................... 1-5
Abbreviations ............................................................................ 1-6
Instruction for Use ...................................................................... 2
Dismantling hints / Service positions ......................................... 3-1
Dismantling hints MDM Module ................................................ 3-2
Wiring diagram .......................................................................... 3-3
Block diagram ............................................................................ 4
Service Test program ................................................................. 5
Front Board ............................................................................... 6
Tuner 95 diagram ...................................................................... 7A
ECO 5 Tuner diagram ............................................................... 7B
Multi-Channel Decoding Module ................................................ 8
Mains Board .............................................................................. 9
Mono Board ............................................................................... 10
Exploded view ........................................................................... 11
S-VHS Board .............................................................................. 12
Exploded view partslist .............................................................. 13
Partslist Mono Board ................................................................ 14
DIGITALE A/V SURROUND RECEIVER FR975/00/01C/17
MX980D/37
D I G I T A L
DOLBY

snap
snap
Dismantling of Front
1) Remove top cover
2) Remove power rod
3) Remove 6 x screw as shown in picture 1
4) Release two snaps (left & right side front)
5) Release two snaps on the bottom side front
6) Tipp down front as shown in picture 2
picture 1
picture 2
Dismantling of mainstrafo
3) Remove 14 x screws shown in mentionned aria . See picture 3
picture 3
1) Remove front .See picture 1
2) Remove whole front (disconnect the wires on the mono
board coming from front)
picture 4
4) Remove wires out the cable-sleeve.
5) Remove 7 x screw and remove metal bracket
6) Remove 2 x screw on mono board . See pictue 4
7) Remove mono board as shown arrow 1 & 2 . See picture 4
8) Bring the mono board in the service position as shown in picture 5
1
2
picture 5
picture 6
Service position monoboard
1) Bring front in position as shown in picture 6
2) Snap nok of front in bottom to make front stable .See picture 7
3) Connect front wiring back to monoboard.
*The tuner module doesn't have to be connected. Use an other source (pe.CD)
picture 7
picture 8
Service position main trafo
1) Remove power rod
2) Remove 4x screw as shown in picture 8
1) Put main trafo as shown in picture 9 picture 9
snap
Power rod
Metal bracket
Dismantling of mono board
1
1
1
1
1
1
1
22
11
11
1= Torx M3x6mm ( screw with big head )
Legend
2= Torx 3x10mm 3= Torx M3x6mm
Handling service cover
1) To open the service cover cut 14 x lugs between cover and bottem . See picture 10
2) To close the service cover put 11 x screw in mentionned holes. See picture 10
Service codenumber 12x Torx M3x6mm screw with big head = 4822 502 14659
picture 10
1
1
1
1
1
1
( )
1
cable-sleeve
1
111
1
1
1
1
snap
11
3
2
2
2
PCS 102 488
3-1 3-1
DISMANTLING HINTS

3-2 3-3
PCS 102 489
DISMANTLING HINTS WIRING DIAGRAM
ls_l
ls_gnd
ls_r
ls_gnd
ls_c
ls_gnd
8402
8205
8002
8401
SCREW TERM
FRONT
tu_l
tu_gnd
tu_r
+12
tu_stereo
tu_clk
tu_da
tu_en
tu_rds
tu_gnd
6 XH 4 XH
6 DM
15 FFC
p_p50
p_gnd
v_sda
v_scl
v_gnd
v_sig
8 DM
HEADPHONE
+
FRONT AV
MONO II
6 DM
6 DM
5EH 5 EH
ac_h1
ac_l1
ac_gnd
ac_l2
ac_h2
SEC. TRAFO
ac1
ac2
ac3
3 EH
f1
f2
amp_prot
gnd_s
4 EH
4 EH
MAINS
relay
mfd
+v
gnd_s
2 VH 4 VH
ac_0VA
ac_120VB
ac_110VB
ac_10VB
8206
8077 8076
8009
8010
8011
8004
8012
8 DM
8405
2 DM
1401 only in
RDS version
1410
1426
1440
1441
Stby Led
1523 1521
1511
4 DM
1254
1520
1257
8 EH
1252 1251
1253
3 EH
1255
4 EH
1526
4 DM
1302
1560
6 EH
1552
0051
1064 1063
4 EH
8077
2 SDN
8076
4 SDN
1073 1074
1071
1072
5 EH
5 EH
MDM
15 FFC
4 EH
PRIM. TRAFO
1803
1802
mdm ---Left out ---Ground ---Right out ---Ground ---Center out ---Ground ---Surround left ---Surround right ---Subwoofer out ---Downmix left ---Downmix gnd ---Downmix right
---Reset ---Request ---Sda ---Scl ---Ground --- + 6V ---Right In ---Ground ---Left In ---Ground --- +12V --- -12V
ssce
ssclk
ssdata
sofac scl
sofac1 sda1
sofac2 sda2
dpl clk
amp s on
amp lr on
d ground
amp prot
amp mute lr
amp mute c/s/ sub
dd reset
dd req
4 DM 1433 not in
RDS version
only in RDS
amp stby
amp pd
+5
+5D
ground d
-30
f1
f2
XH
12/JQ XH
only/01
1305
8502
1427
2 DM
1435
2 DM
v_gnd
v_sig
1425
7 DM
8410
8408
1436
7 DM
1437
2 DM
6 EH
1515
8409
6 DM
6 EH
av_ r
av_gnd
av_ l
hp_ on
hp_gnd
hp_ r
hp_ l
8407
8 DM
ac_A
ac_fuse
-VH
-VL
ls_gnd
ls_gnd
gnd
gnd
+VL
+VH
av_ r
av_gnd
av_ l
hp_ gnd
hp_ r
hp_ l
MDI /FR975 /update 28-03-00
TUNER
4 XH
VIDEO SELECTOR
P50 Board &
8008
FR975
+12
v_gnd
subw.pre out
s_gnd
8202
1270
1272
1266
1903
8208
8207
1503
3 DM
1563
8503
c-sig
gnd
subw sig
3 EH
1402
8504
1554
5 DH
1960
5 EH
SVHS
VIDEO
SELECTOR
+12
gnd
v_sda
v_scl
v_gnd
12/JQ
Dismantling of MDM module
1) Remove all the screws mentionned in the arial . See picture 11
picture11
2) Remove backplate a little backwards.See arrow 1 (picture 12)
3) Pull module out the set as shown in picture 12
picture12
1
3
3
2
2
6x
1= Torx M3x6mm ( screw with big head )
Legend
2= Torx 3x10mm 3= Torx M3x6mm
1x
1x
4x
2

4-1 4-1
PCS 102 490
BLOCKDIAGRAM
+5D
+6
+12
protection 3
F2
F1
-30
-VL
-12
+VL
+VH
o o
Key Matrix
Eeprom
IR Eye
Volume control
Source selector
encoder
Menu navigator
µP
Display
Led drive
Left
Right
Center
Surround
Right
ECO5/
Tuner 95
Record path
CLK
DATA
+5D
+5D +5
12x
P50
Reset
+5D
+9
F1
F2
protection1,3
ATT
ATT
ATT
ATT
ATT
CD
CDR/Tape
VCR
SAT
FRONT AV
CDR/Tape
VCR
LOGIC
L/R in
MDM 2000
DECODER
IN
GAIN VOL LOUD BASS
MID
TREBLE
SPKR
ATT
LOGIC CONTROL
IN
GAIN VOL LOUD BASS
MID
TREBLE
SPKR
ATT
LOGIC CONTROL
L
R
IN
GAIN VOL LOUD BASS
MID
TREBLE
SPKR
ATT
LOGIC CONTROL
C
SUB
SR
ATT
MUTE
Headphone
L
R
+
-
+
-
+VH
MUTE
MUTE
Center pre-out
Subwoofer pre-out
+
-
+
-
Surround
Left
+
-
C
SL
SR
Stereo/Clock/Data/CE
Tuner
control
RDS DECODER
Source selctor
control
SSCE
SSCLK
SSData
MDM
control
Reset
SCL/SDA
Request
Sofac
control
SDA1
SCL
SDA2
Headphone
sense
Source selctor
control
Tuner
control
MDM
control
Sofac
control
Sofac
control
Sofac
control
Headphone
ON
Mute
control
Amp-ON
Amp-ON
Amp-ON
Amp-ON
0,33E
Mains
MFD
Electric
voltage
selector
+V
+5D
+5D
+5D
Outlet
Only /01
Only/01
Current
buffer +5D
-30
-30
DVD In
VCR In
SAT In Logic control
7803
SDA
SCL
Video sel.
control
RDS Info
RDS Data/Clk
-VH
+VH
-VH
Voltage
selector
Front AV In
-VL
+VL
Downmix out SL
RIAA
LOGIC
Source selctor
control
PHONO
TV
TOS
Coax in 1
Coax in 2
Optical in 1
Coax out
+12
+6
+12sel
+12
-12
-12sel+12sel
-12sel
+9
+9
+9 +5mute
+5mute
+5mute
+12
+12
-12
Shift register
+5D
only /00
MFD
protection 1
Mute
Mute
Mute
SDA2
SDA1
SDA1
-12V
+12
MDI 23-02-00
Cinema Link
3265
Sub
C/Sub
-VH
-12
+VP
-VP
+12
-12
Amp Stby
Amp Stby
0,33E
hst
PTC
FR975
-VL
+VL
Optical in 2
TOS
o o
1056
1062
C/Sub
ATT
ATT
ATT
Front L/R
C/SUB
SL/SR
6CH/DVD Input
+5
DVD In
VCR In
SAT In Logic control
7962
Video sel.
control
VCR OUT
MONITOR
OUT
VIDEO SELECTOR
S-VHS
7961
7960
7965
7964
7963
Logic control Video sel.
control
Chrominacy
Luminacy
VCR OUT
MONITOR
OUT
Video sel.
control
+12
+5video +8video
+12
+12
+5video +8video
+12
+8video
+12
+12
+5video
VIDEO SELECTOR
CVBS
3291
7404
1421
1422
7415
7413
1423
7406/7407/7408
7403
7409
7411/7412
7405
6267
7251
7252 7254
6268
6257
6261
6260
6258/6259
6262/6263
6276
7257
7258
7908/7910
6251
6253
7801
7802
7572-b
7572-b
7504
7503
7501
7571
7905
7621/7622
1424
7601
7661
1525
7660-a
7662
7660-b
1550
7411/7412
7655/7656
7658
7653/7654
7658
7651/7652
7657
7641
7642
7643
7644
7416/7417/7418
3915
3901
3328
3301
+5mute
6649
1540
+VP
-VP
hst
PTC
7302
6255 6256
1260
1261
1079
1078

PCS 102 491
5-1 5-1
SERVICE TEST PROGRAM
To start service test
program hold
Bass & Treble depressed
while switching
the mains on
Display shows the
following message
"S-9xx-Vzz"
S stands for Service Testprogram
V stands for Software Version
zz version number counted from 01 upwards
MENU
Button pressed?
Display shows"--"
any key pressed?
Display shows
corresponding key number
( see table 1)
MENU
Button pressed?
KEY
TEST
Y
N
Y
N
Y
N
Key
Cinema
Surr. on/off
Surr. Mode
Virt. Mode
Tuner
*Radio Text
Number
1
2
3
4
5
6
Key
Sens
*News T/A
Prev.Exit
Setup Menu
Next
Enter/OK
Key
Loudness
Bass
Treble
*Front A/V
Number
7
8
9
- -
11
12
Number
13
14
15
16
KeyTest
Table 1
TUNER
Button pressed?
Display showsTuner version
"ccc"
Service frequencies are
copied to the RAM (see table2)
Tuner works normally except:
Local button
Disconnect
Mains cord
Y
N
Y
TUNER
TEST
Service Mode left
This table is valid for all types of tuners.
Custormer presets will not changed after this Tuner test.
If a station is tuned then the display flag "OK" will be ON otherwise it will be OFF.
If the tuned frequency is carrying RDS information, the display flag "RDS" will be ON.
Oversea version:the tuning grid can be switched between 9kHz and 10kHz by pressing
the key "TUNER" for longer then 2 seconds. "Grid 9" or "Grid10" will be shown accordingly.
Grid 9kHz is in FM 50kHz , Grid 10kHz is in FM 100kHz
Europe version:the LW can be switched On and Off by pressing the key "TUNER" for longer
than 2 seconds.LW OFF or LW ON will be shown accordingly.
Display info
Version
1
2
3
4
5
6
7
8
9
10
11
Europe
"EUR"
/00
87.5MHz
108MHz
531kHz
1602kHz
558kHz
1494kHz
153kHz
279kHz
198kHz
98MHz
----
East Eur. 3-band
"EEL"
/14
65.81MHz
108MHz
74MHz
87.5MHz
531kHz
1602kHz
558kHz
1494kHz
153kHz
279kHz
198kHz
East Eur. 2-band
"EEU"
/14
65.81MHz
108MHz
74MHz
87.5MHz
531kHz
1602kHz
558kHz
1494kHz
98MHz
70.01MHz
----
USA
"USA"
/17
87.5MHz
108MHz
530kHz
1700kHz
560kHz
1500kHz
98MHz
----
----
----
----
Oversea
"OSE"
/01
87.5MHz
108MHz
531kHz
1602kHz
558kHz
1494kHz
----
----
----
----
98MHz
Table 2
TunerTest
Y
NEWS/DISPLAYT
Button pressed?
Display shows Fig.1
and switch all LEDs on
except Stby Led
Y
N
Y
DISPLAY
TEST
Y
Display shows Fig.2
and switch all LEDs off
NEWS/DISPLAY
Button pressed?
NEWS/DISPLAY
Button pressed?
N
N
Display shows
Temperature of NTC
in ˚C
Y
N
Y
TEMP.
TEST
CINEMA LINK
Button pressed?
NCINEMA LINK
Button pressed?
TEST
EEPROM
EEPROM
FORMAT
Activated with ACTION
PREV Button
PREV Button
to exit
A test pattern will be
sent to the Eeprom.
"PASS" is displayed if
the µProcessor read
back the test pattern
corrcetly, otherwise
"ERR" will be displayed.
OK Button Display shows"NEW" for 1
second.
Caution!
All presets from the
customer will be Lost
Various
other Tests
Preset
NTUNER
Button pressed?
N
DOWNMIX
DIGITAL
LC
S
RDS NEWS
SENS HALL
LWR
CINEMA LINK ON
STEREO ANA 1 OPT 2
MATRIX
Figure 2Figure 1
NIGHT DOWNMIX
DIGITAL
SURROUND
LCR
SSS
RDS EON TA NEWS
PRESET SENS HILO HALL LOUDNESSSMART SOUND MENU OK
LWR
CINEMA LINK ON
STEREO ANA COAX 12 OPT 12
MATRIX
*Button Radio Text change in Name/Frequency in /01/17 version
Button NewsT/A change in Display in /01/17 version
Button Front A/V not in FR965
Default Data
Source =Tuner---Mode=stereo---Volume=10
Bass=0---Treble=0---Loudness=Off
#Effects: 3D Surr=100
#Volume balance:
Vol Front-L=0---Vol Front-R=0---Vol Center=0
Vol Rear-L=0---Vol Rear-R=0---Vol Subwoofer=0
#Speaker setup:
Subwoofer Present=Yes---Center=Yes---Rear=Yes
#Speaker Sizes:
Front Size=Large--- Center Size=Large---Rear Size=Large
#Speaker Distance:
Dist L/R=3meter---Dist Center=3meter---Dist Rear=3meter
For USA /17:
Dist L/R=10Feet---Dist Center=10Feet---Dist Rear=10Feet.
#Select input: DVD--->Coax1
For /01:FM grid is 50kHz : AM grid is 9kHz
mdi 04-04-00

D C B A
11
D C B A
2427 A1
2430 D1
2445 A1
2447 A1
2448 C1
2449 C1
2450 C1
2451 D1
3471 A1
3477 D1
4450 D1
D C B A
11
D C B A
U1 C1
1424 A1
1425 A1
1427 A1
1428 C1
6-1 6-2 6-3
PCS 102 288
TABLE OF CONTENTS
FTD Display pin connections................................... 6-2
Headphone & Led board layout ............................. 6-3
Circuit diagram ........................................................ 6-4
Component layout ................................................... 6-5
Partslist .................................................................... 6-6
FRONT BOARD
HEADPHONE BOARD - COMPONENT VIEW
HEADPHONE BOARD - COPPER SIDE VIEW
LED BOARD - COMPONENT VIEW
12G
11G
10G
9G
8G
7G
6G
5G
4G
1G
2G
a
b
c
d
e
f
g
hjk
m
nr p
RDS
EON
TA
NEWS
CINEMA LINK
PRESET
SENS
LO
HALL
LOUDNESS
SMART SOUND
HI
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
1G 2G a
j p
h
k
b
f
m
g
c
e
r
n
d
-
-
12G
a
j p
h
k
b
f
m
g
c
e
r
n
d
-
16G
a
j p
h
k
b
f
m
g
c
e
r
n
d
-
-
FTD DISPLAY PIN CONNECTIONS
5 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1
Pin numbers
1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6
N N N N N N
1 1 1 1 1 1
P P P P P P P P P
1 1 1 1 1 1 1
P P P P P P
GGG GGG GGG GGG G GGGC C CCC C
Connection
Pin Connection
Note: FI , F2 --------- Filament
NC -------------- No connection
NP -------------- No pin
1G ~ 16G ----- Grid
NIGHT DOWNMIX
DIGITAL
SURROUND
LCR
SSS
RDS EON TA NEWS
PRESET SENS HILO HALL LOUDNESSSMART SOUND MENU OK
LWR
CINEMA LINK
STEREO ANA COAX 12 OPT 12
MATRIX
3G
16G
15G
14G
13G
STEREO
MATRIX
ANA
DOWNMIX
COAX
OPT
MENU
OK
-
NIGHT
1 (coax)
2 (coax)
1 (opt)
2 (opt)
3G 4G~11G
(1)
a
j p
h
k
b
f
m
g
c
e
r
n
d
-
-
13G ,14G 15G
a
j p
h
k
b
f
m
g
c
e
r
n
d
-
(2)
L
R
C
SL
SR
( )
S
W
S
L
S
R
(L)
(R)
DIGITAL
SURROUND
( )
(1) (2)
(C)
5 4 3 2 1 0 9 8 7 6 5 4 3 2 1
N N N N N N N N N N N F F
C C C C C C C C C P P
1 1
Pin numbers
Connection
6 6 6 5 5 5 5 5 5 5 5 5
2 1 0 9 8 7 6 5 4 3 2 1
P P C C C C C C C C
F F N N N N N N N N N N
2 2

6-46-46-4
PCS 102 492
22p
14
CST
91566
Vkk
22
21
20
19
18
17
TMP87CS71F
3104 217 06790 / 06800 / 06530 / 06540
23
24
12
X in X out
11
34
22p
P6
Test
DD
D
Vss
D
P22
4E7
–30
I/O
35
36
37
38
39
40
41
42
44
43
45
I/O
P7
47
46
48
49
P8
I/O
51
50
52
53
55
54
56
57
I/O
P9
62
58
59
60
61
65
63
64
S4
S1
S0
S2
S3
S7
S5
S6
S8
S9
S11
S10
S12
S14
S13
G4
G3
G7
G5
G6
G8
G9
G11
G10
G12
G14
G13
G15
–30
1k
100k
+5D +5D
10p –30
100k
100p
1k
+5D +5D
BC847B
BC847B
BC847B
–30
100k
10p
1k
+5D +5D
SURROUND
S
L
SS
WR
L
DIGITAL
RC
CINEMA LINK
PRESET SENS HILO SMART SOUND STEREO RDS OPT 12EON
HALL MATRIX
TA NEWS DOWNMIX COAX 12
NIGHT
ANA OK
LOUDNESS MENU
6261 5857565554535251504948474645444342414039383736353433323130292827262524232221201918171615141312111098765 21
0E
G0 G15 S0 S14
I/O
P4
70
69
68
72
71
330E 1N4148
CINEMA SURR MODE
330E
1N4148
MENU ENTER HALL
330E 1N4148
SENS TEXT NEWS T/A
330E
330E
1N4148
AM/FM
BASS
PREV
LOUDNESS TREB
NEXT
1N4148
FRONT A/V
330E 1N4148
ON/OFF
Only in FR975
100k D
22k 22k 22k
DDD
13
CONTROLLER
CLOCK/TIMER/SYSTEM
reset
220n
+5D +5D
BC847B
10k
1N4148
10k
100k
22n
10
P21
16
P20
µ
100
16-MT-95GK
EN3
C2
4
5
6
7
14
13
12
11
9
10
3
SRG8
C1/
8
2
3
15
1
2D 1D
PHONO
TUNER
CD
CDR/TAPE
3D-SURR
SAT
VCR
TV
+5
330E
LTL-1CHPE
D
DDDD
LTL-1CHPE
9
10
DVD
SURR
HALL
12
11
14
13
D8
2D
5
7
6
4
3
SRG8
1D
C1/
2
3
HEF4094BT16
C2
EN3
2
15
1
330E
150E
330E
+5
+5
+5
ALIASING
FILTER
ANTI
COMPARATOR
CLOCKED
FIXED DIVIDER
VARIABLE AND
COSTAS LOOP
REGENERATION
AND SYNC
CLOCK REFERENCE
VOLTAGE
(8th ORDER)
BANDPASS
57 kHz
FILTER
RECON-
STRUCTION
DECODER
BIPHASE
SYMBOL
GENERATOR
QUALITY
BIT
DIFFERENTIAL
DECODER
AND OUTPUT
TEST LOGIC
SELECTOR SWITCH
DIVIDER
OSCILLATOR
AND
Test
10
Mode
9
14 QualMux
RDDA 2
RDCL 16
T57 15
13
OscI
14
OscO
220k
2k2
AT-5I
4M332 47p47p
DD
DD
SCout
87
Cin
SAA6579T
560p
12
Vddd
2µ2
Vdda
5
22n
Vpi
D+5
Vref
3
2µ2
D
6
D
Vssa
11
D
Vssd
1n
D
1k
10k
Only in sets with RDS
f2
7
f1
4
From
Power Supply
6
8
1
3
amp stby
5
gndd D
2
amp pd
+5
+5D
–30
+5
+5D
–30
I/O
P3
+5D
D
2µ
10k
+5D
10k
+5D
D
32
25
26
30
29
28
31
27
P7
I/O
100k
BC847B
220p
47E
D
1N4148 220k
27k
+5D
D
82k
D
22k
+5D
22k
D
+5D
D
100k
Only in sets with P50 function
BC847B
BC847B
100k
+5D
6
tu gnd
tu clk
stereo
tu de
tu rds
tu en
1
3
2
5
4
4
1
2
3
D
22n
470E
470E
470E
470E
6k8
+5D
22k
+5D
V sda
V scl
3
4
P50 6
5
470p
From Tuner
From
Tuner
220p
D
220p
D
220p
D220p
D
470E
470E
10k 10k
+5D +5D
Not in sets with P50 function
Only in FR975
Not in sets with RDS
Only in sets with RDS
Not in sets with RDS
13
amp mute lr 12
amp lr on 9
nc 8
dd reset 14
dd req 15
amp prot 11
10
ss data 3
ss clk 2
ss ce 1
sofac2 sda2 6
sofac1 sda1 5
sofac scl 4
To/From
Volume Control Part
470E
470E
470E
amp mute
+5D
10k
+5
10k
22n D
Only in sets with DVD input
*
PDTA144ET
+5D
47k
47k
10k
BAS216
47k
+5D
47k
47k
D
47k
47k
D
PDTC144ET PDTA144ET
43
1
D
2
1k
D
µ
100 D
+5D
47E
220p
DD
220p
D
220p
1k
D
1n
D
I/O
P1
3
8
6
7
4
1
2
nav 2
nav 1
v cont 1
v cont 2
sofac2 sda2
sofac1 sda1
sofac scl
ss ce
s sel 1
s sel 2
dd req
0E
P50
stereo
tu clk
tu de
tu en
5
amp stby
PDTA144ET
47k
47k
+5D
2
1
2
1
330E
D
10k
+5
hp on 67
P4
I/O
74
amp prot 1k 73
10k
+5D
D
22n
33 Vdd
P5
I/O
75
79
76
80
77
78
10k
+5
10k
+5
ss data
ss clk
amp pd
1k
D
22n
+5
M24C08
+5D
Vcc
Vss
4
8
SDA
SCL
WC_
6
5
7
E0 1
E1 2
E2 3
22n
D
D
+5
10k 10k
+5
+5 330E
22n
D HEF4094BT
22n16
µ22
+5D
INTERRUPT
CONTROLLERCOUNTERS
TIMER/
RAM ROM
8-BIT
CPU
CONVERTER
6-BIT A/D
+5D
1
4
10k
22n22n
DD
+5D
D
220E
220E
MT1
2
10k
10k
+5D
D
22n
D
22n
+5D
D
4
v cont 2
v cont 1
220E
220E
2
MT1
1
10k
+5D
5
D
D
MT2
3
EC16
D
5
MT2 D
3
EC16
s sel 2
s sel 1
2
22n22n
DD
220E
4
10k
D
MT1
220E
1
10k
+5D
D
5
D
MT2
3
EC16
D
FRONT PART FR965 - FR975
stereo
tu clk
tu de
tu en
P50
sofac scl
sofac1 sda1
sofac2 sda2
ss ce
ss clk
ss data
amp prot
dd req
amp stby
amp pd
D
22n
D
22k
cs sub
D
22k
1
2
V sig
V gnd
P50 Board &
Video Selector
To 1560
10K
+5D
µ22
22n
DD
22k
+5D
1k
47
D
µ
D
47µ
D
22n
D
D4
3
2
1
6
5
3
2
1
$
To/From 1601
Volume
Control part
To/From 1515
+
Volume Control Part
Source Slector Part
68E
V
1n
5
Audio Left In
9
1
8
7
2
3
4
6
5
6
4
A
A
Audio Right In
7
9
8
Video In
V
1
3
2
1n
220p
VV V
HP
1n
22
11
4n74n7
HP HP
77
11
66
55
44
33
22
HP
A
A
A
1k
HP
hp l
hp r
hp gnd
av l
av gnd
av r
nav 1
nav 2
1k
hp on
V sig
V gnd
V gnd
V sig
Not in FR975$
7
µ
4
Only MARANTZ set
100k D
0E
–Vkk
DD
µ
47
0E
22n
0E
µ
47
D
22n
D
33k
33k
33k
33k
33k
33k
–Vkk
–Vkk
–Vkk
–Vkk
–Vkk
–Vkk
–Vkk
–Vkk
100p
33k
33k
100p
–Vkk
–Vkk
33k
100p
–Vkk
–Vkk
33k
100p
–Vkk
–Vkk
D
22k
D
1n
8Mc
to
to
to
1k
+5D
100k
D
$
FR965/00
Not for
LEU0179/0015
1k
D
1n
1k
D
1n
FRONT PART FR965 - FR975
NAVIGATORCONTROL
VOLUME
SELECTOR
SOURCE
P50 RESET
HEADPHONE
FRONT AV
RC5
2486
3786
2485
3785
37643753 24762465
3778
3770
2462 3455
3424 3471
14251436
2447 2445
1435
2427
1427
2430
2449
1424
1428
3477
2448
1439 1437
24572412
2456
3391
3423
3392
2458
5403
3416
3393
6421
3394
2461
1422
3461
3466
3469
3462
24232424
1423 1421
3463
3467
3470
3464
3459
3465
2426 2425
3468
24212422
3460
5402
7411
2419
2417
3445
3417 3418 2405
7405
2454
3472
34203419
2413
3421
3426
3408
6400
3404
14411440
7402
3415
2404
3414
243724362435
7403
2400
3400
3409
7422
7419
3486
6424
3487
7421
2444
3407
3406
3495
3493
3494
1410
34013402
3500
3501
24382439
24402441
2407
1402
34053403
3496
3497
3498
3499
2410
14331401
34493451
7408
7407
3476
34303429
3441
3428
34386402
3440
2411
7406
3437
2428
3433
5401
1426
3422
3413 2402
24092408 5400
2403
7404
2442 2443
1400
3410
3411
3446
3427
3447
7412
6410
6401
6412
3448
6417
6413
6416
6415
6418
6407
6408
6409
7413
2420
2414
3442
6403
7409 3431
2434
3439
343634353434
3475
64203458
1420
140614051404
140914081407
6404
64053444
3443
141314121411
64063452
141614151414
6414 3453
14191418
64193457
1417
3485
3478
3479
2431
7418
7416
7417
3484
2433
3482
2432
3480
3481
3432
2415
1403
7415
2416
3491
3395
2429
3473
2460
2455 2459
3474
3781
3780
3779
3769
3768
3767
2463
3751
2464
3752
2478
3766
2477
3765
3502
3483
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
AA
BB
CC
DD
EE
FF
GG
HH
II
JJ
KK
LL
MM
NN
OO
1400 B8
1401 A1
1402 D1
1403 N17
1404 E23
1405 E24
1406 E25
1407 F23
1408 F24
1409 F25
1410 G1
1411 F23
1412 F24
1413 F25
1414 G23
1415 G24
1416 G25
1417 H23
1418 H24
1419 H25
1420 I23
1421 I31
1422 F28
1423 I28
1424 A30
1425 A28
1426 M1
1427 E28
1428 D30
1433 A2
1435 E28
1436 A28
1437 A27
1439 A27
1440 C12
1441 C12
2400 E12
2402 C3
2403 E6
2404 M3
2405 B24
2407 D3
2408 F8
2409 F9
2410 D2
2411 M9
2412 N19
2413 H15
2414 M14
2415 N18
2416 N17
2417 K6
2419 G8
2420 B15
2421 J30
2422 J29
2423 G27
2424 G27
2425 J27
2426 J27
2427 C29
2428 H10
2429 O23
2430 E29
2431 M21
2432 M21
2433 L22
2434 M13
2435 H3
2436 H3
2437 H3
2438 C4
2439 C3
2440 A4
2441 A3
2442 B8
2443 B9
2444 L2
2445 B29
2447 B29
2448 D29
2449 E29
2454 C20
2455 N23
2456 B13
2457 N20
2458 B15
2459 N23
2460 O23
2461 N2
2462 E13
2463 K24
2464 L24
2465 L24
2476 L25
2477 M24
2478 N24
2485 I9
2486 K9
3391 B13
3392 B13
3393 N4
3394 L3
3395 L20
3400 E12
3401 E4
3402 E3
3403 A2
3404 D12
3405 A3
3406 G2
3407 I2
3408 L14
3409 F12
3410 B9
3411 B8
3413 C2
3414 M2
3415 F13
3416 F11
3417 B22
3418 B22
3419 B20
3420 B20
3421 G15
3422 D11
3423 B13
3424 C27
3426 G15
3427 M4
3428 M10
3429 M11
3430 M11
3431 M14
3432 N19
3433 M9
3434 E21
3435 E21
3436 E22
3437 M9
3438 M10
3439 M13
3440 N10
3441 N11
3442 M13
3443 E22
3444 F22
3445 I6
3446 M4
3447 M4
3448 H7
3449 G10
3451 G10
3452 G22
3453 H23
3455 E14
3457 H22
3458 I22
3459 I30
3460 J30
3461 F28
3462 G28
3463 I28
3464 J28
3465 I30
3466 G27
3467 I27
3468 I30
3469 G27
3470 I27
3471 C29
3472 C20
3473 O22
3474 N22
3475 E20
3476 N16
3477 F29
3478 N21
3479 N20
3480 M22
3481 M21
3482 L23
3483 F15
3484 L22
3485 L23
3486 I13
3487 G12
3491 E20
3493 G2
3494 H2
3495 H2
3496 B3
3497 B3
3498 B3
3499 A3
3500 E2
3501 E2
3502 F15
3751 K24
3752 L24
3753 M24
3764 M25
3765 M24
3766 M24
3767 K29
3768 K29
3769 L29
3770 L29
3778 M29
3779 M29
3780 M29
3781 N29
3785 J9
3786 J9
5400 F8
5401 J6
5402 G8
5403 B15
6400 C12
6401 M5
6402 M10
6403 M13
6404 E23
6405 F23
6406 G23
6407 I7
6408 H7
6409 H7
6410 M5
6412 M5
6413 J7
6414 H22
6415 I7
6416 I7
6417 J7
6418 I7
6419 H23
6420 I23
6421 M5
6424 H12
7402 A12
7403 F12
7404 C5
7405 B22
7406 N9
7407 M11
7408 M11
7409 M14
7411 G8
7412 K6
7413 N27
7415 A16
7416 M21
7417 L22
7418 N21
7419 I12
7421 H12
7422 I13
–32V
–32V
+5V+5V
–32V
+5V +5V
–32V
+5V +5V
+5V +5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
–32V
+5V
+5V
+5V
+5V
+5V +5V
+5V
+5V +5V
+5V +5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V +5V
+5V
+5V
+5V+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
–31V –31V
–31V
–31V
–31V
–31V
–31V
–31V
–31V
–31V
–31V
–31V
–31V
–31V
–31V
+5V
- No special features ON
- Source position : Tuner FM
- Voltage measured during normal operation
.....V Stand by
.....V
+5V
LEU0179R/0015

7A-1
PCS 69 713
TUNER 95 BOARD
TABLE OF CONTENTS
Adjustment table ...................................................... 7A-2
Blockdiagram ........................................................... 7A-3
Component layout ................................................... 7A-4
Circuit diagram ........................................................ 7A-5
Partslist ................................................................... 7A-6

7A-2
PCS 69 714
TUNER 95 bis Adjustment Table (FM, MW, LW with Frame antenna)
Waverange Input frequency Input Set tuned to Adjust Output Scope / Voltmeter
VARICAP ALIGNMENT
FM (50) 108 MHz check 7 ... 9V
87.5 - 108 MHz 87.5 MHz check 1.3 ... 2V
MW (9) 1602 kHz 5123 8.3V ±0.2V
531 - 1602 kHz 531 kHz check 1V ±0.4V
LW (3) 279 kHz 5122 8.3V ±0.2V
153 - 279 kHz 153 kHz check 1V ±0.4V
FM – DETECTION
FM
98 Mhz 1mV
continuous wave
short pin 21 (IC7101)
to ground
98 MHz 5107 0mV ±3mV
FM – VCO
98 Mhz 1 mV
FM
continuous wave 98 MHz 3142 152kHz ±1 kHz
DISTORTION
98 Mhz 1 mV mixcoil
FM
90 % L + 98MHz inside Distortion
9 % pilot Tuner minimum
mod = 1kHz 1110
AM – IF
450kHz 5111
∆f = 10kHz symmetrical and
Low as possible max. height
MW
Swept signal MW 5112
450kHz 5114 0mV ±2mV
continuous wave
AM - RF
558kHz 558kHz 5102
MW
Mod = 1kHz MAX
30 % AM
1494 kHz 1494kHz 2106
198kHz *
LW
mod = 1kHz 198kHz 5103 MAX
30 % AM
* Signal send via a frame antenna
adjtable for 3104 217 04121/04341
(..) = tuning grid in kHz repeat
100nF
50E
2
1
A
C
A
A
2
1
B 7
7
4
3
6

PCS 69 715
7A-3 7A-3
IF1
FM
VCC1
VCC1 VDD VCC2
7
VDD
23
STABILIZER
FM-IF1I In37 IF2
FM
FM-IF2
35
V Stab B
34 33
FM-IF2I V Stab A
38
AM-MIX Out
40
AM-IF1 In
41 36
AM-IF2
32
AM-AFC
AM
IF AM DET
DET
FM
AFC
19
AFC-
20
AFC+
44
AGC
AGC
10
AF-Out
18
FM-Demod
AM
MIXER
2 AM-RF
AM
FRONTEND
AM
OSC.
STEREO
DECODER
CONTROL
MPX-In
11
VC0
3142
9
LPF
12
Right 15
16
Left 14
13Mute
Stereo
21
Indc.
XTAL
OSC
25
P0 30
39
FM/AM
31
P1
27
CLOCK
28
DATA
29
WRITE Enable
5 FM Osc.
CHARGE
PUMP
8 I-Tune
24
Mono/
FM GND
34
RF GND
17
IF GND
26
Dig. GND
42
RF GND
1
Ripple AM-Osc.
MW/LW-SELECTION
6
PILOT
Filter
Fieldstrength
22
VCC2
TEA5762
FM FRONTEND
1102
A
B
+B AGC
63
Fo
Osc Out
IF OutAnt1 71
GND4 8
a
F
if
F 10,7 MHz
f
0
= f
in
+ f
if
+FM
MT
MT 5
VT
75kHz
10,7MHz
VC0
IF-AM IF-AM AM-DET
ANTI BIRDY FILTER
2 1
450kHz450kHz
5111 5112 5114
450kHz
3
DATA
ENABLE
RDS
4
CLOCK
5
STEREO
6
GND
2
1
1121
4
GND
3
2
LEFT
RIGHT
1
VCC
1124
10,7MHz
10,7MHz
2106
5102
MW
5103
LW
3
4
+FM
VCC1
VDD
VCC2
RDS
RDS
AM-RF AM-OSC
5123
MW
5122
LW
7
6
C
BLOCKDIAGRAM

+B
6
Fo
Osc Out 8
1
Ant1
4
a
F
if
F 10,7 MHz
o
Fa = F + Fi
+FM
0E
FM
ANT.
ITCL/9851-9813
LEU0150
f
3104 217 04121/04341 bl. 130 - 01
IF1
FM
VCC1
7
VCC1
VDD
23
VDD
STABILIZER
1µ
FM-IF1I In37 IF2
FM
FM-IF2
35
V Stab B
34 33
FM-IF2I
10,7 MHz
V Stab A
38
100n 34
16
2
0E
AM-MIX Out
40
AM-IF1 In
41
34
1
2
6
450 kHz450 kHz
36
AM-IF2
450 kHz
3
1
32
AM-AFC
AM
IF AM DET
DET
FM
AFC
19
AFC-
20
AFC+
470n
44
0E
AGC
AGC
10
AF-Out
18
FM-Demod
µ10
0E
AM
MIXER
2 AM-RF
AM
FRONTEND
AM
OSC.
STEREO
DECODER
CONTROL
231
46
MPX-In
11
56k
VC0
9
100k
2k2
LPF
12
470n
470n
Right 15
16
µ2
Left 14
1
13
µ
Mute
2
Stereo
100n
21
Indc.
XTAL
OSC
25
220n
15n
15n
220n 470E
470E RIGHT
4
GND
3
2
LEFT
1
P0 30
39
FM/AM
31
P1
27
CLOCK
28
DATA
29
WRITE Enable
5 FM Osc.
CHARGE
PUMP
8 I-Tune
10,7 MHz
24
Mono/
1N4148
220p
470E
470E
470E
470E ENABLE
3
DATA
4
CLOCK
5
STEREO
6
GND
MPX-RDS
2
1
220p 22n
FM GND
34
RF GND
17
IF GND
26
Dig. GND
42
RF GND
GND
MT
MT
330E
5
VT
1k
AM-FRAME SOCKET
1
2
4
3
5
6
HN1V02H
5p2-
1
470n
5
0E
30p
7
2
6
3
0E
HN1V02H
BC338-40
22p82p
BC338-40
2k2
2k2
2
1
3
6
4
33p
390p 1
2
3
6
4
3n9
560p
22k
2
3
1
1
2
10k
BC848C
0E 2k2
BC848C
BC858B
4k7
VDDVDD
10k
0E 0E 0E
BC858C
1k
22k
VCC1
1k
1
Ripple
0E
220n
BC858B
68k
220E
+FM
100n
µ1
C11
BZX79/
47E 150E
330E
220n
VCC1
VDD
VCC2
22n
IF Out
7
0E
0E 0E 0E
AM-Osc.
6
82E
PILOT
Filter
Fieldstrength
(VCC2)
0E
VCC2
22
VCC2
VCC
VT
4k7
100n
75 kHz
1n
150k
12p
4E7
µ22
0E
FE415-G23
22k
not in RDS version (04341)
only in RDS version (04121)
4
3
1
2
15p
Toko 7KM
1
3
MT
2
5
4
82p
AGC
3
1N4148
0E
100n
0E
0E
IF - AM
FM FRONTEND
TUNER 95 bis
ANTI BIRDY
FILTER
VC0
MW-OSC
LW-OSC
LW
MW
TEA5762
IF - AM AM - DET
3147
3178
2139
3120
6106
3173
2158
1110
2102
3103
1102
2129
5110
2150 3192
5111 5112 5114 2140
3183
2128
3185
5115
3141
3142
3145
2132
2131
2138
2133
2141
2137
2136
2134
2135 3152
3153
1124
5109
6120
2145
3158
3159
3160
3161
1121
2147 2148
3140
3104
1103
5102
2106
6105a
2107
3131
3123 6105b
7104
21092108
7105
3109
3108
5123
2120
2123
5122
2122
2125
3134
5103
3137
7124
3169 3128
7122
7109
3197
3125
3130
3129
3163
7103
3186
3143
3144
3184 2127
7110
3167
2142
2144
6107
3146
3154
3155
2143
2130
3172
3124
3132
31813107
7101
3188
3150
5121
2161
3162 2160
3164
2162
3151
3177
1126
2151
5107
2152
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
AA
BB
CC
DD
EE
FF
GG
HH
II
JJ
KK
LL
MM
NN
1102 D1
1103 G2
1110 D4
1121 C21
1124 F21
1126 E20
2102 C2
2106 J4
2107 J6
2108 L2
2109 L3
2120 K7
2122 M7
2123 L7
2125 L7
2127 H16
2128 I13
2129 I8
2130 J20
2131 I17
2132 I17
2133 G18
2134 G19
2135 F19
2136 H19
2137 G19
2138 H18
2139 I7
2140 C14
2141 H15
2142 K19
2143 K20
2144 K20
2145 E19
2147 E19
2148 E19
2150 C6
2151 H12
2152 I11
2158 L18
2160 I15
2161 I15
2162 H20
3103 G3
3104 G4
3107 C6
3108 J1
3109 K1
3120 H5
3123 I6
3124 K7
3125 L11
3128 L9
3129 K8
3130 K8
3131 M10
3132 J7
3134 L6
3137 L5
3140 F7
3141 I16
3142 I16
3143 K17
3144 K17
3145 I17
3146 L20
3147 N20
3150 H19
3151 I20
3152 F20
3153 G20
3154 J20
3155 J20
3158 E19
3159 E19
3160 D19
3161 D19
3162 I15
3163 J8
3164 I20
3167 I20
3169 L5
3172 B6
3173 B6
3177 M10
3178 N20
3181 C7
3183 I13
3184 I8
3185 I13
3186 K16
3188 M20
3192 C12
3197 L11
5102 I3
5103 L4
5107 J12
5109 B6
5110 C9
5111 C11
5112 C12
5114 C13
5115 J15
5121 I15
5122 L7
5123 K7
6105a I5
6105b I6
6106 H5
6107 K20
6120 E17
7101 C15
7103 K17
7104 J2
7105 K2
7109 L10
7110 I19
7122 L9
7124 L6
470u
+12V
A
MW
0V
V
LW
+8V
0V 1V 0,8V2V
+8V
2V
+8V
+9,6V
+6V
+7V
+6V
+7V
MW
0V
V
LW
0V MW
V
LW
MW
LW = 0V = 0,7V
6
C
75 kHz
0,7V
0,9V
21
1,4V1,4V
+7V
+6V +9,6V
+7V
+6V
11,8V
11,2V
+12V
+12V
0V FMAM
V
4
3STEREO = LOW
mono
0V
V
stereo
During communication
0
V
0V = No communication
1,3V
1,3V
High = During communication
0
V
FM.....V
.....V AM
FM
AM
.....V FM mode stereo Signal path
AF
0,5V
0,5V
MW
LW = 0V = 0,7V
7
MW
LW = 0V
= 0,7V
B
3104 217 04120 bl. 130 - 01
7A-5 7A-5
PCS 69 717

7B-1
CS52 930
TABLE OF CONTENTS
Blockdiagram ......................................................... 7B-1
Component layout ................................................... 7B-2
Adjustmanttable ...................................................... 7B-2
Circuit diagram ........................................................ 7B-3
Partslist .................................................................... 7B-4
TUNER BOARD ECO5
7B-1 7B-1
1
FM
frontend
AM
Frontend
FM
Osc.
FM
Mixer
AM
Mixer
AM
Osc.
AM IF
IF1 IF2 FM
Det.
AM
Det.
2
3393733
FM
RADIO IC
TEA 5757T
TUNER BOARD
ECO 5
systems
1101
(1102) LF filter
1018 11 15
14
24
left left
buffer ampl.
RDS
(MPX)
RDS
(MPX)
right
right
stereo
VCO
4140 36 193244 25
Stereo
Decoder
1124
Vcc1
Vdd
Vcc2
AFC
AFC + AFC -
4
4
AGC
Pre-
scaler Multi-
plexer
Charge
pump
CONTROL
AM-FRAME AERIAL
Reference
Oscillator
1126
1
4
1
46
1
stereo
27
28
29
clock
data
enable
clock
data
enable
Version
P1
P0
MW/LW
31
30
programmable
output ports
AM-RF,
AM-Osc.
3
5
1121
V
Loop
V
Loop
V
Loop
V
Loop
V
Loop
2
6
5
43
1103
B
C
450kHz450kHz450kHz
20
75kHz
VStabAV
StabBV StabB
VStabA VStabB
10,7 MHz 10,7 MHz
35 9
Vcc
Vdd Vcc1
723
VStabA
VStabB
38
34
22
Vcc2
8
ECO5 sys., 240698
A
AM-RF
AM-Osc.
FM-Osc.
FM-RF
Discriminator
10,7 MHz
BLOCKDIAGRAM

7B-3 7B-3
TUNER BOARD ECO5 / Systems
PCS 102 352
to 1130,1131
AM Stereo module
z
3175
2k7
AM-IF
z
5113
SFU450B
to/from
AM-stereo module
AM-IF
P0
Low=AM mono
P1
T030
T031
T038
T039
z
AM-IF
GND
+FM
R-FM
L-FM
L-out
R-out
VCO-kill
STSIG
stereo
V+
1131z
1130
11
10
9
8
7
6
5
4
3
2
1
T033
T034
T035
T036
z
3177
10k
3147
3M3
7125
BC848C
3179
1M
z
z
z
3178
3M3
z
z_100R
2111 100p
7119
2SC1047
3113
1k
t
3119
t
t
t
330R
3
6
5
4
1
2
1121
MPX
GND
r
3143
22k
Vcc1
7103
BC858C
r
r
3144
1k
r
3176
1k
r
MPX
MPX
to 1121
buffer amplifier
from 3144
r....for RDS version only
Vcc2 Vdd
AGC
AM IF
CONTROL
AGC
AM Det.
CONTROL AGC IF
AM
Charge
Pump
DECODER
STEREO
AFC
DET
AM
DET
IF2
IF1
FM
FM
FM
STABILIZER
OSC
AM
AM
MIXER
AM
Frontend
AGC
Frontend
FM
FM
MIXER
FM Pre-
scaler Multi- plexer
OSC
x
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
x
x
-
x
x
xx
x
x
x
x
-
x
x
x
-
-
x
x
x
VERSION PROGRAMMING COMPONENTS
3170 remark
7111
not mounted
315731566120
/15 FM/MW/SW-Eu
/.. FM/MW/2xSW
/17 FM/AM
/14 FM-OIRT/MW/LW
--xx/14 FM-OIRT/MW
/13 FM/MW-Stereo
/06 FM-Japan/MW-stereo
/01 FM/MW/SW-Ov
/01 FM/MW
/01 FM/MW-Stereo
/00 FM/MW/LW/SW-Eu
/00 FM/MW/LW
x = component mounted
---x/17 FM/AM-Stereo
SW
SW
SW
SW = Software initialisation
t....for Japanese version (/06/26) only
Stereo
Mono/
Ripple
Mixout
Mixout
FM-IF2
Enable
OSC.
Stereo
FILTER
printed
printed
AGC
FM-In
RF-GND
AM-IF1-in
AM
FM
FM-IF1 in AM-IF2
V
STAB
BV
STAB
AFM-IF2
AM-AFC
P1
P0
Write
DATA
CLOCK
Dig.GND
XTAL
Mono/
Vdd Vdd
Vdd
Vcc2
Fieldstrength Indic. AFC+ AFC- FM-Demod.
IF GND
PILOT
right left
MUTE
LPF
MPX-IN
AF-Out
VCO
I-TUNE
Vcc1
AM-OSC.
FM-OSC.
RF-GND
FM-RF
AM-RF
Ripple
y....for USA version (/17/37) only
z....for AM-STEREO (/06/13/26/33) versions only
x....not for all versions
w...for LW only
v...for SW-version 3.9-12.1MHz only
u...for 2-band (FM/AM) version only
AM-AFC
450 kHz
AM-IF2AM-IF1
FM-IF2
FM-IF1
to 3103
FM-RF
Q-MULTIPLIER
MW/LW-RF
MW
MW
VCO
AM-OSCILLATOR
version detection
DISCRIMINATOR
6131 D 7
6130 E 7
6120 G16
6107 H17
6105 E 6
6106 C 6
6105 K12
6104 C 3
6103 C 2
5131 D 8
5130 E 8
5123 L11
5122 M11
5121 F15
5119 I 12
5120 H13
5114 C16
5113 B12
5112 A15
5111 A13
5110 B14
5109 B13
5103 F 4
5102 E 4
4108 L 9
4106 K12
4105 B11
4104 B13
4103 G 9
4102 F 5
4101 G 5
3177 I18
3176 J 9
3175 B16
3179 I16
3180 M7
3178 I15
3171 H15
3170 F17
3169 G15
3167 G18
3161 E18
3160 E18
3159 F18
3158 F18
3157 F17
3156 G17
3155 H17
3154 H18
3153 H19
3152 H18
3147 I15
3146 I17
3145 H10
3143 I10
3144 I10
3142 G 9
3141 G10
3137 M13
3140 I13
3134 M12
3132 L 9
3128 M 8
3125 M 6
3123 M 7
3110 F 6
3120 C 6
3113 C13
3119 B13
3109 F 2
3108 E 3
3105 C 7
3104 B11
3103 C 8
3102 E 7
3101 E 7
2167 F16
2168 I 13
2166 G16
2165 C 9
2164 H14
2163 E16
2161 D16
2160 M12
2159 F 9
2158 M11
2155 D 8
2154 E 7
2153 E 8
2152 F 7
2150 B13
2149 C15
2148 F16
2147 F16
2146 F15
2145 G16
2144 H17
2143 I17
2142 H14
2141 H14
2140 H14
2138 H12
2139 H13
2137 J18
2136 J17
2135 J18
2134 J17
2133 H11
2132 I10
2131 I10
2130 H17
2129 C 9
2128 C11
2127 G10
2126 G 9
2125 M11
2123 M11
2122 N11
2120 L11
2109 G 3
2111 C13
2108 G 3
2107 G 6
2106 F 5
2104 B 6
2103 D 9
2102 G 7
2101 C 6
1130 I20
1131 I20
1126 E20
1124 G20
1121 E20
1103 D 2
1102 B 2
1101 A 1
9128 A 4
9117 L10
9101 C 6
9100 B 4
7124 M13
7125 I16
7122 M 9
7119 B13
7111 F18
7109 M 7
7105 F 2
7104 E 3
7103 I 9
7102 D 8
7101 G11
45167891011121314152 16 17 18 19 20 213
K
J
N
I
H
G
F
E
D
C
B
A
M
L
K
J
N
I
H
G
F
E
D
C
B
A
M
L
45167891011121314152 16 17 18 19 20 213
HN1V02H
Chip jumper
8
7
6
54
3
2
1
6105
z_TEA5759
to/from
COMBI BOARD / Source Selector part to/from
CONTROL BOARD
x
x
x
x
FM 50 OHM
LW
LW
MW
w
w
w
w_27p
2166
1n
2165
100n
x
2163
100n
10p_w
2158
2159
33p
2126 330p
2142 100n
2145 220p
2150 100n
1u
2107
2146 220p 2147 220p 2148
22n
2143 220n
2141 100n
470n
2164
2136
15n_y22n
2134
15n_y22n
2149
22n
2104
100p
2103
1n
2101
100p (if 1102 is used)
2130
22n
2132 470n
2131 470n
2127
220n
w
2109
10p
w
2108 100p
w
2122
3n3
2125 560p
w
2123
390p 22p
2120
x
2154
4p7
2102
10n
u
2160
22n
x
2161
100n
2167
12p
3169
150k
3105
220R
3132
47R
3146
22R 3157
100k
3161
Programmable
Output Ports
470R
3160
470R
3159
470R
3158 470R
3156
100k
470R
3155
150R
3154
3167
220R
3153 470R 3152 470R
3141
56k
3145
2k2
4k7
w
3109
3108
2k2
w
3128
2k2
3125
10k
3134
22k
w
3137
22k
3170 100k
s_5k6
3101
33k
3102 100k
t_18k
47p (if 1101 is used)
3103
18k
3104
180R
3110
47R
3171
330R
4k7
3123
6104
1N4148
6103
1N4148
6120
1N4148
y
9128
9101
9100
u
9117
P0
P0
P0
P0
P1
P1
Vcc1
Vcc1
Vdd
REF
REF
Vdd
AM FRAME AERIAL
7101 TEA5757
10
11
12 13 14 15 16 17 18 19
1
20 21 22
23
24
25
26
27
28
29
2
30
31
32
33
343536373839
3
4041424344
4
5
6
7
8
9
7104
7111
BC848C
w
7105
BC338-40
BC338-40
w
7122
BC848C
w
7124
BC848C
T001
T002
T003
T005
T006
T013
T012
T011
T009
T014
T015
T017
T016
T018
T020
T021
T022
T023
T024
T025
T026
T027
T032
T037
T045
T041 T042
T040
T043
T044
T046
T047
2144
1u
2138
2u2
2128
10u
2129
100u
2133
1u
2135
220n
2137
220n
stereo
clock
data
enable
1126
1
4
3
2
Vcc
right
GND
left
1124
1
4
3
2
4105
u
4102
u
4101
4103
4104
4108
4106
FM
300 OHM
y
1101
1
2
1103
1
2
5112
1
2
34
6
5111
1
2
34
6
x
1102 1
2
1SV228
6131
5131
2155
3-11p
3142
100k
w_4-20p
2106
3-11p
3
6105
56
HN1V02H
26105
17
HN1V02H
w
5103
1
2
34
6
w
5122
1
2
34
6
5123
1
2
34
6
7109
BC858B
7102
2SA838B
5109
5110
6107
BZX79-C11
5114
1
3
5102
1
2
3
4
5
6
5121
75KHz
3180
22k
41..
ECO5 systems, discr.coil, 030998
V
STAB
BV
STABA
ww
450 kHz 450 kHz
s...for East European version (/14/34) only
6106
1N4148
3120
0R
2139
15p
(2140)
2140 exchanged by 2164
(SMD type 0805)
from layout stage 3317.9 onwards
respectively 3103 303 3380.1
and 3103 308 3396.1
2168
82p
5119
1
2
34
6
w
5120
CDA10.7MG61KA
3140
150R
3140 and 5120
provisional as
alternative
FM-OSCILLATOR
15p s_12pt_2p2
s_560p
2152
33n 6130
5130
LW=high
MW=high
LW=high
MW=high
2153
y
3181
1k8
1SV228
3181 E8
0.7V
0.1V
V
1.3V
0.15V 0.7V 1V 0.7V 0.7V1.4V 1.4V 1.4V 1.4V 1.4V
1.4V
0.7V
0.3V
0.2V
5V
0V
150kHz, 50mVpp
stereo stereomono
(11 - 14V)
typ. 12V
11V
8V 8V
8V
1.2V 2V
1.3V
stereo 0.3V
mono 4.9V
stereo 0.5V
mono 4.9V
1.2V1V1V0.7V0.7V0.7V0.8V
1.2V
0.7V
1V
0V
8V
0V
0V
0V
2.1V
............. Vdc FM mode stereo
Vdc MW mode
Vdc LW mode
Voltages measured while set is tuned to a strong transmitter
EVM
V
V
4
3
C
1
2
B
E
6101
remove
Service Solution for
Local/DX - switching
BA484
2105
100p
3106
10k
9114
9119 41554156
P0
A
5
F
Signal path
FM
AF - left/right
AM
MPX (Audio Frequency)

8-1
PCS 102 495
TABLE OF CONTENTS
Troubleshooting ....................................................... 8-2
Block-diagram ........................................................ 8-3
Partslist .................................................................... 8-4
MULTI-CHANNEL DECODING
MODULE

PCS 102 496
8-2
To start service test
program hold
Bass & Treble depressed
while switching
the mains on Virt. Mode
Button pressed?
Connect CD player to Coax 1
Play track 15 of
*Audio SignalsTest Disc 1
MDM
TEST
Yes
No
Does the MDM SW-version
appear in the screen?
Replace MDM
module
At this moment the MDM module
is set to "Service mode"
Use a CD-player with
a coaxial digital out
Can sound be heard on ALL
Channels ?
No
Yes
Connect CD player to Coax 2
Play track 15 of
*Audio SignalsTest Disc 1
Can sound be heard on ALL
Channels ?
No Replace MDM
module
Connect CD player to Optical 1 In
Play track 15 of
*Audio SignalsTest Disc 1
Can sound be heard on ALL
Channels ?
No Replace MDM
module
Use a CD-player with
an optical digital out
Connect CD player to the
Analog CD-input
Play track 15 of
*Audio SignalsTest Disc 1
Can sound be heard on ALL
Channels ? No Replace MDM
module
Does a valid
SPDIF -signal,
containing a sine-wave of 1kHz
appear on the coax out?
No Replace MDM
module
MDM is working properly
Yes
Virt. Mode
Button pressed?
Yes
Yes
Replace MDM
module
Virt. Mode
Button pressed?
Yes
Yes
Yes
Yes
Press Virt. Mode
Button
Yes
Yes
Yes
Press Virt. Mode
Button
Yes
Yes
Yes
No
MULTI-CHANNEL DECODING MODULE -Troubleshooting
Is 6V5 present on pin 6 conn. 1802?
Is +12V present on pin 11 conn. 1802?
Is -12V present on pin 12 conn. 1802?
Check the relevant
components of the
missing voltage on
the monoboard
Yes
No
Connect CD player to Optical 2 In
Play track 15 of
*Audio SignalsTest Disc 1
Can sound be heard on ALL
Channels ?
No Replace MDM
module
Use a CD-player with
an optical digital out
Yes
Yes
Yes
Yes
Press Virt. Mode
Button
*Audio SignalsTest Disc 1 = SBC429
4822 397 30184
SPDIF - Sony Philips Digital Inter Face

AK4324
2-ch DAC
DSP56362
AK4527
2-ch ADC
6-ch DAC
NJM2058
Quad
OP-AMP
NJM2058
Quad
OP-AMP
NJM2058
Quad
OP-AMP
L (diff)
R (diff)
Analog In (R)
Analog In (L)
Surround Left
Surround Right
Front Left
Front Right
Center
Subwoofer
DAO3 DAO2 DAO1 DAO0
WS
BCK
DAI0
AK4112
(AK4110)
Dig. Audio Receiver
DAI1
MEMORY
(3x CY7C1399-12
+
M27W101)
Control
Address-bus (0..15)
Databus (0..23)
Dig In 1 (coax)
Dig In 2 (coax)
Dig In 3 (opto)
Dig In 4 (opto)
HC125
Dig. Switch
Dig Out 1 (coax)
P83C654
Microcontroller
+3V3
+3V3
+3V3
+5V
+5V
+3V3
(digital)
+5V
(analog)
+5V
I2C
Reset
+12V
+12V
+12V
-12V
-12V
-12V
12.288
MHz
16MHz
BCK
WS
MCLK0
MCLK1
CTRL
SPI
SPI
Dig Output
Selector-line
Dig Out (AKM)
Dig Out (DSP)
Dig Out Selector Line
MULTI CHANNEL DECODING MODULE 2000
XSYS
SPI
CTRL
SPI
SPI
WS
BCK
WS
BCK
SW
C
R
L
Rs
Ls
Ld
Rd
SPI
XSYS
MCLK0
(2.667MHz)
U-bits
256*fs
MCLK0
MCLK1
256*fs / 128*fs
Request
LF50CV
LF33CV
+5V
+3V3
I2C
Downmix Left
Downmix Right l dmix
r dmix
sl out
sr out
10
12
8
7
1
3
5
9
1803
l out
r out
c out
subw out
+6 6
3
4
1
2
7
9
r in
l in 1802
1802
dd req
dd reset
scl
sda 1
gnd
s
5-8-10
gnd
s
2-4-6-11
MDM200
8-3
PCS 102 497
BLOCK-DIAGRAM

8-4
ELECTRICAL PARTSLIST - MDM MODULE
Note: Only the parts mentioned in this list are normal service parts.
PCS 102 498
1003 3104 217 06390 MDM 2000 MODULE
1701 4822 252 51172 FUSE 0,315A
1702 4822 252 51172 FUSE 0,315A
1704 2422 543 01118 CRYSTAL 16MHZ
1705 2422 543 01132 CRYSTAL 12MH28
1800 4822 267 31729 COAX OUT CONN.
1801 4822 267 31448 COAX IN CONNECTOR
1802 2422 025 10253 CON 12P. MALE
1803 2422 025 10253 CON 12P. MALE
2702 4822 123 14025 16V 2200U 20%
6800 4822 218 11487 CONN. FIBER-GLASS GP1F32R
6801 4822 218 11487 CONN. FIBER-GLASS GP1F32R
7701 9322 146 09687 LF50CV
7702 4822 209 16978 LF33CV
XTAL
XTAL
LF50CV
LF33CV
DSP56362
1
36
37 72
73
108
109 144
SRAM
SRAM SRAM
EPROM
AK
4527
1
11
12 22
23 33
34 44
AK
4324
1
12
13 24
AK
4110
114
15 28
MUP
111
12 22
23 33
34 44
17
814
17
814
17
814
LVC244
110
11 20
HCT125
17
814
6801
6800
1800
1801
7703
7711
7710
7716
7715
7717
1802
1803
Copper side view
OP-
AMP
OP-
AMP
OP-
AMP
112 1
12
2702
18031802
7713
7712
7701
7702 7705
1704
1705
5701
7707
7708
7709
7706
7714
out
ingnd
112
112
out in
gnd
111
14 14 14
1
16
28 15 28 15 28 15
17 32
Coax
out
6801
6800
1800
1801
Optical 2
in
Coax 2
in
Coax 1
in
Component side view
Optical 1
in
Optical 2
in
Optical 1
in
Coax
out
Coax 2
in
Coax 1
in
1701
1702

9-1
PCS 102 300
TABLE OF CONTENTS
Circuit diagram ........................................................ 9-2
Component layout ................................................... 9-3
Partslist .................................................................... 9-5
MAINS BOARD

MAINS BOARD - CIRCUIT DIAGRAM
9-2 9-2
PCS 105 722
1053 1
2
1054b
2
1
/17 only
not for /17
mdi 22-03-00
3104 217 06610/06630/06650/06660/06670/06680/06690
only for /17
only for /01
not for /01
only for /17
not for /01
only for /01
not for /01
only for /01
only for /01
only for /01
not for /01
not for /01
12R
+V
GND
MAINS BOARD
MFD D
E
F
0051 D9
1051 B1
1052 D1
1053 C1
1054 D1
1055 B5
1056 A2
1061 A1
1062 A3
1063 B6
1064 C6
1065 B6
1066 C6
1067 B2
1068 D4
1069 D6
2051 E7
2052 E7
2053 F7
2054 F7
2055 B2
3051 F4
3052 C6
3053 C6
3054 E8
T5A in /01
T2,5A in /00
123456789
123456789
A
B
C
D
E
F
A
B
C
T200mA
3055 E8
3056 F6
3057 C9
3058 B8
3059 E6
5051 A2
5052 D5
6051 D6
6052 E7
6053 E6
6055 E7
6056 E7
6057 B9
6058 B9
6059 E9
6060 F9
6061 F8
6062 D6
6063 B9
6064 C9
6065 F6
7051 E8
7052 F8
7053 B9
9051 A2
9052 A2
9053 A2
9054 B2
9055 A4
9056 A6
9057 B5
FOR /01 ONLY
NEUTRAL
LIVE
REL
FOR STAND BY CIRCUIT
ELECTRONIC VOLTAGE SELECTOR
9059 B4
9060 D4
9061 D8
9063 C6
9064 A5
9065 B1
9066 B1
9092 E2
9093 E2
9094 F2
9095 F2
9096 D6
1055
SDKGA
2
5
1
4
3
6
9096
6055
1N4003GP (4x)
9059
9056
6051
1N4148
9054 BC337-25
7053
1069
T315mA
3057
1065
3052
1K
1K
3053
6053
9060
6056
S
6064
1N4148
1067
1N4003GP
6059
S
6052
see table
1066
S
1068
S
3058
2K2
9061
10
2
3
4
56
7
8
9
2K2
3055
1
2
5052
Stand by
Transformer
1
1063
1
3
5
7
1064 S
1N4148
6062
1N4003GP
6065
S
BC547B
7052
SDT-R
1062
34
12
1N4148
6063
25
100u 2054
47n
2051
BZX79-C8V2
6061
9063
1
2
S
1051
9055
Stand by Relais
3051
10M
6060
1N4003GP
7051
BC327-25
3054
4K7
10K
3056
3
4
6058
1N41481N4148
6057
1057
T0 1254
monoboard supply part
1
2
100u 2053
S
10611
2
not for /17
TO MAINS TRANSFORMER
PRIMARY SIDE
4n7
2055
/00 = /22 /01 = /21 /17= /37
1056
12
9053
9052
1054a
2
1
/17 only
9057
47n
2052
6067 6066
3059
3061
10k 10k 1N4148
1N4148
see table
FR760
FR975
100W
FR740
FR965
60W
Power Version
IEC
9063
UL=/17
4A
-
5A
-
X
4A
VALUE TABLE
for
FUSE 1066
and
9063
FR760
FR975
100W
FR740
FR965
60W
Power Version
IEC
9057 4A
-
-
X
VALUE TABLE
for
FUSE 1065
and
9057
Only for /01
see table
see table
6066 D6
6067 E7
3061 E6
1057 D9
5
6
1
2
5001
1
2
3
4
8076
1
3
5
7
8077
9073
9072
9075
9074
9071
9076
12
2
3
4
5
6
7
8
9
1
10
11
*9062
*9098
9058
9099
T1,6A
1078
T2A
1079
1072
1
2
3
4
*9077
1
2
3
4
5
*9078
*1074
1
2
3
4
5
1073
1071
1
2
3
MAINSTRAFO PART
To 1251
monoboard
supply
To 1252
monoboard
supply
To 1255
monoboard
supply
To 1253
monoboard
supply
To 1063
mains board
To 1064
mains board
Primary part Trafo
Secondary part Trafo
/00 = /22 /01= /21 /17= /37
1074
9077
9078
9062
9098
FR760
FR975
x
-
-
x
x
FR740
FR965
-
x
x
-
-
*
9097
3079
1R
only for /01
not for /01
mdi 22-03-00
only /01
only /01
3V25,3V
25V
25V
8,3V
11,4V
12,7V
12V
6,5V
7,2V
5,5V
5,5V
12V
12,6V 12,0V
10V
10V
120V230V
Vdc measured during AMPLIFIER ON...............
VEVM VVdc measured during AMPLIFIER OFF (mute)
Voltages measured at nominal mains voltage and low output signal MAINS VOLTAGE
12,7V

10-1
PCS 105 724
TABLE OF CONTENTS
Measurement hint ................................................ 10-2
P50/Speaker/Video Selector layout ........................ 10-3
Circuit diagram Source selector ............................. 10-4
Circuit diagram Volume controle ............................. 10-5
Circuit diagram Supply ............................................ 10-6
Circuit diagram Amplifier ......................................... 10-7
Component layout ................................................... 10-8
Mappings Components & Chips side........................ 10-9
Component layout copper side view ...................... 10-10
MONO2 BOARD