Philips FR-975, Service Manual

Page: 29 / 75

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
D i s p l a y
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
www.freeservicemanuals.info 07/08/2012 World of Free Manuals