Block Diagram - Philips AZ1009 Service Manual

BLOCK DIAGRAM

TUNER BOARD
V A V B
Stab Stab
FM-IF 1 FM-IF 2
FM-RF
TELESCOPIC
ANTENNA
10,7 MHz 10,7 MHz
21 13 11 9 7
A
16 FM FM
IF1
frontend Mixer
FM-Osc.
FM
23
Osc.
AM/FM
Indicat.
AM-Osc.
24 AM
AFC
Osc.
FERRITE
ANTENNA
AM-RF
18 AM AM IF AM
AM
Frontend Mixer Det.
B
C
AGC
AFC
STABILIZER
12
V A
Stab
8
V B
Stab
25 6 14 15 10 20
AM-IF 1 AM-IF 2
Vcc
468kHz 468kHz
V A V B
Stab Stab
DISC
DISC
MOTOR
FLEX WIRE
Inner
switch
pick up
unit
CD-drive
CD94V5T1
!
1006
MAINS-SOCKET
CS 49 120
4-1
AM/FM
switch
7102
Discr.
VCO
LF filter
5 28 29 27
1101
2 2
left
left 5
3
FM Stereo right
IF2
Decoder
Det.
1
stereo right
30
+A (Tuner)
Vcc
+A (FM)
26 1
tuning indicator
3
152kHz, 50mV
5V pp
0V
stereo mono stereo
7101
RADIO IC
TEA 5711T
TRACK
SERVO
FLEX WIRE
FOCUS
SERVO
SLIDE
SERVO
Focus search
Laser Service step 2
diode
Monitor
diode
0.3s
PHOTO DIODE
ARRAY
C C C
E B B B D D D F F F
A A A
TAPE TRANSPORT
right
PLAY
left
permanent
magnet
N
erase head
MOTOR
on /off
- +
!
(for /01/11 only) 5001
1007
!
1 VOLTAGE
SELECTOR
2
Th. 115˚C
5
4
3
+
BATTERY COMPARTMENT
(R20)
6 x 1.5V
COMBI BOARD
1201
5
Tuner L
Tuner R
to/from
+A (Tuner)
source switch
+A
(FM)
1
CD - PART
1810
1 Disc -
Disc +
MOTOR DRIVER
PWM
DISC
Inner Switch
7803
Slide +
18 SERVO PROCESSOR
SLIDE
SLIDE
M62475
Slide -
6
16
SERVO DRIVER
30
FOCUS FOCUS
1811
15
TRACK TRACK
15
+Laser
E
4
+
E - F
F
5
-
B+D
1
A+B+C+D
A+C
2
Monitor 36
ALPC
+Laser
7854
Laser
Track -
28
Vcc
Focus +
21
Track +
+
2V
-
Focus -
+B
1 (CD)
REC/PB - AMPLIFIER
Bias Oscillator
Rec
1626
+B (TAPE)
Pb
7625
ALC
Rec/Pb
Amplifier
AN7318S
+B (TAPE)
1601
Rec Pb
Rec 1626
1
1626 1626
Pb
Pb Rec
Rec Pb
4
Rec Feedback
Rec
S
1204
3
+A
+A
(TAPE)
1
+A
4x 1N4002
1202
6250 6253
1
!
2
6251 6252
1203
+Battery
2
1
4-1
1820
FRONT BOARD
REPEAT SHUFFLE
ALL
PROGRAM
1
1
12 1, 35-40
39
+M V DD
16 V SS
7800
MICRO PROCESSOR
TMP47C422F
CD Synchro
8
23
Inner Switch
5
DISC MOTOR
4V
Inner Switch
PWM 33
ext. DAC
32
only
TB 2us/Div
27 PWM
40
HF HF 19
HF
eye-pattern
Vcc 42
REF
23
TB=0,5 us/DIV
-
20
+B
(CD) 22
+ +A
(CD)
28
+Laser
29
+M
Rec
SOURCE
SWITCH
1250
CD
Rec
CD
Tape
Pb
FM
Tuner
AM
1350
DBB
+A
+A (on) +B (Tape) +A (CD)
CD
Tape
FM
AM
CD
Tape
FM
AM
1813
11
1812
11
+B (CD)
RESET
reset +
32
-
watchdog
13
+M
1809 1808
door 1807
2 2
27
door
switch
30 4.23MHz 1 1
X in
7801
6
DECODER
reset
M65824 5803
Clock 8
Generator
10
8.46MHz ext. DAC (opt.)
TDA1311A/N2
40 L/R CLK
l/r clk 2 8
D/A
37
left data
3
DAC
6
right DSCK 1 D/A
39
audio
processor
18
flags
error
motor
control
control
PLL digital EFM
frontend PLL demod.
V DD analog
V DD logic
V DD 1
V DD 2
1 29
POWER STAGE
+A
(on) +A
soft
on/off 7300
TA8227P
VOLUME
on/off
3300 HEADPHONE
p
1302
1301 -
Left
- 4
+
4Ω
LEFT +
-
RIGHT +
to 1201
-
1
Right
+A (FM) +A (Tuner) + 4Ω
EVA Blockdiagr., 260897