Philips AZ1009 Service Manual page 25

7-2
1 2 3 4 5 6
1820
FRONT BOARD COMBI BOARD /
A
A REPEAT SHUFFLE
1
ALL 2
F B
G 1813 1812
KEY IN 1 1 4,4V
E C
D PROGRAM
GND 2 2
KEY IN
9 8 7 6 5 4 3 2 1
PW
COM1 3 3
B
COM2 4 4
COM3 5 5
6 6
LCD4
LCD5 7 7
C
LCD6 8 8
LCD7 9 9
LCD8 10 10
LCD9 11 11
D
DISPLAY CONNECTION
1800
TABLE
3872
STOP
E 39k
COM1 COM2 COM3
pin
1801
3873
1 COM1
PLAY
22k
from REC/AMP - part
1626/16
2 COM2
CD_SYNCHRO
3 COM3
1802
F
4 1E 1F REPEAT
PB-MODE
5 1D 1G ALL
6 1C 1B 1A 1803
7 2E 2F PROGRAM
PREVIOUS
P
8 2D 2G SHUFFLE
G
9 2C 2B 2A
1804
PW
NEXT
H
9,4V 9,4V
+A(CD)
+A(CD)
from REC/AMP - part T870
STABILIZING CIRCUIT +B(CD)
I
3863
330R
7850
3860
BC327/40 4,7V
9V 4,7V
+B(CD)
8R2
T871
8,4V 7852
J 3861 BC327/40
9V 4,7V
3801 4,7V
8R2
4R7 +LASER
T860
7851
BC558B
9,4V 8,4V
PW
3802
4,4V
100R +M
P
K 8,4V T855
P
7853
2,3V BC548C
1,8V PW PW
2861
P 1n
+LASER
L PW
PW
CD94V5 1811
15 4,4V T803
+
DISC DRIVE
14
B
M
DIODE
E 13
ARRAY E PW
12
F F
C C C
D 11 B+D
E E E B B B D D D +
F F F
10
C A+C
A A A
N +LASER
9
A
8
PW
7
MONITOR
6
MONITOR MONITOR MONITOR
O MONITOR
PW
5
LASER
LASER
4
LASER LASER LASER TRACK-
GND
3
FOCUS+
2
TRACK+
P
1
FOCUS-
1 2 3 4 5 6
7 8 9 10 11 12 13
CD-PART
+B(CD)
+M
44 43 42 41 40 39 38 37 36 35 34
VDD
2,7V 1 HOLD 33
SEG5
KE0
PW
LCD - DRIVER 4,3V
2 SEG6 RESET 32
3 SEG7 XOUT 31
4 SEG8 30 1,6V
4-BIT CPU XIN
5 SEG9 P51 29
RAM
ROM
6 SEG10 P50 28 PW
+M
PW
7800
3882
0V DOOR
7 SEG11 R92 27
TMP47C422F 10k
SCK
3899 MICROPROCESSOR
4,4V
8 R60 R91 26
1k
SEG12 SO
MLA 9 R61 R90 25 4,4V
SEG13 SI
DATA 10 R62 R83 24
I/O PORT
SEG14 I/O PORT T1
ADC INPUT SLOW CLOCK
CLOCK 11 R63 R82 23 4,4V
SEG15 INT1
+M
ZIN
+B(CD) +B(CD)
12 13 14 15 16 17 18 19 20 21 22
4,4V 0V P
WST PW
to RESET CIRCUIT
Vcc Vcc
7803
T891 GND MLA
21 22
REF M62475FP
BIAS RESET DIS
PW
Vcc
2823
2,2V 20 BIAS JP1 23
PW 2
SG
4u7
2822
3,5V 19 DET.FILTER MCK 24
MIRROR
REF
22n 2,2V
SLIDE
3829 18 OUT TC/SHOCK MSD 25
33k
3828 FOCUS/ALPC on,off
2821 SS- D
2,2V 17 OUT 26
REF REF 12k
10u 3827
ADJUST LOGIC
2820 1k5 C 2832
16 SS+ LPF 27
2,2V
REF Signal Generator
2,1V
3856 2u2
47n
TRACK 8k2 TS
2,2V 15 OUT 28 0,7V
I REF
TRACK FOC
3826
6k8
2,2V 14 TS- 29 4,4V
Vcc
TG2 2,3V
3824 FS OUT
2819 13 30
150R
REF
100n polco
2,2V 12 TS+ FS- 31
2,2V
3823
2817 2818 2,2V 2,2V
TC/SHOCK - FEGain
REF 100k 11 32
3n3 1u
+
TE
3822 OUT
2,2V 10 FE- 33
27k
3821
2816 Generator
2,2V 9 TG1 SGF 34
1k5 Foc Adj.
0.47u 3880
on/off
REF
1k2 2,2V C
2843 8 TEGain FOCUS SEARCH FSR 35 2,2V
5n6
3820
2814 180k
7 TE- ALPC+ 36 0,2V
2,2V
39p
3819
2,4V 6 SGT Generator ALPC- 37 0,2V
1M5
track adj.
on/off
T804
2,6V 5 F ALPC 38 2,9V
OUT
I/O
INTERFACE
+
T806 HF detected
E MRC 2826
2,6V 4 39
-
MIRROR
1,8V
0.47u
+
3 C HF 40 2,3V
-
+
T801
PW 2,2V 2 B HFI 41 2,2V
-
+
T802 2824
2,2V 1 A - (A+B+C) ABC 42
-
selfadjusting
0.47u
T805 SERVO PROCESSOR 2,1V
MONITOR
to 7803/pin36
T807
7 8 9 10 11 12 13
7-2
14 15 16 17 18 19
RESET CIRCUIT
DECODER PART
+M
WATCHDOG +B(CD) +B(CD)
1 Anal.Vss
3890 WST
10k
P PW
2 ADJ.CLK
+M
4,3V 3 LOCK
3893 3894
1V
7855
33k 470R
BC548C 4 CKSEL
1,2V
PW
switch off 2872 CD_RESET
4,4V 5 RESET
reset
100p P
3834
4_23MHz 2,1V 6 C423
220R
PW PW
C846
3825 7
470R
P 1,4V 8 XI
switch on reset
PW PW
(internal pullup resistor)
9 DVSS
PW PW
3849 2837 5803 PW
4,23MHz
1,4V 10 XO
220R 8.46MHZ
2,5Vpp
1n
TEST
11
+B(CD) 1809 1808
T831 PW PW
2 2 12 SBCO
1807
DOOR SWITCH
1 1
13 SCCK
14 SYCLK
PW
PW
EFFK
DATA_OUT T810 15
16
KILLB
MLA/DISCHARGE T811
17 EST1
T812
JP1/ADJ
error_flag 18 EST2
T808
3808
2804 19 HF
CD_RESET 1,5V
2k7
3807
1n5
33K
2813
1,5V 20 TLC
2n2
2806
1,6V 21 LPF
470P
3806
2805
2k2
T814 3887
CLOCK 150n
220R
T815 3888
PW PW
DATA
470R
T816 3889
MLA
470R
TRACK
SLIDE
While adj. procedure
4V
MLA/DISCHARGE
1300Hz Focusgain
1700Hz Trackgain
JP1/ADJ
TB=0.2ms
3874
CLOCK
220R
DATA
DATA_OUT
Communication
4V
REF P P
3844 PW PW PW T890 3800
56k 10R +B(CD)
TB 10ms/Div
PW FOCUS
2831
22n polco
3840
2829
1k
REF
33n polco
3884
39k REF
2,2V
1,8V
+LASER
2828
REF
10u
LASER CONTROL
MONITOR
from 1811
3833 +LASER
27k
P
2875
3,4V
1n
PW T892
2,9V 7854
REF
BC558C eye-pattern
1,8V
ATTENTION:
Take care of ESD
HF
3830 3832 2825
TB=0,5 us/DIV
15k 390R REF
15p
14 15 16 17 18 19
20 21 22 23 24 25 26
SIGNAL PROCESSOR
3817 Continuous Calibration DAC
100k
MODULATOR
7801
Anal.V 42 3V
DD
M65824FP
64/128fs RIGHT
FREQUENCY
3/4 DETECTOR DIG.FILTER
CHANNEL
IREF 41 2850
1V
DIVIDER
REGISTER
100n
RNEG/ 40
SEL
PW
LRCK
1 bit D/A
DIGITAL FILTER
LPF
ROUT/ 39 T881 DSCK 1 BCK
L/R ch
CONTROL LEFT
DSCK
DE-EMPHASIS T880 LRCK WS
2
AND CHANNEL
LNEG 38
FILTER
T882 DATA 3 DATA TIMING REGISTER
INTERPOLATION 37 4
LOUT/
GND 7802
MUTE CONTROL
DO
TDA1311AT/N2
FREQ PHASE
X`tal TIMING AMPREF 36
GENERATOR CONTR CONTR
CLV SERVO CGREF 35
CLOCK
CONTROL
GENERATOR indication for
external DAC
EXP2 34
18K SRAM
PW
3869
EXP1 33 4,6V INNERSWITCH
MEMORY CONTROL 470R
TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE
CIRC DECODER
MLAB 32 MLA
CLOCK
4V
ERROR MONITOR
MSD 31 DATA
WORD SELECT
4V
left channel
MCK 30 CLOCK DATA
4V
P
SYNC DET EFM
DVSS2 29
2800
PROTECT DEMOD
EFM TIMING GEN.
DVDD2 4,6V 1n
28
PWM PW PW PW PW 2880
DIGITAL SILENCE 2,7V
PWM 27
MODULATOR
DETECTOR
1n
DISC
SCAND 26
CRCF 25
SUBCODE DEMOD.
DVDD
SUBCODE Q CRC 4,6V
SBQS 24
HF COMPARATOR SUBCODE Q REG.
3804
VCO
DSPS 23 3V
150R +B(CD)
FREQ PHASE
T851
DET DET
3803
Dig.V DD 22 4,6V
+B(CD)
2R2
T850
PW PW PW
3811
4M7
SERVO PART
+A(CD)
DISC MOTOR 3867
2.9V slide in 3868
4V PWM
1R 3R3 T865
2.1V not moving
1.3V slide out
use Service testprog step 1 TB 20us/Div
PW
MOTOR DRIVER
3855 TDA7073A
SLIDE 2,2V
33k
1
-
2 SLIDE MOTOR
+
2,2V
3
from 7803/20
REF 4
PW
bead on wire 9,6V
5
VDD
5801
REF_B REF_B
2,2V 6
+
7 DISC MOTOR
-
2,2V 8
PW
+A(CD)
REF_B
3866
Focus search
Service step 2 voltages measured in STOP mode
8R2
T866
- + 0.2V
2.1V
0.3s
SERVO DRIVER
PW
FOCUS 3851 TDA7073A
2,2V
15k
1
-
2,2V 2 FOCUS
+
Adj. of TRACK BALANCE 3
in Servicestep 3
4
2.1V 100mV
120Hz PW
9,6V 5
TB=5ms VDD
REF_B
normal play mode
2,2V 6
+
2.1V 200mV
7 TRACK
-
TB=5ms
3853
TRACK
15k
2,2V 8
REF_B
20 21 22 23 24 25 26
7-2
27 28 29 30 31
1800 E 4 3894 B14
1801 E 4 3895 C28
1802 F 4 3896 B28
3897 L25
1803 G 4
A
1804 G 4 3898 M25
1807 E15 3899 F 7
1808 E14 5801 L22
1809 E14 5803 D19
1810 K28 6800 H25
1811 M 5 6802 B15
3896
right out 2896 1812 A 5 6803 C13
8 3V
CD_R 1813 A 5 6804 C13
3k9
1u T842 1820 B 2 6805 B15
2800 E26 6850 K 3
B
2801 D14 7800 E10
7 2802 K25
Iref to Source switch 7801 A20
V
2803 K 4 7802 C27
REF amplifier/recorder part
2804 G17 7803 I10
2805 H18 7805 K27
2806 H19 7806 N27
3895
left out 6 3V 2895 2807 H18 7850 I 3
3k9 CD_L
2808 H25 7851 J 2
1u T840 2813 G18
7852 J 3
2814 N 9 7853 K 3
5 C 2815 M 6 7854 O16
4,3V
VDD 2816 M 8 7855 B15
3805
2817 M 8
2818 M 9
100R
2819 L 9
2820 K 8
2821 K 8
2822 J 9
DVDD 2823 J 9
2824 P13
2825 P14
D
2826 O13
2827 N15
2828 N14
2829 M14
2830 M13
2831 L14
2832 K13
4.23MHz 2833 L15
2834 L25
2835 E13
176.4kHz
right channel 2836 D28
E
2837 D14
TB 0.5µs/Div
2838 C18
2839 C18
2840 H24
2841 O 8
2843 N 8
2844 K14
2846 N25
2848 P25
2849 K14
F 2850 B23
2851 C28
2852 B28
2853 K 3
2854 E24
PW
2855 E25
2856 E24
2857 K15
2858 G 6
2859 F23
2860 J 4
G 2861 L 2
2871 H 7
2872 C15
2873 B14
2874 K 5
2875 N16
2876 D14
2880 F26
2891 L23
2892 J25
2893 N23
H
2895 C28
2896 B28
3800 K16
3801 J 4
3802 K 4
3803 H24
3804 G26
3805 C28
3806 H19
3807 G19
I 3808 G17
3809 B13
3810 C13
3811 I21
3812 B18
3814 E 7
3817 A23
3819 N 9
3820 N 9
3821 M 8
3822 M 9
J 3823 M 9
3824 L 8
3825 C15
3826 L 9
3827 K 9
3828 K 9
3829 K 9
3830 P13
CD94V5
3831 O14
7805
3832 P14
DISC DRIVE
3833 N14
K
3834 C19
16 4,7V 3835 N16
+ 1810
T817 3836 N14
6
15 3837 M13
SLIDE 3838 M13
M
T818
14 5 3839 M13
3840 M14
13 3841 L13
- 4,7V T819
4 3842 L14
3843 L 3
INNERSWITCH
3844 K13
T820 L
3
3845 L23
12
4,7V
- 3846 L24
PW
T821 2 3847 H13
11
3848 H13
3849 D13
10 T822 1 DISC M
3850 M24
PW 3851 N24
9 3852 O24
+
4,7V 3853 P24
3854 P24
M
3855 K23
3856 K 9
3857 L 6
Focus search
3858 O15
Service step 2 3859 O15
3860 J 2
3861 J 2
+
- 2V 3862 J 2
3863 I 3
3864 K 2
7806 0.3s
3865 L 2
1811 N
3866 N23
3867 J24
T823
16 4,7V FOCUS+ 3 3868 J24
+
3869 D24
15 3870 G 7
3871 H 7
Focus
14 3872 E 3
3873 F 3
13 4,7V T824 3874 J15
FOCUS- 1
- 3875 G 3
O 3876 G 3
3877 B13
3878 C15
12 4,7V T825 TRACK+ 2
- 3879 K 2
3880 M 9
11
3881 E13
P provisional 3882 E13
Track
10
3884 M14
3886 N 6
PW
T826
9 TRACK- 4 3887 H15
+
4,7V 3888 H15
3889 I15
...V DC voltages measured P
3890 B14
in CD play mode
V EVM 3891 O25
(mains supply 230V)
3892 P25
3893 B14
EVA Combi , 021097
CS 49 125
27 28 29 30 31