Part1 (Signal Processing) - Philips AZ9218 Service Manual

1350 H17 2305 I7 2313 I9 2356 H14 2363 I16 2370 J11 2806 E5
1800 B1 2306 H9 2350 H11 2357 H15 2364 I17 2800 E4 2807 E5
1950 G1 2307 I8 2351 H11 2358 G11 2365 I13 2801 E4 2808 D2
1951 J1 2308 I9 2352 I11 2359 H11 2366 I14 2802 E4 2809 B4
2300 G8 2309 J7 2353 I11 2360 I15 2367 J14 2803 E4 2810 C4
2301 H7 2310 J16 2354 I11 2361 I15 2368 J14 2804 E5 2811 C5
2304 H9 2312 H9 2355 J12 2362 H16 2369 G12 2805 E5 2812 C5
1 2 3
PART1 – SIGNAL PROCESSING
A
to/from
VAM2103/08
10
1800
TRACK-
1
B
FOCUS+
2
9
FOCUS-
3
TRACK+
4
5
LS H
6
RFE
7
VDDL
8
C
LDON
9
D1
10
D2
11
D3
12
D5
13
D4
14
5806
VDD
15 +3V
100M
D
LO
16
17
+2.7V
LD
18
H
H
E
BAT54S
BAT54S
7,7V 6352 5,5V 6351
100n 100n
8,9V 4,7V
+A
F 6,8V
2970 2968
7950 MPC17A50VM
8,9V 36
470p
0,1V 35
2960
470p
0V 34
to VAM2103/08
2959
1950
33
SL+ 0V
1
G
M
PH-B 11
32
2 SL- 0V
4,7V 31
+A
0V 30
0V 29
FOCUS+
H
0V 28
FOCUS-
TRACK+ 0V 27
TRACK-
26
0V
25
0,1V
to/from
4,7V 24
VAM2103/08 +A
I
1951
4 DM- 0V 23
M
3
12
DM+ 0,5V 22
PH-B
2
2961
1 0,1V 21
470p
2962 20
0,4V
470p
19
J 2,7V
C....only for Doris1b (non ESP)
E....only for Doris2 (ESP)
F....only for 12 sec ESP
G....only for 45sec ESP
R....only for Cord R/C
S....only for non Cord R/C DC voltages measured in
X....component only forseen (not in use) PLAY-mode, DBB off For Service Testpoints see
V EVM
Set supplied via mains adaptor Blockdiagram on previous page.
%....tolerance 1%
1 2 3
4-1
2813 B5 2820 A10 2827 F7 2872 B16 2954 H2 2961 I2 2969 E3
2814 B5 2821 A10 2850 E13 2890 A5 2955 H1 2962 J2 2970 F2
2815 B5 2822 D11 2852 F16 2891 A5 2956 A11 2963 J5 2971 E2
2816 B6 2823 F6 2853 D17 2950 I4 2957 A11 2964 J5 2972 I4
2817 A8 2824 F7 2854 C16 2951 G4 2958 H6 2965 A11 3300 G11
2818 A9 2825 F7 2870 B14 2952 H4 2959 G2 2967 G16 3301 I7
2819 A10 2826 F7 2871 B16 2953 I1 2960 G2 2968 F3 3302 H8
4 5 6 7
7890
2,7V BC857BW
3893
2,7V HF-Gain(L=CD-RW mode)
2890
22K
2,2V
3894 E
100p 2,7V HF-Equalization mode (L=double speed)
2891 E 22K from 1951
7891 E
INNERSWITCH
0V
560p
BC857BW
LDON (H=LASER ON)
22n 7801
3,2V 2,7V 2,7V 2,7V
7800
SAA7324 64 63 62 61 60 59
2,1V
BC857BW 2815
2809 LDON
3808 3837
1,5V H 1,3V
1 HFREF
1K 1K
1n VERSATILE
0,9V
1,3V
INTERFACE
3810 3836 2813 1 MOTOR
2 HFIN
CONTROL
470K 1K
2n2
3812
1,3V 3 ISLICE
+2.7V
22K
DIG.
4 VSSA1 FRONT PLL
END
H 0V
3809 H
2,7V 5 VDDA1
+2.7V
EFM
33R
DEMOD
2810
3813
1,2V 6 IREF
22u H 33K
7 VRIN
H VREF GEN.
3800 H H
8 D1
10K
3801
9 D2
CONTROL
10K
3802 FUNCTION
10 D3
10K
ADC
3803 PRE-
11 D4
PROCESSING
10K
3804
12 R1
10K
3805
13 R2
10K
220p
0V 14 VSSA2
15 CROUT
5801
BITSTREAM DAC
H H H H H H H
16 CRIN
VDDA2
8M46
CSTCC
17 18 19 20 21 22
2,7V 1,3V 1,3V 0V 2,7V 1,3V
5834
+2.7V
100M 2825 2826 2824
175kHz
CLK
1n5 100n 1n5
from 7250 2827
(part 2)
47u
A
1
A
2 2,7V
+2.7V
+2.7V
3 SL 1,4V
0,7V
4
5
1,8V
6 FO 1,4V
+2.7V
0,7V
7
+2.7A
8
1,5V
+2.7V
VREF
9 2,7V
8 3
1,4V
1,4V
10 1,4V 1
7958-A
2
11 TC75W51FU
1,2V
4 22K
1,2V 1,4V
0,8V
3301
12
3303
13
0,8V
22K
0,7V
14 RA 1,4V
3309
1,8V
15 +2.7V
680R
16 +2.7V
0,7V
from 7400
8
5
(part 2)
3958 3959 C,E 16
17
1,4V
DM_PWM
7
27K ...for D1b
10K
5K6 ... for D2
18 7958-B 6
TC75W51FU
4
VREF
4 5 6 7
3303 I7 3312 J9 3320 G11 3352 I11 3360 J14 3367 J7 3807 C4
3304 G8 3313 J8 3321 H11 3353 I15 3361 I11 3800 C4 3808 B4
3305 H7 3314 J16 3322 G12 3354 I15 3362 H11 3801 D4 3809 C5
3308 H8 3315 H8 3323 H12 3355 H15 3363 J16 3802 D4 3810 B5
3309 I7 3316 I16 3349 I12 3356 H15 3364 J16 3803 D4 3811 B5
3310 I9 3317 H9 3350 I10 3357 H17 3365 I14 3804 D4 3812 B6
3311 I7 3318 I8 3351 I10 3359 J15 3366 J8 3805 D4 3813 C6
8 9 10 11
3816 3819
15
3817 2K2 3820 2K2
13
+2.7V
2K2 3818 2K2 3821
14
2K2 2K2
+2.7V
2817
2818
+2.7A
1u
1u
0V 2,7V 2,7V 0V
58 57 56 55 54 53 52 51 50 49
CL11|4
SBSY 48 0V
OUTPUT
SFSY 47 1,6V
EBU
STAGES
INTERF.
+2.7V to 7400-PART2
SUB 46
ERROR PEAK
RCK 45
CORR. DET.
TEST3 44
ADDR
SRAM
STATUS 43
SILD 42 2,2V
SILD
RAB 41 0,3V
RAB
SCL 40 2,1V
SCL
AUDIO
PROCESSOR
SDA 39 1,9V
SDA
RESETn 38 2,7V
PORES
5
SCLI 37
SER. DATA
SDI 36 7
LOOPBACK
INTERF.
6
WCLI 35
V2|V3 34 0,8V
VERSAT.
SER. DATA KILL
INTERF.
INTERFACE
VSSD1 33 0V
KILL
23 24 25 26 27 28 29 30 31 32
1,3V 2,7V 0V 0V 0V 1,3V
3822 C
0R
4
3
2
16,9MHz
3300
VREF
3
2
2,7V 5
1
22K 7300-A
3
8
TC75W51FU
0,8V 4
3315 22u
1
3302 2 0,8V 2312
0,8V 4
from 7400
22K
(part 2)
2350
A
2306 BEEP
100n
3308 3317
1n
+2.7V +2.7V
2,7V 680R 2K7
7300-B
5
8
TC75W51FU
22u
7
0,8V 0V
6 2313
0,5V
4 7351
BC847BW
A
0V
2307 from 7400 MUTE
(part 2)
HP_ON
3318
1n
VREF
2K7
A
from 7400
DBB_ON
(part 2)
0,7V 0,7V
3313 E 3312 E
0V 0V
10K 10K
7301 E 7302 E
BC847BW BC847BW
0,7V 0,7V
VREF VREF VREF
8 9 10 11
4-1
3814 A7 3821 A10 3829 F8 3836 B5 3853 F14 3873 C15 3880 B17
3815 A8 3822 E10 3830 F9 3837 B6 3854 F15 3874 C15 3881 E17
3816 A10 3823 C10 3831 F9 3838 D2 3855 F16 3875 C15 3882 G15
3817 A9 3824 C10 3832 E10 3839 B17 3856 F17 3876 C15 3890 A5
3818 A10 3825 C10 3833 F10 3850 C13 3870 B14 3877 C15 3891 A5
3819 A10 3826 C11 3834 F6 3851 D13 3871 C14 3878 A16 3892 A5
3820 A10 3827 C11 3835 F7 3852 E13 3872 C14 3879 A16 3893 A6
12 13 14
SL
FO
RA
D
SFSY
3870 G
0R
+2.7V
E
7850
SM5903BF
44 43 42 41
1
2,7V
2
2,6V
3
4
D
5
D
6
2,7V 7
2,7V 8
9
10
0V
D 11
16,9MHz
12 13 14 15
0R 3853 E
7350
TA2120FN
2369
13 ALC 12
ATT 0V
A
SW A
1,1V DET
3320 100n
10K
14 IN A ALC IN 11
1,7V
ALC
1,7V
15 MIX OUT 10
IN B 0,7V
3321
10K 16 9
0V
0V GND
A
A
1k6
17 BEEP A 8
0,3V 0,7V
IN
18 7
MUTE C 0,7V
1,3V
TC
1k6
A A
19 MUTE B 6
0V 0,7V
SW
+2.7V
20 5 7352
2,3V POWER 2,1V 4,7V
VCC
SW +A
BC817-40
21 BIAS PWC 4
0,7V
SW
2,7V 3365
A
100R
2354 2366
22 3
BIAS IN RF IN 1,9V
A 3359
0,7V
10u 10u
24k
0V
A 10K
ADD ADD OUT 2367
0V 23 2 0V
DBB SW 24k 7353
B VREF
BC847BW
220n
2368
12k
24 1 3360 E,C
DBB OUT 2k DBB NF 0,7V 0,7V 0,7V
0,7V
30k
2u2 3K3
C....0R
A
12 13 14
3894 A6 3957 I5 5802 F8 7300-B H8 7355 I16 7892 F16
3895 F16 3958 J5 5806 D2 7301 J8 7800 B5 7950 F4
3951 H4 3959 J5 5834 E6 7302 J9 7801 B6 7958-A H5
3952 I5 3961 H5 6350 I16 7350 G12 7850 C14 7958-B J6
3953 H5 3963 J4 6351 E3 7351 I11 7870 B14
3954 H6 5800 A9 6352 F2 7352 I14 7890 A5
3955 H6 5801 E6 7300-A H9 7353 J15 7891 A6
15 16 17
3879 G
A
0R
D
3839 X
B
+3V
0R
3880 E
2,7V
+2.7V
22R
D D
C
2854 E
40 39 38 37 36 35 34
47p
D
33
32
31
D
30
29
28
2853 E
100p
27
D
26 2,1V
+2.7V
E
25 1,9V
24 2,7V
3856 C
23
1K
D
16 17 18 19 20 21 22
3855 E +2.7V
0V 0V 2,7V 0V 2,7V
F
22R
D
SCL
D
1,9V
SDA
E
3895
7892 E
YMLD
0V BC847BW
10K
3882
D
+2.7V NPC_RESET
10K
G
to 7400 (part 2)
D
RC
Headphone/RC socket
4
3356
3
H
0R .../17
2
6R8 .../all others
1
3355
1350
0R .../17
6R8 .../all others
I
A ESD ESD
+2.7V A
A
7355
E
E BC857BW
2,7V
+2.7V
0V
E
2,7V
J
VREF
from 7400
(part 2)
DBB_STEP
15 16 17
CS 46 674