Philips AZ7900 Service Manual page 15

1350 G15 2353 H13 2358 I13 2366 F11 2374 G8 2379 I8
1800 B1 2354 G11 2360 I11 2370 G6 2375 H8 2798 A3
2350 H11 2355 H13 2363 H14 2371 H6 2376 G7 2799 B2
2351 H11 2356 G11 2364 H14 2372 H7 2377 H7 2807 B9
2352 I11 2357 I13 2365 G13 2373 I7 2378 H15 2808 B9
1 2 3
PART 2
A
LDON (H=Laser on)
B
from/to VAM2103/08
2799
3797 1,9V
1800
F800
1K
TRACK- 1 1n
TRACK-
F801 3798
FOCUS+ 2
FOCUS+
+3
F802 1M
FOCUS- 3
FOCUS-
F803
TRACK+ 4
C
TRACK+
GND 5
H F804
LS 6
3834
F805 +3
RFE 7
33R
VDDL 8
F806
LDON
9
H
F807
10
D1
F808 3823
D2 11
D
F809
D3 10K
12
3824
F810
D5 13
10K
F811 3825
D4 14
3859 10K
VDD 15
3826
10R +3
LO 16
10K
3827
GND 17
F812 10K
LD 18
E
3828
52043 H 10K
H H H H H
F
G
H
DC voltages measured in
PLAY-mode, DBB off
V EVM
Set supplied via mains adaptor
I
X....component only forseen (not in use)
%....tolerance of component = 1%
1 2 3
4-2
2810 B9 2815 F4 2820 E4 2825 F5 2830 F5 3300 F11
2811 B8 2816 E3 2821 E3 2826 C3 2837 E9 3314 G15
2812 C2 2817 E3 2822 C4 2827 F5 2838 B6 3315 G15
2813 E2 2818 E3 2823 B4 2828 F6 2843 E1 3351 I11
2814 E2 2819 E4 2824 B4 2829 C4 2972 G8 3352 H11
4 5 6
3V
7797
BC857BW
3793 F814
3,1V HF-GAIN
(L=CDRW-mode)
22K
+3
2,6V
+3
INNERSWITCH
from 1951-PART1
2838
1u
H
7807
SAA7325 64 63 62 61 60 59 58 57
2,6V
LDON
BC857BW
2823
3819
1 HFREF
7799
VERSATILE
0,7V 1,5V
47p 1K
INTERFACE
1
3817 2829 MOTOR
2 HFIN
F813
CONTROL
1,5V
1K
2n2
3831
3 ISLICE
1,5V
22K
DIG.
4 VSSA1 FRONT
PLL
H
END
H 5 VDDA1
ADDR
EFM
3V
DEMOD SRAM
3829
6 IREF
0,7V
33K
7 VRIN
VREF GEN.
0V
H
H
8 D1
0,7V
9 D2
CONTROL AUDIO
0,7V
FUNCTION PROCESSOR
10 D3
0,7V
ADC
PRE-
11 D4
PROCESSING
0,7V
12 R1
0,7V
13 R2
0,7V
14 VSSA2
H
15 CROUT
5800
BITSTREAM DAC
H H H
16 CRIN
VDDA2
CSTCC
8M46
17 18 19 20 21 22 23 24
3806 3801
+3
47R 22R 2827 2825 2828
1n5 1u 1n5
2830
H 47u
A
3370
33K
3372
33K
3371
33K
3373
33K
4 5 6
3354 I10 3359 G10 3373 I6 3378 G8 3796 A3 3804 B6
3355 H14 3360 G11 3374 G7 3379 H8 3797 B3 3806 F4
3356 H14 3370 G6 3375 H7 3792 A3 3798 C3 3807 B7
3357 G10 3371 H6 3376 H7 3793 A4 3799 C3 3809 A9
3358 H14 3372 G6 3377 I7 3794 A3 3801 F5 3810 A8
7 8 9
16
15 3814 3813
2K2 2K2
13 3812 3811
2K2 2K2
14 3810 3809
2K2 2K2
+3
+3A 2811
to 7550 100n
PART1
F816 F815
56 55 54 53 52 51 0V 50 49
CL11|4
SBSY 48
OUTPUT
SFSY 47
EBU
STAGES
INTERF.
SUB 46
+3
ERROR PEAK
RCK 45
CORR. DET.
TEST3 44
STATUS 43
SILD 42
2V
RAB 41
SCL 40
1,8V
SDA 39
1,7V
RESETn 38
3V
SCLI 37
SER. DATA
SDI 36
LOOPBACK
INTERF.
WCLI 35
V2|V3 34
VERSAT.
SER. DATA KILL
INTERF. 0,6V
INTERFACE
VSSD1 33
KILL
25 26 27 28 29 30 31 32
0,6V
3815
+3
4R7
RIGHT CHANNEL
LEFT CHANNEL
3,1V
7370-B
MUTE
0,9V 5 8
TDA1308T
2374
3378
7
0,9V
22u 220R
0,9V 6 4
A 3376
A
1K8
2372
1n
3,1V
7370-A
0,9V 3 8
TDA1308T
2375
3379
1 0,9V
220R
22u
0,9V 2 4
A 3377
A
1K8
2373
1n
7 8 9
4-2
3811 A9 3816 A5 3821 C9 3826 E3 3834 C3 7351 H10
3812 A8 3817 C3 3822 C2 3827 E3 3837 C9 7352 I11
3813 A9 3818 C9 3823 D3 3828 E3 3859 E2 7353 H13
3814 A8 3819 B4 3824 D3 3829 D4 5800 F4 7370-A H7
3815 F7 3820 C9 3825 D3 3831 C4 7350 F12 7370-B G7
10 11 12 13
DM
SL
> 800 mVpp
FO
1
RA
2,5V
9
0
-2,5V
10
3V
11 0
12
-3V
SILD
13
3V
14
SCL
15
SDA
0
16
PORES
7350
TA2120FN
2366
13 ALC
ATT
A
SW
1,2V
DET
100n
3300
4
14
IN A ALC IN
1
0,9V
5
2x10K
ALC
15 MIX OUT
IN B
2
0,9V
3
16
GND
A
0V
2354
BEEP
1k6
from 7400-PART1
10n
17 BEEP
0V IN
+3 +3
2356
18 MUTE
1,2V
TC
1u
A
1k6
19 MUTE
0V
0V
SW
7351
0,6V BC847BW from 7350-F PART1
20 POWER
VCC
HP_ON SW
3,1V
A
2350
21 BIAS PWC
SW
0,9V
10u
2351
22
BIAS IN RF IN
A
+3
0,9V
10u
24k
A
3351 ADD OUT
23 ADD
0V DBB SW 24k
B
0,2V
100K
7352
0,6V BC847BW
12k
0,9V DBB OUT 2k DBB NF
24
30k
A A
10 11 12 13
7797 A4 F352 G15 F804 C2 F809 D2 F814 A5
7799 B3 F800 C1 F805 C2 F810 D2 F815 B8
7807 B4 F801 C1 F806 D2 F811 D2 F816 B7
F350 G15 F802 C1 F807 D2 F812 E1
F351 G15 F803 C1 F808 D2 F813 C4
14 15
eye-pattern signal
A
TB=0.5µs
during focus search
B
TB=0.1s
servo in or disc motor cw
C
not moving
servo out or disc motor ccw
servo out or disc motor cw
D
not moving
servo in or disc motor ccw
E
12
A
F
11
0,9V
10
0,9V
9
1350
4
A
8 3314 F350
A 3
0,9V G
15R
2
4R7 for /17
7 F352 1
C
0,9V
Headphone
Socket
6 3315 F351
B
0,9V
15R
4R7 for /17
5 7353 4,7V
+A
2,5V
BC817-40
H
4
3,1V
1,2V
3358
A
+3
2353
100R A
3 A ESD
A
2,2V
10u
2
0,2V
1
0,9V I
14 15
CS 46 652