Signal Processing Part - Philips AZ7381 Service Manual

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SIGNAL PROCESSING PART

SIGNAL PROCESSING PART SIGNAL PROCESSING PART SIGNAL PROCESSING PART SIGNAL PROCESSING PART SIGNAL PROCESSING PART SIGNAL PROCESSING PART SIGNAL PROCESSING PART SIGNAL PROCESSING PART SIGNAL PROCESSING PART
A
ITEMNUMBER EXTENSIONS
A = charge circuit
B = LCD backlight version
C,G,H,J,K,N = DRAM size selection
D = cord remote control version
B
DC Voltages measured in
E = Line/opt.output version
F = IR remote control version
V
EVM PLAY-mode, ESA off
L = SM5902 version of NPC
M = SM5859 version of NPC Set supplied via mains adapter
O = only for laser power down conv.
P = only for Power Save Mode
Q = not for Power Save Mode
X = component only forseen (not in use)
% = tolerance of resistor is 1%
C
FROM/ TO CD-DRIVE
VAM2103
TRACK- 1 TRACK-
D
FOCUS+
FOCUS+
2
FOCUS- FOCUS-
3
TRACK+ TRACK+
4
T800
2842X
GND
5
HF
E 33n
LS
6
Hf
RFE 7
VDDL
8
T802
LDON
9
F
D1
10
D2
11
D3 12
D5 13
G
D4
14
3859
+C
VDD 10R
15
LO
16
GND
17
HF
H
T805 3880Q
0R05
LD 18
3,0V
+3
1800
6 5
7803P
3800P
HF HF
74LV14D
100k
I 4 3
7803P
74LV14D
5801P 5800P 8 9 2
10uH 47uH
1.4 MHz
10 11
J
HF HF
Do not measure
at this point !
12 13
LASER DOWN CONVERTER
K
TRACK_IN
3811 3812
FOCUS_IN 2k2 2k2
L
SLIDE_IN
INNERSW
3813
INNERSW SD SD
2k2
7807 pin63
M
SD
N
1 2 3 4
CS 46 472
4-2
5 6 7 8 9
+C
3822 3834 T803
+C
10R 4R7
HF
HF DA
H = Laser on 3,0V
T804
1
VSSA1
HF
2
3,0V
VDDA1
3823
3
0V
10k
D1
3824
4
0V
10k
D2
3825
5
0V
10k
D3
3x
6
220p
VRL
DA DA DA DA
3826
7
0V
10k
D4
3827
8
0V
10k
R1
3828
9
0V
10k
R2
3x 1.2V
10
220p
3829
IREFT
270k
DA DA DA
11
VRH
12
DA DA
VSSA2
HF
2802P
13
3.0V
+C
4p7
SELPLL
6800P
14
1.6V
ISLICE
BAS216
1
15
100k 1.6V
3801P HFIN
1
16 VSSA3
HF
HF
T801 HF
17
3830
2829 2823X
4k7
2n2 47p
2815
82p
HF
+C
3809 3810
2k2 2k2
SD SD
3814
2k2
SD
5 6 7 8 9
10 11 12 13 14
FROM/ TO CONTROL PART
+3
3836
INNERSW
3835
+C
22k
l=5859
3870L
h=5902
47k
(NPC SEL)
SD
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
SCLK
MICROPROCESSOR
VDD2P
INTERFACE
7807
WCLK
SAA7374GP/M1/C
DATA
VERSATILE
CONTROL PART
MISC
PINS
KILL
V1...VV5
PRE- FUNCTION
PROC. CONTROL
KILL
ERROR EBU
FLAGS
CORRECTION INT.
PEAK
VSS2
DETECT
SUB
EFM RAM
Vref SRAM
DEMOD. ADDR.
RCK
DIGITAL MOTOR SFSY
PLL CONTROL
SBSY
OUTPUT
MOTO2
TIMING
STAGES
MOTO1
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
SD SD SD
3832
4.23 MHz
4R7
PDM output
HF
15 13 14
eye-pattern signal
> 800 mVpp
1
10 11 12 13 14
4-2
15 16 17 18
3889N
0R05
D
3850
4R7
+3
3869Q
0R05
D
7806P
+3
+C +C BC807-40
3.1V
4R7
3.0V
3807P
3k3
SD
ESA modes
GND
PSM
4M_Bit C, H, G
8M_Bit G, J, K
SD HF
16M_Bit H, K, N
SM5902 L
SM5859 M
3851J 3,0V
2
4R7
48 SCLK +3
1,5V
47 3838
+C
3.0V
22R
3
+3 D
46 WCLK
1,5V
4 7809
45 DATA
SM5902AF 44 43
1,5V
SM5859AF
3839
44 YFLAG
0V
22k
43 1
3,0V VDD
0,2V
SEL1 2 UC1
0V
V3
42
0V
D D
SEL2 3 UC2
3,0V
+3
V4
41
4 UC3
2,0V 0V
5 UC4
0V
V5
40
3,0V UC5
6
0V
39 7 TEST1
0V
+C
8 TEST2
3,0V
38 SD uP
9 CLK
0V
D
37
10 VSS
consig
0,1V
11 YSRDATA
SD D
36 PWM_IN
1,8V
7808 1,8V
BC847B SD D
35 SBSY
0V
DATA
1,5V
34
12 13 14
1,0V
WCLK
33 CL4 SCLK
2,0V
SD
3841
+C
4R7
CD7 → NPC
NPC → DAC
2
13 servo out or disc motor cw
3V
14 not moving 3
15 servo in or disc motor ccw
4
0
TB=0.5µs 16
15 16 17 18
19 20 21 22
1800 H 1
2800X I 4
2802P I 6
2806 L 5
2807 L 5
2808 L 4
A
2809 M 5
2810 M 5
2811 L 4
2812 D 7
2813 H 7
2814 H 7
D
2815 K 7
2816 G 8
2817 G 8
2818 G 9
16MBit|4MBit
2819 H 8
B 2820 H 8
2821 H 9
2822 J 8
2823X J 9
DD2
2824 K 9
2825 K10
2826 D 8
2827 D 9
2829 J 8
2830 D14
2831 E15
C
2832 K14
2833 H17
2834 C18
2835J F18
2836 J20
A9
DD3
2837 D12
RAS
2839P J 2
2840P I 4
2842X E 2
2843 H 2
D 2844P J 2
2853L J21
2854P D16
2870P D15
D
3800P I 5
3801P J 5
3802P J 6
4M BIT (1M x 4) DRAM
3807P D15
3808P D15
3809 K 5
3810 K 6
E 3811 L 4
3812 L 5
3813 L 5
3814 L 5
3817 B 8
3818 B 8
3819 B 8
3820 B 8
3821 B 9
3822 D 8
3823 F 8
RAS
F
3824 F 8
3825 F 8
42 41 40 39 38 37 36 35 34
3826 G 8
3827 G 8
3828 H 8
3829 H 9
3830 J 7
3831 J 9
DRAM INTERFACE
WE 33 WE 3832 K10
3833 J10
D1 32 DD1 G 3834 D 9
3835 D11
ENCODER DECODER DD0 3836 C14
DO 31
3837 B 9
DD3 3838 F15
D3 30
3839 F15
3840 H15
DD2
D2 29
3841 K14
3842H F17
INPUT CAS CAS
28
ATTENUATOR 3843J G17
BUFFER
3844K F17
A10 OE 27
OE H 3845C G17
3846 F17
INPUT
OUTPUT YMCLK 26
3847 J19
INTERFACE INTERFACE 3848 J19
YMDATA 25 3849 J19
3850 C18
YMLD 3851J E18
24
3853L J21
SHOCK YDEMUTE 3854 H16
23
3855E H18
CONTROL
3856 E 9
I
D
3857 B12
3858 J11
VDD2 3859 G 2
for 5902 3869Q C15
3870L D11
3871M D10
15 16 17 18 19 20 21 22
3874X H16
3880Q H 2
3853L
3881G C19
+3
22R
3882N C20
D
J 3883G C20
3884N C20
3885G C20
3886N C20
3887G C21
D D
3888N C21
3889N A18
3890G A18
5800P I 3
5801P I 2
6800P I 5
K 7803P I 3
7803P I 5
DBB/LEVEL 7806P C15
7807 F12
7808 I15
TREB
7809 F18
7810J E21
OPT_OUT
7811 B21
16.9 MHz
T800 E 2
CL16
T801 J 7
T802 F 2
SRDA L
T803 D 9
T804 E 9
CLK
T805 H 2
LRCLK
6 5 7
M
TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE OF CD7 AND NPC
5
SCLK
6
WCLK left channel right channel
N
7
DATA
19 20 21 22