Technics RS-DV290EG Service Manual page 246

SCHEMATIC DIAGRAM-7
B
DVD MODULE(CPU) CIRCUIT
B
To DVD MODULE
(AUDIO DAC) CIRCUIT on
SCHEMATIC DIAGRAM-6/1-G
FS18
B
To DVD MODULE
(AVDEC) CIRCUIT on
H
SCHEMATIC DIAGRAM-4/1-F FS18
B
To DVD MODULE
(SODC) CIRCUIT on
SCHEMATIC DIAGRAM-3/1-D
FS18
B
To DVD MODULE
FS18
(FEP) CIRCUIT on
SCHEMATIC DIAGRAM-2/1-B
B
To DVD MODULE
CD2
(AVDEC) CIRCUIT on
CD1
SCHEMATIC DIAGRAM-4/1-E
G
B
To DVD MODULE
SC32
(SODC) CIRCUIT on
SC31
SCHEMATIC DIAGRAM-3/1-G
B
To DVD MODULE
(SODC) CIRCUIT on
F
SCHEMATIC DIAGRAM-3/1-G
SC27
SC28
SCHEMATIC DIAGRAM-3/1-E
SC29
SC30
SC27
B
To DVD MODULE
SC28
(AVDEC) CIRCUIT on SC29
CD3
SCHEMATIC DIAGRAM-4/1-D,E
CD4
B
To DVD MODULE
(AUDIO DAC) CIRCUIT on
AC7
E
SCHEMATIC DIAGRAM-6/12-C
AC5
B
To DVD MODULE
(FEP) CIRCUIT on
SCHEMATIC DIAGRAM-2/1-D
FC1
B
To DVD MODULE
(AVDEC) CIRCUIT on
SCHEMATIC DIAGRAM-4/1-D
CD5
B
To DVD MODULE
(AUDIO DAC) CIRCUIT on
SCHEMATIC DIAGRAM-6/12-C
AC8
D
C
B
To DVD MODULE
CV4
(VIDEO DAC) CIRCUIT on
CV5
SCHEMATIC DIAGRAM-5/12-F
CV6
B
B
To DVD MODULE
(FEP) CIRCUIT on
FC3
SCHEMATIC DIAGRAM-2/12-B
B
A
To DVD MODULE
(VIDEO DAC) CIRCUIT on
DB3
DG1
SCHEMATIC DIAGRAM-5/1-G
1
NRST
NRST
NRST
NRST
AV2IRQ G3
AV1IRQ G4
ODCIRQ G5
ADSCIRQ G6
R6202
10K
RA6201
10K
R6201
47K
WAIT
NRD
NWEL
NSODCCS
WAIT
NRD
NWEL
NWEH
NAVCS
AMUT
CLKSEL
HFMON
LB6202
VLP0155-T
SYSCLK
K6201
0
CLK33M
CMD
STATUS
DSPCLK
DCFLT
D+5V 5V
D.GND
2 3
:POSITIVE VOLTAGE LINE
IC6211
PST596JNR
RESET
3.3V
1 M/R
V 5
CC
2 SUB
3.3V
3 GND VOUT 4
R6215
10K
3.3V
100 99 98 97 96
3.3V
1 WAIT
(2V) 2.8V
2 NRE
3.3V
3 NWEL/P62
3.3V
4 NWEH/P63
5 NCS0/P50
3.3V
6 NCS1/P51
(2.8V)
3.3V
7 NCS2/P52
(2V)
2.8V
8 NCS3/P53
(0V) 3.3V
9 P54/NBREQ
3.3V
10 P55/NBRACK
0V
11 P56
(0V) 3.3V
12 NWORD
(1.2V)
2.3V
13 A0
(2.1V) 2.9V
14 A1
(2.2V) 2.9V
15 A2
(2V) 2.8V
16 A3
3.3V
17 V
DD
1.7V
18 BOSC/PB0
19 V
SS
20 XI/PB1
21 XO
3.3V
22 V
DD
1.7V
23 OSCI
24 OSCO
3.3V
25 MODE
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
IC6223
C0JBAA000001
AND GATE
4.5V
GND 3
4
3V
2
5V
3V
Vcc
5
1
LB6221
VLP0146-T
4
Q6215
UN5212TX
RESET
3.3V
0V
RA6206
47K
95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
PULLUP1 74
PULLUP0 73
P75/SBO1 72
P74/SBI1 71
P73/SBT1 70
P72/SBO0/UCAS 69
P71/SBI0/LCAS 68
P70/SBT0/RAS 67
IC6201
P97/AN3 65
MN102H60GFD
P96/AN2 64
CPU
P95/AN1 63
P94/AN0 62
1.5V
P-P
P87/SBO4 56
0.2 s. 0.5V/DIV.
P86/SBI4 55
P85/SBT4 53
P84/SBO3 52
P83/SBI3 51
IC6222
C0JBAA000001
AND GATE
4.1V
GND 3
4
2.7V
2
5V
2.7V
Vcc
5
1
5
3.3V
R6216
1K
G1
3.3V
NNMI 75
3.3V
3.3V
3.3V
I4
3.3V
I3
2.8V
I5
3.3V
I6
3.3V
3.3V
V 66
DD
AV 61
SS
3.3V
P93 60 I7
0V
P92 59 I1
0V
P91 58 I2
R6210
P90 57
100
3.3V
3.3V
I8
3.3V
VREF+ 54
3.3V
2.7V
0V (2.5V)
3.3V
R6208
4.7K
RA6202
10K
R6206
10K
IC6221
C3EBGC000033
EE PROM
3.3V
1 A0 V 8
CC
2 A1 WP 7
3.3V
3 A2 SCL 6
3.3V
4 GND SDA 5
6 7