I/O Board: Power Supply - Philips CDR779 Service Manual

Block diagrams, Circuit diagrams and PWB's

I/O board: Power supply

1 2
POWER SUPPLY
1400
EH-B
I404
1
2
I405
A
3
TO PSU
4
I411
5
6
7
1401
1
B
2
3
4
5
6
7
8
C
9
10
11
12
I407
13
I408
14
I409
TO CDR MAIN
15
BOARD
D
16
I410
17
18
19
20
21
22
I413
E
23
24
25
26
27
28
29
F
30
3104 123 4249.3
1 2
CDR779
3 4
KILL_PSU
OPT_IN
DIG_OUT
DIG_IN2
+5Vd +5Vd +5Vd +5Vd +5Vd
+5Vd
DIG_IN1
+5Vd
PST3
IIS_DATA_ADC
+5Vd
3411
I412
4R7
3 4
5. GB 32
5 6
KILL_MAIN
DEEMP
MUTE
MICPRES_INTCOPY
LEVEL_A2
LEVEL_A1
LEVEL_A0
7403-A
+5Vdx
74HC244D
20
Vcc
1
EN
10
GND
2 18
4 16
6 14
8 12
19
11
MIC_HPSEL
4400 13
15
17
I/O BOARD LAYOUT.3 - CIRCUIT DIAGRAM 4
5 6
7 8
3400
0R0 3
7400
L78M09
I400
1 3
+9Va
IN OUT
GND
2
I401
+12Va
I402
+5Va
3401
2
0R0
7401
MC7905
2 3
IN OUT
GND
I403
1
-9Va
I406
-12Va
IIS_BCLK_MIC
IIS_WS_MIC
5 6
3413
IIS_BCLK_ADC
3414 47R
IIS_WS_ADC
47R 3415
IIS_DATA_DAC
3416 47R
IIS_BCLK_DAC
3417
47R
+5Vdx +5Vd
7403-B
74HC244D
4R7
I414
20
Vcc
2412
EN
10
GND
100n 7
3418
9
IIS_WS_DAC
47R 3419
7
CL11
47R
5
11.2896MHz
4
3
CL11_MIC
7 8
9 1400 A1
1401 B1
2400 A6
2401 A6
2402 A7
2403 A8
2404 B6
2405 B6
2406 C6
2407 C6
A
2408 C7
2409 C8
2410 F4
2411 F4
2412 E8
2413 B2
2414 B2
2415 C2
2416 C2
2417 D3
2418 D3
2419 D3
B
2420 D4
2421 D4
2422 D4
2423 F2
2424 F2
2425 D4
2426 F5
2427 B3
2428 B3
2429 F2
3400 A7
3401 B7
C
3403 C3
3404 C3
3405 C4
3406 C4
3407 C4
3408 C4
3411 F3
3412 D5
3413 E7
3414 E7
3415 E7
D
3416 E7
3417 E8
3418 F8
3419 F8
4400 F6
6400 C7
6401 C7
7400 A7
7401 B7
7403-A D6
7403-B E7
I400 A8
E
I401 A8
I402 B8
I403 C8
I404 A2
I405 A2
I406 C8
I407 D2
I408 D2
I409 D2
I410 D2
I411 A2
I412 F4
F
I413 E2
I414 E7
CL 06532151_009.eps
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