I/O Board: Mic Adc - Philips CDR779 Service Manual

Block diagrams, Circuit diagrams and PWB's

I/O board: Mic ADC

1 2 3
+3V3d
3300
47K
I301
MIC ADC
A
3301
47K
CL11_MIC
I308 3305 I309
2304
B
MIC_LEFTIN
12K
47u
2307
I311 3307 I312
MIC_RIGHTIN
12K 47u
C
23 24
Adjustable with
0V
pot 3109 on
D 1ms/DIV
headphone & mic
SBC442 TEST CD
1kHz/-30dB board
E
F
CDR_RIGHTOUT
CD_RIGHTOUT
MIC_HPSEL
G
CD_LEFTOUT
CDR_LEFTOUT
H
HP SELECT
I
3104 123 4249.3
1 2 3
CDR779
4 5 6
I300
I302
11.2896MHz
22
7300
UDA1360TS 16 9
I304 VDDA VDDD
8 SYSCLK
14 FSEL CLOCK VREFP 5 2301 2302
47u 100n
CONTROL
7 PWON VREFN 4
I310
1 VINL VREF 2
ADC
2305 2306
47u 100n
3 VINR
ADC
DC-CANCEL
FILTER
I313
11 BCK
DIGITAL DATAO 13
I315
12 WS INTERFACE
6 SFOR 3310
VSSD VSSA
47R
10 15
I316
26
25
27
+5Va
2311
2312
47u
100n
2313
+5Vax
I318
7301-A 22n
74HC4053D
16
Vdd
12 Y0 S 11
13 Y1 Z 14
Vss Vee E
8 7 6
2316
I317
-5Vax
22n
3318
8 7 6
-5Vai
Vss Vee E
1 Y1
2 Y0
7301-B
74HC4053D
7301-C
74HC4053D
5 Y0
3 Y1
Vss Vee E
8 7 6
3321
I/O BOARD LATOUT.3 - CIRCUIT DIAGRAM
4 5 6
5. GB 31
7 8 9
+3V3a +5Va
I303
3302
82R
3304
I306
47R
6300
UDZ-3.3B
3311
+3V3a
1R
2309 2310
47u 100n
+3V3d
+5Vd
3314
100R
6301
UDZ-3.3B
0.5uS/DIV
-5Vax
4
6
7
I322
OP275GS
Z 15 5 8
7302-B
S 10
Vdd
16
+5Vax
+9Va
+5Vax
16
Vdd
S 9
I325 I326
Z 4
+Vad
7302-A
-5Vax
3
8
OP275GS
1
2
4
I328
-Vad
2319
22n
-9Va
7 8 9
10 11 12 13
HP_LEFTOUT
KILL
HP_RIGHTOUT
-9Va
+9Va
MIC_RIGHTIN
MIC_LEFTIN
MICPRES_INTCOPY
1,4112MHz
26
44,1KHz
25
LEFT CHANNEL RIGHT CHANNEL
27
MSB LSB MSB
-Vad
I320 3323 I323
1K
+Vad
2317 2318
22n 47u
I327 3324 I324
1K
2320
47u
10 11 12 13
1300 B13
14
2300 C12
2301 B6
2302 B6
2304 B3
2305 B6
2306 B6
2307 B3
2308 C2
2309 C7
2310 C8
2311 D6
A 2312 D6
2313 D5
2316 E5
2317 H10
2318 H10
2319 I10
2320 I10
1300
PH-B 2321 F12
1
2322 I12
2
2325 C3
2326 C13
3
2327 C13
B
3300 A3
4
3301 A3
3302 A8
5
3304 A8
6
3305 B3
3307 B3
7
3310 C6
8 3311 C8
3313 D4
9
3314 D8
3317 E4
10
3318 F6
C
3320 H9
3321 H6
3322 I9
3323 F12
3324 H12
6300 B8
6301 D7
7300 A4
7301-A D4
7301-B G6
7301-C G6
D 7302-A H9
7302-B F9
I300 A6
I301 A3
I302 A6
I303 A8
I304 A4
I306 A7
I308 B3
I309 B3
I310 B6
I311 B2
E
I312 B3
I313 B4
I315 C4
I316 C4
I317 E4
I318 D5
I320 F11
I322 F7
I323 F13
I324 H13
I325 H7
I326 H10
F
HP_RIGHTOUT
I327 H11
I328 H10
G
H
HP_LEFTOUT
I
CL 06532151_008.eps
241100
14