Sony WRT-822B, Руководство по обслуживанию

Страница: 43 / 46

8-3
WRT-822B
8-3
2
3
4
5
1
A B C D E F G H
0V
0V
5V
5V
5V
0V
5V
5V
5V
0V
0V
0V
0V
5V
5V
5V
0V
0V
5V
2.5V
2.5V
4.2V
1
2
3
4 5
6
7
8
1 2 3 4 5 6 7
8 9 10 11 12 13 14
LCD
C3
S30
S29
S31
S28
S25
S24
S23
S22
S21
S13
C2
C0
S27
S26
S20
S19
S18
S17
S16
S15
S14
S12
C1
1 2
3 4
1
2
3
4
5
6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
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 51 52 53 54 55 56 57 58 59 60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
S20 S21 S22 S23
S24/BP0 S25/BP1 S26/BP2 S27/BP3 S28/BP4 S29/BP5 S30/BP6 S31/BP7
S19 S18 S17 S16 S15 S14 S13 S12
P73/KR7
P72/KR6
P71/KR5
P70/KR4
P63/KR3
P62/KR2
P61/KR1
P60/KR0
RESET
X2
X1
XT2
XT1
VDD
AVREF
AVSS
AN5
AN4
AN3
AN2 AN1 AN0
P83/AN7 P82/AN6
P81
P80/TI1
P33 P32
P31/SYNC
P30/LCDCL
P23/BUZ P22/PCL
P21/PTO1 P20/PTO0
P13/TI0
P12/INT2 P11/INT1 P10/INT0
P03/SI/SB1
P02/SO/SB0
SCK P01/
P00/INT4
P53
P52
P51
P50
VSS
P43
P42
P41
P40
VLC2
VLC1
VLC0
BIAS
COM3
COM2
COM1
COM0
UPD753036GK
S400
X400
S402
C404
CT400
S401
C408
IC405
R408
IC400
C400
C403
C414
R404
R413 R415 R418
C410
R411
R412
C406
R401
R400
C407
R410
R414 R416 R419
C415 C413 C411
ND400
R402
Q400
D401
R407
R403
D400
C418
C417 R422
C409
C412
IC406(2/3)
IC406(1/3)
IC406(3/3)
C416
TP400
R417
D402 D403
R423
TP402
TP401
R424
R425
R426
IC404
L400
L401
C420 C419
R427
D404
CN400
TP403
C402
IC402
R406
R421
R420
C405
R405 R430
C401
4MHz
56p
16V
CH
20p
(5P)
2.2µ
16V
TA-A
AK93C85AM
47k
1/16W
0.5%
TC74VHCU04FT(EL)
0.01µ 16V B
0.01µ
16V
B
0.01µ
16V
B
1M
1/16W
0.5%
22k
1/16W
0.5%
22k
1/16W
0.5%
22k
1/16W
0.5%
22µ
10V
TA-B
4.7k
1/16W
0.5%
100k
1/16W
0.5%
10µ
10V
TA-A
0.01µ
16V
B
100k
1/16W
0.5%
1k
1/16W
0.5%
1k
1/16W
0.5%
1k
1/16W
0.5%
0.047µ
10V
B
0.047µ
10V
B
0.047µ
10V
B
'NM
100
1/16W
0.5%
DTC114EE-TL
MA132WK-TX
10k
1/16W
0.5%
10k
1/16W
0.5%
MA133-TX
1000p
16V
B
1000p
16V
B
10k
1/16W
0.5%
0.1µ
10V
B
10µ
10V
TA-A
TC7W14FU(TE12R)
TC7W14FU(TE12R)
TC7W14FU(TE12R)
0.01µ
16V
B
TEST
'NM
100k
1/16W
0.5%
UMZ8.2T-T106 UMZ8.2T-T106
100k
1/16W
0.5%
RXD
'NM
TXD
'NM
47k
1/16W
0.5%
47k
1/16W
0.5%
47k
1/16W
0.5%
S-80820ANNP-EDH-
2.2µH
3225
2.2µ
3225
NM NM
100k
1/16W
0.5%
1SS367-T3SONY
SM06B-SRSS-TB
JST
NM
TP404
NM
0.01µ
16V
B
µPD75P3036GK-T82
100k
1/16W
0.5%
1k
1/16W
0.5%
1k
1/16W
0.5%
5p
16V
CH
1.8k
1/16W
0.5%
100k
1/16W
0.5%
10µ
10V
TA-A
3
2
1
1
3
2
6 2
4
3 5
8
1 7
2
1
3
CLK
DATA
S15
S14
S8
S7
S6
S4
S3
S2
S0
COM1
COM0
S5
COM3
COM2
COM1
COM0
ID
ATT2
ATT1
ATT0
AFM
LD
RFM LAT
-SW
POFF-IN
SET
POFF-OUT
+SW
S16 S5 S19 S6 S4 S8 S0 S9 S3 S2 S1 S17 S14 S7 S15 S13 S12 S11 S10 S18
LVD
SET
-SW
+SW
COM2
S1
S9
S10
S11
S12
S13
S16
S19
S17
S18
COM3
32.768KHZ
4MHZ
16k
1/16W
5%
18k
1/16W
5%
CS
SK
DI
DO
VCC
+ -
SET
NC
NC
NC
NC
NC
NC NC NC NC
NC
NC
GND
DEST
VSS NC
OUT VDD
CARRIER_FREQ_ADJ
TEST
RX
TX
RESET
GND
EXT_BATT
ATT0
ATT1
ATT2
Note:
supply from battery terminal.
or more)under no-signal conditions.
Voltage values on signal input conditions are taken when the
signal is -60dB(OdB=1Vrms)and fed with AF oscillator from
MIC input terminal.
Voltage variations may be noted due to normal production
tolerances.
1/3 5V
1/3 ALO
1/3
1/3
1/3
1/3
1/3
1/3
1/3
LVD
XT1(32.768KHZ)
ID
AFM
2/3
2/3
POFF-OUT
POFF-IN
2/3
2/3
EXT_BATT
2/3
2/3
2/3
2/3
2/3
2/3
2/3
4MHZ
CLK
DATA
LAT
LD
RFM
Power voltage ls dc 3V and fed with regulated dc power
DC voltage are taken with digital multimeter (input impedance 1MΩ
BAT1
A B C D E F G H J
-60
0
dB
ATT MIC AMP
PHASE
SWITCH AMP
EQ
COMP AMP
EMPHASIS
PRE-
ADJ
&
-60.0 -60.0
-50.4 -50.4
-44.2
-35.2
-19.0
-21.6
5KHz
DEVIATION
FREQUENCY
kHz
Note:
(0dB=0.775Vrms)
meter.
For measuring points( to ),see schematic diagram.
AF oscillater from MIC connector.
Level values are referential values measured with AF level
Power voltage is dc 3.0Vdc and fed with regulated dc power
Reference input signal is -60dB(0dB=1Vrms)and fed with
J A
Level diagram
supply from battery terminal.
2.63V
MB-940 (3/3) MB-940 (3/3)
MB-940 (3/3)