Sharp MD-X60H Service Manual page 44

MD-X60H
A
B
A/D_SW
20
AUX_1/2
21
NAME_IN
22
A_GND
23
TP951
1
C
TP952
2
TP953
3
TP954
4
TP955
5
CNP980
D_GND
1
CAM_SW1
2
CAM_SW2
3
D_GND
4
CAM_SW3
5
CAM_SW4
6
D_GND
1
TRY_SW1
2
D
TRY_SW2
3
TRY_SW3
4
TRY_SW4
5
CNP990
TP916
6
TP915
7
TP914
8
TP913
9
TP912
10
TP911
11
TP910
12
TP909
13
TP908
14
E TP907
15
TP903
16
TP902
17
TP901
18
SW951
RESET
IC902
PST9140
RESET
F
5.1V
1
0V
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.
1
FM SIGNAL
CD SIGNAL
MD SIGNAL
EXP_DATA
RA102 100K
EXP_CLK
RECORD SIGNAL
RA103 100K
EXP_LCK1
RA104 100K
MO_H/L
C-MO_FOR
C-MO_REV
T-MO_FOR
T-MO_REV
R1029 5.6K
R1030 5.6K
R1031 5.6K
R1032 5.6K
R1033 5.6K
R1034 5.6K
R1035 5.6K
R1036 5.6K
PU_IN
SL+
SL–
DRF
WRQ
CQCK
COIN
SQOUT
RWC
RES_CD
R1078
18K
CD_9V
CD_7V
Q946
2SC2412 KR
CD_GND
R1043
47K
+B
5.1V
2
3
C944
0.1
C961 0.1 2.6V 0V
1 GND
18
BIASC
1.6V SPEANA_R 0V
2
AOUT 17
VREFC
C962 0.1
2.6V 0V
3 16
RREF TEST
RA263 100K
4
15
N.C
N.C
5
SEL 14
DIFOUT
5.1V
6 N.C
N.C 13
2.6V SPEANA_C
7 12
0V
CIN C
C967 0.1
2.6V SPEANA_B
8
4.9V 11
AIN B
C968 0.1
5.1V SPEANA_A
9
0V
A 10
Vcc
C969 0.1
IC951
BA3835F
+B
BAND PASS FILTER
2 3
Figure 44 SCHEMATIC DIAGRAM (3/16)
IC911
BU2092F
INPUT/OUTPUT C908
0.1
EXPANDER
0V
5.1V
1
VSS VDD 18
5.1V 0V
2
DATA OE 17
0V
5.1V
3
16
CLK
SW12
AUX_1/2 8V
5.1V
4
LCK1 15
SW11
DUBB MODE 0V
5
14
SW1 0V
SW10
NAME SEL 0V
0V STOP
6
13
SW2 SW9
SKIP+1 DATA SEL 0V
0V
7
12
SW3 SW8
SKIP+10 NEXT 0V
8
11
SW4 0V SW7
PLAY N PLAY 1T
9
10
SW5 SW5
0V
0V
+B
+B
CAM_SW1
CAM_SW2
R931 1K
CAM_SW3
CAM_SW4 R932 1K
R933 1K
TRY_SW1
R934 1K
TRY_SW2
R935 1K
TRY_SW3
TRY_SW4 R936 1K
2.5V
R941 330K
X902
32.768kHz
RES
R943 1K
RX_IN 5.1V
R1044 22K
R944 1K
5.1V
PROTECT
R1045 22K
R945 1K
5.1V
R1046 12K
R946 1K
SPEANA_A 3.0V
R1047
R947 1K
470K
SPEANA_B 3.0V
R948 1K
SPEANA_C 2.0V
0V
R949 1K
0V 3.8V
R950 1K
5.1V
C951
0.1
C952
0.1
IC952
BA3835F
C971 BAND PASS FILTER
0.1
2.6V 0V
1 GND
18
BIASC
C972
SPEANA_L
1.6V
2
VREFC 17
0V AOUT
0.1
2.6V 0V
3 16
RREF TEST
RA272
4
15
N.C N.C
100K
5
DIFOUT 14
SEL
C977
5.1V
6
N.C N.C 13
0.1 2.6V SPEANA_C
7 12
CIN
0V C
C978 SPEANA_B
8
AIN 2.6V 4.9V B 11
0.1
SPEANA_A
9
Vcc 0V A 10
C979
5.1V
0.1
4
– 44 –
BU2092F
INPUT/OUTPUT
EXPANDER
RA132
0V
100K
+B
1
VSS
RA152 1K
EXP_DATA
5.1V
RA131
2
DATA
RA153 1K
EXP_CLK 5.1V
39K
3
CLK
RA154 1K
EXP_LCK2 5.1V
4
LCK
REC_BIAS 11V
5
SW1
REC_CONT RA155 1K
6
SW2
RA156 100
CRO2
7
SW3
RA157 220
REC_MUTE
8
SW4
DB_PB/REC RA158 100
9
SW5
RA159 1K
+B
C911
0.1
5.1V
8
1 2 3 4
R1028
27K
R929
1K
R930
1K
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15
0.2V
31
0.2V
32
0.2V
33
0.2V
34 TRY SW2
5.1V
35 TRY SW3
5.1V
36 31
TRY SW4 CAM SW3
5.1V
37 VDD 32 CAM SW4
IC901
38 MAIN CLK OUT 33 TRY SW1
IX2757AF
39
MAIN CLK IN
40 SYSTEM CONTROL MICROCOMPUTER
VSS
41 SUB CLK OUT 3.0V
48
42 SPE_ANA-B
SUB CLK IN 3.0V
49
SPE_ANA-C
43
RESET 5.1V
50
RX IN
44 DSTB
PROTECT
45
NAME IN
46
SPE_ANA-A
47
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
SPEANA_L
SPEANA_R
TP999
C999
68P
+B
R900
3.3K
RA254
33K
RA252
4.7K
RA251
4.7K
RA253
33K
5
IC912
5.1V
18
VDD
0V
17
OE
16
SW12
15
SW11
RA163
14
SW10
1K
DIG_B
13
0V SW9
0V
RA161
12
0V 0V SW8
1K
DB_ON/OFF
11
3V 0V SW7
PB_MUTE
10
5V
11V SW5
RA160
0
7 6 5
9 8 7 6 5 4
14 13 12 11 10
CA
TAPE
VSS 100
99
MAIN SW
T
CD-MUTE 82
81
CD_HI-SPEED
67 68 69 70 71 72 73 74 75 76 77
+B
V U T S R Q P O N M
TO ME
TAPE D
P
6