Sharp CD-CH1500, Руководство по обслуживанию

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CD-CH1500
Figure 17 BLOCK DIAGRAM (4/6)
+B
8 7 6 5 4 3 2 1
TO POWER PWB
TO POWER
PWB
IC913
CNP102
CNP807
NP806
3
2
1
+B
+B
+B
+B
+B
B
SW750~SW758
KEY0
Q954 Q955
IC701
TA7291S
LOADING
MOTOR DRIVER
1 2 3 4 5 6 7 8 9
IC913
KIA7805AP
VOLTAGE REGULATOR
BI940
CNS940
BI950 BI960
IC912
BU2092F
INPUT/OUTPUT
EXPANDER
CNP934
CNP931
+B
REC_RCH REC_LCH
A_GND
TAPE_L TAPE_R
TO AUDIO SECTION
TAPE_R TAPE_L A_GND REC_LCH REC_RCH
REC_MUTE REC_CONT REC_BIAS
l
8 7 6 5 4 3 2 1
POWER_RLY
SP_RLY
PROTECT
FAN
D_GND
SP_DET SP_RLY
UN_SW 5V
AC_RLY CTL
A_-B
D_GND
FAN_CTL
1 2 3 4 5 6 7 8
M_+B
M_GND
CD_+B
CD_GND
CD_+B
CD
_
GND
M_GND
M_+B
PNL_OP
PNL_CL
D GND
A +B
SDA
SCL
D +B
D_GND
KEY4
KEY3
KEY2
JOG-B
JOG-A
A_+B
7
6
5
4
3
2
1
D_+B
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CD-R_SEL
SW12
LCK
SW10
SW11
SW5
SW7
SW8
SW9
VSS
DATA
CLK VDD
OE
A_+B
D_+B
D_GND
REMOCON
POW_KEY
KEY0
KEY1
LCK
CK
DATA
POW_IND
11
10
9
8
7
6
5
4
3
2
1
LEVEL_R
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
2 73 74 75 76 77 78 79 80
8 7 6 5 4 3 2 1
CD RESET
CD CCE
C
B
A
FH A-SW B
FH M B-
FH A-SW A
FH M B+
FH M A-
FH M A+
CD RW
CD PICK IN
DEST_OUT2
VSS
FH C-SW B
FH C-SW A
FH A-SW E
FH A-SW D FH A-SW C
CD BUS3
CD BUS2
CD BUS1
BIAS
UTE
DEST_OUT1
CD BUCK
CD BUS0
REC MUTE
LCD-RW LCD-E
RUN PULSE
T-SOL
T-MOTOR
CD-SW
NC
NC
NC
m
j k
m
8 9 10 11 12 13 14 15
IC701
+B
SW711,SW712,
SW720~SW725 Q724 Q720
Q721 Q723
Q725
Q722
SW710,
SW730~SW735
LED759
LED731
LED754
LED756 LED757
LED758
LED755
SW701
POWER
RX701
REMOTE
SENSOR
LED770
JOG701
JOG DIAL
SW761~SW764
Q708
LED772~
LED776
SW770,SW772,
SW773,SW778,
SW784,SW786
CNS720
CNS770
IC702
INPUT/OUTPUT
EXPANDER
BU2092F
LED_4
LED_1
LED_2 LED_3 LED_5
LED_6
18
17
16
15
14
13
12
11
10 9
8
7
6
5
4
3
2
1
Q10
VDD
__
OE
Q11
Q9
Q8
Q7
Q6
Q5
Q3
Q4
Q2
Q1
Q0
LCK
CLOCK
VSS
POW_IND
DATA
CK
LCK
KEY1
POW_KEY
REMOCON
D_GND
D_+B
A_+B
LED_EG
LED_5
LED_4
LED_3
LED_2
LED_1
A_+B
JOG-A
JOG-B
KEY2
KEY3
KEY4
D_GND
3 2 1
5
6
7
8
9
10
11
1
2
3
4
4
3
6
7
5
2
1
DATA
+B
+B
+B
+B
+B
+B
5
1
CNP701
Q707
LED735,
LCD720 LCD DISPLAY
LED737,LED738
5
1
2
3
4
VDD
VSS
VLCD
SW705
OPEN/CLOSE
MO700
CONTROL
PANEL MOTOR
MOTOR_–
D_GND
CLOSE_SW
OPEN_SW
M
DIMMER
+B