Sharp CD-BA1700 (serv.man7) Service Manual ▷ View online
CD-BA160H/1700H
– 20 –
•
The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chas-
sis with no signal given.
1. In the tuner section,
sis with no signal given.
1. In the tuner section,
( ) indicates AM
< > indicates FM stereo
< > indicates FM stereo
2. In the main section, a tape is being played back.
3. In the deck section, a tape is being played back.
3. In the deck section, a tape is being played back.
( ) indicates the record state.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
5. In the CD section, the CD is stopped.
•
Parts marked with “ ” ( ) are important for
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
parts with specified ones for maintaining the safety and
performance of the set.
NOTES ON SCHEMATIC DIAGRAM
•
Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
•
Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means micro-micro-farad and the unit of the
capacitor without such a symbol is microfarad. As to
electrolytic capacitor, the expression “capacitance/withstand
voltage” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
symbol P means micro-micro-farad and the unit of the
capacitor without such a symbol is microfarad. As to
electrolytic capacitor, the expression “capacitance/withstand
voltage” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
•
Schematic diagram and Wiring Side of P.W.Board for this
model are subject to change for improvement without prior
notice.
notice.
REF. NO
DESCRIPTION
POSITION
POSITION
SW613
EQUALIZER
ON—OFF
SW614
VOLUME UP
ON—OFF
SW615
VOLUME DOWN
ON—OFF
SW616
CD
ON—OFF
SW617
TAPE
ON—OFF
SW618
TUNING DOWN
ON—OFF
SW619
MEMORY SET
ON—OFF
SW620
REVIEW
ON—OFF
SW621
FAST FORWARD
ON—OFF
SW622
PLAY/REPEAT
ON—OFF
SW623
STOP
ON—OFF
SW625
RECORD/PAUSE
ON—OFF
SW626
TUNING UP
ON—OFF
SW627
VIDEO/AUX
ON—OFF
SW628
TUNER (BAND)
ON—OFF
REF. NO
DESCRIPTION
SW1
OPEN/CLOSE
ON—OFF
SW2
CLAMP
ON—OFF
SW3
DISC NUMBER
ON—OFF
SW4
PICKUP IN
ON—OFF
SW601
ON/STAND-BY
ON—OFF
SW602
CLOCK
ON—OFF
SW603
TIMER/SLEEP
ON—OFF
SW604
PTY TI/SEARCH
ON—OFF
SW605
EON
ON—OFF
SW606
ASPM
ON—OFF
SW607
DISPLAY MODE
ON—OFF
SW608
STATION
ON—OFF
SW609
DISC SKIP
ON—OFF
SW610
OPEN/CLOSE
ON—OFF
SW611
DIMMER
ON—OFF
SW612
X-BASS
ON—OFF
Figure 20 TYPES OF TRANSISTOR AND LED
(1) (2) (3)
(S) (G) (D)
E C B
FRONT
VIEW
KTA1266 GR
KTA1271 Y
KTA1273 Y
KTA1274 Y
KTC3199 GR
KTC3203 Y
KRC102 M
KRC104 M
KRC107 M
2SC1845 F
2SC3203 Y
2SC380 O
KTA1271 Y
KTA1273 Y
KTA1274 Y
KTC3199 GR
KTC3203 Y
KRC102 M
KRC104 M
KRC107 M
2SC1845 F
2SC3203 Y
2SC380 O
KTC2026
4204SRT7
B C E
FRONT
VIEW
FRONT
VIEW
VIEW
– 21 –
CD-BA160H/1700H
Figure 21 BLOCK DIAGRAM (1/3)
CNP12
CNP11
Q2
+3.3V
+5V
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLDO
SPDO
FDO
TDO
+5V
TO DISPLAY SECTION
CLAMP SW
CDINT
WRQ
CE
DO
CLK
DI
CD RES
GND
DRF
CNS4
BI4
CNP4
M2
SLED
MOTOR
M1
SPINDLE
MOTOR
M
M
TRACKING COIL
FOCUS COIL
PICKUP UNIT
TE
FE
RFEV
HFL
VVDD
ADAVDD
VDD
LVDD
RVDD
XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V
CONSTANT
VOLTAGE
+5V
Q1
Q3
LASER
DRIVER
LDD
PD
VCC3
VCC2
VCC4
VCC1
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC401)
R-CH
L-CH
AGND
DGND
+B2(+5V)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.9344MHz
6
5
4
3
3
2
5
4
1
1
2
3
4
7
8
2
1
7
8
9
10
1
2
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3
LOADING
MOTOR
6
1
2
4
3
5
6
1
2
4
3
5
6
75 76
45 46 47 48
32 31 30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DEF
52
51
XOUT
XIN
73
5 18 36 44 49
50
7 14 15 16
23
24
25
26
33
3
13
19
40
64
74
17 18 19 20 21 22
30
23
11
9
1
4
5
6
7
15 16 26 27
2 17 25
41 42 38 39
35
29
22
21
14
8
40
18
24
23
28
SW4
PICKUP IN
+3.3V
CNS99
BI99
CNP5
IC99
TOTX178A
OPTICAL FIBER
DATA LINK
1
2
3
1
2
3
1
2
3
37
DOUT
1
2
3
CD-BA1700H
ONLY
O/C
DISC_NO
M+
M-
CD-BA1700H
ONLY
VCC
~
~
TO
FD
SLDO
SPO
PUIN
LD_M-
LD_M+
LOADING M-
LOADING M+
CD-BA160H/1700H
– 22 –
Figure 22 BLOCK DIAGRAM (2/3)
AM LOOP
ANTENNA
ANTENNA
XIN
VDDD
VSSD
DO
CL
DI
CE
XOUT
VDDA
VSSA
IN
MPX
FM AFC
BALUN
REC/PLA
CL
CE
DI
SYSTEM
MUTE
MUTE
DO
CL
DI
CE
MO/ST
+B1
SWITCHING
+B1
FM/AM
OUT
FM/AM
+B
L-CH
R-CH
BAIS
T1/T2
MUTING
PLAYBACK
RECORD
AC BIAS
R-CH
L-CH
CD R
TAPE R
AUX L
TAPE L
TUNER L
CD L
PB
FROM CD
SECTION
SECTION
ERASE
HEAD
HEAD
SWITCHING
SWITCHING
SWITCHING
BIAS
SWITCHING
BIAS OSC
RECORD/
PLAYBACK
HEAD
PLAYBACK
HEAD
TAPE 2
PLAYBACK
HEAD
HEAD
TAPE 1
R-CH
L-CH
R-CH
L-CH
H/N
P.B
+B1
R
L
REC L
REC R
L NF
R NF
ALC
REC
T1/T2
T1/T2
HIGH
NOR/
REF
R REC
L REC
POP REDUCE
R NF
L NF
SWITCHING
L(T2)
R(T2)
R(T1)
L(T1)
R
L
FM/AM
MPXIN
STEREO
AM RF IN
AM OSC IN
FM +B
FM
VT
AOUT
AM OSC
AM
ANTENNA
ANTENNA
MO/ST
DET
FM
VCC
GND
AM IF
FM IF DET/FM MPX./AM IF
AM MIX
F OUT
FM FRONT END
1
1
9
7
2
4
5
9
8
13
14
15
12
16
20
12
13
20
21
22
23
14
15
3
4
2
22 15
6
5 4 3
16
11
17
21
23
1
2
2
4
3
8
7
1
2
3
4
5
4
1
2
3
6
9
5
7
8
13
21
24
23
22
16
14
12
20
18
17
10
19
15
9
24
21
13
12
14
11
15
10
16
17
18
10
18
24
21
22
23
7
1
8
5
4
3
7
6
2
1
3
1
3
2
2
3
1
2
TUNER R
AUX R
Q112
XIN
XOUT
NC
NC
NC
VDD
+5.1V
VCC
1
6
7
IC702
7
6
1
IC703
SPEANA
SPEAN
SPEAN
7
L-IN
QT21
L354
IC303
LA1832S
LA1832S
X352
4.5MHZ
4.5MHZ
IC302
LC72131
PLL(TUNER)
LC72131
PLL(TUNER)
Q360
SO401
VIDEO/AUX
VIDEO/AUX
Q401
Q402
Q402
Q110
Q111
Q111
IC401
LC75341
AUDIO PROCESSOR
CNP11
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
CNS402
ICT21
LC72722
RDS CIRCUIT
LC72722
RDS CIRCUIT
XT21
4.332MHz
4.332MHz
T306
T303
L341
SO301A
FM ANTENNA
TERMINAL
FM ANTENNA
TERMINAL
FE301
CF301 Q301
CF302
CF351
FM IF
FM IF
CF352
T351
Q103
Q108
Q109
Q109
Q104-
Q107
Q101
Q102
Q114
L104
L104
Q113
1
2
2
CNP302
1
2
2
FM IF
FM IF
LOW PASS
FILTER
FILTER
IC702:IC703
KIA4558P
OPE AMP.
– 23 –
CD-BA160H/1700H
Figure 23 BLOCK DIAGRAM (3/3)
+B2
+5V
5V
EC/PLAY
VLOAD
+B3
RESET IC
SYS. STOP
RESET
+B2
M901
FAN MOTOR
FAN MOTOR
M
+B3
+B3
+B3
+B3
VDD
VDD
VDD
L-OUT
R-OUT
SP. DET.
UNSWITCH
+5V
A10V
+B3
+B2
+B1
TEM
E
CE
DI
CLK
DO
+B1
-Vcc
+Vcc
BAIS
T1/T2
AVDD
SW601-SW623
SW625~SW628
SW625~SW628
KEY SWITCH
SECTION
TO CD
AC POWER
SUPPLY
CORD
SUPPLY
CORD
T.F.
1 2 3
47 48 49
6
13 14
16
59
10
3
1
2
11 12 13 15 16 17
20 21 22 23 24
1
1
7
8
9
15
13
10
7
9
4 5 6
63
78
79
80
85
90
92
93
100
56 55 54 53 52 51 50 49
47 46 45 44 43 42 41 40
39
38
37
36
36
35
34
33
31
23
28 29
44
L-CH
R-CH
~
~
~
~
~
~
~
~
~
~
~
AVref
T-BIAS
T_T1/T2
REC/PLAY
SO901
(CD-BA160H)
FOR 2 SPEAKERS
SO902
(CD-BA1700H)
FOR 4 SPEAKERS
(CD-BA160H)
FOR 2 SPEAKERS
SO902
(CD-BA1700H)
FOR 4 SPEAKERS
SURROUND
SPEAKER
(CD-BA1700H
ONLY)
SPEAKER
(CD-BA1700H
ONLY)
SO902
(FOR
CD-BA1700H)
(FOR
CD-BA1700H)
SPEAKER
TERMINALS
TERMINALS
+B
REMOTE SENSOR
1
3
2
RX701
TAPE
MOTOR
MOTOR
TO TAPE
MECHANISM
MECHANISM
+B
3
1
2
2
2
3
1
1
3
RESET
X2
X1
MOTOR
DRIVER
DRIVER
MOTOR
DRIVER
DRIVER
+B2
JK951
HEADPHONES
7
1
30
29
28
EANA2
SPEANA1
SPEANA0
IC701
IX0329AW
SYSTEM MICROCOMPUTER
SO901
FRONT
SPEAKER
(FOR
CD-BA160H)
FRONT
SPEAKER
(FOR
CD-BA160H)
RL951
RELAY
RELAY
F801
T4A L 250V
IC901
STK40204
POWER AMP.
STK40204
POWER AMP.
D801
XL701
4.19MHz
RL871
RELAY
RELAY
F802
T4A L 250V
D802-D805
F803
T2A L 250V
L801
IC851
PT801
MAIN POWER TRANSFORMER
PT871
SUB POWER TRANSFORMER
D872-875
Q873
IC852
IC841
Q971
Q609
IC704
Q601~
Q603
Q603
Q901
Q902
Q903
Q904
Q902
Q903
Q904
01
02
02
FL701
FL DISPLAY
IC704
KIA7042AP
RESET
KIA7042AP
RESET
L-CH
L-CH
L-CH
GND
GND
L-CH
GND
GND
R-CH
R-CH
GND
GND
R-CH
R-CH
GND
GND
SO801
AC INPUT
SOCKET
AC 230V
50Hz
AC INPUT
SOCKET
AC 230V
50Hz
LINE
FILTER
FILTER
Q951
Q605
Q606
Q607
M
Q608
Q604
LED722
VOLTAGE REGULATOR
IC852
AN78L05
CONSTANT VOLTAGE
REGULATOR
IC841
KIA7810AP
VOLTAGE
REGULATOR
IC851
KIA7805P
VOLTAGE REGULATOR
Q801
VOLTAGE REGULATOR