Schematic Diagram - Sharp QT-CD210H(BL) Serivce Manual

QT-CD210H/W
PICK-UP UNIT
LD
MON
K
A
E
K
B
E
A
A
F
B
C
F
2200P
1M
2200P
1M
R-
TR+
R+
FO+ F+
F-
G
FO-
PD
B
VR
TR-
LD
+
M702
M
SPINDLE
MOTOR
-
SP+
SP-
+
SL+
M701
M
SLED
SL-
MOTOR
-
PU-IN
GND
SW702
C
PICKUP IN
CD MOTOR PWB-B
IC803
PIN PIN
VOLTAGE VOLTAGE
NO. NO.
1 8.15V 0V
16
1.08V
2 17 0.24V
3 2.12V 18 2.13V
4 2.10V 19 2.09V
5 4.0V 20 4.03V
6 3.42V 21 3.38V
0V
7 22 0V
8 0V 23 0V
D
9 0V 24 0V
10 3.85V 25 3.70V
11 3.60V 26 3.71V
12 2.09V 27
2.09V
13 28
2.09V 2.11V
14 6.02V 29 2.10V
15 7.47V 30 8.14V
E
AM
TRACKING
AM BAND
COVERAGE
FM
TRACKING
FM BAND
COVERAGE
FM ROD
ANTENNA
IC1
PIN PIN
F
VOLTAGE
NO. NO.
1 0.82V(0V) 13 1.22V(1.22V)
2 0V(0V) 14 1.22V(1.22V)
3 0.35V(1.03V) 15 3.20V(3.14V)
4 3.81V(3.82V) 16 3.14V(3.92V)
0V(0.13V)
5 17 0.7V(0.70V)
6 3.92V(3.86V) 18 1.08V(1.01V)
7 3.39V(3.18V) 19 0.4V(1.02V)
8 3.92V(3.86V) 20 3.92V(3.85V)
9 0V(0V) 21 3.92V(3.86V)
0V(0.14V)
10 22 3.92V(3.86V)
11 0.32V(0.32V) 23 3.92V(3.86V)
12 3.14V(3.29V) 24 3.92V(3.82V)
G
TAPE
RECORD/
PLAYBACK HEAD
L-CH
R-CH
ERASE HEAD
H
• The numbers 1 to
1
( ): CD STOP
MAIN PWB-A1
3.72V
1.87V
(5.0V)
(1.45V)
Q801
KTA1266 GR
SWITCHING
2.97V
(4.39V)
C802
0.022
+B
K
C801
5
5 5
0.01
E
4
4 4
A
3 3 3
B
2 2 2
F
1 1 1
TR+
1 1 1
TR-
2 2 2
FC+
3 3 3
FC-
4 4 4
GND
5 5 5
PD
6 6 6
VR
7 7 7
LD
8
8 8
DM+
6 6 6
DM-
5 5 5
FM+
4 4 4
FM-
3 3 3
SLT+
2 2 2
SLT-
1 1 1
30 29 28
1 2
L3
AM BAR ANTENNA
1 3
fH TC3
fL L3
2
4
C21
fH TC4 2P(CH)
fL L4
fH TC1
fL L1
fH TC2
L1
fL L2 FM IF
24
FM BAND
AM RF
PASS FILTER
IN
F1
1 2 3
1
D1
1N4148
VOLTAGE
IC1
FM/AM IF MPX.
TA2111N
( ): AM
R104 R103
12K
12K
R102
R101
150
150
SW102-A
SW102-F
R
R P
3 2 1
19 20 21
SW102
RECORD/
PLAYBACK
1 1
2 2
3 3
C108
4 4
820P
16 17 18
6 5 4
P
R R
SW102-B SW102-G
9 8 7
P
R
SW102-C
SW102
RECORD/PLAYBACK
17 are waveform numbers shown in page 17.
2
Figure 12 SCHEMATIC DIAGRAM (1/2)
R801
22
C815 C816
C817
47/16
0.022
100/10
IC801
SERVO PRE AMP.
TA2109F
R802
2.2K
1 24
VCC RFN
C804
GND 23
2P
8
2 (CH)
FNI
3 FPI RFO 22
4
TPI
5 21
TNI AGCI
6 MDI RFGC 20
7 LDO RFGO 19
9
C819
RFIS 18
0.1(ML)
8 RFRP 17
SEL
10
9
TEB VRO 16
10 15
2VRO FEN
R811
22K R803
11 TEN
82K
FEO 14
12 TEO 13
SBAD
C814
C813
0.047
47/16
FOO
TRO
27 26 25 24 23 22 21 20 19 18 16
17
CD
C807
IC803 2
3
0.047
LA6541D
13
3 4 5 6 7 8 9 10 11 12 14 15
+B
FMO
DMO
C5
2P(CH) L4
AM OSC.
3 5 4 3 4
TC3 TC4
2
VC3 VC4
1 6
AM OSC.
AM ANT
FM ANT FM OSC.
VC1
VC2
TC2 C4
TC1
C6
4P(CH)
2
6 1 330P
C2 C3
18P
24P(UJ) C7
(CH)
2.2/50
L2
R2
2.7K
FM OSC.
23 22 21 20 19 18 17 16
FM RF
OUT
IC1
TA2111N
VCC
2 3 4 5 6 7
C12
4.7/50
2
CF1
CF3 10.7MHz
NC
460KHz
1 3 FM IF
3
AM IF
T3
AM IF
R105
10K
C115
R113 R115
0.018(ML)
8.2K
3.9K
C105
0.0027
R109 C109
C113
120 270P
47/16
SW102
RECORD/
PLAYBACK
3 PRE AMP 1
0.6V 1.88V
P OUT1
NF1
VOLTAGE:
VCC
PLAY and REC
5
IN1
L107 IC101
0V
CHOKE
FILTER
BA3311L
COIL
C111
0V
330P
ALC T
9 IN2
NF2 GND OUT2
0V
0.6V 11 4 6 7 12
C112
0V
330P 0V
C114
L108 C110
R110
P R114
47/16
CHOKE 270P
120
8.2K
COIL
R116
C116
C106
3.9K
0.018(ML)
0.0027
R106
10K
3 4
– 12 –
+B
IC801
PIN PIN
VOLTAGE VOLTAGE
NO. NO.
4.84V
1 13 2.86V(0.99V)
2 2.04V 14 2.12V
3 2.04V 15 2.05V
R804
2.12V(0V)
4 16 2.05V
68K
5 2.11V(0V) 17 2.63V(1.15V)
6 0.18V(0V) 18 2.04V
R805 7 2.84V(0V) 19 2.07V
R807
39K
8 2.41V(0V) 20 2.17V
1K
9 2.05V 21
2.04V
10 4.08V 22 1.47V(0.77V)
R806
11 2.05V 23 0V
2.7K
12 2.08V 24 2.05V
( ): CD STOP
C820 C818
0.1(ML)
56P
C822
0.047
C821
100/10
IC803
FOCUS/
TRACKING/
SPIN/
SLED DRIVER
LA6541D
+B 8.15V
(8.3V)
C805
Q802
0.022
KTA1273 Y
C806 C856
SWITCHING
330/16 0.001
R850
1.5K
R5
3.3K
C10
1/50
15 14 13
8 9 10 11 12
R7
120
C15
R6
10P C22
100
(CH) 0.1/50
C19
COR1
0.01
2 CORE
(ML)
NC
R8 R9 R10
NC 10K
10K 2.2K
1
NC
T2
FM DETECTION
R121
1.8K
R117
SW102
3.9K RECORD/
PLAYBACK
SW102-E
R119
C117
3.3K
R P
10/16
R123
22 23 24
3.3K
4.67V
8
C123
10
4.62V 220/10
2
0V
SW102
R125
RECORD/
1.89V
680K
PLAYBACK
C122
R124
0.01
3.3K
C118
13 14 15
10/16 P
R
SW102-H
R118
3.9K
R122
1.8K
5
C825
47/16
C826
47P
R820
47K
R827
15K
C830
0.01(M
C828
C832
47/16
0.0027
C829
0.0047
R828
10K
C833
0.033(ML)
C854
C863
47/16 0.0068
R830
10K
C841
0.047
R831
3.3K
R833
3.3K
C842
0.047
C834
470P
C843 C835
47/16
470P
C836
0.047(ML)
C837
0.047(ML)
C838 2
0.047(ML)
C839
0.047(ML)
+B
L80
0.82
8.21V
(8.3V)
D801
7.48V 1N4004
(7.59V)
( ): CD STOP
4.97V(5.0V) +B
3
0V
(0V)
2
Q803
0V KRC107 M
1
(0V) SWITCHING
R456
15K
R458
1K
R455
15K
R457
1K
SW201-B
TAPE
8
AM 9
R11
L-CH
12
2.2K FM 10
CD 11
SW201
FUNCTION
SELECTOR
TAPE
17
AM
16
13 R-CH
FM
15
SW201-C
CD
14
R126
100
IC101
SW102-D
SW
REC./ R P
R
12 11 10
P.B. EQUALIZER AMP.
PL
BA3311L
L301
R351
BIAS OSC.
100
4 3
C3
6 2
0.
1
C351
0.0022 R
1
(ML)
C352
100/10
6