Sharp QT-CD111H Service Manual page 15

X VCO
76kHz
J6
82
SW102-G
P
R
R351
220
Q351
S8050D
<3V>
150 47K
R352 R353
<0.7V>
C353
<0.1V>
0.022
C352
R354
(ML)
220/10
10
7
IC2
PIN PIN
NO. VOLTAGE VOLTAGE
NO.
1 1.6V 13 1.2V (0V)
2 1.6V 14 1.9V (1.6V)
3 6V (6.3V) 15 1V (1.3V)
4 0.2V (0.7V) 16 1.7V
5 1.6V 17 1.5V (1.7V)
6 0V 18 1.5V (1.5V)
0V 0.4V (0.4V)
7 19
0V 6.1V (6.4V)
8 20
9 2.5V 21 6.1V (6.4V)
10 2.5V 22 1.6V
11 5.1V (6.6V) 23 1.6V
12 0.8V (1V) 24 1.6V
( ): AM
X-BASS
C213
R215
0.1
2.2K
C303
0.15/50
C215
0.039
(ML)
SW203-A R302
1.8K R219
3.3K
R220
R304
3.3K
SW203-B 1.8K
C304
0.15/50
R216
C214
2.2K
0.1
Q201
2SC1815GR
R223
+B
4.7K
C228
R225
1/50
100K
CD
FM AUTO
AM
TAPE IC203
KIA7808P
SW201-C
VOLTAGE REGULATOR
11.83V
1
3 IN
OUT
8V
C302
C301
2
0V
0.022
0.022
IC101
PIN
VOLTAGE
NO.
1 <0V> [3.23V]
2 <0V> [0V]
3 <0.6V> [0.6V]
4 <0V> [0V]
5 <0V> [0V]
6 <0V> [0V]
7 <0V> [0V]
8 <7.43V> [7.43V]
<0V> [0V]
9
10 <7.37V> [7.37V]
11 <0.6V> [0.6V]
12 <3.3V> [3.3V]
< >: Recording
[ ]: Play
8 9
Figure 15 SCHEMATIC DIAGRAM (4/4)
MAIN PWB-A1(1/2)
AM SIGNAL
FM SIGNAL
CD SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
C219
0.047
R221
(ML)
1K
2
C221
0.001
1
C223
VOLUME
100/10
4
C224
100/10
7
C225
220/25
3
6
R222
C220
1K
C222
0.047
0.001
(ML)
D201
1N4148
+B
Q202
2SC1815GR
R224
4.7K
TERMINAL PWB-A3
SW201-D
+B
CD
1
1
FM AUTO
2 2
AM
TAPE
+B
+B
10
– 15 –
QT-CD111H/110H
HEADPHONES PWB-A4
R227 120
R228
120
5
1
1
12
+
C233
–
1000/10
C231
13
0.1
(ML)
11
C232
9 0.1
(ML)
–
+
10
5 8 C234
1000/10
C227
3300/25
T601
POWER TRANSFOMER
+B
+B
BATTERYS
DC12V["D"size(UM/SUM-1,
R20 or HP2)battery x 8]
SW601
(241-7)
MAIN
+ M601
(241-6)
M
TAPE
MOTOR
–
11
FW202
5
SPEAKERS
SP501
1 1
2 2
3 3
SP502
IC202
PIN
NO. VOLTAGE
1 0.1V
0V
2
11.2V
3
4 0V
5 11.3V
6 0V
7 0.1V
8 12V
9 10.4V
10 5.8V
11 0V
5.8V
12
10.4V
13
SO651
AC INPUT
12