Sharp CD-DVD500 Service Manual page 24

CD-DVD500
AM
FM
CNP301
8
FM FRONT END
6 7 2
AM TRACKING
T303 T306
FROM CD SECTION
JK601
11
VIDEO IN
AUX 14
16
10
15
PLAYBACK
HEAD
TAPE 1 L-CH
R-CH
RECORD/
REC
PLAYBACK HEAD
P.B. IC102
1
BA3126N
L-CH
TAPE 2
3
HEAD
R-CH
SELECTOR
6
AC BIAS
2
ERASE HEAD
FE301
1 CF303
5
4 3
1 2
VCC
23 21
X352
4.5 MHz
VT
20 1 22
OSC
IC302
LC72131
PLL(TUNER)
7
+B4
FM
Q360
SWITCHING
CNP7
+B5
3
IC501
TORX178B
1 12
OPTICAL FIBER
DATA LINK
2
+B4
23
L
TUNER
R
L
9
L
AUX
4
R
21
R
L
TAPE
R
3
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
L(T1) 1
R(T1)
24
9 2
L(T2)
R(T2)
7 23
4
L NF 3
5 8 R NF 22
POP REDUCE 6
T1/T2
H/N
L REC
9
REC
R REC 16
REF
14
NOR/
15
HIGH
T1/T2
19
12
SWITCHING
Q101
Q102
BIAS OSC SWITCHING
BIAS
Q128
Q124
Q126
L104
L103
Figure 24 BLOCK DIAGRAM (3/4)
10.7 MHz
450 kHz
T351
CF352 CF351
AM IF
5
4 9 8
IC303
LA1832S
FM IF DET./FM MPX./AM IF
FM/AM
MPX IN
OUT FM/AM
18 16 12
7
15 11 3 4 5 6
16
17
21
9 10
+B5
14
9
IC502
74VHC00F
INVERTOR
6
7
+B5
71 53 24 34
VSS 14
13
35
VSS
49 VSS 18
62 VSS 22
81
VSS
95 VSSDL 47
CKO
IC504
97 VSSX
IX0443AW
DOLBY DECODER
98 XO
XI
99
+B4
13
4 PB
L
R
21
5
20
MUTING
7 L REC
Q121
Q122
R
18 REC
8 L NF
17 R NF
10
ALC
TO IC181
– 24 –
X351
456kHz
17 13
R L
14 15
6-CH ELECTRONIC
IC505
AK4527BVQ
6-CH CODE
+B4
37 16 36
ROUT2 SWIN
26
6
4
ROUT3
24 SR_IN
8
LOUT3
23
9 SL_IN
9
LOUT2 C_IN
25
11
ROUT1
28 R_IN
13
LOUT1 27
39 15 L_IN
12 GND_R
32 30
MOTOR
DRIVER
+B3 Q102
TAPE 1
SOLENOID DRIVER
TAPE
MECHANISM
+B3 Q102
ASS'Y
TAPE 2
SOLENOID DRIVER
+B3 Q102
+B4
N
BUF
3
2
5
6
B
IC602
M62446FP
VOLUME
3
+B4
2
5
42
6
SW_OUT 36
C_OUT
33
L_OUT 31
R_OUT
32
SL_OUT 34
SR_OUT 35
B
3
2
5
6