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A
B
The DC voltage is an actual reading measured with a high impedance type
voltmeter with a cassette loaded at playback mode. The measurement
value may vary depending on the measuring instruments used or on the
1
product. Bias circuit DC voltage is measured while in the record mode.
DOLBY and the double-D symbol are trademarks of Dolby Laboratories
Licensing Corporation. Noise reduction circuit made under license from
Dolby Laboratories Licensing Corporation.
PICKUP UNIT
2
3
TR+
FO+
FO-
TR-
AC TUATOR
4
CAUTION: For continued safety, replace safety critical components only
with manufacturer's recommended parts (refer to parts list).
safety critical components. For continued protection against risk of fire,
replace only with same type and rating fuse(s). To reduce the risk of elec-
tric shock, leakage-current or resistance measurements shall be carried
out (exposed parts are acceptably insulated from the supply circuit) before
the appliance is returned to the customer.
5
The DC voltage is an actual reading measured with a high impedance
type voltmeter. The measurement value may vary depending on the mea-
suring instruments used or on the product. Refer to the voltage during
PLAY unless otherwise specified; The value shown in (
measured at the moment of STOP.
The DC voltage is an actual reading measured with a high impedance type volt-
6
meter as the AM/FM signal generator is specified to the conditions as shown in the
list below. The measurement value may vary depending on the measuring instru-
ments used or on the product. The value shown in ( ) is actual reading measured
in the AM mode.
MODULATION
MODE
CARRIER
FREQUENCY
DEVIATION
FM
98MHz
1kHz
STEREO 67.5kHz 7.5kHz(Pilot)
AM
1000(999)kHz
400Hz
MONO 30% MOD
7
C
D
CD SECTION
+5V
Q1
CNS1B
CNS1A
CNP1
VCC
5.0V
7
7
7
7
+5V
VREF
C5
6
6
6
6
0.047
E
R6 33K
C6
5
5
5
5
0.1
R5 12K
A
TP3
4
4
4
4
R10
R4 12K
B
27K
3
3
3
3
F
R3 33K
C7
2
2
2
2
100P
R12
C8
C
C50
330
4700P
1
1
1
1
22P
TP1
C9
100u10
CNS2B
CNS2A
CNP2
TP2
TR-
+
1
1
1
1
7
TR+
C10
2
2
2
2
6
10u10
FO+
+
3
3
3
3
4
C11
0.22u50
FO-
4
4
4
4
5
+
GND
5
5
5
5
C12
PD
6
6
6
6
100P
VR
7
7
7
7
LD
8
8
8
8
indicates
CD MOTOR PWB-D
M1
CNS3B
CNS3A
CNP3
SP+
M
SPINDLE
6
6
6
6
SP-
MOTOR
5
5
5
5
SL+
M
) is the voltage
4
4
4
4
SLED
MOTOR
M2
SL-
3
3
3
3
PUIN
SW4
2
2
2
2
GND
PICKUP IN
1
1
1
1
CNP3A
IC1
: LC78645E
IC2
: M63001FP
Q1
: KTA1266GR
Q2
: KTC3203Y
Q3
: KRC102M
D1,2 : 1SS133
ZD1 : MTZJ3.3B
ZD2 : MTZJ3.9B
ANT INPUT
60dB
60dB
RECORDING LINE
SIGNAL LINE
GND LINE
+B
B LINE
B
B LINE
E
F
R7
47
3.2V
R41
C37
12K
0.1
LASER
C27
DRIVER
0.022
1
SLC0
2
SLCIST
3
EFMIN
4
RF
5
RFVDD
6
RSVSS
7
IC1
FIN1 A
8
FIN2 B
SERVO/SIGNAL
9
TIN1 E
CONTROL
10
TIN2 F
11
VREF
12
REF1
13
NC
14
TEC
15
NC
16
NC
17
JITTC
18
ADAVDD
19
ADAVSS
20
TDO
3.2V
4.7V
R44
12K
26
27
16
15
C41
100u10
+
G
H
5.0V
+5V
65
67
61
64
60
NC
63
59
NC
62
58
NC
66
57
ASDFIN
8
56
ASDACK
9
55
ASLRCK
54
NC
53
NC
52
NC
51
XVSS
50
R43
C20
FSX/16MIN
220
15P
49
XIN
XL1
C19
33.8688MHz
48
15P
XOUT
L1
0.82uH
47
3.2V
XVDD
+5V
46
3.5V
RVDD
C24
R25
45
10u50
2.2K
RCHO
+
44
RVSS
43
LVSS
C23
42
10u50
R24
LCHO
+
2.2K
C48
C16
0.022
330u16
+
41
3.5V
R22
LVDD
Q2
100
Q2
CONSTANT
VOLTAGE
R49
+5V
1
IC2
FOCUS/TRACKING/
SPIN/SLED DRIVER
71
70
Q3
+5V
+5V
4.7V
I
J
CNP8
1
WRQ
2
DRF
3
CE
4
DO
5
DI
1
6
CL
AM-1
7
CD RES
8
CLAMP
9
O/C. DISC NO
2
CNP7
1
R-CH
2
AGND
3 L-CH
4 DGND
5.0V
+5V
5 +5V
5.0V
+5V
6 +5V
R30
9
1
1
1
OPEN/
8.2K
CLOSE
8
2
2
2
CLAMP
3
3
3
R19
4
4
4
DISC
15K
NO
M
39
5
5
5
LOADING
38
6
6
6
CNP4
CNS4
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