Sanyo DC-DA2000 Service Manual

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IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9242M-MPB (Servo Signal Processor)
FSS
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
48
47
46
45
44
43
41
40
39
38
37
36
35
34
33
42
32313029282726252423222120191817
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vcc1 LDS LDD BH1 PH1 LF2 VR REF1 Vcc2
DRF CE DAT CL CLK DEF
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV+
CV-
SLOF
HFL
TES
TOFF
TGL
JP+
JP-SL+SL-SLDSLEQSPDSP-SPGSPI
SP AGND FE-FE FA-FAFD-
FD
TO
JP
TD
TD-
TA
TH
SCH
TESI
TE
TE-
TB
F
E
FIN1
FIN2
APC
RF DET
REF
VCA
I/V
BAL
VCA
INTER FACE
SLC
RF Amp
TE
T.SERVO & T.LOGIC
F.SERVO & F.LOGICK
SPINDLE SERVO
SLED SERVO
IC446 NJM78L05A (Stabilized Power Supply)
Q1 Q2 Q3
Q4
Q5Q6
Q7Q8
R1 R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
Q9
Q10
Q11
Q12
Q13
Q14
Q15
1
2
3
V
I
Vo
GND
IC442 TA8229K (Power Amplifier)
5
7
6
48
14 15
11
10
9
VCC1VCC2
IN-1
IN-2
NF1
NF2
R
IPPLE
MINAL
B.S.1
B.S.2
OUT-1
OUT-2
POWE
R
GND
Ch-1
-
+
3
2
12
13
Ch-2
-
+
PRE
GND1
PRE
GND2
BIAS CIRCUIT
THERMAL CUT-OFF
PROTECTION

Sanyo DC-DA2000 Specifications

Tuner

FM frequency range	87.5 - 108 MHz
AM frequency range (9 kHz step)	522 - 1710 kHz
AM frequency range (10 kHz step)	520 - 1710 kHz

CD Player

Channels	2-channel stereo
Sampling frequency	44.1 kHz
Laser output	0.6 mW
Wave length	790 nm

Cassette Deck

Track system	4-track, 2-channel stereo
Frequency response	80 Hz to 15 kHz
Signal-to-noise ratio	40 dB
Wow/flutter	0.15% (WRMS)
Fast forward/rewind time	Approx. 110 sec. (C-60)

General

Output power	4W x 2
Power requirements	AC 230 ~ 240 V, 50 Hz
Power consumption	21 W
Dimensions	150(W) x 230(H) x 205(D) mm
Weight	2.3 kg

Speaker Systems

Type	Full range bass reflex
Unit used	10 cm cone type
Maximum power-handling capacity	8 W (peak)
Nominal impedance	4 ohms
Dimensions	145(W) x 230(H) x 170(D) mm
Weight	1.2 kg (per speaker)