Sanyo DC-DA2000 Service Manual

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IC BLOCK DIAGRAM & DESCRIPTION
2
1
24
17
16
3
4
5
6
18
15
7
8
9
10 11
14
19
20
21
22
13
Vssx
XIN
XOUT
FMIN
AMIN
CE
DI
CL
DO
V
DD
Vssd
PD
AIN
AOUT
Vssa
IFIN
IO1
IO2
BO1BO2 BO3 BO4
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16, 1/17 4bits
12bits PROGRAMMABLE
DIVIDER
DATA SHIFT REGISTER LATCH
1/2
CCB
I / F
POWER
ON
RESET
IC241 LC72121M-D (Pll Synthesizer)
IC440 AN7348K ( Play/Rec Pre Amp)
Nor/Cro
& Hi/Lo
Logic
R
R
P
R
P
P
ALC
Mute
Mute
Logic
A/B
Logic
Rec/PB
Ripple
Rejection
Rec
Amp(L)
Rec
Amp(R)
PB Amp(L)
PB Amp(R)
A/Rec
A/Rec
B
B
1
2
3
4
5
7
6
8
9
10 1211
1314
15
16
17
1819
20
21222324
L-PB AMP
R-PB AMP
R-PB NF
R-PB EO
R-PB OUT
AB SW
R-REC OUT
R-REC IN
REC/PB SW
A/B SW
FILTER
GND
VCC
CRO/NOR
HI/LO
ALC
L-REC OUT L-REC IN
ALC
L-PB AMP OUT
L-PB EO L-PB NF R-PB AMP
L-PB AMP
1 4 52 3
IC443 BA7755A (Head Switch)

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)