Sony HCD-DX70 - 6-2. BLOCK DIAGRAMS

HCD-DX70
2222
6-2. BLOCK DIAGRAMS
– TUNER/CD SECTION –
: FM
: AM
: CD
• Signal Path
• RCH is omitted
: DIGITAL OUT
FM 75Ω
G
AM
TM1
ANT IN
1
7
IF OUT
8
OSC OUT
5
VT
FE1
DX7,DX7J MODEL
JR9
+B A+12V
Q2
FM
10
FM OSC
16
AOUT
20
AIN
19
PD
18
PLL
IC51
12
FM/AM IF
7
FM
15
AM OSC
9VCO STOP
8IF REQ
6DO
4DI
5
CL
3
CE
XIN
1
XOUT
22
X51
4.5MHz
RF IF
AMP
Q1
CF1 CF2
DO
DI
CL
CE
2
11
49
RB4
63
10
7
8
1
2
AM MIX OUT
IF OUT
9
FM
11
OSC FM
24
VCO STOP
12
IF REQ MUTE
10
AM RF IN
21
AM OSC
23
VCC
9
FM IF
1
AM/FM IF MPX
IC11
13
L OUT
14
R OUT
BUFFER
Q11
LPF11
LPF
4
AM IF IN
IF11
R-CH
A
MAIN
SECTION
6
TUNED
7
STEREO
RV11
ST MUTE
21
CE
22
CL
27
MC DI
25
MC DO
23
STEREO
2
TUNED
3
MASTER CONTROL
IC501(1/2)
DO
CL
CE
DI
DI
OPTICAL PICK-UP
BLOCK
(A,MAX3)
+5V
LD
DRIVE
Q101
RF AMP
IC103
VC
27
A
6
B
7
C
VCC
8
D
9
E
10
F
11
LD
1
PD
2
IC102
MOTOR/COIL DRIVE
CH1OUTR
13
CH1OUTF
14
CH2OUTR
11
CH2OUTF
12
CH3OUTR
18
CH3OUTF
17
M
M102
SLED
MOTOR
CH4OUTR
16
CH4OUTF
15
M
M101
SPINDLE
MOTOR
3
CH1RIN
2
CH1FIN
6
CH2RIN
5
CH2FIN
23
CH3RIN
24CH3FIN
25CH4INSIN
20
MUTE
MDP
26
SFDR
28
SRDR
29
TRDR
31
TFDR
30
FRDR
33
FFDR
32
SSTP
27
DIGITAL SIGNAL PROC.
D/A CONV.
IC101
DIGITAL SERVO
60
D OUT
29
RFDCI
28
RFDCO
16
FE
18
TE
22VCC
12HOLD SW
RFDC
43
FE
39
TE
41
SE
40
RFAC
51
15
72
L OUT1
DIGITAL
OUT
OPTICAL
CD
DIGITAL OUT
IC201
75
L OUT2
5DATA
B
MAIN
SECTION
R-CH
L OUT
L-CH
7CLOK
6XLAT
2SQCK
9
SCLK
20
SCOR
1
SQSO
66
XTAI
67
XTAO
3XRST
X101
16.9344MHz
CD DATA
35
CD CLK
37
XLT
42
SQ CLK
33
SCOR
19
SQ DATA
32
XRST
43
HOLD
41
TBL ADDRESS
SENSOR
49
T SENS
IC711
48
BU UP/DOWN SW
46OPEN SW
47CLOSE SW
44
MTR CNT2
OPEN/CLOSE
S701
BU UP/
DOWN
S711
45MTR CNT1
MOTOR
DRIVE
9
7
4
2
M
IC701
TURN
MOTOR
M721
(Page 23)
(Page 23)