Sony HCD-BX7 - Block Diagrams

HCD-BX7/DX7/DX7J
22
22
7-2. BLOCK DIAGRAMS
– TUNER/CD SECTION –
: FM
: CD
• Signal Path
• RCH is omitted
: DIGITAL OUT
FM 75Ω
G
AM
TM601
ANT IN
1
7
IF OUT
8
OSC OUT
5
VT
FE601
DX7,DX7J MODEL
ANT IN
8
1
IF OUT
3
F OUT
4
VT
FE602
US,CND MODEL
ANT IN
1
7IF OUT
8OSC OUT
5VT
FE603
AEP,UK,G,CIS MODEL
JR609
R601
R609
EXCEPT
US,CND
US,CND
MODEL
+B A+12V
Q602
FM
10
FM OSC
15
VT1 IN
18
VT1
17
PD1
19
PLL
IC651
12
FM/AM IF
7
FM
14
AM OSC
2VCO STOP
8IF REQ
6DO
4DI
5
CL
3
CE
XIN
1
XOUT
24
X651
4.5MHz
RF IF
AMP
Q602
CF601 CF602
DO
DI
CL
CE
1
13
3
4
55
122
14
1511
67
9
RB641
19
AM MIX OUT
IF OUT
9
AM/IF
12
AM OSC
24
VCO STOP
13
IF REQ MUTE
8
AM RF IN
20
AM OSC
22
V REG
23
FM IF
1
AM/FM IF MPX
IC601
11
L OUT
10
R OUT
BUFFER
Q611
LPF601
LPF
18AM IF IN
IFT601
16
FM/AM DET
R-CH
A
MAIN
SECTION
31
IC681
MUX
4
XO
14
XI
13
2
DATA
16
INT
RDS
IC682
6
TUNED
17
STEREO
3
FM SD ADJ
AEP,UK,G,CIS
MODEL
RV611
XT681
4.332MHz
RDS DATA
21
RDS INT
20
ST MUTE
22
ST CE
25
ST CLK
28
ST DOUT
26
ST DIN
27
STEREO
23
TUNED
24
MASTER CONTROL
IC401(1/2)
DO
CL
CE
DI
DI
OPTICAL PICK-UP
BLOCK
(KSS-213F)
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
09
Q101
RF AMP
IC103
VC
12
A
5
B
6
C
7
D
8
E
11
F
10
LD
3
PD
4
IC102
MOTOR/COIL DRIVE
CH1RO
13
CH1FO
14
CH2RO
11
CH2FO
12
CH3RO
18
CH3FO
17
M
M102
SLED
MOTOR
CH4RO
16
CH4FO
15
M
M101
SPINDLE
MOTOR
F+
F-
T+
T-
3
CH1RI
2
CH1FI
6
CH2RI
5
CH2FI
23
CH3RI
24CH3FI
25CH4INS
20
MUTE
MDP
26
SFDR
28
SRDR
29
TRDR
31
TFDR
30
FRDR
33
FFDR
32
DIGITAL SIGNAL PROC.
D/A CONV.
IC101
DIGITAL SERVO
60
D OUT
RFAC
51
17
RFI
16
RFO
14
FE
13
TE
22LD ON
21HOLD SW
RFDC
43
FE
39
TE
41
SE
40
XLON
14
72
L OUT
DIGITAL
OUT
OPTICAL
CD
DIITAL OUT
IC201
75
R OUT
5DATA
B
MAIN
SECTION
R-CH
L OUT
L-CH
7CLOK
6XLAT
2SQCK
9
SCLK
20
SCOR
1
SQSO
27
SSTP
66
XTAI
67
XTAO
3XRST
S101
LIMIT
IN SW
X101
16.9344MHz
CD DATA
33
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)