Block Diagrams - Sony MHC-DX50 Service Manual

6-2. BLOCK DIAGRAMS

TUNER/CD SECTION
TM1
FE1
1 ANT IN IF OUT 7
FM 75Ω OSC OUT 8
VT 5
G
AM
10
RB41 1
2
11
9
RF AMP
IC103
27 VC
+5V
6 A RFAC
7 B RFDCO
C RFDCI
8
9 D FE
FEI
10 E
11 F TE
Q101
LD
OPTICAL
LD
1
DRIVE
PICK-UP
BLOCK
(A-MAX.3)
PD
2
IC102
MOTOR/COIL DRIVE
13 CH1RO CH1RI
14 CH1FO CH1FI
11 CH2RO CH2RI
12 CH2FO CH2FI
CH3RO CH3RI
18
M102
M
SLED
MOTOR
CH3FO CH3FI
17
16 CH4RO CH4INS
M101
SPINDLE M
MOTOR
15 CH4FO
MUTING
Q1
CF1 CF2
RF IF
AMP
+B
Q2
+B A+12V RV11
PLL
IC51
10 FM FM 7
AM OSC
15
1 XIN VCO STOP 9
X51
IF REQ 8
4.5MHz
22 XOUT IF IN
12
DO
FM OSC DO
16 6
DI DI
19 A IN DI 4
CL
A OUT CL
20 5
CE
18 PD CE
3
8
7
3
6
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
D/A CONVERTER
IC101
D OUT 60
15 51 RFAC
28 43 RFDC
L OUT
29 72
16 39 FE
R OUT R-CH
17 75
41 TE
18
40 SE
DATA
5
CLOK 7
XLAT
6
SQCK
2
SCLK 9
SCOR
20
SQSO 1
SENS
8
3 33 FFDR
2 32 FRDR SSTP 27
6 31 TFDR
XTAI
66
X101
5 30 TRDR
16.9344MHz
XTAO 67
23 SRDR
29
SFDR
24 28
XRST
3
25 26 MDP
20
AM/FM IF MPX
LPF11
IC11
BUFFER
1 FM IF L OUT LPF
13
Q11
R OUT R-CH
14
AM IF IN 4
IFT11
AM MIX OUT
2
11 AM/IF
AM OSC
24
12 VCO STOP
10 IF REQ MUTING
AM RF IN
21
AM OSC TUNED
23 6
STEREO
7
23 VCC
AFC
22
IC201
OPTICAL
DIGITAL OPTICAL
OUT
L OUT
B
MAIN
SECTION
13 12 1 2
11 10 3 4
9 8 5 6
IC202
Q102
+3.3V
+3.3V DVDD
REG
21 21
L-CH • R-CH is omitted due to same as L-CH.
A
• Signal Path
MAIN
SECTION : FM
: CD
: DIGITAL OUT
MASTER CONTROL
IC501(1/2)
TUNED
3
2 STEREO
21 ST MUTING
DO
25 ST DIN
DI
ST DOUT
23
CL
27 ST CLK
CE
22 ST CE
26 BU PWM2
24 BU PWM3
28 BU PWM1
IC701
LOAD IN 9
44
MOTOR
DRIVE
LOAD OUT 45 7
35 CD DATA
37 CD CLK
42 XLT
IC711
33 SQ CLK
TBL ADDRESS
T SENS 49
SENSOR
19 SCOR
32 SQ DATA
34 SENS
OPEN SW
46
CLOSE SW 47
BU UP/DOWN SW
48
43 XRST
HCD-DX50/RG80
4
M721
M
TURN
MOTOR
2
S701
OPEN/CLOSE
S711
BU UP/
DOWN