Block Diagrams - Sony HCD-DX8 Service Manual

HCD-DX8

7-2. BLOCK DIAGRAMS

FM 75Ω
AM
05
– TUNER/CD SECTION –
TM601
FE602
ANTENNA
FM FRONT-END
8 ANT IN IF OUT 1
F OUT 3
VT 4
RB641
AM FRONT-END
14
13
1 4 11 15
5 5
3 6
2 12
OPTICAL PICK-UP
BLOCK
RF AMP
(KSS-213D/ZN)
IC103
VC 12 VC
+5V
A
5 A RFO 16
B
6 B RFI 17
C
7 C
D
8 D FE 14
E
11 E TE 13
F
10 F
Q101
AUTOMATIC
LD
POWER 3 LD LD ON 22
CONTROL
GND
HOLD SW 21
PD
4 PD
VR
IC102
MOTOR/COIL DRIVE
F+
13 CH1RO CH1RI 3
FOCUS
COIL
F-
14 CH1FO CH1FI 2
T+
11 CH2RO CH2RI 6
TRACKING
COIL
T-
12 CH2FO CH2FI 5
18 CH3RO CH3RI 23
M102
M
(SLED)
17
CH3FO CH3FI 24
16 CH4RO CH4INS 25
M101
M
(SPINDLE)
15 CH4FO
MUTE 20
AM/FM IF MPX
Q601
CF601 CF602
IF
1 FM IF
AMP
B+ SWITCH
T601
Q602
+B A+12V NULL 5 FM DET
PLL
IC651
10 FM FM/AM IF 12 9 IF OUT
FM 7 12 AM/FM
1 XIN AM OSC 14 24 AM OSC OUT
X651
VCO STOP 2 13 VCO STOP
4.5MHz
24 8
XOUT IF REQ 8 IF REQ MUTE
DO
15 FM OSC DO 6
DI
18 VT1 IN DI 4
CL
17 VT1 CL 5
CE
19 PD1 CE 3
20 AM RF IN
9
22
AM OSC
7
23 V REG
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR,
D/A CONVERTER IC201
IC101
OPTICAL
D OUT 60 DIGITAL OPTICAL
OUT
51 RFAC
43 RFDC
L OUT 72
39 FE
41 TE R OUT 75 R-CH
40 SE
14 XLON DATA 5
CLOK 7
XLAT 6
SQCK 2
SCLK 9
SCOR 20
SQSO 1
SENS 8
32 FFDR SSTP 27 S101
(LIMIT)
33 FRDR
XTAI 66
X101
30 TFDR
16.9344MHz
XTAO 67
31 TRDR
29 SRDR
28
SFDR
XRST 3
26 MDP
22 22
LPF601
IC601
BUFFER L-CH
A
L OUT 11 LPF
Q611
MAIN
R OUT 10 R-CH
SECTION
(Page 23)
AM IF IN 18
IFT601
AM MIX OUT 19
FM SD ADJ 3 RV611
FM TUNED
LEVEL
SYSTEM CONTROLLER
24
TUNED 6 TUNED
23
STEREO 7 STEREO
22 ST MUTE
DO
27 ST DIN
DI
26 ST DOUT
CL
28 ST CLK
CE
25
ST CE
CD L
B
MAIN
SECTION
(Page 23)
35 CD DATA
37
CD CLK
42 XLT
33 SQ CLK
19 SCOR
32 SQ DATA
40 SENS
BU UP/DOWN SW BU UP/DOWN SW
43 XRST
41 HOLD
• R-CH: Same as L-CH.
• Signal Path
: FM
: AM
: CD (AUDIO)
: DIGITAL OUT
: CD (VIDEO)
IC401(1/2)
IC701
MTR CNT2 44 9 4
M721
MOTOR
M (TURN)
DRIVE
MTR CNT1 45 7 2
IC711
TABLE ADDRESS
T SENS 49
SENSOR
OPEN SW 46
S701
(OPEN/CLOSE)
CLOSE SW 47
OPEN
CLOSE
S711
48
(BU UP/DOWN)