Block Diagrams - Sony MHC-DX90 Service Manual

HCD-DX90

7-2. BLOCK DIAGRAMS

TM601
– TUNER/CD SECTION –
FM 75Ω
G
AM
OPTICAL PICK-UP
BLOCK
(KSM-213DAP)
VR
FOCUS
COIL
TRACKING
COIL
1 ANT IN IF OUT 7
OSC OUT 8
VT 5
R601
14
RB641 13
1 4 11 15 9
5 5
3 6 7
2 12
RF AMP
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
LD LD
3 LD LD ON 22
DRIVE
GND
HOLD SW 21
PD
4 PD
IC102
MOTOR/COIL DRIVE
F+
13 CH1RO CH1RI 3
F-
14 CH1FO CH1FI 2
T+
11 CH2RO CH2RI 6
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
Q602 IC601
CF601 CF602
RF IF
1 FM IF
AMP
Q602
+B A+12V
PLL
IC651
AM MIX OUT
10 FM FM/AM IF 12 9 IF OUT
FM 7 12 AM/IF FM SD ADJ
1 XIN AM OSC 14 24 AM OSC
X651
VCO STOP 2 13 VCO STOP
4.5MHz
24 8
XOUT IF REQ 8 IF REQ MUTE
FM/AM DET
DO
15 FM OSC DO 6
DI DI
18 VT1 IN DI 4
CL
17 VT1 CL 5
CE
19
PD1 CE 3
20 AM RF IN
22 AM OSC
23 V REG
DIGITAL SERVO
DIGITAL SIGNAL PROC.
D/A CONV.
IC201
IC101
OPTICAL
CD
D OUT 60 DIGITAL
DIGITAL OUT
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
S101
32 FFDR SSTP 27
LIMIT IN
33 FRDR
XTAI 66
X101
30 TFDR
16.9344MHz
XTAO 67
31 TRDR
29 SRDR
28 SFDR
XRST 3
26 MDP
22 22
LPF601
BUFFER L-CH
A
L OUT 11 LPF
Q611
(Page 23)
R OUT 10 R-CH
AM IF IN 18
IFT601
19
3
RV611
16
21
20
TUNED 6 24
STEREO 17 23
22
DO
27
DI
26
CL
28
CE
25
L OUT
B
(Page 23)
33
37
42
33
19
32
43
41
• RCH is omitted
• Signal Path
: FM
: CD
: DIGITAL OUT
MASTER CONTROL
IC401(1/2)
RDS DATA
RDS INT
TUNED
STEREO
ST MUTE
ST DIN
ST DOUT
ST CLK
ST CE
IC701
MTR CNT2 44 9 4
MOTOR M721
M
TURN
DRIVE
MTR CNT1 45 7 2
CD DATA
CD CLK
XLT
IC711
SQ CLK
TBL ADDRESS
T SENS 49
SENSOR
SCOR
SQ DATA
OPEN SW 46
S701
OPEN/CLOSE
CLOSE SW 47
S711
BU UP/DOWN SW 48 BU UP/
DOWN
XRST
HOLD