Read Sony HCD-VX222 / MHC-VX222 Service Manual online
22
22
HCD-VX222
6-2. BLOCK DIAGRAMS
TUNER SECTION
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
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
26
CH3RI
27
CH3FI
23
CH4INS
20
STBY2
MDP
25
SFDR
24
SRDR
30
TRDR
32
TFDR
31
FRDR
34
FFDR
33
DIGITAL SIGNAL PROC.
D/A CONV.
IC101
DIGITAL SERVO
64
D OUT
RFAC
50
17
RFI
16
RFO
14
FE
13
TE
22
LD ON
21
HOLD SW
RFDC
43
FE
39
TE
41
SE
40
DIGITAL
OUT
OPTICAL
CD
DIITAL OUT
PH671
4
DATA
6
CLOK
5
XLAT
3
MUTE
76
SQSO
77
SQCK
7
SENS
27
SSTP
2
XRST
S101
LIMIT
IN SW
IIC DATA
30
IIC CLK
29
XRST
43
XRST
TBL ADDRESS
SENSOR
49
T SENS
IC711
48
BU UP/DOWN SW
46
OPEN SW
47
CLOSE SW
44
LOAD IN
OPEN/CLOSE
S701
UP/DOWN
S711
45
LOAS OUT
MOTOR
DRIVE
9
7
4
2
M
IC701
TURN
MOTOR
M721
9
STBY1
66
PCMD
67
BCLK
65
LRCK
14
C2PO
71
XTAI
65
XTSL
B
VIDEO
SECTION
(Page 24)
(Page 24)
CD DATA
CD BCK
CD LRCK
C2PO
C
VIDEO
SECTION
(Page24)
(Page24)
CD MECHA CONT
IC502(1/2)
30
IIC DATA
DSP DATA
95
8
SCLK
15
SCOR
12
XRESET
DSP CLK
5
DSP LATH
97
DSP MUTE
10
SUBQ DATA
36
SUBQ CLK
37
SENSE
1
SENSE CLK
2
SCOR
18
CTRL1
11
LDON
28
LPH
27
29
IIC CLK
G
VIDEO
SECTION
(Page 24)
(Page 24)
384FS
: FM
: AM
: CD
• Signal Path
• RCH is omitted
: DIGITAL OUT
FM 75
Ω
AM
TM101
ANT IN
1
7
IF OUT
8
OSC OUT
5
VT
FE101
JR109
+B
A+12V
Q102
10
FM OSC
15
VT1 IN
18
VT1
17
PD1
19
PLL
IC102
12
IF
FM/AM
7
FM
14
AM OSC
2
VCO STOP
8
IF REQ
6
DO
4
DI
5
CL
3
CE
XIN
1
XOUT
24
X101
4.5MHz
RF IF
AMP
AMP
Q101
CF101
CF102
T101
DO
D108
DI
CL
CE
1
13
3
4
5
5
12
2
14
15
11
6
7
9
RB101
19
AM MIX OUT
IF OUT
9
AM/IF
12
AM OSC
24
VCO STOP
13
IF MUTE
8
AM RF
20
OSC
22
V REG
23
FM IF
1
FM DET
5
AM/FM
FRONT-END, IFAMP, MPX
IC101
11
L OUT
10
R OUT
AMP
Q103
18
AM IF IN
IFT101
IFT101
16
FM/AM DET
15
MPX
14
MPX
R-CH
MAIN
SECTION
(Page 23)
(Page 23)
6
TU LED
7
ST LED
3
FM SD ADJ
FM SD ADJ
RV611
ST MUTE
22
ST CE
25
ST CLK
28
ST DOUT
26
ST DIN
27
STEREO (IN)
23
TUNED
24
MASTER CONTROL
IC401(1/2)
DO
CL
CE
DI
DI
AM
TRACKING
L-CH
AM
FREQUENCY
COVERRAGE
FM IF
AM IF
A
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