Sony HCD-VX222 / MHC-VX222 Service Manual ▷ View online
21
21
HCD-VX222
6-1. CIRCUIT BOARD LOCATION
• WAVEFORMS
– MAIN BOARD –
– PANEL BOARD –
– BD BOARD –
TRANS board
SUB TRANS board
MAIN board
POWER AMP board
PANEL board
KEY board
BD board
DRIVER board
MOTOR board
ADDRESS SENSOR board
VIDEO OUT board
VIDEO board
4
IC101 wg (MDP)
2
IC101 ra
(TE)(CD Play mode)
1
IC101 t;
(RFAC)(CD Play mode)
3
IC101 el
(FE)(CD Play mode)
2.6 Vp-p
15.1
µs
0.2 Vp-p
0.5 Vp-p
1.3 Vp-p
1
IC102 wf STOP MODE
4.1Vp-p
4.5MHz
2
IC401 qd STOP MODE
3
IC401 qa STOP MODE
4.0Vp-p
16.0MHz
3.0Vp-p
32.768kHz
1
IC701 4 STOP MODE
5.3Vp-p
5MHz
4
J301 3 (COUT)
9
IC505 (VCK-IN)
7
IC505 od (VSYNC)
8
IC505 (HSYNC)
3
J301 4 (YOUT)
1
IC502 qd (XOUT)
37 nsec
4.6 Vp-p
10 MHz
3.5 Vp-p
20 ms
3.2 Vp-p
64
µs
2.0 Vp-p
H
H
2.0 Vp-p
5.4 Vp-p
101
106
2
IC502 wh (BGP)
5
CN301 2 (VIDEO OUT)
6
IC505 ih (DA-XCLK)
3.6 Vp-p
17 MHz
q;
IC505 (DA-LRCK)
108
qa
IC505 (DA-BCK)
111
qs
IC509 w; (384FSO)
qd
IC509 wf (XT2)
qf
IC509 4 (MCKO)
4.5 Vp-p
H
1.3 Vp-p
H
4.5 Vp-p
22.7
µs
4.5 Vp-p
472 ns
5.0 Vp-p
59 ns
2.0 Vp-p
37 ns
5.2 Vp-p
37 ns
– VIDEO BOARD –
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
23
23
HCD-VX222
MAIN SECTION
R-CH
RESET
: FM
: CD
: VIDEO
• Signal Path
• RCH is omitted
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
TUNER
SECTION
(Page 22)
(Page 22)
VIDEO
SECTION
VIDEO
SECTION
(Page 24)
(Page 24)
GAME
IN
J703
MIC1
RV703
MIC
LEVEL
RV702
ECHO
LEVEL
LEVEL
L
+
+
R
L
R
L
R
24
OUT L
MUTE
Q301
Q301
MUTE
CONT
CONT
Q361,362
POWER
AMP
IC501
1
12
6
7
MUTE
DRIVE
DRIVE
Q581
MUTE
BUFFER
Q503,504
OVER LOAD
DETECTOR
Q501
D502
DC
DETECT
Q381,382
PROTECT
CONT
Q383
RERAY
DEIVE
Q384,385
PROTECT
SWITCH
Q386,387
MUTE
CONT
CONT
Q365
MUTE
Q363
PHONES
R CH
R CH
L
R
JK302
SPEAKER
IMPEDANCE
USE 6-16
Ω
67 B REC REV
89 A SHUT
71 B PLAY
70 A PLAY
69 B HALF
68 A HALF
A TRIG
DRIVE
CAPSTAN MOTOR
CAPM+
RV661
MOTOR
SPEED
MOTOR
SPEED
B-SOL
A-SOL
REC(REV)
A-PHOTO
A-MODE
B-MODE
A-HALF
B-HALF
DRIVE
Q605,606
Q601,602
B TRIG
DRIVE
DRIVE
Q603,604
A TRIG
60
B TRIG
61
CAP M CONT
65
POWERKEY
74
POWER
97
LED
S7
S29
G0
G11
34
LED
33
LED
32
LED
31
LED
30
LED
29
LED
28
GR OOVE
35
KEY 0
22
KEY 1
21
KEY 2
20
DVD 5.1
26
DISPLAY KEY
73
LED
DRIVER
FLUORECENT
INDICATOR TUBE
FLD1
Q701
EVER 5.7V
F1
F2
VP (-30V)
F2
VP (-30V)
IC401(2/2)
IC302
MASTER CONTROL
SURR AMP
IC701
DISPLAY CONTROL
83
LINE MUT
84
STK MUT
88
FRONT-RELAY
85
PROTECT
10
XC IN
11
XC OUT
15
X IN
13
X OUT
32.768kHz
X601
16MHz
X602
3
X1
4
X2
5MHz
RES701
T911
JW911
S901
F919
E,EA,IA,SP,TW
E,EA,IA,SP,
TW
F914
E,EA,IA,SP,TW
E,EA,IA,SP,TW
E,EA,IA,SP,TW
-V
REG
+5V
REG
Q911,D911-913
D541
VP (-30V)
+B
-B
POWER
AMP
D681-684
EVER +5.7V
F1
AC1
AC1
AC3
AC3
AC4
AC4
F2
D902-905
AC
IN
IN
RELAY
DRIVE
DRIVE
Q901
IC901
T901
3
1
+5.7V
REG
1
3
RY901
+12V
REG
3
1
+9V
REG
3
1
CD POWER
SWITCH
+5V
REG
3
1
IC681
Q681,682
IC682
IC683
IC684
D+5V(SW)
A+5V(SW)
RDS +5V
BD +5V
EVER +5V
EVER +5.7V
D +5V
+5V(SW)
MIC +12V
+9V
M+7V
+7V
D687-690
D686
D667
D661
D669
D670
STBY RELAY 86
38
CD POWER
RESET 12
3
1
Q661
IC661
D383
D691-693
D664
D543
D542
JW912
JW6
JW3
JW1
66 B REC KEY
REC(FWD)
90 B SHUT
B-PHOTO
A
F
D
R-CH
VIDEO
VIDEO SW
R-CH
(Page 24)
VIDEO
SECTION
E
(Page 24)
L-CH
LOUT
L-CH
J301
R-CH
R-CH
L-CH
R-CH
ERASE
L-CH
L-CH
JK704
INPUT SELECT
TONE/VOL CONT
IC301
TUNER L
43
CD L
42
MD L
47
REC L
51
32
24
OUT R
R CH
31
MIC
56
TC RELAY
MIC AMP
IC702
(1/2)
AMP
IC702
(2/2)
IC703
R-CH
19
6
9
2
1
11
5
AMC
DETECT
BUFFER
Q213
Q229
Q226
REMOTE
CONTROL
RECEIVER
RECEIVER
SEN701
Q210,211
D203,204
D203,204
A/B
Q217
Q227
Q222,225
D206
MIC +12V
Q220,221
BIAS OSC
Q223,L201
Q224,228
5
6
81
80
82
91
59
58
57
78
79
72
76
77
VIDEO SW2
94
75
A
B
PB
REC
IC201
Q214
39
38
37
36
35
34
TAPE/ L
45
INLE GAME
49
DPLL1
DPLL2
57
58
D302
BPOUT
C
B
A
SCK
SI
–A DECK–
HP101
PLAYBACK
HEAD
–B DECK–
HRPE101
RECOD/
PLAYBACK/
ERASE
HEAD
CASETTE
DECK
UNIT
BIAS
PB A/B
AMS
REC-MUTE
PB MUTE
3878-DAT
3878-LAT
3878-CLK
SP LATA
SP LATB
SP LATC
SP VACS
SUR3
SUR2
SUR1
7
REC/ PB AMP
ECHO AMP
J702
MIC2
VIDEO
AUDIO
OUT
IN
MOTOR H
MOTOR L
S701
`/1
D701
`/1
S726
DISPLAY
37-58, 61-68
69-80
LED DRIVER
Q702-709,712
KEY MATRIX
S702-712
S713-725
S727-738
S713-725
S727-738
VOL
13
VOL
14
VDD
25
REMOTE IN
4
RESET
M-RESET
6
41
SBSY
S-BSY
10
3
S
S-LCK
7
2
S
S-OUT
9
1
S
S-IN
8
100
HEADPHONES
17
D702-709,711,
D716-720
ROTARY
ENCODER
VR701
VOLUME
+5V (SW)
D713
EVER +5V
D685
E91,TH
E91,TH
JW4
S901
VOLTAGE SELECTOR
230-240V
r
220V
r
120V
RY371
J701
F920
3
2
1
10
7
CONT3
CONT2
BR/SR
L-OUT
L-IN
MD/VIDEO
(AUDIO IN)
(AUDIO IN)
LPF2 OUT
2
9
LPF IN
g
24
24
HCD-VX222
VIDEO SECTION
CD MECHA CONT
IC502(2/2)
3
RESOLUTION
4
CHROMA LEVEL
26
BGP
32
1
4
13
10
5
8
DATA1 I
31
DATA1 O
22
DF LATH
33
CLK1
25
H SYNC
BUFFER
Q501
20
HINT
45
V SYNC
BUFFER
Q502
21
HSEL
23
HRDY
24
RESET
65
V MUTE
HD OUT
112
HD IN
119
HCK
111
H SYNC
101
V SYNC
93
HINT
114
HSEL
121
HRDY
113
RESET
60
CD DATA
CD DATA
4
CD BCK
CD BCK
3
CD LRCK
5
CD C2PO
CD LRCK
C2PO
6
MPEG VIDEO/AUDIO DEC
LEVEL SHIFT
IC501
VIDEO SIGNAL PROC
IC505
MD
9
MC
8
ML
7
DATA
18
BCK
17
LRCK
19
384FSO
20
MCKO
4
110
DA DATA
11
DA BCK
86
DA XCLK
106
VCK
75
C OUT
DIGITAL FILTER
D/A CONV
IC509
108
DA LRCK
IC104
IC504
27MHz
RSTB
10
14
V OUT L
11
V OUT R
1
XT1
24
XT2
L.P.F
IC101
R-CH
X503
27MHz
MAIN
SECTION
(Page 23)
(Page 23)
L-CH
TUNER
SECTION
(Page 22)
(Page 22)
384FS
L.P.F
VIN
1
BGP
5
6
VOUT
C AMP
IC302
TINT
8
VIN
10
CCT
5
1
VOUT
Y AMP
IC303
69
Y OUT
TUNER
SECTION
(Page 22)
(Page 22)
CD DATA/CD BCK/CD LRCK/C2PO
TUNER
SECTION
(Page 22)
(Page 22)
XRST
DEVICE RST
77
S VIDEO
OUT
J301
4
3
2
1
Y IN
2
1
4
3
2
5
7
C IN
7
MUTE A
1
MUTE B
8
VIDEO AMP
VIDEO SW
VIDEO
IC304
VIDEO SELECTOR
IC704
15
Y OUT1
9
C OUT
12
MIX OUT1
11
MIX OUT2
14
Y OUT2
VIDEO
OUT
J705
: VIDEO
• Signal Path
: CD
MD0
MD15
54
52
50
48
.
46
58
56
.
.
44
17
19
21
.
23
.
10
15
.
29
.
.
MA0
MA10
16
19
22
26
.
DQ1
DQ16
A0
A8
RAS
14
UCAS
28
LCAS
29
WE
13
DRAM
IC507
DQ1
DQ16
A0
A8
CE
22
MICRO ROM
IC506
12
5
27
.
26
23
.
.
17
21
25
.
4
.
13
15
.
28
29
3
.
.
2
30
.
.
.
42
RAS0
40
CAS
38
MWE
37
MCE
11
10
IC301
C
Y
7
10
31
.
34
.
2
5
.
36
34
MAIN
SECTION
(Page 23)
(Page 23)
MAIN
SECTION
(Page 23)
(Page 23)
D
C
B
G
E
F
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