Sony PMC-222V, Руководство по обслуживанию

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PMC-222V
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— 28 — — 29 — — 30 —
SECTION 5
DIAGRAMS
5-1. BLOCK DIABRAM — CD, VIDEO CD SECTION —
OPTICAL PICK-UP
BLOCK
(KSS-213C/Q-RP)
LD/POWER
CONTROL
Q701
38
VCC CD5V
A
VC
C
B
D
E
F
VC
LD
GND
A
C
B
D
E
F
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
36
34
39
36
35
48
APC
FOCUS PHASE
COMPENSATION
DECODER
SERIAL/
PARALLEL
CONVERTER
FE
AMP
RF
AMP
IIL
TTL
TTL
IIL
COMAND
VC
TRACKING PHASE
COMPENSATION
LD
PD
E
F
PD1
PD2
6
24
23
20
19
22
21
31
25
SENS
RFO
FOK
C OUT
DATA
XLT
CLK
XRST
16 13
FEO TEO SLO
IC703
F/T COIL
SL/SP MOTOR
DRIVER
CD RF/SERVO
PROSSESOR
IC701
18
VCC
CD5V
2
24
T IN
1
27
26
VR
PD PD
18
17
12
11
3
F IN
19
SL IN
15
SP IN
7 MUTE
F+
F
T+
T
SL+
SL
SP+
SP
M
M
MOTOR
M702
SLED
MOTOR
M701
SPINDOL
S701
DOOR
EFM
DEMO.
24
1
76
75
77
78
79
3
CLV
SERVO
DIGITAL
CLV
SUB CODE
PROSSESOR
MDP
CLK
XLT
DATA
SEIN
CNIN
FOK
RF
CD DIGITAL
SIGNAL PROCESSOR
IC702
16
40 EI
E-F
BALANCE
RV702
37
F BIAS
42
TO
FOCUS
BIAS
RV701
TRACKING
GAIN
RV703
2
FI
FOCUS
GAIN
RV704
Q702
16.9344MHz
CPU
I/F
DIGITAL
OUT
32K
RAM
D/A
PROC.
S/P
PROC.
TIMING
GEN 2
TIMING
GEN 1
60
61
34
32
LRCK
PCMD
EMPH
D OUT
35
BCK
XT
AI
34
XT
AO
35
X701
: CD
• Signal Path
SENS
69
D
ATA
71
CLOCK
74
XLA
T
72
70 XRST
SCOR
63
SQSO
66
SQCK
67
44
C2PO
RST
100
74
BCK
MPFG DECODER
U1007
12 R OUT
HSY 17
DAEMP 119
DATA 105
BCK 106
C2PO 103
LRCK 104
VD3
VD7
69
72
74
.
79
.
80
.
82
.
29
22
84
86
.
89
.
.
91
94
.
VD11
VD16
.
VD19
VD23
9
11
15
.
6
8
.
.
HD0
HD7 8
HSEL0 127
HSEL1 128
HSEL2 1
XDS 2
RW 3
DACK 5
XINT 113
XAVRST 101
A0
A1
A2
52 49
38
31
R0/C0
R7/C7
G0/Y0
G7/Y7
CVSY 18
VCLK
15
BEEP 44
96 H SYNC
95 V SYNC
99
VCLK
3
NTSC/PAL SW
48 VIDEO
DIGITAL RGB
NTSC/PAL ENCODER
U1006
Q1001
108 DA DATA
109 DA BCK
107 DA LRCK
111 DA XCLK
BCKI 5
DI 6
LRCI 8
XTI
18
RSTN 22
14 L OUT
1 MUTE
D/A CONVERTER
U1009
MUTE
SWITCH
Q1004,1005
MUTE
Q1003
MUTE
Q1002
16
63
59
57
.
53
23
28
30
.
31
.
34
.
37
39
42
.
MD1
MD15
11
13
15
19
.
16
19
22
.
26
15
.
16
2
5
7
.
10
31
.
34
36
39
.
DQ0
DQ15
MA0
MA9
24
21
23
.
2
.
26
10
3
.
.
27
.
.
1
.
D0
D7
A0
A15
8
4M BIT DRAM
U1004
64KB ROM
U1002
WE 13
CE 20
RAS 14
UCAS 28
LCAS 29
32 XMCEO
47 MWE
51 PASO
48 UCAS
44 LCAS
MA0
MA9
10
16
D1004
D1003
MUTE
68
8
62
HSEL2
63
HSEL1
64
HSEL0
60
DS
61
WR
5
DACK
15
VCD IRQ
67
VCD RST
73
DAXCLK
HD0 HD7
A0 A1 A2
SQCK 18
SQSO 4
SCOR 17
7
BEEP
78
NTSC
9
AMUTE
XLT OUT 20
X1001
40.5MHz
XLT IN 19
33
48
22
29
10
3
25
.
24
.
21
.
23
.
2
26
.
27
.
.
1
A0
A15
.
11
13
15
19
.
D0
D7
A0
A15
D0
D7
8
8
8 16
RAM
U1005
OE 22 21 OE
CCE
16
BUCK
13
BUI
3
BUO
1
3
4 2
1
U1003 U1003
BUI
BUO
BUCK
CCE
SQCK
SQSO
SCOR
CMUTE
XLAT
CLOCK
DATA
SENS
LDON
XRST
DOP
XI
11
XO
12
SYSTEM CONTROL
U1008
X1002
12MHz
A
TUNER, TAPE, AMP
SECTION
: VIDEO
L.P.F
L OUT
R OUT
B
TUNER,
TAPE,
AMP
SECTION
VIDEO VIDEO OUT
NTSC
PAL
S1001
J1001
PUI
S702
LIMIT