Sony HCD-XGV6 Service Manual page 24

HCD-XGV6/XGV8/XGV10AV
Q Q
7-2. BLOCK DIAGRAMS 3 7 6 3 1 5 1 5 0
– CD SERVO SECTION –
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
CD D+5V
A
A
PD1
6
RF
AC_SUM
B SUMMING 4
PD2 B
AMP
7
C
C
8
D
∑ A-D
D
9
FOCUS
ERROR AMP
F
I1-6 F
11 F I-V AMP
E
TRACKING
I5-10 E
10 E I-V AMP
ERROR AMP
OPTICAL PICK-UP BLOCK
(A-MAX.3)
LASER DIODE
LD
LD
LD APC LD APC PD
DRIVE 1
AMP AMP
Q101
PD LD
PD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
T E
L 1 3 9 4 2 2 9 6 5 1 3
VO4+
5
M101 MOTOR IN4
M
23
VO4-
SPINDLE DRIVE
10
MOTOR
VREF 22
IN3+
VO3+
1 27
M102 MOTOR
M
VO3- IN3-
SLED DRIVE
2 26
MOTOR
T+ VO2- IN2+
56 32
COIL
TRACKING
VO2+ IN2-
DRIVE
COIL 55 31
T-
F+ VO1- IN1+
52 35
COIL
FOCUS
VO1+ IN1-
DRIVE
COIL
47 34
F-
STBY 8
S101
(LIMIT)
ON: when the optical pick-up
( (
is inner position.
w w w
.
Q102
26
EQ_IN
RFAC
RF EQ
RFAC
3 15 173
AMP
RFDCO
RFDC
28 160
DC
RFDCI
AMP 29
FE
16 164
FE
FEI
17
TE
18 162 TE
163 SE
VDC VDC
14
BUFFER
CLKA
SW 206
12
X502
27MHz
207 CLKB
PD
2
XTAI
149
X501
33.8688MHz
XTAO
150
GPIO9
24
XTSL
189
MDP
133
CE
161
165
VC
SFDR
137
SRDR
138
140
TFDR
141 TRDR
142 FFDR
143 FRDR
SSTP
135
5 9 3 6
GPIO14
DATA DECODERR,
DI 12 30
D/A CONVERTOR
GPIO13
IC506 11 29
CLK
GPIO12
10 28
LD
13 14 15 16 18 19
4 13 2
HUE
SHARPNESS
x a o
y
i
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8
RV501
VIDEO LEVEL
+2.5V
VRF 3
+3.3V
A+5V
D/A
REG
(5W)
CONVERTOR
Q581
IC504
6 5
VCC VDD
DATA
201 2
AUDDTO0 LOUT
DAC 7
LRCK I/F
204 3
AUDLRCK ROUT
BLK DAC 8
AUDBCK 203 1
DATA
13
CLK
14
LAT
GPIO11 26 15
MCLK
205 16
AUDLRCK
SHARPNESS
Y V_IN THRU
BAFFER
CPSIG 6 10
Q301
DIFF
CONTROL
PC
AMP
CD-DSP,
DIGITAL SERVO, SYNC
VIDEO
Q Q
SYNC
MPEG DECODER, DAC OUT
3 7 IN 6 3
SYNC
DETECT
6
IC505
SEPA
IC301
BGP
5
BURST
C VIN VOUT
CSIA 7 1
6
COLOR
TINT
8
HUE CONTROL
IC303
ROM
74 24
NVOEL DE
IC508
DRDQM1 78
A0-A16 DQ0-DQ7
77
DRDQM0
2-12,23, 13-15,
DRCK 70
25-31 7-21
76
DRBS
DRRAS 72
DRCAS 68
DRWEL 73
DRDAT0 49-56,
I
59-66
DRDAT15
DRADR0
34-37,
I
39-45
DRADR10
34-37, 2,4,5,7,8,10,11,13,
SYS RST
16 17 18 20 38 15 39
29-34 42,44,45,47,48,50,51,53
81
DQ0-DQ15
A0-A9
SDRAM
IC507
u 1 6 3
.
24 24
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9 2 4 9 8
• R-ch is omitted due to same as L-ch.
• Signal Path
: CD PLAY (ANALOG)
: VIDEO
LPF
IC102
CD-L
5 7 A (Page 26)
3 1 R-CM
VIDEO AMP
CONTROL
IC307
IC304
1 3
Y/C MIX BUF
OUT
V_OUT
+ IN
BUFFER
8 6
1
Q302
5
2
STB
CONT
5
+4.5V
RIPPLE FILTER
(IC103)
Q201
1 5 DELAY 1 5 0 8 9 2 4
3 1 10 Q370
IC302
+2.5V REG
+2.5V 3 1
IC201
+3.3V REG
+3.3V
IC202
33
DISC TABLE
TBL-SENS SENSOR
49
IC202
BU UP/DW SW 48
S201
(UP SWITCH)
LED DRIVE
LED-DISK 47
Q201
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (1/4)
Q412
MTR-CTRL1 44 1
MTR-CTR2 45 9
Q411
35 36 37 32 19 40 43
m
c o
2 9 9
G
(Page 26)
VCD-VIDEO
9 8 2 9 9
D+5V
(SW)
D201
(DISC No.)
TABLE MOTOR DRIVER
IC201
IN2 OUT2
3
MOTOR M201
M
DRIVE (TABLE)
IN1 OUT1
7