Diagrams; Block Diagram - Servo Section - Sony XAV-A1 Service Manual

XAV-A1
SECTION 5

DIAGRAMS

5-1. BLOCK DIAGRAM – SERVO Section –
RF
A/a
B/b
C/c
D/d
E1
E2
F1
F2
VREF
LD DRIVER (CD)
LD-CD
Q1110
LD DRIVER (DVD)
LD-DVD
Q1111
PD
CD-VR
DVD-VR
DVD/CD
SWITCH
DVD CHASSIS
(DVD)
ASSY
Q1105
Q1106
SW1
SW2
F+
FOCUS
F-
COIL
T+
TRACKING
T-
COIL
SL1+
SL1-
M
M
(SLED) SL2+
SL2-
U
V
(SPINDLE)
W
COM
5VCC
HU+
HU-
HV+
HV-
FG
HW+
HW-
VM
INSIDE
XAV-A1
60 XCDRF
49 XCD_A
48 XCD_B
47 XCD_C
46 XCD_D
54 XDVD_A
53 XDVD_B
52 XDVD_C
51 XDVD_D
XIIC-DA/DAC MD/DVDTXD
58 XDPD_A
57 XDPD_B
56 XDPD_C
55 XDPD_D
45 XCD_E
44 XCD_F
34 XVREF21
40 XCDLD
39 XDVDLD
CD/DVD DSP,
MPEG DECODER
IC1102
36 XDVDPD
38 XCDPD
DVD/CD
SWITCH
(CD)
Q1104
17 CD_DVDCT
144 GAINSW
FOCUS/TRACKING COIL DRIVE,
SLED MOTOR DRIVE
IC1101
11 V02+ IN2 5 76 XFOCUS
10 V02-
17 V03+
IN3 23 77 XTRACKING
16 V03-
OP- 21 82 SPINDL
OPOUT 22
13 V01+ VIN1 3 80 XSLEGP
12 V01-
14 V04+
VIN4 25 79 XSLEGN
15 V04-
STBY 8
SPINDLE
MOTOR DRIVE
IC1301
5 A1
PS 20 22 DRVSB
3 A2
2 A3
23 VM ECR 18
22 VCC
7 H1+ FG 21 85 XSFGN
8 H1-
9 H2+
10 H2-
11 H3+
12 H3-
13 VH
15 INSIDE SW
CS581
1
BUFFER
NC
XIECDATA 211 DOUT
IC631
LRCLK
XLRCLK 204 3
SER3
XASDA3 205 2
BCLK
XBCLK 203 1
DASCLK
XDASCLK 201 16
XSDA/MD/TXD
196 13
SCL/MC
195 14
XIIC-SCL/DAC MC
DAC_CS
DAC CS 198 15
5 6
EEPROM
IC1104
DMUTE 199
LOW-PASS FILTER
TVDAC2 3
LOW-PASS FILTER
TVDAC0 8
LOW-PASS FILTER
TVDAC3 2
LOW-PASS FILTER
TVDAV1 7
LOW-PASS FILTER
XOUT 136
X1101
27MHz
XIN-XCLK 135
S1101
SWITCH-C 140
(CHUCKING)
SENSOR LED
DISC IN
BLOCK
DETECT
XTDO 190 MUTING
Q1102
TXD 134
XTDI 194 MUTING
DISC SIZE
DETECT
Q1101
XTMS 193
XTCK 192
LOADING
MOTOR DRIVER
IC1103
4
1 LM+ LD+
M1100
M M
LD- 5
(LOADING) 7 LM–
VR 6
VOLTAGE
CONTROL
Q1103
24 24
• SIGNAL PATH
7 6 7
5 LOW-PASS
FILTER
10
IC1206
D/A
3
CONVERTER
8 2 1 R-CH
IC1207
D1203
12
ZEROL
ZEROR 11 R-CH
D1203
Q1205
Q1207
Q1203
CVBS
Q1206
CVBS2
Q1208
Q1108
XCRESETJ 132
18 SENS-A
ROMDATA0-7
93,95,
97-102
ROMAD0-19
131,129-127,125,
123-116,114-108
Q1107
XROMWEJ 105
20 SENS-B
XROMOEJ 103
MD0-15
163,164,166-169,171,173, 2,4,5,7,8,10,11,13,
154-157,159-162 42,44,45,47,48,50,51,53
MA0-17
177-174,152-148,
146,178,182
11
LOAD+
XBA0 180
12 LOAD-
XBA1 181
XRASJ 183
VD33A
XCASJ
184
DZ1101 XDQM
186
141 XWEJ 185
LOADUP
XCSJ 187
XDMCLK
143
EJECT 13
DVD STB 200
XTOCK 138
SYS CPU TXD 197
: DVD/CD (AUDIO)
: DVD (VIDEO)
DVD_L
A
(Page 25)
MUTING
Q1202
MUTE CONTROL
Q1211,1212
R-CH
DVD_R
B
DVD_G (Page 27)
DVD_B
DVD_CV
C (Page 25)
S-Y
ZEROL
D
MPEG_DI
(Page 27)
CPURST
FLASH MEMORY
IC1106
12 RESET
29,31,33,35,
38,40,42,44
45,25-18,
8-1,48,17-16
11 WE
28 OE
23-26,29-34,
22,35
20 BA0
21 BA1
SD-RAM
18 RAS
IC1105
17 CAS
15 LDQM
39 UDQM
16 WE
19 CS
CLK
38
DVDEJECT
MPEG_REQ
P
(Page 27)
MPEG_CLK
MPEG_DO