Diagrams; Block Diagram - Servo Section - Sony WX-GT90BT Service Manual

5-1.

BLOCK DIAGRAM - SERVO Section -

CD MECHANISM
DECK BLOCK
(MG-101CA-188)
A
C
B
F
E
1/2VCC
PD
AUTO POWER
LD
CONTROL
Q710
FOCUS
TRACK
SL
SP
D_SW
IN_SW
SELF
LOAD
EJECT
L_SW
DRV_ON
CN971
3
D+
2
D–
1
VBUS-USB
USB_VBUS
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: CD
: USB
WX-GT90BT/GT90BTE/GT99BT
SECTION 5

DIAGRAMS

18 FPI1
17 FPI2
FNI1
16
15 FNI2
20 TPI
CD HEAD AMP,
21 TNI
DIGITAL SERVO PROCESSOR,
AUDIO DSP
IC701
22 VRO
24 MDI
25 LDO
31 FOO
32 TRO
34 FMO
35 DMO
90 91 92 89 88 87 93 96 95
22 25 24 23 4 5 9 14 15
7 MEC_LIMIT
DRV_ON
3
125 DP
127 DM
SUB SYSTEM
CONTROLLER
IC601 (1/3)
130 XO
X601
12MHz
132 XI
FL
DAO3 (F_L-CH) 57
DAO2 (F_R-CH) 54 R-CH
RL
DAO4 (R_L-CH) 59
DAO1 (R_R-CH) 52 R-CH
SUB
DAO5 (SUB-CH) 61
ADIN1 (IN_L-CH) 70
ADIN2 (IN_R-CH) 74
XO 67
X701
16.934MHz
XI 66
/SRAMSTB 37
/RST 85
77 78 79 80 81 82 94
37 38 39 40 41 45 16
MC_TX 58
MC_RX 59
A-ATT 17
CD_XRST 8
DOWNLD_DET 113
RESETn 2
SF_SI 19 2 DO
SF_SO 18 5 DI
SERIAL
SF_CLK 21 6 CLK
FLASH
SF_CE 20 1 CS
IC602
SF_WP 10 3 WP
SF_HOLD 11 7 HOLD
I2C_SDA 61 2 SDA EEPROM
I2C_SCL 60 6 SCL IC704
25 25
FL, RL, SUB
A (Page 26)
PRE_L
B (Page 26)
PRE_R
MAIN SYSTEM
CONTROLLER
IC501 (1/3)
64 DSP_SSTBY
63 DSP_RST
69 MEC_DSW
68 MEC_INSW
16 MEC_SELFSW
41 MEC_LOAD
42 MEC_EJECT
20 MC_RX
22 MC_TX
72 MD_MUTE_IN
71 CD_XRST
99 DOWNLD_DET
59 GHOST_RST
RESET
C (Page 26)
WX-GT90BT/GT90BTE/GT99BT