Sony WX-800UI Service Manual ▷ View online
WX-800UI
17
3-5. MAIN BOARD
1 two ground point screws
(PTT2.6
u 6)
5 MAIN board
2 screw
(PTT2.6
u 8)
2 screw
(PTT2.6
u 8)
hole
3 claw
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MAIN board
hole
claw
chassis
guide line
heat transfer sheet
4 Remove the MAIN
board in the direction
of the arrow.
of the arrow.
Note 2: The heat transfer sheet must be pasted on
this
this
position.
However, when the MAIN board is
removed, the heat transfer sheet may
adhere to the MAIN board.
Paste the heat transfer sheet on this place
again
then.
Note 1: When the complete MAIN board is replaced, the destination
setting is necessary. Refer to “NOTE THE MAIN BOARD
OR SERIAL FLASH (IC502) REPLACING” on page 4.
OR SERIAL FLASH (IC502) REPLACING” on page 4.
WX-800UI
18
3-6. KEY BOARD ASSY, PANEL FRONT ASSY
6 KEY board assy
2 six screws
(B P-TITE M2)
– Rear view –
CN901
KEY board
guide line
filament tape
(sub material)
(sub material)
Cover the sheet metal.
Note 2: Paste the filament tape to prevent the cable flexible
flat is damaged in touch with the sheet metal.
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Insert is straight to the interior.
OK
Connector is unlock.
Insert is incline.
Note 1: When installing the cable flexible flat (22 core) (FFC2) to the connector (CN901) on the KEY board,
insert straight to the connector and lock a connector completely. No slanting after insertion.
NG
cable flexible flat
(22 core) (FFC2)
(22 core) (FFC2)
connector
cable flexible flat
(22 core) (FFC2)
(22 core) (FFC2)
connector
NG
cable flexible flat
(22 core) (FFC2)
(22 core) (FFC2)
connector
5 filament tape
(sub
material)
4 cable flexible flat
(22 core) (FFC2)
3 Unlock the connector.
(CN901)
Pattern side is lower side.
1 knob (VOL) assy
7 panel front assy
WX-800UI
WX-800UI
19
19
3-7. SERVICE POSITION
CD mechanism deck
CD mechanism deck
insulating sheet
insulating sheet
stand
stand
main unit
main unit
main unit
cable flexible flat (27 core)
(length: 150 mm)
Note 2: Do not cable flexible flat (27 core) is
(length: 150 mm)
Note 2: Do not cable flexible flat (27 core) is
damaged by the edge of the chassis.
cable flexible flat (27 core)
(length: 150 mm)
Note 2: Do not cable flexible flat (27 core) is
(length: 150 mm)
Note 2: Do not cable flexible flat (27 core) is
damaged by the edge of the chassis.
main unit
cable flexible flat (27 core)
(length: 150 mm)
(length: 150 mm)
cable flexible flat (27 core)
(length: 150 mm)
(length: 150 mm)
CD mechanism deck
Note 3: CD mechanical deck should
Note 3: CD mechanical deck should
not be placed vertically.
CD mechanism deck
Note 3: CD mechanical deck should
Note 3: CD mechanical deck should
not be placed vertically.
main unit
cable flexible flat (27 core)
(length: 150 mm)
(length: 150 mm)
CD mechanism deck
Note 4: CD mechanical deck should
Note 4: CD mechanical deck should
not be placed upside down.
OK
OK
NG
NG
NG
Note 1: The service position below cannot be performed with the
cable fl exible fl at (length: 80 mm) used with the unit. Refer to
“NOTE OF PERFORMING THE OPERATION CHECK” in
the servicing notes, and use a long cable fl exible fl at (length:
150 mm).
“NOTE OF PERFORMING THE OPERATION CHECK” in
the servicing notes, and use a long cable fl exible fl at (length:
150 mm).
WX-800UI
WX-800UI
20
20
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM - SERVO/USB Section -
CD MECHANISM
DECK BLOCK
(MG-101CF-188)
A
C
18
57
FPI1
DAO3
54
DAO2
28
RFRP
B
15 FNI2
F
20 TPI
E
21 TNI
PD
24 MDI
LD
25 LDO
1/2VCC
DRV_VREF
22 VRO
FOCUS
31 FOO
TRACK
32 TRO
SL
34 FMO
SP
35 DMO
17 FPI2
27 RFZI
16 FNI1
RF AMP,
DIGITAL SERVO PROCESSOR,
AUDIO DSP
IC705
X501
48MHz
139
USB_X1
140
USB_X2
X502
13.333MHz
71
XT
AL
70
EXT
AL
X503
32.768kHz
67
RT
C
_X
1
68
RT
C
_X
2
X701
16.9344MHz
67
XO
66
XI
27
BSIF_DO
24
BSIF_BCK
44
LRCK_INT
26
BSIF_LR
12
BSIF_GA
TE
16
BSIF_ST_REQ
13
DEC_INT
8
DEC_XMUTE
I2C0_SCL
I2C0_SDA
AUDIO DSP,
SYSTEM CONTROLLER
IC503 (1/3)
AUTOMATIC
POWER CONTROL
Q701
DRV_ON
47 DRV_ON
LOAD
60 MEC_LOAD
EJECT
41 MEC_EJECT
L_SW
57 MEC_LIMIT
D_SW
124 MEC_DSW
IN_SW
51 MEC_INSW
151 DP0
SELF
137 MEC_SELFSW
150 DM0
SERIAL FLASH
IC502
126
125
125
2 SDA
I2C0_SDA
I2C0_SCL
6 SCL
EEPROM
IC1009
90
PIO3
91
PIO4
92
PIO5
89
PIO2
32
DEC_SDOUT_F
42
PIO12
88
PIO1
33
DEC_SDIN_CH0
45
PIO15
29
DEC_BCK_IN
91
PARADISSO_BCK
49
PIO19
43
PIO13
87
PIO0
93
PIO6
6
SP_DA
TA
5
SP_CLK
22
CD_SDI
20
CD_SDO
17
CD_BUSCLK
19
CD_XCCE
10
CD_ZDET
95
PIO8/CDMON0
96
PIO9/CDMON1
79
BUS2
80
BUS3
81
BUCK
82
CCE
15
DSP_SSTBY
37
SRAMSTB
14
DSP_RST
85
RST
94
PIO7
30
DEC_LRCK_IN
48
PIO18
44
PIO14
BUFFER
IC504
R-CH
59
DAO4
70
ADIN1
74
ADIN2
61
DAO5
52
DAO1
R-CH
: USB
: CD PLAY
SIGNAL PATH
: AUDIO
R-ch is omitted due to same as L-ch.
AU_RL_CH
AU_FL_CH
AU_FL_CH,
AU_RL_CH,
AU_SUB_CH
AU_SUB_CH
I2C0_SDA, I2C0_SCL
I2C0_SDA
I2C0_SCL
I2C0_SDA, I2C0_SCL
AU_IN_RCH
AU_IN_LCH
AU_IN_LCH,
AU_IN_RCH
>001B
>002B
>003B
>004B
172
SF1_D1
170
SF1_D0
168
SF1_CLK
169
SF1_CE
166
SF1_D2
167
SF1_D3
2 SO/SIO1
5 SI/SIO0
6 SCLK
1 CS
1 CS
3 WP/SIO2
7 HOLD/SIO3
7 HOLD/SIO3
3
2
D+
D–
CN901
(Page 22)
(Page 21)
(Page 21)
(Page 21)
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