Sony WX-800UI Service Manual ▷ View online
WX-800UI
WX-800UI
21
21
4-2. BLOCK DIAGRAM - MAIN Section -
6
8
CN301 (1/2)
POWER AMP
IC301
12
5
IN2
FL+
FL–
OUT2+
3
OUT2–
9
OUT1+
7
OUT1–
11 IN1
128 I2C1_SDA
127 I2C1_SCL
127 I2C1_SCL
J001
(ANTENNA IN)
FM/AM RECEIVER
IC001
XTAL_IN
R-CH
33 INF1
31 INR1
30 INS
5 CP1
22
MUTE
16
AC_GND
4
ST_BY
175
ATT
2
AMP_MUTE
28
BEEP
3
AMPSTB
MUTING
Q408
R-CH
5
7
FR+
FR–
2
4
RL+
RL–
R-CH
1
3
RR+
RR–
R-CH
J402
R-CH
R-CH
R
FRONT
AUDIO OUT
L
R
REAR/SUB
L
MUTING
Q404
INPUT SELECTOR, ELECTRICAL VOLUME
IC402
AUDIO DSP,
SYSTEM CONTROLLER
IC503 (2/3)
AU_RL_CH
AU_FL_CH
AU_FL_CH,
AU_RL_CH,
AU_SUB_CH
AU_RL_CH,
AU_SUB_CH
AU_SUB_CH
8 DP1
6 FM_IN_P
5 FM_IN_M
5 FM_IN_M
9 AM_IN_P
36
OUTF1
40
OUTC
38
OUTR1
: AUX
: TUNER
SIGNAL PATH
: AUDIO
R-ch is omitted due to same as L-ch.
28
IG1
27
IG2
AU_IN_RCH
AU_IN_LCH
AU_IN_LCH,
AU_IN_RCH
23
SDA
22
SCL
30
DAC_L
29
DAC_R
24
SDA
25
32
SCL
I2C0_SCL
I2C0_SDA
I2C0_SDA,
I2C0_SCL
X1
12MHz
D1318
>001B
>002B
>003B
MUTING1
MUTING2
>005B
>006B
J901
AUX
D1322
MUTING
CONTROL
Q1310
MUTING
CONTROL
Q1309
MUTING
CONTROL
Q401, 402, 808
MUTING
CONTROL
Q1302
+
R-CH
(Page 22 )
(Page 22)
(Page 20)
(Page 20)
(Page 20)
WX-800UI
WX-800UI
22
22
4-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
REGULATOR
IC803
13
43
VOUT3
VIN0
9
SYNC
23
GA
TE1
44
GA
TE5
2
EN
3
LD4EN
4
ECO
6
ERR2
CN301 (2/2)
26
VIN2
41
VINSW
38
HSW1
VCC
15
9
AMP_REM
33 VOUT0
36 SW2
36 SW2
13
ACC
AUDIO DSP,
SYSTEM CONTROLLER
IC503 (3/3)
J801
(REMOTE IN)
84 RC_IN1
132 RE_IN1
131 RE_IN0
131 RE_IN0
136 SIRCS
83 KEY_IN1
82 KEY_IN0
81 RC_IN0
40 LCD_DO
115 REMOTE1K
35 LCD_CLK
38 LCD_CE
38 LCD_CE
76
RES
108
USB_OVR
49 KEY_ACK1
15
VIN3
16
VIN4
RESET SIGNAL
GENERATOR
IC501
+1.5V
REGULATOR
IC703
+1.2V
REGULATOR
IC805
BU_1.5V
ILL (FP+B)
DR_6V
+3.3V
BU_3.3V
TU_3.3V
20 VOUT4
118
USB_ON
106
PWR_ECO
4
SERVO_ON
42
SYNC_OUT
104
EN_SYS
28 VOUT2
USB_VBUS
P-COM_1.2V
AU_8.5V
ACC_IN 45
BU_IN 56
VBUSIN0 152
VCC
D818
D817
BATTERY
CHECK
Q813
ACCESSORY
CHECK
Q806
BACK UP
VOLTAGE DETECT
Q812, 814
REGULATOR
Q805
REGULATOR
Q804
D502
B+ SWITCH
Q803
POWER
CONTROL
Q801, 802
D802
D816
+6V
REGULATOR
IC804
+3.3V
REGULATOR
IC702
+1.5V
+1.5V
REGULATOR
IC704
7
SDA
8
SCL
I2C0_SCL
I2C0_SDA
I2C0_SDA,
I2C0_SCL
MUTING2
>006B
MUTING1
>005B
>004B
D1319
BUFFER
Q1308
BUFFER
Q1307
LCD DRIVER
IC901
LCD_DATA 64
LCD_CLK 63
LCD_CE 62
LED DRIVE
Q907, 909, 910
LCD901
LIQUID CRYSTAL
DISPLAY PANEL
LED905
(KEY ILLUMINATION)
LED901, 902
(KEY ILLUMINATION)
G
2
B
3
LED DRIVE
Q901 – 903
Q901 – 903
R
1
G
5
B
6
R
4
LED906, 915
(LCD BACK LIGHT)
S [1] – S [48]
SEG1 – SEG48
48
COM [1] – COM [4]
COM1 – COM4
4
LED DRIVE
Q911 – 913
S910 – 917
(FRONT PANEL KEY)
(VOLUME)
ROTARY
ENCODER
RE901 (2/2)
REMOTE CONTROL
RECEIVER
IC902
S901 – 907,
RE901 (1/2)
RE901 (1/2)
(FRONT PANEL KEY)
+3.3V
REGULATOR
IC002
S919
(RESET)
(Page 20)
(Page 21)
(Page 21)
WX-800UI
WX-800UI
23
23
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Indication of transistor.
C
B
These are omitted.
E
Q
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
•
C : Panel designation.
Note: The components identifi ed by mark
0 or dotted
line with mark
0 are critical for safety.
Replace only with part number specifi ed.
•
A : B+ Line.
• Power voltages is dc 14.4V and fed with regulated dc
power supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM)
[ ] : TUNER (AM)
( ) : CD PLAY
[ ] : TUNER (AM)
( ) : CD PLAY
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
AUDIO
f :
TUNER
J
: CD PLAY
d :
USB
E :
AUX
Note:
When the complete MAIN board is replaced, the des-
tination setting is necessary. Refer to “NOTE OF RE-
PLACING THE COMPLETE MAIN BOARD OR SE-
RIAL FLASH (IC502)” on page 4.
tination setting is necessary. Refer to “NOTE OF RE-
PLACING THE COMPLETE MAIN BOARD OR SE-
RIAL FLASH (IC502)” on page 4.
Note:
When the complete MAIN board is replaced, the des-
tination setting is necessary. Refer to “NOTE OF RE-
PLACING THE COMPLETE MAIN BOARD OR SE-
RIAL FLASH (IC502)” on page 4.
tination setting is necessary. Refer to “NOTE OF RE-
PLACING THE COMPLETE MAIN BOARD OR SE-
RIAL FLASH (IC502)” on page 4.
• Waveforms
– MAIN Board –
22.8
Ps
3.3 Vp-p
1
IC705
rk (PIO18)
1 V/DIV, 10
Ps/DIV
4
IC503
yk (RTC_X2)
1 V/DIV, 20
Ps/DIV
30.4
Ps
1.7 Vp-p
5
IC503
ua (XTAL)
2 V/DIV, 50 ns/DIV
75 ns
3.7 Vp-p
6
IC503
<zv/ (USB_X2)
500 mV/DIV, 10 ns/DIV
21.2 ns
0.9 Vp-p
59.4 ns
3.2 Vp-p
3
IC705
yj (XO)
1 V/DIV, 20 ns/DIV
2
IC705
rl (PIO19)
1 V/DIV, 200 ns/DIV
352 ns
3.3 Vp-p
WX-800UI
WX-800UI
24
24
4-4. PRINTED WIRING BOARDS - MAIN Section (1/2) -
•
: Uses unleaded solder.
8
17
25
16
24
1
9
32
1
27
D
D
D
D
S SSG
3
4
2
1
1
176
44
45
88
89
133
132
1
3
1
4
5
3
1
4
5
5
8
1
4
1
22
3
1
4
5
R400
C20
Q1308
R401
C21
R406
R408
C28
FB801
R409
FB802
FB803
R601
R602
R603
R604
C30
R412
R413
R414
R417
R418
VDR1
FB1
R806
D1308
R808
R809
R809
R421
R616
R1117
R812
D1312
C1337
C1338
C1339
R622
R624
R625
R627
R434
R629
C1341
R435 R436
C014
R438
R630
C401
R631
R632
R633
C404
R634
R635
C405
R441
C406
R442
R637
R638
C408
R639
C409
R1329
R447
C1353
R833
R640
R1330
R641
R643
R646
C417
C418
C801
C419
C1361
C803
C804
R650
C425
R656
C1563
CL507
C1564
R658
CL508
C1565
CL509
R659
R850
C814
CL702
CL703
R660
CL511
R662
R857
CL513
CL707
R858
R665
C1572
R666
C1573
C1576
C1577
R860
CL710
CL711
C1385
C2
C1386
C3
C1387
C4
CL521
C441
C5
C442
C6
R1363
C443
C444
CL524
C8
CL525
C446
R1367
CL528
R1368
C831
CL529
R1369
CL1000
C1394
CL1001
C835
C1395
C837
R680
R1370
R681
R683
R684
JL820
JL823
C840
C841
C843
C845
C846
C848
D401
IC001
R1389
IC002
R890
JL1002
R892
JL1003
JL1004
Q701
JL1005
JL1006
JL1007
JL1009
L501
C861
L502
D802
L505
JL1011
C865
D806
C866
C867
JL1013
JL1015
JL1017
JL1018
D811
C873
JL1021
C878
IC804
FB101
FB302
R104
R108
FB501
C1402
C1403
R303
R304
R305
R111
R306
R307
R308
R309
FB703
R501
R502
C1410
CN101
C1411
R312
C1415
R315
R509
L1
L2
R317
L3
L5
R702
L6
R510
R705
L01
R511
R706
R512
R707
R513
R708
R320
FB1304
FB1305
R322
R323
R519
R711
R712
R714
R715
R718
R719
R526
C104
R528
R334
CN701
R335
C106
R336
R337
R720
C109
R721
R722
R723
C300
R727
R534
R535
C305
C307
R538
C308
R539
C309
R07
C500
R731
C501
C502
C503
R540
C310
C504
R541
C311
R542
C312
C507
C313
R1040
C314
R10
R544
C508
R1428
C315
R11
R545
R1429
C316
C317
R13
C700
C318
R548
C319
R549
C702
R16
C704
C705
C511
R19
R741
R1431
X502
R742
R1432
X503
C707
R743
C320
R744
C321
R551
R745
R1435
R552
C322
JL306
C516
C323
JL307
C517
C324
JL308
R21
C325
C519
C326
R557
C328
R558
C711
C329
C712
JL310
C521
C716
C523
C330
C524
C719
C331
C332
R756
C333
C528
R30
R1448
R31
R567
C720
C338
C339
C722
C723
C530
R760
R4
JL709
C531
C533
C340
R8
R1455
C729
C535
R571
C341
C536
R572
C342
C537
C343
R574
C731
R579
C541
JL529
C547
R583
JL721
C549
C743
C744
C746
R1473
C747
C748
C749
R1476
R592
R1477
R593
C559
Q403
R597
Q404
C750
Q407
Q408
C560
R1481
C755
R1482
D502
R1484
C564
R1485
C759
R1486 R1487
C567
R1488
C568
R1489 R1490
C570
C765
Q801
Q802
Q803
Q806
R1497
C772
IC501
IC503
L801
LND01
L802
L803
CL1331
C780
CL1334
C781
X1
CL1335
IC702
C782
IC704
C786
C787
LND101
C10 C11
C12
C13
C15
C16
Q1302
R012
Q1307
D1311
C1584
R14
R15
R27
C24
C25
SERVO
BOARD
BOARD
CD MECHANISM
DECK BLOCK
(MG-101CF-188)
SENSOR
BOARD
OPTICAL
PICK-UP
BLOCK
(DAX-25A)
FFC1
(CHASSIS)
(CHASSIS)
KEY BOARD
CN901
>01P
MAIN BOARD
(COMPONENT SIDE)
1-980-332-
11
(11)
K
A
K
A
K
A
E
E
K
A
E
E
E
E
E
E
K
A
K
A
E
K
E
E
A
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
FFC2
Note 1:
IC001, IC503 and IC804 on the MAIN board cannot
replace with single. When these parts are damaged,
replace the complete mounted board.
replace with single. When these parts are damaged,
replace the complete mounted board.
Note 2:
The service manual of the mechanism deck, used in
this model, has been issued in a separate volume.
Please refer to the service manual of the MG-101 se-
ries for the mechanism deck information.
this model, has been issued in a separate volume.
Please refer to the service manual of the MG-101 se-
ries for the mechanism deck information.
(Page 31)
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