Sony HCD-WZ88D / MHC-WZ88D Service Manual ▷ View online
25
25
HCD-WZ88D
HCD-WZ88D
– MAIN SECTION –
: PB (TAPE)
: REC (TAPE)
: MIC
: AUDIO
: TUNER
: AUDIO IN
• Signal Path
• R-CH is omitted due to same as L-CH.
: MD
I/
i
L
R
VIDEO SAT
IN
TUNER UNIT
L OUT
R OUT
R-CH
ST D OUT
ST DIN
ST CLK
ST CE
TUNED
R-CH
+9V
ST A+9V
J101(1/2)
MIC LEVEL
RV702
DXA-WZ88D(2/3)
PB-L
INC2
38
IND2
37
MIC
2
SOUND PROCESSOR
IC101
HEADPHONE AMP
IC103
J703
R-CH
VRSWIN
R-CH
SURROUND-IN-L
SYSTEM CONTROL
IC401(3/3)
VOLUME
ENCODER
X401
32.768kHz
IC610
15 X-IN
13
4 DIRECTION
SWITCH
S653-655
REMOTE
CONTROL
RECEIVER
IC640
S650
5 DIRECTION
SWITCH
S656
D664-668
10 XC-IN
11
X402
5MHz
X-OUT
XC-OUT
INA2
40
25
OUT2
DBFB
Q101
S661
68
REC B2
35
27
BB A2
INB2
39
ST-DOUT
45
ST-DIN
46
ST-CLK
47
TUNED
43
ST-CE
44
77
HP/REC OUT MUTE
12
RESET
67
VOL A
VOL B
75
DISPLAY KEY
69
71
70
72
4
SIRCS
RESET
1
3
IC251
RESET
SWITCH
Q293
20
AC-CUT
MIC-DETECT
1
76
STBY-LED
D641
PB-R
R-CH
MUTE
Q501
MUTE
CONT
CONT
Q521,523
REC-L
REC-R
R-CH
MUTE
Q502
MUTE
CONT
CONT
Q522,524
TA MUTE
AMS
Q583-585
IC581
3
5
2
IC501
REC
AMP
Q520
55
ALC
56
TC-MUTE
57 REC-MUTE
54 AMS-IN
66
(TA MUTE)
LINE-MUTE
SUR2
F-L
R-CH
D/DCON+9V
41
VACS
Q191
97
VACS IN
SA OUT
19
52
AUDIO-IC-DATA
DATA
21
51
AUDIO-IC-CLK
CLOCK
22
63
HEADPHONE IN
22
ANALOG IN MUTE
MUTE
Q171
MUTE
CONT
CONT
Q272,273
Q278,279
26
BB B2
36
REC A2
L
R
VIDEO SAT
OUT
R-CH
J101(2/2)
MUTE
Q270
3
1
24
SW OUT
R CH
DXA-WZ88D(3/3)
FRONT-R
DBFB FB
IO EXP DATA OUT
IO EXP DATA IN
IO EXP CLK
IO EXP LAT
A SHUT
B SHUT
A TRG
B TRG
HP MUTE
STK MUTE
CN CHECK
EVER +4V
EVER +4V
59
IO-EXP DATA IN
58
IO-EXP DATA OUT
61
IO EXP CLK
60
IO EXP LAT
89
A SHUT
65
STK POWER
53
CN CHECK
90
B SHUT
91
A TRG
88
B TRG
81
FL-DRIVER-DATA
82
FL-DRIVER-CLK
83
63
62
61
60
FL-DRIVER-CS
100
FL-DRIVER-RESET
FUNCTION
FL DRIVER
KEY
FLOURESCENT
INDIDATOR
TUBE
S651-652
S641-644
S641-644
95
AD KEY1
FUNCTION
KEY
94
AD KEY2
74
POWER KEY
S642
73
S643
DISPLAY
(STANDBY)
VOLUME
PUSH ENTER
LED
DRIVE
Q664-668
GRID
DRIVER
Q610,611
VFL
LED-VIDEO/SAT
LED-TAPE A/B
LED-DVD
LED TUNER/BAND
LED-SOUND MODE
LED
DRIVE
Q641
D402
µCOM
+VCC
29 IIC CLK
30 IIC DATA
D+3.3V
I2CDATA
I2CCLK
CN401
JIG
30
IF-DVD-POWER
+9V
REG
1
3
IC901
AU+9V
ST A+9V
HP AMP
PB SW
Q581,582
30
39
µCOM
D+3.3V
D294
D295
D403
D911-D913
LED +9V
+SW9V
+SW5V
D/DCON+9V
UNREG
DVD PWR
CONTROL
CONTROL
Q903,904
RIPPLE
FILTER
Q182
A+4.5V
RIPPLE
FILTER
Q161
D+4V
+9V
REG
1
2
5
5
IC903
D901
+5V
REG
1
2
IC913
DVD AC
DVD AC
AMP +9V
M +9V
FRONT-L
PUSH ENTER
MIC AMP
IC702(1/2)
3
1
MIC AMP
MUTE
DOWNMIX-L
ANALOG-IN-L
IC702(2/2)
6
7
ECHO
AMP
9
2
IC701
+
m
J701
MIC1
MIC2
m
J702
ECHO LEVEL
RV701
+3.3V
REG
1
3
IC906
+SW3.3V
(DMB10)
V +5V
AUDIO
SECTION
(Page 24)
P
29
TOUT
AUDIO
SECTION
(Page 24)
O
AUDIO
SECTION
(Page 24)
M
AUDIO
SECTION
(Page 24)
N
AUDIO
SECTION
(Page 24)
L
R-CH
R-CH
MUTE
CONT
CONT
Q105
MUTE
FL601
DC/DC CONVERTER
T601
FL1
FL2
VFL
RECT
D601 – 604
OSC
Q602
Q602
26
26
HCD-WZ88D
HCD-WZ88D
5-2. PRINTED WIRING BOARD – DMB10 SECTION (SIDE A) –
•
See page 21 for Circuit Boards Location.
:Uses unleaded solder.
IC102
IC101
IC103
IC106
IC104
IC201
C 226
OPTICAL
PICK-UP
BLOCK
(KHM-310CAA)
C
VIDEO
BOARD
CN801
(Page 41)
D
MAIN
BOARD
CN101
(Page 32)
for
CHECK
B
REGULATOR
BOARD
CN506
(Page 37)
for
TEST
A
4CH-VOL
BOARD
CN303
(Page 39)
E
1
5
1
2
18
19
CN302
10
11
12
13
1 5 4 5
C 226
CN 202
1
5
2
4
C 225
R 243
E
MS-203
BOARD
CN001
(Page 41)
C 223
C 228
C 227
R1111
E
EXCEPT
TH
1
2
A
B
C
D
E
3
4
5
6
✩
IC103 (EEP ROM) can not be replaced individually.
Replace it with DMB10 board assembly for service
Replace it with DMB10 board assembly for service
• Semiconductor
Location
Ref. No.
Location
D1001
C-5
D3501
A-4
D3502
A-4
IC101
D-3
IC102
C-3
IC103
C-4
IC104
C-4
IC106
C-5
IC201
D-5
Q103
C-2
Q3801
B-4
27
27
HCD-WZ88D
HCD-WZ88D
5-3. PRINTED WIRING BOARD – DMB10 SECTION (SIDE B) –
•
See page 21 for Circuit Boards Location.
:Uses unleaded solder.
IC3601
IC3711
IC3771
IC3751
IC301
IC3731
IC107
IC105
10
1
11
20
1
3
5
4
S
S
E
E
1
3
4
5
R1555
R308
1
2
A
B
C
D
E
3
4
5
6
R236
R238
R239
S
R237
R222
• Semiconductor
Location
Ref. No.
Location
D3601
B-2
D3602
B-2
IC105
D-5
IC107
B-5
IC301
C-3
IC3601
B-2
IC3711
B-3
IC3731
B-3
IC3751
B-3
IC3771
B-3
Q101
C-5
Q102
C-5
Q2001
E-5
28
28
HCD-WZ88D
HCD-WZ88D
5-4. SCHEMATIC DIAGRAM – DMB10 SECTION (1/4) –
•
See page 45 for IC Block Diagram.
ICT301
JL3503
JL3504
JL3505
JL3506
JL3507
JL3508
JL3509
JL3510
JL3511
JL3512
JL3513
JL3514
JL3515
JL3516
JL3517
JL3518
JL3519
JL3520
JL3521
C3804
C3803
JL4601
C402
C403
JL4602
JL4603 JL4604
JL4605 JL4606
JL4607 JL4608
JL4609 JL4610
FL401
FL402
FB401
FB402
FB403
FB404
FB405
FB406
FL403
CN401
C3610 C3611
C3621
R3611
C3609
L3602
C3605
C3603
R3607
R3603
IC3601
L3601
C3601
R3609
R3606
R3605
R3652
R3651
JL345
JL346
JL347
JL348
JL349
JL344
JL343
JL3653
JL3652
JL3651
C301
C305
C306
D3601
D3602
R319
C307
C302
IC301
R3803
Q3801
C3805
R3805
R3804
C3801
R3741
R3743
C3742
C3741
R3742 R3744
R3745
R3747
R3748
R3746
R3749
C3704
C3703
IC3731
R3739
R3738
R3737
R3736
R3735
C3732
R3733
C3731
R3732
R3734
R3723
R3722
R3724
C3721
C3722
R3725
R3726
R3727
R3728
R3729
R3719
IC3711
R3718
R3717
R3716
R3715
C3712
R3713
R3714
C3711
R3712
R3711
C3702
C3701
R3781
R3783
R3784
R3782
C3781
C3782
R3785
R3786
R3787
R3788
R3789
R3779
IC3771
R3778
R3777
R3776
R3775
C3708
C3707
C3772
R3774
R3772
R3771
C3771
R3761
R3762
R3764
C3761
C3762
R3765 R3766
R3767
R3768
C3764
R3769
R3759
IC3751
R3758
R3757
R3756
R3755
C3706
C3705
C3752
C3751
R3754
R3753
R3752
R3751
CN302
D3501
D3502
C3608
C3607
C3606
C3602
R3601
R3602
R3653
R3802
C3802
C3744
C3734
C3743
C3733
R3721
R3731
C3724
C3723
C3714
C3713
C3784
C3773
C3774
R3773
R3763
C3763
C3754
C3753
C3783
R3621
R314
R3801
47
16V
47
6.3V
0UH
EMI
0UH
0UH
0UH
0UH
0UH
0UH
0UH
5P
0.1
0.01
0.01
100
10
16V
47
6.3V
0.1
0
10k
PCM1803DBR
10
0
0
0
0
0
0.01
0.47
100
6.3V
1SS355TE-17
1SS355TE-17
0
100
6.3V
0.47
AK4358VQ-L
10k
2SC2712-YG-TE85L
47
4V
1k
18k
100
6.3V
2.2k
5.6k
0.0022
0.0015
2.2k
5.6k
4.7k
1k
4.7k
1k
1k
0.1
0.1
NJM3414AV(TE2)
1k
4.7k
1k
1k
4.7k
0.0022
5.6k
0.0015
2.2k
5.6k
5.6k
2.2k
5.6k
0.0015
0.0022
4.7k
1k
1k
4.7k
1k
1k
NJM
3414AV(TE2)
4.7k
1k
1k
4.7k
0.0022
5.6k
5.6k
0.0015
2.2k
2.2k
0.1
0.1
2.2k
5.6k
5.6k
2.2k
0.0015
0.0022
4.7k
1k
1k
4.7k
1k
1k
NJM
3414AV(TE2)
4.7k
1k
1k
4.7k
0.1
0.1
0.022
5.6k
2.2k
2.2k
0.0015
2.2k
2.2k
5.6k
0.0015
0.0022
4.7k
1k
1k
4.7k
470p
1k
1k
NJM
3414AV(TE2)
4.7k
1k
1k
4.7k
0.1
0.1
0.0022
0.0015
5.6k
5.6k
2.2k
2.2k
19P
1SS355TE-17
1SS355TE-17
10 16V
0.1
0.1
0.1
100
100
0
0
10
470p
470
470p
470p
2.2k
2.2k
470p
5.6K
470p
470p
470p
470p
470p
5.6k
5.6k
470p
470
470
470p
100
100
0
*
*
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