Sony HCD-WZ88D, Service Manual

Page: 25 / 70

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
Q521,523
REC-L
REC-R
R-CH
MUTE
Q502
MUTE
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
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
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
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
µ
COM
+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
µ
COM
D+3.3V
D294
D295
D403
D911-D913
LED +9V
+SW9V
+SW5V
D/DCON+9V
UNREG
DVD PWR
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
Q105
MUTE
FL601
DC/DC CONVERTER
T601
FL1
FL2
VFL
RECT
D601 – 604
OSC
Q602