Main Section - Sony HCD-WZ88D Service Manual

– MAIN SECTION –
J101(1/2)
L
VIDEO SAT
IN
R R-CH
IC702(1/2)
MIC AMP
J701
MIC1
3 1
m
J702
MIC2
m
TUNER UNIT
+9V
ST A+9V
L OUT
R OUT R-CH
ST D OUT
ST DIN
ST CLK
ST CE
TUNED
DXA-WZ88D(2/3)
PB-L
Q521,523
PB-R
R-CH MUTE MUTE
Q501 CONT
REC-L
Q522,524
REC-R
R-CH MUTE MUTE
Q502 CONT
PB SW
Q581,582
Q583-585
IC581
AMS
TA MUTE
• R-CH is omitted due to same as L-CH.
• Signal Path
: AUDIO
: TUNER
: AUDIO IN
: MD
: PB (TAPE)
: REC (TAPE)
: MIC
HCD-WZ88D
AUDIO
DOWNMIX-L
N
SECTION
(Page 24) R-CH
AUDIO ANALOG-IN-L
L
SECTION
R-CH
(Page 24)
RV702
MIC LEVEL IC702(2/2)
MIC AMP
6 7
+
RV701
ECHO LEVEL
IC701
ECHO
2 9
AMP
MUTE
IC501
REC
3 2
AMP
5
Q520
IC640
REMOTE
CONTROL
RECEIVER
D+3.3V
I2CDATA
CN401
I2CCLK
JIG
IC401(3/3)
SYSTEM CONTROL
AUDIO
SECTION
(Page 24)
VACS IN 97
AUDIO-IC-DATA 52
AUDIO-IC-CLK 51
Q105
MUTE
HP/REC OUT MUTE 77
HEADPHONE IN 63
Q278,279
MUTE
CONT
1 MIC-DETECT
ANALOG IN MUTE 22
IO-EXP DATA IN
59
IO-EXP DATA OUT
58
IO EXP CLK 61
IO EXP LAT 60
STK POWER 65
A SHUT 89
B SHUT
90
A TRG 91
45 ST-DOUT
B TRG 88
46
ST-DIN
CN CHECK 53
47 ST-CLK
44 ST-CE
FL-DRIVER-DATA 81 63
43 TUNED
FL-DRIVER-CLK 82 62 IC610
FL DRIVER
FL-DRIVER-CS 83 61
FL-DRIVER-RESET 100 60
S651-652
S641-644
FUNCTION
AD KEY1 95
S650
4 DIRECTION
SWITCH
TC-MUTE
55
S653-655
FUNCTION
AD KEY2 94
S656
5 DIRECTION
SWITCH
ALC
56
S661
57 REC-MUTE
VOL A 67 VOLUME
ENCODER
VOL B
68
54 AMS-IN
POWER KEY 74
66 LINE-MUTE
(TA MUTE)
DISPLAY KEY 73
4 SIRCS
LED-SOUND MODE 75
Q664-668
LED-VIDEO/SAT 69
LED
LED-TAPE A/B 71
DRIVE
LED-DVD 70
LED TUNER/BAND 72
30 30 IIC DATA
Q641
29 IIC CLK
LED
STBY-LED 76
DRIVE
10 XC-IN
X401
32.768kHz
XC-OUT AC-CUT 20
11
Q293 IC251
15 X-IN
RESET
RESET 12 3 RESET
X402
SWITCH
5MHz
X-OUT
13
IF-DVD-POWER 30 39
25 25
IC101
SOUND PROCESSOR
37 IND2 REC A2 36
39
INB2
38 INC2
2 MIC
40 INA2
OUT2 25
35 REC B2
Q101
BB A2 27
DBFB
F-L BB B2 26
M
41 SUR2
R-CH
Q191
SW OUT 24
19 SA OUT
VACS
21 DATA
TOUT 29
22 CLOCK
Q272,273
MUTE
CONT
DC/DC CONVERTER
T601
FL1 D/DCON+9V
FL2
RECT OSC
VFL
D601 – 604
Q602
FL601
FLOURESCENT
Q610,611
INDIDATOR
GRID TUBE
DRIVER
VFL
+SW9V
KEY
IC906
+3.3V
3 1
+SW3.3V
REG
(DMB10)
PUSH ENTER
+SW5V
V +5V
KEY
PUSH ENTER
VOLUME
S642
I/
S643
DISPLAY
D664-668
D+4V
D402
µCOM
D+3.3V
µCOM
+VCC
D403
D641
(STANDBY)
D294
1
D295
HCD-WZ88D
J101(2/2)
L
VIDEO SAT
OUT
Q270
R-CH R
MUTE
HEADPHONE AMP
IC103 R-CH
3 1 J703
i
Q171
MUTE
AUDIO
VRSWIN SECTION
P
(Page 24)
SURROUND-IN-L AUDIO
O
SECTION
R-CH (Page 24)
DXA-WZ88D(3/3)
HP MUTE
FRONT-L
R CH FRONT-R
DBFB FB
IO EXP DATA OUT
IO EXP DATA IN
IO EXP CLK
IO EXP LAT
STK MUTE
A SHUT
B SHUT
A TRG
B TRG
CN CHECK
EVER +4V
LED +9V M +9V
D/DCON+9V
D911-D913
DVD AC
IC903
D901
+9V
2 1
REG
5
DVD AC
IC913
+5V
2 1
REG
5
Q903,904
DVD PWR
CONTROL
AMP +9V
IC901
+9V
AU+9V UNREG
3 1
REG
ST A+9V
Q161
RIPPLE
A+4.5V
FILTER
Q182
RIPPLE
HP AMP
FILTER