Main Section - Sony HCD-VX90AV Service Manual

HCD-VX90AV
– MAIN SECTION –
ECHO PROCESSOR
2 LPF 1 IN
IC712(1/2)
J711
1
MIC 1
J712
RV712
MIC 2
MIC
LEVEL
J101
VIDEO/IN
(AUDIO)
L
MD IN L
MD/VIDEO
(AUDIO)
OUT L
J102
FRONT
REAR
DVD
SW
CENTER
PB L
REC L
RELAY
A SHUT
B SHUT
B HALF/REC A/REC B
A HALF
A PLAY
B PLAY
PB A / B
B NORM/HIGH
BIAS ON/OFF
RM ON/OFF
NR ON/OFF
DECK
REC/PB PASS
SECTION
(Page 24) CAPM CNT1
CAPM CNT2
ALC ON/OFF
LM ON/OFF
CAP M H/L
A TRG
B TRG
MS OUT
ST L
ST-DOUT
FM/AM TUNER
ST-DIN
TUNER UNIT IS
SUPPLED AS THE STEREO
ASSEMBLED
TUNED
BLOCK
ST CE
ST-MUTE
ST-CLK
L CH
TBL. L
TBL. R
SCOR
TRAY SENS
HOLD
SENS
X RST
C
CD DATA
DISC SENS
X LAT
CD
SECTION
OUT-OPEN
(Page 20, 22) ENC-1
ENC-2
ENC-3
LD IN
LD OUT
09
IC711
LPF 2 OUT 9
6 7
IC712(2/2)
2 30
L+R
V
68 EQ Lch
42
AMP
MD
69
64 DVD
SELECT
TC
66
SWITCH
58
TU
67
CD
57
65
R-CH
60 KEY IN2
IC101(1/2)
MICON
EQ
INTERFACE
DOUT2
34 33 32 59
1 2 3
1
2
3
– 25 –
41
IC101(2/2)
VOLUME
38 39
74 1 80 SW
17
REAR L-IN
77 11 10 9
TRIM VOL
79 15 16 TRIM VOL
CENTER IN
76 5 4 3
TRIM VOL
MCU INTERFACE
DATA SCK REQ
IC201
SOUND PROCESSOR
22 23 24
23 PL-CLK
24
PL-DATA
25 PL-LAT
100 TC RELAY
91 A SHUT
90 B SHUT
89 B HALF
88
A HALF
87 A PLAY SW
86 B PLAY SW
84 PB A/B
83
EQ H//N
ST-BY LED/CLOCK OUT
BIAS
82
81
REC MUTE
80 NR ON/OFF
79 R/PB PASS
75 CAPM CNT1
74 CAPM CNT2
85 ALC
78 TC MUTE
76 CAP M H/L
73
A TRG
72 B TRG
77 AMS IN
IC501
38 493-LAT
MASTER CONTROL
47
493-DATA
48
493-CLK
54 ST DIN
50 STEREO
51 TUNED
52
ST CE
49 ST MUTE
53 ST DOUT
ST CLK
55
63
TBL L
65 TBL R
SCOR
19
61 T SENS
57 HOLD
SENS
56
59 XRST
35 CD DATA
60 DISC SENS
58 XLT
OUT OPEN
71
70 ENC1
69 ENC2/DISC-LED
ENC3/UP-SW
68
67 LOAD IN
PROTECTOR
66 LOAD OUT
Lch
36
72
37
J191
SUPER
WOOFER
Q111
MUTE
Q114
DBFB
SWITCH
Q112,113
MUTE MUTE
Q191 Q281, 282
BASS FRQ. 44
DBFB H/L 7
MUTE SW
6
LINE MUTE
Q503
F RELAY 3
WAKE UP 18
39
IIC DATA
30
IIC CLK
29
TIMER LED
26
RESET
12
RESET
MUTE SW
SWITCH
Q502
Q501
AC CUT
22
(CHECK)
3
RESET
IC502
1
D503
+5.6V (STBY)
X-OUT
13
X613
16MHz
X-IN 15
XC-IN 10
X601
32.768KHz
11
XC-OUT
RY-SW 36
POWER 2
CD POWER 5
STK MUTE 1
HP-MUTE 93
27
– 26 –
I 2 C DATA
F
I 2 C CLK
SPE SIG
VIDEO
SECTION
(Page 22)
WAKE UP
E
STANDBY LED
IIC DATA
IIC CLK DISPLAY
SECTION
TIMER LED
(Page 29)
RESET
FRONT L IN
FRONT L-OUT
REAR IN
CENTER IN
FRONT RELAY
D
POWER
SECTION
(Page 27)
• R CH: Same as L ch
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO/MD
RY-SW
POWER ON/OFF
CD POWER
STK MUTE
HP MUTE
SPEAKER PROTECT IN