Sony Vx8 Owners Manual

HCD-VX8/VX8J
Ð 23 ÐÐ 24 Ð
Ð DECK SECTION Ð
IC611
R CH HP101
PB HEAD
(DECK A)L
R
RV311
PLAYBACK
LEVEL
DECK A
IC601
R CH L
R
RV301
PLAYBACK
LEVEL
DECK B
31IC602
4
REC/PB
EQOUT
REC BIAS
BIAS OSC
T621, Q621, 622
ERASE HEADERASE BIAS
4648B INA IN
16
PB-A/B
EQIN
38
36
RV301
REC LEVEL
39
RECOUT
BIAS SW
C
M
70
120
DOLBY
TYPE B
+7.5V
Q623
RIN
44
PB
241820224025 PB OUT
LM ON/ 
OFF
BIAS ON/OFFRM ON/OFF
  ALC ON/OFF
PB L
REC L PB A/BNORM/HIGHREC/PB/PASSBIAS ON/OFFRM ON/OFF
15
ALC ON/OFFRELAY
09
BMAIN
SECTION LM...

HCD-VX8/VX8JÐ MAIN SECTION Ð
Ð 25 Ð
Ð 26 Ð
MUTE
Q191
DBFB SPE SIG
IIC DATA
IIC CLK
RESET
FRONT
F RELAY
CD POWER
STK MUTE
314
11
5960
34
9140100
90
89
88
87
86
84
83
D503RESET
SWITCH
Q501
RESET
IC502
+5.6V
1315
X613
16MHz
12221011
09
51 CD POWER
STK MUTE 48
54
50
51
52
49ST DIN
STEREO
TUNED
ST CE
ST CLKST MUTE
ST DOUT L+R/L-R
TC RELAY
TC MUTE A PLAY SW
B PLAY SW
65
19
61
57
56
59
37
35
60
33
32
58TBL L
TBL R
SCOR
T SENS
HOLD
SENS
XRST
CD CLK
CD DATA
DISC SENS
SQ CLK
SQ DATA
XLT7
6 DBFB H/L
LINE MUTE
30
29...

HCD-VX8/VX8J
Ð 27 ÐÐ 28 Ð
Ð POWER SECTION Ð
• R CH : Same as L ch
• SIGNAL PATH
          : FM
• Abbreviation
  EA
  SP
  MY
  HK
  TW 
  IA : Saudi Arabia model.
: Singapore model.
: Malaysia model.
: Hong Kong model.
: Taiwan model.
: Indonesia model.
Rch
Rch
PROTECT
CONTROL
Q432 - 434RY401
THERMAL
DET
Q831, 832
THP831OVER LOAD
DET
Q801
Rch POWER AMP
IC801
FRONT F RELAY
DBFB
STK MUTE
E,EA,MY,SP,HK,TW,IA
16
18
14
PHONESJ701
Rch
FRONT
FRONT
SPEAKERTM401SURROUND
SPEAKERTM402
Rch
FAN MOTOR
DRIVER
Q401,...

HCD-VX8/VX8JÐ DISPLAY SECTION Ð
Ð 29 ÐÐ 30 Ð
X601
12.5MHz
33 - 40, 42 - 44 46 - 67
FL601
FLUORESCENT INDICATOR TUBE
VF 72
70XOUT
LINE IN XIN11
14
KEY 0
KEY 3JOG A
JOG B
2
8
       
SIRCS  L SEL
1
DISPLAY CONTROL
IC601 I
2C DATA
I2C CLK       78
79
73
RESET
LED
SWITCH
PANEL LED
REMOTE
CONTROL
RECEIVER
IC602LED
CONTROL
Q603
DJ MUTE
DJ SIG ROTARY
ENCODER
KEY
MATRIX
+5V (LED)
SEG1-SEG22GR2-GR12
9
10 VOL A
VOL B
ROTARY
ENCODER
VOLUMES602S601
(JOG)
Q601,602
16
17
18
19 S LOW (F01)
BPF1 (F02)
BPF2
BPF3
BPF4
09...

HCD-VX8/VX8J
Ð 31 ÐÐ 32 Ð
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.Note:
¥ All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
¥ All resistors are in W and 
1/4
 W or less unless otherwise
specified.
¥
¢
: internal component.
¥2: nonflammable resistor.
¥1: fusible resistor.
¥C: panel designation.
For printed...

HCD-VX8/VX8J8-3. PRINTED WIRING BOARD Ð CD SECTION Ð
¥ See page 18 for Circuit Boards Location.
Ð 33 Ð
Ð 34 Ð
(Page 42) 

HCD-VX8/VX8J
Ð 35 Ð
Ð 36 Ð
8-4. SCHEMATIC DIAGRAM Ð CD SECTION Ð
¥ See page 31 for Waveforms.
¥ See page 77 for IC Block Diagrams.
¥ See page 80 for IC Pin Functions.
(Page 43) 

HCD-VX8/VX8J
8-5. SCHEMATIC DIAGRAM Ð DECK SECTION Ð
Ð 37 Ð
Ð 38 Ð
(Page 55) 

HCD-VX8/VX8J
Ð 39 Ð
Ð 40 Ð
8-6. PRINTED WIRING BOARD Ð DECK SECTION Ð
¥ See page 18 for Circuit Boards Location.
(Page 49)
1 C B
A
2 3 4 5 6 7 8 9 10 11 12 

HCD-VX8/VX8J
8-7. PRINTED WIRING BOARD Ð VIDEO SECTION Ð
¥ See page 18 for Circuit Boards Location.
¥ Semiconductor
LocationRef. No. LocationD301 E-1
D501 D-3
D502 A-3
IC101 A-1
IC401 E-3
IC504 A-1
IC505 C-2
IC507 C-1
IC509 B-1
Q301 E-1
Q304 D-3
Q306 E-1
Q307 E-2
Q308 E-2
Q310 E-2
Q502 D-3
¥ Semiconductor
LocationRef. No. LocationIC501 C-2
IC502 B-1
IC506 C-3
Q302 E-3
Q303 D-1
Q453 E-2
Q454 E-2
Q531 D-1
Ð 41 Ð
Ð 42 Ð
(Page 34)(Page 50)