DOWNLOAD Sony HCD-DR8AV / HCD-W900AV Service Manual ↓ Size: 9.63 MB | Pages: 90 in PDF or view online for FREE

Model
HCD-DR8AV HCD-W900AV
Pages
90
Size
9.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-dr8av-hcd-w900av.pdf
Date
PREV: Sony STR-DE835 / STR-DE935 / STR-SE591 / STR-V828 (serv.man2) Service Manual

Sony HCD-DR8AV / HCD-W900AV Service Manual ▷ View online

HCD-DR8AV/W900AV
— 23 —
— 24 —
DECK SECTION
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
3
1
IC602
4
REC/PB
EQOUT
REC BIAS
BIAS OSC
T621, Q621, 622
ERASE HEAD
ERASE BIAS
46
48
B IN
A IN
16
PB-A/B
EQIN
38
36
RV301
REC LEVEL
39
RECOUT
BIAS SW
C
N
70
120
DOLBY
TYPE B
+7.5V
Q623
LIN
43
PB
24
18
20
22
40
25
PB OUT
LM ON/OFF
BIAS ON/OFF
RM ON/OFF
  ALC ON/OFF
TC PB L
TC REC L
PB A/B
NORM/HIGH
REC/PB/PASS
REC/PB/PASS
BIAS ON/OFF
RM ON/OFF
15
ALC ON/OFF
RELAY
16
B
MAIN
SECTION
LM ON/OFF
NORM/HIGH
PAS
DOL
P
R
REC/PB HEAD
(DECK B)
DOLBY NR
   IC301
DOLBY NR
HRPE101
RV341
REC
BIAS
32 33
23
NR ON/OFF
NR ON/OFF
17
S1004
A CrO
2
 
S1008
B CrO
2
 
19
A 120/70
B NORM/CROM/METAL
M
CAP MOTOR
 CONTROL
  Q336-343
SPEED
CONTROL
Q1001
SWITCH
Q335
RV1001
HIGH
SPEED
RV1002 
NORMAL
SPEED
M1
CAPSTAN
MOTOR
CAPM CNT2
CAP M H / L
CAPM CNT1
REEL
DETECT
IC1001
A SHUT
B SHUT
REEL
DETECT
IC1002
S1001 (A PLAY)
+5V
S1002 (B PLAY)
A PLAY
B PLAY
A HALF
B HALF/REC A/REC B
S1003
(A HALF)
+5V
+5V
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
(Page 25, 
26, 27)
• R CH : Same as L ch
• SIGNAL PATH
          : PB (DECK A)   
          : PB (DECK B)
          : REC (DECK B)
R CH
CN301
3
1
28 27
26
MS
MS OUT
B TRIG
A TRIG
TRIGGER
 MOTOR
CONTROL
Q331-334
  A DECK/
  B DECK
PLUNGER
•   PLUNGER SOLENOID is supplied 
    as the MECHANICAL BLOCK ASSY.
HCD-DR8AV/W900AV
— 25 —
— 26 —
SPEANA
MD OUT
J701
J704
L-CH SIG
BBA2
BUS OUT2
REC B2
REC A2
BBB2
VD OUT
6
1
VIDEO 2
IN
IN1
IN3
J804
10
2
3
5
C
B
A
VIDEO 1
IN
DVD VIDEO
IN
J702
46
45
28
X
12
14
15
V1, AU,
L-CH IN
X2
X1
X0
J701
13
10 9
B
A
V2, AU,
L-CH IN
J804
FRONT
(L IN)
16
J703
CENTER
IN
J703
REAR
(R IN)
J703
WOOFER
IN
WOOFER
OUT
J703
46 45
IC181 SELECTOR
AV SWITCH
IC191
PHONO
(L IN)
J701
CD 
SECTION
TC PB L
MD (L IN)
69
68
66
IN D2
IN B2
IN A2
SOUND PROCESSOR 1
IC101
IC601
PHONO AMP
65
2
67
IN C2
MIC IN
IN E2
64 IN F2
D OUT 2
KEY IN2
L
LT-IN
MUTE
SWITCH
Q731
D805
MAIN CONTROL
IC501 (1/2)
3
LINE-MUTE
F-RELAY
DBFB-H/L
SW-MODE
RESET
6
12
28
45
46
37
BUF IN2
57
36
39
38
58
L+R
30
MUTE
SWITCH
Q113
VIDEO
OUT
J702
TC REC L
DECK 
SECTION
POWER 
SECTION
MIC-SIG
ST-L
CD-L
J701
B
(Page 24)
A
(Page 22)
C
(Page 30, 
32)
DECK 
SECTION
B
(Page 24)
POWER 
SECTION
E
(Page 29, 31)
DISPLAY 
SECTION
D
(Page 33)
3
1
DISPLAY 
SECTION
F
(Page 33)
F-RELAY
POWER 
SECTION
G
(Page 29, 31)
4
IN2
J702
• R CH: Same as L ch
• SIGNAL PATH
            : FM
            : CD
            : PB
            : REC
            : VIDEO/MD      
FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK
74
C-IN
76
SL-IN
77
SW-IN
79
VRSW-IN
80
SURROUND PROCESSOR
IC201
POWER
SECTION
REAR-L
CENTER
1
3
9
23
22
24
REQ
VOLOUT C
VOLOUT SL
DATA
SCK
MUTE
SWITCH
Q271
MUTE
SWITCH
Q281
M
(Page 29, 31)
59
SUPER WOOFER
72
60
DBFB
POWER 
SECTION
O
(Page 32)
Q115
SWITCH
Q111
SWITCH
Q112
SWITCH
17
VOLOUT SW
34
493-LAT
38
493-DATA
47
493-CLK
48
PL-CLK
23
PL-DATA
24
PL-LAT
25
V_MUTE
28
FUNC_SEL1
45
FUNC_SEL0
46
LATCH 38
DATA 47
CLOCK 48
7
1
3
RESET
GEN
IC800
EVER+5V
INV
Q804
INV
Q803
INV
Q801
INV
Q802
RESET
MAIN (1/2) SECTION
HCD-DR8AV/W900AV
— 27 —
— 28 —
MAIN (2/2) SECTION
MAIN CONTROL
IC501 (2/2)
1
27
93
42
43
18
29
30
81
80
84
82
83
86
85
87
88
90
89
100
91
1
27
93
42
43
STK-POWER
PROTECT
FL OFF
STBY RELAY
HP MUTE
18
29
30
WAKE UP
IIC-CLK
IIC-DATA
93
43
42
1
27
29
30
18
POWER
ECO
STK POWER
PROTECT
HP MUTE
DATA
CLOCK
WAKE UP
IC933
M+7V (UNSW)
PL A+10V
7V
ST +10V
DR8AV ONLY
TC MOTOR+12V
FAN
1
3
1
3
+10V
REG
+12V
REG
IC931
IC932
FAN SWITCH
Q961, 962
+UNREG, 17V
FAN901
Q931
SWITCH
Q932
SWITCH
+7V
REG
1
3
A–7.5V
–V BIAS
2
3
–7V
REG
IC951
UN–10V
Q903
SWITCH
Q904
SWITCH
Q905
SWITCH
Q906
INV
1
3
+7V
REG
IC901
UN+10V
Q901
SWITCH
Q902
SWITCH
TC–7V
–7V
–7
(LED–7V)
A+7.5V
+V BIAS
TC–7V
–7V
–7
(LED+7V)
1
3
+5V
REG
IC911
LED 5V
LED 5V
D+5V UNSW
Q911
SWITCH
Q912
SWITCH
5V
AU D+5V
Q913
SWITCH
D+5V (SW)
A+5V (SW)
EVER +5V
Q921
SWITCH
CD D+5V SW
CD A+5V SW
(CD D+5V SW)
(CD A+5V SW)
(D+5V SW)
1
3
+5V
REG
IC921
Q914
SWITCH
POWER 
SECTION
POWER
SECTION
I
DISPLAY
SECTION
J
72
69
75
73
74
77
76
78
79
57
56
58
59
63
61
4
65
63
65
7
3
68
19
33
32
35
37
20
50
21
49
52
51
53
54
55
BIAS
REC-MUTE
ALC
EQ-H/N
PB-A/B
A-PLAY-SW
B-PLAY-SW
A-HALF
B-HALF
A-SHUT
B-SHUT
TC-RELAY
A-TRG
B-TRG
CAP-M-H/L
CAPM-CNT 2
CAPM-CNT 1
TC-MUTE
AMS IN
R/PB/PAS
NR-ON/OFF
HOLD
SENS
DISC-SENS
XLT
XRST
TBL-R
TBL-L
ENC 3/UP-SW
ENC 2/DISC-LED
SCOR
SQ-CLK
SQ-DATA
CD-DATA
CD-CLK
RDS-INT
STEREO
RDS-DATA
ST-MUTE
ST-CE
TUNED
ST-DOUT
ST-DIN
ST-CLK
36
H/P IN
PL-RELAY
5
CD-POWER
2
POWER
10
XC-IN
11
XC-OUT
13
X-OUT
15
X-IN
IC781
OPTIC
TRANSMITTING
D.OUT
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF
NORM/HIGH
PB A/B
A PLAY
B PLAY
A-HALF
B-HALF/REC A/REC B
A SHUT
B SHUT
RELAY
A TRG
B TRG
CAP-M-H/L
CAPM-CNT 2
CAPM-CNT 1
LM ON/OFF
MS OUT
REC/PB/PASS
NR ON/OFF
HOLD
SENS
X-LAT
X-RST
SCOR
DOUT
SQ-CLK
SQ-DATA
CD-DATA
CD-CLK
RDS-INT
STEREO
RDS-DATA
ST-MUTE
ST-CE
TUNED
ST-DOUT
ST-DIN
ST-CLK
HP.SW
PL-RELAY
POWER
SECTION
H
BD (CD)
SECTION
A
DECK
SECTION
B
X501
32.768kHz
X502
16MHz
W900AV ONLY
L
16
(Page 30, 32)
POWER
SECTION
N
(Page 29, 31)
(Page 22)
(Page 24)
(Page 29, 31)
POWER
SECTION
P
(Page 31)
(Page 33)
(Page 29, 31)
FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK
• R CH : Same as L ch
4
TABLE SENSOR
IC202
LED DRIVER
Q201
M
M201
TABLE
MOTOR
S201
UP SWITCH
D201
DISC No.
MOTOR
DRIVER
IC201
FAN.DET
HCD-DR8AV/W900AV
— 29 —
— 30 —
POWER SECTION (DR8AV model)
F-RELAY
L-CH IN
EVER +5V
MIX MIC
MIC VOLUME
RV850
MIC AMP
IC850 (1/2)
MIC AMP
IC850 (2/2)
STK-POWER
15
12
16
THERMAL
SENSOR
5 6
VOLUME
CONTROL
22
POWER AMP & VOLUME CONTROL
IC801
VOLUME
CONTROL
D802, 852
OVERHEAT
DET
Q831,832
MUTE
SWITCH
Q803,804
SWITCH
Q833
HP-MUTE
PROTECT
16
D804
MIC-SIG
J803
TM401
PHONES
L
R
FRONT
RELAY
DRIVER
Q401-402
R-CH
RY401
–35V REG
Q903,904
VF (–35V)
+VH
-VH
-VH
VF
VF
RECT
D833-836
+UNREG. 12V
UN +10V
UN –10V
RECT
D841-844
+VL
-VL
RECT
D832
RECT
D831
POWER
TRANSFORMER
T951
VOLTAGE SELECTOR
VS901
AC
IN
MAIN 1 
SECTION
G
(Page 26)
MAIN 2 
SECTION
I
(Page 27)
MIC-SIG
HP.SW
DBFB
DISPLAY 
SECTION
K
(Page 33)
MAIN 1 
SECTION
C
(Page 25)
MAIN 2 
SECTION
H
(Page 27)
MAIN 1 
SECTION
O
(Page 26)
JW969
JW971
JW967
JW965 JW966
J801
MAIN 1 
SECTION
E
(Page 26)
MAIN 2 
SECTION
L
(Page 28)
• SIGNAL PATH
            : FM
• R CH : Same as L ch
MUTE
SWITCH
Q103,104
L
R
CENTER
SURROUND
REAR
RELAY
DRIVER
Q403, 407
PROTECT
BUFFER
Q439
FAN.DET
FAN DET
D405-409
R-CH
RY402
PROTECT
DRIVER
Q437
RELAY
SWITCH
Q431
HEADPHONE
MUTE
Q805
TM402
REAR-L
CENTER
PL-RELAY
MAIN 2 
SECTION
N
(Page 29)
MAIN 1
SECTION
M
(Page 26)
PROTECT
DC DET
Q433,434
PROTECT
DET
Q432
DBFB
DET
D803
R-CH
R-CH
SURROUND AMP
IC101
12
14
16
8
9
R-CH
OVERLOAD
DET
Q801
OVERLOAD
DET
Q101
OVERLOAD
DET
Q151
7
THERMAL
SENSOR
OVERHEAT
DET
Q131,132
PRE
-VCC
Q834
SWITCH
-VH
CCC
R-CH
F951
240V - 220V - 120V
F961
F963
F964
F962
E, EA, AR, SP MODEL
AUS MODEL
MX MODEL
E, EA, AR, SP MODEL
• Abbreviation
AUS : Australian model
EA
: Saudi Arabia model
MX
: Mexican model
SP
: Singapore model
AR
: Argentina model
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