DOWNLOAD Sony HCD-DR7AV / HCD-XB800AV / LBT-DR7AVS Service Manual ↓ Size: 9.81 MB | Pages: 90 in PDF or view online for FREE

Model
HCD-DR7AV HCD-XB800AV LBT-DR7AVS
Pages
90
Size
9.81 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-dr7av-hcd-xb800av-lbt-dr7avs.pdf
Date
PREV: Sony TA-FB730R Service Manual

Sony HCD-DR7AV / HCD-XB800AV / LBT-DR7AVS Service Manual ▷ View online

HCD-DR7AV/XB800AV
– 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
D
M
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
BIAS ON/OFF
RM ON/OFF
15
ALC ON/OFF
RELAY
09
B
MAIN
SECTION
LM ON/OFF
NORM/
HIGH
PAS
DOL
P
R
REC/PB HEAD
(DECK B)
X
DOLBY NR
   IC301
DOLBY NR
HRPE101
RV341
REC
BIAS
32
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.
31, 33
HCD-DR7AV/XB800AV
– 25 –
– 26 –
SPEANA
REC OUT
J701
L-CH SIG
BBA2
BUS OUT2
REC B2
REC A2
BBB2
VD OUT
6
1
VIDEO 2
IN
IN1
IN4
IN3
J804
10
2
3
5
C
B
A
VIDEO
IN
J702
46
45
28
X
12
14
15
R, AUDIO
(L IN)
X2
X1
X0
J701
13
10
9
B
A
V2, AU,
L-CH IN
J804
FRONT
(L IN)
09
J703
46
45
IC181 SELECTOR
IC191
AV SWITCH
PHONO
(L IN)
J701
CD 
SECTION
TC PB L
MD (L IN)
69
68
66
IN D2
IN B2
IN A2
IC101
SOUND PROCESSOR 1
IC601
PHONO AMP
65
2
67
IN C2
MIC IN
IN E2
64 IN F2
B OUT 2
IN F2
MUTE
SWITCH
Q804
MUTE
SWITCH
Q803
RESET
SWITCH
Q802
D807
MAIN CONTROL
IC501 (1/2)
6
3
LINE-MUTE
F-RELAY
7
23
25
28
34
24
38
44
47
45
DBFB-H/L
PL-CLK
PL-LAT
V-MUTE
SW-MODE
PL-DATA
493-LAT
BASS FREQ
493-DATA
FUNC-SEL1
22
AC-CUT
46
FUNC-SEL0
48
493-MUTE
RESET
7
23
25
28
34
24
38
44
47
45
46
48
44
34
37
BUF IN2
SWITCH
Q114
SWITCH
Q115
7
(TA-MUTE)
SWITCH
Q111
SWITCH
Q112
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)
TC REC L
3
1
DISPLAY 
SECTION
F
(Page 33)
F-RELAY
POWER 
SECTION
G
(Page 29, 31)
• 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
11
IC201
SOUND PROCESSOR 2
IC101
AF AMP
POWER
SECTION
REAR-L
CENTER
1
5
10
4
9
3
TRIM
VOL
TRIM
VOL
22
23
24
24
23
25
REQ
SCK
DATA
MUTE
SWITCH
Q281
MUTE
SWITCH
Q271
(TA-MUTE)
10
14
6
7
M
(Page 29, 31)
59
60
– MAIN (1/2) SECTION –
HCD-DR7AV/XB800AV
– 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
FAN DETECTOR
D405-409
IC933
M+7V (UNSW)
PL A+10V
7V
ST +10V
DR7AV
TC MOTOR+12V
FAN
1
3
1
3
+10V
REG
+12V
REG
IC931
IC932
FAN SWITCH
Q961, 963
+UNREG, 12V
FAN901
2
Q931
SWITCH
Q932
SWITCH
+7V
REG
1
3
A–7.5V
–V BIAS
2
3
–7V
REG
IC951
UN–10V
Q931
SWITCH
Q932
SWITCH
Q932
SWITCH
1
3
+7V
REG
IC901
UN+10V
2
Q901
SWITCH
Q902
SWITCH
2
DETECTOR
Q905
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
2
Q901
SWITCH
Q902
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
5
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
65
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
TRAY.SENS
X-LAT
X-RST
TBL.R
TBL.L
UP SW
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
HP.SW
PL-RELAY
POWER
SECTION
H
BD (CD)
SECTION
A
DECK
SECTION
B
X501
32.768kHz
X502
16MHz
XB800AV
ONLY
L
09
(Page 30, 32)
POWER
SECTION
N
(Page 29, 31)
(Page 22)
(Page 24)
(Page 29, 31)
(Page 33)
(Page 29, 31)
FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK
• R CH : Same as L ch
4
HCD-DR7AV/XB800AV
– 29 –
– 30 –
– POWER SECTION – (DR7AV model)
F-RELAY
L-CH IN
EVER +5V
MIX MIC
MIC VOLUME
RV850
MIC AMP
IC850 (1/2)
8
2
LPF 1 OUT
LPF 2 OUT
ECHO CONTROL
IC851
11
9
LPF 2 IN
OP 2 IN
10
OP 2 OUT
1
LPF 1 IN
MIC LEVEL
RV851
MIC AMP
IC850 (2/2)
STK-POWER
15
13
12
8
THERMAL
SENSOR
5
6
VOLUME
CONTROL
22
POWER AMP & VOLUME CONTROL
IC801
VOLUME
CONTROL
D802, 852
THERMAL
SENSOR
Q831-832
L-CH THERMAL
PROTECT SWITCH
Q801
MUTE
CONTROL
Q834
MUTE
SWITCH
Q803
HEAD PHONE
MUTE
Q833
MUTE
DRIVE
Q804
HP-MUTE
PROTECT
09
D804
MIC-SIG
J803
TM401
PHONES
L
R
FRONT
RELAY
DRIVER
Q401-402
R-CH
RY401
SWITCH
Q904
–35V REG
Q903
RECT
D831
VF (–35V)
+VH
VF
VF
RECT
D833-836
+UNREG. 12V
UN +10V
UN –10V
RECT
D841-844
AC-L
AC-L
RECT
D832
POWER
TRANSFORMER
T951
VOLTAGE
SELECTOR
VS901
AC
IN
MAIN 1 
SECTION
G
(Page 26)
MAIN 2 
SECTION
I
(Page 27)
MIC-SIG
HP.SW
DISPLAY 
SECTION
K
(Page 33)
MAIN 1 
SECTION
C
(Page 25)
MAIN 2 
SECTION
H
(Page 27)
SP, EA
JW969
JW968
TH ONLY
AUS ONLY
J801
MAIN 1 
SECTION
E
(Page 26)
MAIN 2 
SECTION
L
(Page 28)
• SIGNAL PATH
            : FM
• R CH : Same as L ch
L
R
CENTER
SURROUND
REAR
RELAY
DRIVER
Q403, 407
PROTECT
SWITCH
Q439
R-CH
RY402
LATCH
DRIVER
Q437
PROTECT
SWITCH
Q431
TM402
REAR-L
CENTER
PL-RELAY
MAIN 2 
SECTION
N
(Page 29)
MAIN 1
SECTION
M
(Page 26)
PROTECT
DC AMP
Q433-434
LATCH
DRIVER
Q432
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