Sony HCD-BX9 Service Manual page 7

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Q Q
3 7 6 3 1 5 1 5 0
– MAIN SECTION –
TUNER
L-CH
A
SECTION
(Page 22)
CD
B
LOUT
SECTION
(Page 22)
J101
L-CH
L
MD/VIDEO
(AUDIO)
R
R-CH
PB EQ
DECK-A
AMP
RV302
IC303
PB
HEAD
PB EQ
R-CH
AMP
RV303
IC304
REC/PB SWITCH
DECK-B
IC302
1
REC/PB
2
SWITCH
4
HEAD
Q304,305
R-CH
3
R CH
C332,L301
BIAS
TRAP
RV304
REC
R-CH
BIAS
T301
TA+12V
BIAS
OSC
ERASE
Q302,303
Q301
HEAD
T E
Q141
L
1 3 9 4 2 2 9 6 5 1 3
DC
A+12V
+6V
BIAS
TC BLOCK
A120/70
B120/70
A HALF
B HALF
A PLAY
B PLAY
A SHUT
B SHUT
91 90 69 68 93 67
Q393,394
A TRIG
A TRG M+
57
A TRIG
DRIVE
Q391,392
B TRIG
B TRG M+
58
B TRIG
DRIVE
Q395
CAP MOTOR
CAP M H/L
59
CAP M H/L
SPEED CONT
Q396,397
CAP MOTOR
CAP M+
60
CAP M CONT
DRIVE
09
• RCH is omitted
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
w w w
.
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DECK PROC.
IC301
REC
43
48
REC
DOLBY
B
70
A
PB
DOL
PB
40
PAS
B
120
46
REC
36
38
39
EQ
RV301
REC(L)
LEVEL
NORM
33
BIAS
CROM
SW
32
17
19
16 18
15
20
22 23 24 25 26
79
77
76 78 75 74 73 72 71 70
4
5
MASTER CONTROL
IC401(2/2)
x
a o
u 1 6 3
y
i
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8
INPUT SELECT
TONE/VOL CONT
IC101
IC102
IC501
5
40
IN2A
VOL OUT2
24
7
15
11
6
POWER
AMP
Q504,505
Q861
MUTE
MUTE
MUTE
38
IN2C
CONT
Q103
CONT
12
Q101,102
DBFB
D841
REF
1
CONT
37
IN2D
Q503,504
Q503
MUTE
MUTE
+B
CONT
Q581
DBFB
SWITCH
35
INVOL OUT2
39
IN2B
21
DATA
22
CLOCK
R-CH
DX9 MODEL
J721
MIC 1
EA MODEL
J722
MIC 2
Q
Q
3
7
6
3
1
D822
X401
X402
32.768kHz
16MHz
10
11
15
13
83
84
100
87 82
30
29 18
7
CD POWER
85
81
12
Q501
c o
.
23
23
2
4
9
9
8
R CH
Q821,822
RY801
Q824,825
MUTE
PROTECT
R CH
RELAY
Q862
DETECTOR
DRIVE
Q551
Q823
Q828,829
D502
OVER LOAD
PROTECT
PROTECT
DETECTOR
CONT
SWITCH
R CH
Q506,506
OVER HEAT
DETECTOR
Q891,892
Q615
IC602
+5.6V
+7V
10
17
REG
SPEANA
BPF
12
6
11
5
4
RV722
MIC
3
VOL
IC722
IC722
S617,618
S623-628,630-636
FUCTION
KEY
S611-616
S619-621,626,629
IC721
FUCTION
KEY
RV721
ECHO
2
6
S637-646
LEVEL
FUCTION
ECHO
KEY
LEVEL
5
1
5
0
8
9
2
4
9
S601
VOLUME
SIRCS
IC603
-B
IC911
Q911,912
CD D+5V
+B
+5V
CD POWER
POWER
CD A+5V
3
1
REG
SWITCH
AMP
-B
D901-904
D952
IC951
RDS D+5V UNSW
D953
+5V
AUDIO +5V
3
1
REG
A+12V
TC A+12V
D511
IC921
MIC A+12V
+12V
ST A+12V
3
1
REG
IC501
D906-909
IC961
RESET
+9V
TC M+9V
3
1
REG
IC931
CD M+7V
+7V
LED +7V
3
1
REG
EVER +5.6V
m
HCD-BX9/DX9
2
9
9
J102
SURROUND
SPEAKER
TM801
L
SPEAKER
R
J631
PHONS
FAN
FAN
DRIVE
FL601
FLOURESCENT
INDICATOR TUBE
DISPLAY CONTROL
IC601
3
HEADPHONE
F1
F2
50
.
P1
52
P35
85
Q606-614
20
BPF 0
G1
49
LED
DRIVER
25
BPF 5
G17
33
26
ALL BAND
Q630-635
10
PLAY1-3
LED
D630-632
DRIVER
EXIST1-3
5
GROOVE LED
11
D611-615
17
KEY0
FILE LED
12
D617,618
Q621-626
BASS SHIFT LED
13
LED
FUNCTION LED
14
DRIVER
REC/PAUSE LED
15
18
KEY1
SURROUND LED
16
Q604
LED
D601
POWER LED
28
DRIVER
19
KEY2
POWER
8
2
9
9
Q605
D602
LED
VOL A
1
TIMER LED
27
TIMER
DRIVER
VOL B
SELECT
2
100
SIRCS
XIN
89
X601
12.5MHz
97 I2C DATA
XOUT
90
98 I2CCLOCK
96 WAKE UP
92 RESET
Q941
-V
REG
F974
T971
D541
BX9,AUS
EXCEPT MX
MODEL
F975
F973
JW9073
EXCEPT BX9,AUS,MX
MODEL
S951
F972
AC
IN
DX9
JW9071
F971
MODEL
AUS MODEL
EXCEPT BX9,AUS
F1
F2
BX9 MODEL
T972
D972-975
IC971
+5.6V
AC
3
1
REG
IN
Q971
RY971
RELAY
DRIVE

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