Ic302; Ic303; Ic304; Ic301 - Sony HCD-BX5 Service Manual

MAIN SECTION
TUNER
A L-CH
SECTION
CD
B LOUT
SECTION
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
2
REC/PB 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
Q141
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
16
• RCH is omitted
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
DECK PROC.

IC301

REC
43
48 REC
DOLBY
B
70
A PB
DOL
PB
40
PAS
B
120
46
REC
36 39
38
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)
INPUT SELECT
TONE/VOL CONT
IC101
IC102 IC501
5
40 IN2A VOL OUT2 24
7
15 11
6 POWER
AMP
Q504,505
MUTE MUTE
38 IN2C
CONT Q103
12
Q101,102
DBFB D841
REF 1
CONT
37 IN2D
Q503,504
Q503 MUTE MUTE
CONT Q581
DBFB
SWITCH
35 INVOL OUT2
39 IN2B
21 DATA
22 CLOCK
R-CH
EXCEPT US,CND,AEP MODEL
J721
MIC 1
DX5 MODEL ONLY
J722
MIC 2
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
23 23
Q861 Q821,822
RY801
Q824,825
MUTE MUTE PROTECT
RELAY
CONT Q862 DETECTOR
DRIVE
Q551 Q823 Q828,829
D502
OVER LOAD PROTECT PROTECT
DETECTOR CONT SWITCH
+B Q506,506
OVER HEAT
DETECTOR
E MODEL ONLY
Q615
IC602
+5.6V
+7V 10 17
REG SPEANA
BPF
12
6
11
5
4
RV722
3
MIC
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
KEY
S601
VOLUME
SIRCS
IC603
-B
+B
IC911 Q911,912
CD D+5V
POWER
+5V CD POWER
CD A+5V 3 1 AMP
REG SWITCH
-B
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
IC961
RESET
+9V
TC M+9V 3 1
REG
IC931
CD M+7V
+7V
LED +7V 3 1
REG
EVER +5.6V
HCD-BX5/DX5/DX5J
TM801
L
SPEAKER
R CH R
R CH
J631
PHONS
DX5 ONLY
Q891,892 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
ALL BAND
26
Q630-635
PLAY1-3 10
LED
D630-632
DRIVER
EXIST1-3 5
GROOVE LED 11
D611-615
17 FILE LED D617,618
KEY0 12
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
Q605
D602
LED
VOL A
1 TIMER LED 27 TIMER
DRIVER
VOL B SELECT
2
SIRCS
100
XIN 89
X601
12.5MHz
97 I2C DATA
XOUT 90
98 I2CCLOCK
96 WAKE UP
92 RESET
Q941
-V
REG
F974 T971
D541
BX5 EXCEPT
F975 E MODEL
US,CND MODEL
F973 JW901
E MODEL
ONLY
E,EA3,KR,TH
S951
D901-904 MODEL
JW972
AC
IN
F971
DX5
E,EA3,MX MODEL
D906-909
F1
F2
BX MODEL ONLY
T972
D972-975
IC971
+5.6V
AC
3
1
REG IN
Q971 RY971
RELAY
DRIVE