Sony HCD-DX8 Service Manual page 23

– MAIN SECTION –
TUNER
L-CH
A
SECTION
(Page 22)
BD
CD-L
B
SECTION
(Page 22)
J101
L-CH
L
MD/VIDEO
(AUDIO)
R R-CH
RV302
HP901
DECK-A
(PB) PLAYBACK LEVEL (DECK-A, L-CH)
PB AMP
IC303
L-CH
DECK-A RV303
DECK-B
PLAYBACK LEVEL (DECK-B, L-CH)
R-CH R-CH
PB AMP
IC304
HRPE901
IC302
(REC/PB/ERASE)
REC/PB SWITCH
1
L-CH
2 REC/PB SWITCH
4 CONTROL
Q304,305
R-CH R-CH 3
R CH
C332,L301
DECK-B
BIAS
RV304
TRAP
REC
R-CH
BIAS
(L-CH)
T301 TA+12V
BIAS
OSC
ERASE
Q301
Q302,303
BAIS B+
SWITCH
Q141
DC
+6V
BIAS
S1004
(A 120/70)
S1008
(A 120/70)
TAPE
MECHANISM DECK S1003
BLOCK (A HALF)
AUDIO +5V
(TCM-230AWR11)
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
AUDIO +5V
S1001 (A PLAY)
S1002 (B PLAY)
69 68 93 67
Q393,394
PM1001 A TRIG
57 A TRIG
(DECK-A)
DRIVE
Q391,392
PM1002
B TRIG
58 B TRIG
(DECK-B)
DRIVE
IC1001
REEL
DETECT
90
A SHUT
(DECK-A)
IC1002
REEL
91 B SHOT
DETECT
(DECK-B)
60
M901
(CAPSTAN)
Q396,397
M CAP MOTOR
DRIVE
Q1001 Q395
MOTOR CAP MOTOR
CONTROL SPEED CONT
RV1002 R1001
TAPE SPEED TAPE SPEED
(NORMAL) (HIGH)
TO SATELLITE AMPLIFIER (TA-DX8)
05
• R-CH: Same as L-CH.
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
PB AMP, REC EQ AMP,
DOLBY B NR
IC301
R IN (L)
43
A IBN (L)
48 REC
DOLBY
B
70
PB
A PB OUT (L)
DOL
40
PAS
B
120
46
B IN (L)
EQ OUT EQ IN REC OUT
(L) (L) (L)
REC
36 38 39
EQ
RV301
REC
LEVEL
(L-CH)
NORM
33
BIAS
CROM
SW
32
17 19 16 18 15 20 22 23 24 25 26
A+12V
X401 X402
32.768kHz 16MHz
79 10 11 15 13 77 76 78 75 74 73 72 71 70
SYSTEM CONTROLLER
IC401(2/2)
59 52 51 89
3
CONT A
2
CONT B
1
BOOSTER SW
12
L-OUT
10
R-CH
R-OUT
8
RELAY ON/OFF
5
PROTECT
7
STK MUTE
6
LINE MUTE
4
STANDBY LED
IC101
SYSYTEM CONTROL
GRAPHIC EQUALIZER
CONTROL,
DBFB
ELECTRICAL VOLUME
AMP
IC101
IC102
5
40 IN2A VOL OUT2 24
7
15
6
Q504,505
MUTE MUTE
38 IN2C
CONT Q103
Q101,102
DBFB
CONT
37 IN2D
Q503,504
MUTE MUTE
Q503
CONT Q581
DBFB
SWITCH
IC104
MIC
35 INVOL OUT2
AMP
R-CH
39 IN2B
21 DATA
RELAY
22 CLOCK
R-CH
LED
PROTECT
S MUTE
L MUTE
4 5 83 84 100 87 82 30
L-OUT
RELAY
PROTECT
S MUTE
L MUTE
LED
23 23
IC501
11
POWER
AMP
Q861 Q821,822
Q824,825
MUTE MUTE OVER LOAD
RELAY
CONT Q862 DET ECT
12
DRIVE
R-CH
Q551 Q823 Q828,829
R-CH
D841 D502
OVER LOAD PROTECT PROTECT
DETECT CONT SWITCH
+B Q506,506
OVER HEAT
DETECT
Q831, 832
RELAY
DRIVE
Q615
+5.6V
+7V 10
REG
RV722
MIC
LEVEL
S617,618,623-625,
J721 IC722 IC722
S627,628,630-636
MIC 1
S619-621,626,629
IC721
RV721
J722
DIGITAL
MIC 2 2 6
ECHO
ECHO
LEVEL
D601
(EA)
VOLUME
29 18 7
Q721
MIC
MIC B+ MIC A +12V
REG
IC911 Q911,912
CD D+5V
+5V CD POWER
CD A+5V 3 1
REG SWITCH
RDS D+5V UNSW
CD POWER 85
D952 IC951
D953 +5V
AUDIO +5V 3 1
REG
A+12V
TC A+12V
IC921
MIC A+12V
+12V
12
ST A+12V 3 1
REG
IC961
IC501
+9V
Q501
TC M+9V 3 1
REG
RESET
IC931
CD M+7V
+7V
LED +7V 3 1
REG
EVER +5V
D511
D508
HCD-DX8
TM801
L
SPEAKER
IMPEDANS USE 6-16 Ω
RY801
R CH R
R CH
J631
PHONES
Q891,892 FAN
FAN
DRIVE
FL601
FLOURESCENT
INDICATOR TUBE
DISPLAY CONTROLLER
IC601
3 HEADPHONE
F1 F2
50
.
P1
52
P35
IC602
85 Q606-614
17 20 BPF 0 G1 49
FL
SPEANA
DRIVER
BPF
12 25 BPF 5 G17 33
6
11 ALL BAND
26
5
Q630-635
4
10
PLAY1-3 LED
3 D630-632
DRIVER
EXIST1-3 5
GROOVE LED 11
D611-615
FUNCTION
17 KEY0 FILE LED 12 D617,618
KEY
Q621-626
BASS SHIFT LED 13
S611-616
LED
FUNCTION LED 14
DRIVER
FUNCTION REC/PAUSE LED 15
18
KEY1
KEY
SURROUND LED 16
Q605
S637-646 D602
LED
FUNCTION TIMER LED 27 TIMER
19 KEY2 DRIVER
KEY
Q604
D601
1 VOL A LED
ROTARY
POWER LED 28
DRIVER
ENCODER
2 VOL B
SIRCS
100 SIRCS
IC603
XIN 89
X601
12.5MHz
97 I2C DATA XOUT 90
98 I2CCLOCK
96 WAKE UP
92 RESET
Q941,942
-V
-B (AUS)
REG
T971
POWER
(EXCEPT MX, AUS)
TRANSFORMER
F974
D541
S951
+B VOLTAGE SELECTOR
POWER
F975
230-240V
AMP
-B
220V
D901-904
D822
120V
AC
F971
IN
D824 (MX)
D911
D910
D906-909
F1
F2