Sony HCD-DX50/RG80 Service Manual page 22

HCD-DX50/RG80
MAIN SECTION
A L-CH
TUNER
SECTION
IC106
LOUT
B 2
CD
1
SECTION
3
INPUT SELECT
J101 IC105
L-CH
L 12
13
MD/VIDEO
11
(AUDIO)
R R-CH
9 10
J401
VIDEO OUT
Q104
J601
VIDEO
L
AUDIO
R R-CH
PB EQ
DECK-A
AMP
RV302
IC303
5 7
HP901
PB
HEAD
PB EQ
R-CH
AMP
RV303
IC304
5 7
REC/PB SWITCH
DECK-B
IC302
1
HRPE901
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
+6V A+12V
BIAS
69
S1001
56 A PLAY
(A PLAY)
S1002
57 B PLAY
(B PLAY)
S1003 70 A HALF
(A HALF)
S1006 91 B HALF
(B HALF)
S1005
(REC A)
S1009
(REC B)
IC1001
A REEL
89 A SHUT
DET
IC1002
B REEL
91 B SHUT
DET
Q393,394
A TRIG
51 A TRIG
DRIVE
A TRG M+
Q391,392
B TRIG
52 B TRIG
DRIVE
B TRG M+
Q1001
Q395
MOTOR CAP MOTOR
CONT SPEED CONT
RV1002
NORM S
RV1001
HIGH S
M901
Q396,397
CAPSTAN
M
CAP MOTOR
MOTOR
DRIVE
DECK PROCESSOR
IC301 IC301
REC
43
DX50
IC104
REC 1
DOLBY
B
PB
DOL PB
40
PAS
48
70
A
B
120
46
REC
36 38 39
EQ
RV301
NORM
33
BIAS
CROM
SW
32
17 19 16 18 15 20 22 23 24 25 26
78 67 66 68 65 61 60 59 58 53
MASTER CONTROL
IC501(2/2)
54 55
INPUT SELECT
G EQ
IC101
IC102 IC501
6
40 IN2A VOL OUT2 24 7
5 18 POWER
AMP
Q504,505
MUTING MUTING
38 IN2C
CONT Q103
Q101,102
IN2D
37 DBFB
CONT
Q503,504
MUTING MUTING
Q503
CONT Q581
DBFB
SWITCH
35 INVOL OUT2
3
2
39 IN2B
21 DATA
22 CLOCK
R-CH
X501 X502
32.768kHz 16MHz
80 81 10 11 15 13 79 82 83 87 88 30 29 41
CD POWER
4 73 74 75 84 100 12
Q794
SIRCS LED
IC603 DRIVER
S752 S796
D794
?/1
DISPLAY
?/1
22 22
10
Q861 Q821,822
Q824,825 RY801
MUTING MUTING PROTECT
RELAY
CONT Q862 DETECTOR
12
DRIVE
Q551 Q823 Q828,829
D841 D502
OVER LOAD PROTECT PROTECT
DETECTOR CONT SWITCH
+B
Q505,506
OVER HEAT
DETECTOR
Q831
FAN ON
SWITCH
TH701
6 SPEANA
5
4
RV722
3
MIC
IC722 LEVEL
J722
3 IC722 S768-781
MIC
1 6
2 7 FUCTION
5
LIMITER
S753-758
Q721
S760-765
FUCTION
DX50
S601-605
S791-795
FUCTION
VOLUME
A+12V
D824 D822
TC A+12V
IC921
MIC A+12V
D911 D910
+12V
ST A+12V 3 1
REG
IC911 Q911,912
CD D+5V(SW)
POWER
+5V CD POWER
CD A+5V(SW) 3 1
REG SWITCH
38
D952 IC951
TC D+5V
D953 +5V
AUDIO +5V 3 1
REG
D509
VREF
D510
D +5V
VCC
D580
D579
IC961
+9V
TC M+9V 3
1
REG
D920-922
CDM M+7V
LED +7V
D511
STBY +5V
IC616
+3.3V +3.3V
3
+3.3V 1
REG
IC502
Q575
D577 D508
EVER +5.6V
3 RESET 1
• RCH is omitted due to
same as L-CH.
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
TM801
L
SPEAKER
R CH R
RG80
J102
L
SURROOUND
R CH R
R CH
J631
PHONES
M961
(FAN)
Q891,892
FAN
DRIVE
FL601
DISPLAY CONTROL
FLOURESCENT
IC601
INDICATOR TUBE
HEADPHONE 6
78
10
.
F1 F2
12
P1 22
.
P39 24
IC602
41
.
71
.
17 BPF 0
43
67
BPF
12 BPF 5 47
72
11 ALL BAND 5
73
G1
1
.
G13 100
93
KEY0
64
KEY
TUNER
55 D604-609
Q601-605
65 KEY1 CD 57
KEY
LED
TAPE A/B
54
DRIVER
MD/VIDEO 56
GAME IN
58
D791-793
66 KEY2
KEY Q791-793
DISC1 59
LED
DISC2
74 DRIVER
VOL A
S751 80 DISC3 75
VOL B
79
Q751
83 XIN LED D751
REC/PAUSE
52
X601 DRIVER
REC
4MHz
82 XOUT Q752
D752
LED
ENTER 53 ENTER
DRIVER
60 I2C DATA
61 I2CCLOCK
77 RESET -VG
VKK 48
Q941
DX50 : E, SP, AR, E51, AUS
KR
D977
T910
-V
-VG
REG
JW973
MX
D543
DX50 : E, SP, AR, E51
+B
JW972
AMP
DX50 : E, SP,
-B
AR, E51
F971
JW971
D901-904
DX50 : MX
VOLTAGE SELECTOR
S901
120
220
230-240
D906-909 120
220
230-240
DX50 : E, SP, KR, AR, E51
F1
F2
T972 JW984
D972-975
DX50 : KR, AUS/RG80
IC971
JW986
+5.6V AC
3 1
REG IN
DX50 : MX
Q971 RY971
RELAY
DRIVE
• Abbreviation
AR : Argentina model
AUS : Australian model
E51 : Chilean and Peruvian model
KR : Korea model
MX : Mexican model
SP : Singapore model