SONY HCD-DX50, HCD-RG80 Diagrama
6-2. BLOCK DIAGRAMS
TUNER/CD SECTION
TM1
1
FM 75Ω
G
AM
ANT IN
FE1
IF OUT
OSC OUT
HCD-DX50/RG80
AM/FM IF MPX
7
8
VT
5
CF1 CF2
+B A+12V
X51
4.5MHz
Q1
RF IF
AMP
Q2
PLL
IC51
10
1
22
16
19
20
18
FM
XIN
XOUT
FM OSC
A IN
A OUT
PD
FM
AM OSC
VCO STOP
IF REQ
IF IN
DO
+B
RV11
7
15
9
8
12
DO
6
DI
DI
DI
4
CL
CL
5
CE
CE
3
1
11
24
12
10
IC11
FM IF
AM MIX OUT
AM/IF
AM OSC
VCO STOP
IF REQ MUTING
L OUT
R OUT
AM IF IN
13
14
4
2
BUFFER
R-CH
Q11
IFT11
LPF11
LPF
L-CH
A
MAIN
SECTION
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: CD
: DIGITAL OUT
OPTICAL
PICK-UP
BLOCK
(A-MAX.3)
+5V
2
11
Q101
LD
DRIVE
RB41
M102
SLED
MOTOR
M101
SPINDLE
MOTOR
AM RF IN
1
10
RF AMP
IC103
VC
27
A
6
RFDCO
B
7
RFDCI
C
8
D
9
E
10
F
11
LD
1
PD
2
IC102
MOTOR/COIL DRIVE
CH1RO
13
CH1FO
14
CH2RO
11
CH2FO
12
CH3RO
18
RFAC
FEI
CH1RI
CH1FI
CH2RI
CH2FI
CH3RI
8
7
3
9
6
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
D/A CONVERTER
IC101
D OUT
60
15
28
29
FE
16
17
TE
18
3
2
6
5
23
RFAC
51
RFDC
43
39
41
40
33
32
31
30
29
FE
TE
SE
FFDR
FRDR
TFDR
TRDR
SRDR
L OUT
R OUT
DATA
CLOK
XLAT
SQCK
SCLK
SCOR
SQSO
SENS
SSTP
XTAI
XTAO
72
75
20
27
66
67
R-CH
5
7
6
2
9
1
8
X101
16.9344MHz
21
AM OSC
23
VCC
23
AFC
22
IC201
OPTICAL
DIGITAL
OUT
13 12 12
TUNED
STEREO
OPTICAL
11 10 34
6
7
L OUT
IC202
B
MAIN
SECTION
9856
Q102
+3.3V
REG
DVDD+3.3V
DO
DI
CL
CE
MASTER CONTROL
IC501(1/2)
TUNED
3
STEREO
2
ST MUTING
21
ST DIN
25
ST DOUT
23
ST CLK
27
ST CE
22
BU PWM2
26
BU PWM3
24
BU PWM1
28
35
CD DATA
37
CD CLK
42
XLT
33
SQ CLK
19
SCOR
32
SQ DATA
34
SENS
OPEN SW
CLOSE SW
BU UP/DOWN SW
LOAD IN
T SENS
IC701
44
45LOAD OUT
49
46
47
48
9
MOTOR
DRIVE
7
TBL ADDRESS
4
2
IC711
SENSOR
M
S701
OPEN/CLOSE
S711
BU UP/
DOWN
M721
TURN
MOTOR
M
17
16
CH3FO
CH4RO
CH3FI
SFDR
24
25CH4INS
28
MDP
26
XRST
XRST
3
43
M
CH4FO
15
MUTING
20
2121
HCD-DX50/RG80
MAIN SECTION
HEAD
CD
HP901
HEAD
ERASE
HEAD
L
R
L
R
PB
A
B
J101
J401
J601
DECK-A
DECK-B
L-CH
LOUT
L-CH
R-CH
R-CH
R-CH
R-CH
M901
CAPSTAN
MOTOR
R-CH
57
S1001
(A PLAY)
S1002
(B PLAY)
S1003
(A HALF)
S1006
(B HALF)
S1005
(REC A)
S1009
(REC B)
A TRG M+
B TRG M+
M
PB EQ
AMP
IC303
PB EQ
AMP
IC304
RV304
REC
BIAS
MD/VIDEO
(AUDIO)
VIDEO OUT
AUDIO
TUNER
SECTION
SECTION
VIDEO
HRPE901
REC/PB
75
T301
12
11
C332,L301
IC1001
A REEL
DET
IC1002
B REEL
DET
Q1001
MOTOR
INPUT SELECT
IC105
RV302
RV303
BIAS
TRAP
Q302,303
PM901PM902
CONT
RV1002
NORM S
RV1001
HIGH S
BIAS
OSC
109
1
2
3
IC106
2
1
3
13
REC/PB SWITCH
IC302
TA+12V
Q301
+6V
Q393,394
A TRIG
DRIVE
Q391,392
B TRIG
DRIVE
R CH
Q141
BIAS
DC
4
A+12V
56
57
70
91
89
91
51
52
Q395
CAP MOTOR
SPEED CONT
Q396,397
CAP MOTOR
DRIVE
Q104
SWITCH
Q304,305
A PLAY
B PLAY
A HALF
B HALF
A SHUT
B SHUT
A TRIG
B TRIG
69
TC RELAY
78
GAME/VIDEO
CAP M H/L
54
CAP M CONT
55
INPUT SELECT
G EQ
IC101
VOL OUT2
IN2A
40
IN2C
38
IN2D
37
DECK PROCESSOR
IC301
IC301
REC
43
DX50
IC104
REC
DOLBY
B
PB
48
A
B
46
36
NORM
33
CROM
32
70
120
REC
EQ
BIAS
SW
39
38
RV301
PB A/B
A120/70
B NORM/CROM/METAL
17
16
18
19
67
66
PB A/B
DOL
PAS
NORM/HIGH
ALC ON/OFF
20
15
68
65
ALC
EQ H/N
RM ON/OFF
BIAS ON/OFF
NR ON/OFF
22
23
61
60
BIAS
NR ON/OFF
REC MUTING
PB
LM ON/OFF
REC /PB/PASS
24
25
26
59
58
53
R/PB PAS
TC MUTING
40
MS OUT
AMS IN
3
1
2
MASTER CONTROL
IC501(2/2)
80
GEQ DATA
81
SIRCS
IC603
GEQCLK
SIRCS
4
35
39
21
22
R-CH
X501
32.768kHz
10
XC IN
INVOL OUT2
IN2B
DATA
CLOCK
11
XC OUT
DISPLAY KEY
73
S752
DISPLAY
15
X502
16MHz
X IN
24
13
X OUT
POWER KEY
74
S796
?/1
Q794
6
5
Q101,102
Q503
SWITCH
LED
DRIVER
IC102
DBFB
CONT
DBFB
79
STBY LED
75
7
DBFB ON/OFF
D794
?/1
Q504,505
MUTING
82
LINE MUTING
CONT
MUTING
Q103
Q503,504
MUTING
83
STK MUTING
84
CONT
STBY RELAY
87
88
PROTECT
FRONT RELAY
18
MUTING
Q581
30
100
IC501
POWER
AMP
12
29
41
IIC CLK
IIC DATA
CD POWER
AC CUT
RESET
12
D841
M RESET
10
38
DX50
J722
Q861
MUTING
MUTING
Q862
CONT
Q551
OVER LOAD
DETECTOR
+B
TH701
MIC
CD D+5V(SW)
CD A+5V(SW)
AUDIO +5V
CDM M+7V
Q575
Q505,506
OVER HEAT
DETECTOR
LIMITER
Q721
TC D+5V
VREF
D +5V
VCC
TC M+9V
LED +7V
STBY +5V
IC502
RESET13
A+12V
TC A+12V
MIC A+12V
ST A+12V
Q821,822
PROTECT
DETECTOR
3
2
D579
D577
IC722
D502
Q831
FAN ON
SWITCH
1
D580
D920-922
Q823
PROTECT
CONT
RV722
MIC
LEVEL
IC722
6
5
IC911 Q911,912
+5V
3
1
REG
D952
D953
D509
D510
D511
D508
7
IC921
+12V
3
REG
CD POWER
SWITCH
IC951
+5V
3
REG
IC961
+9V
3
REG
+3.3V
Q828,829
PROTECT
SWITCH
1
1
1
Q824,825
IC616
+3.3V
+3.3V
3
REG
EVER +5.6V
RELAY
DRIVE
D824
D911 D910
1
RY801
IC602
17
SPEANA
6
BPF
12
5
4
3
11
S768-781
FUCTION
KEY
S753-758
S760-765
FUCTION
KEY
S601-605
S791-795
FUCTION
KEY
S751
VOLUME
X601
4MHz
-VG
D822
POWER
AMP
IC971
+5.6V
3
REG
• RCH is omitted due to
same as L-CH.
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
+B
-B
1
TM801
L
R CH
R CH
Q891,892
FAN
DRIVE
78
71
.
67
72
73
64
65
66
80
79
83
82
60
61
77
Q941
-V
REG
D543
D901-904
D906-909
D972-975
Q971
RELAY
DRIVE
DISPLAY CONTROL
HEADPHONE
BPF 0
BPF 5
ALL BAND
KEY0
KEY1
KEY2
VOL A
VOL B
XIN
XOUT
I2C DATA
I2CCLOCK
RESET
SPEAKER
R
D977
IC601
RY971
L
RR CH
M961
(FAN)
TAPE A/B
MD/VIDEO
GAME IN
REC/PAUSE
RG80
SURROOUND
J631
PHONES
6
10
.
12
P1
22
.
P39
24
41
.
43
47
5
G1
1
.
G13
100
93
TUNER
55
CD
57
54
56
58
DISC1
59
DISC2
74
DISC3
75
52
ENTER
53
VKK
48
DX50 : E, SP, AR, E51, AUS
T910
DX50 : MX
T972
F1 F2
Q601-605
LED
DRIVER
Q791-793
LED
DRIVER
Q751
LED
DRIVER
Q752
LED
DRIVER
-VG
JW973
DX50 : E, SP, AR, E51
JW972
DX50 : E, SP,
AR, E51
F971
JW971
JW990
DX50 : E, SP, AR, E51
DX50 : KR, AUS/RG80
DX50 : MX
J102
F1
F2
• Abbreviation
AR : Argentina model
AUS : Australian model
E51 : Chilean and Peruvian model
KR : Korea model
MX : Mexican model
SP : Singapore model
FL601
FLOURESCENT
INDICATOR TUBE
JW984
JW986
D604-609
D791-793
D751
REC
D752
ENTER
KR
MX
JW974
JW975
120
220
230-240
120
220
230-240
DX50 : E, SP, KR, AR, E51
VOLTAGE SELECTOR
S901
AC
IN
2222
HCD-DX50/RG80
6-3. SCHEMATIC DIAGRAM MAIN SECTION (1/4)
• See page 20 for Wavefoms. • See page 45 for IC Block Diagrams.
IC B/D
IC B/D
2323
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