Read Sony HCD-DX10 / HCD-RG20 / HCD-RG30T / HCD-RG4SR / MHC-DX10 / MHC-RG20 / MHC-RG30T / MHC-RG4SR Service Manual online
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HCD-DX10/RG4SR/RG20/RG30T
MAIN SECTION
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
R-CH
BIAS
OSC
Q214
A
TUNER
SECTION
B
CD
SECTION
LOUT
L-CH
AUDIO SOUND
PROCESSOR
IC301
B1
7
A1
5
17
OUT1
MUTE
Q316
MUTE
CONT
CONT
Q803,804
POWER
AMP
IC501
1
12
6
MUTE
CONT
CONT
Q503,504
MUTE
Q306
MUTE
CONT
CONT
Q305
OVER LOAD
DETECTOR
Q501
RG30T/RG4SR
D502
PROTECT
DETECTOR
Q308,309
PROTECT
CONT
Q311
PROTECT
SWITCH
Q312
RELAY
DRIVE
DRIVE
Q314,315
RL1
JK601
PHONES
R CH
R CH
FAN
(M961)
FAN
DRIVE
Q850,851
L
R
JK310
SPEAKER
R CH
L
R
JK311
SURROUND SPK
OUTPUT
28
PHOTO SENSOR B
27
PHOTO SENSOR A
66
TAPE MODE SW B
65
TAPE MODE SW A
26
TAPE B HALF
25
TAPE A HALF
A TRIG
DRIVE
CAP MOTOR
DRIVE
Q605,608
Q604,607
B TRIG
DRIVE
Q603,606
TAPE SOL A
81
TAPE SOL B
82
MECHA VCC
80
MOTOR H
16
TAPE REC
IC601(2/2)
MASTER CONTROL
22
SPEANA IN L
87
TAPE REC MUTE
24
AMS IN
76
SYSTEM MUTE OUT
78
STK MUTE
XTAL 6.0MHZ
XTAL 6.0MHZ
6MHz
X601
FLOURESCENT
INDICATOR TUBE
VF
VF
FUCTION
KEY
VR601
VOLUME
FLD601
S601-609
T911
MAIN TRANS
-30V
REG
+5V
REG
Q911
D541
D811
+B
-B
POWER
AMP
D801-804
EVER +5.6V
VF
VF
D902-905
AC
IN
IN
RELAY
DRIVE
DRIVE
Q901
IC901
T901
SUB TRANS
1
2
3
+5.6V
REG
1
3
RY901
+12V
REG
1
3
+9V
REG
1
3
CD POWER
SWITCH
+5V
REG
1
3
IC804
Q801,802
IC803
IC802
IC801
CD +5V
TU +B
TU +12V
TC +12V
CD +7V
D812-815
POW SAVE
83
RESET
12
Q602
Q601
L251
BIAS
BIAS
67
TAPE FWD REC SW B
PLAY/REC
CONTROL
Q209
PLAY/REC
SWITCH
Q210,213
BIAS
SWITCH
Q211,212
SWITCH
Q203,205
88
TAPE BIAS
PB/REQ EQ AMP
IC201
CH1/A
1
REC OUT
9
5
PRE OUT
Q201
MUTE
CH1/B
2
11
REC IN
6
MIX OUT
91
TAPE A/B
19
TAPE A/B
Q320,321
AMS
Q207
MUTE
Q215
MUTE
79
TAPE MUTE OUT (PB)
VIDEO
OUT
VIDEO
R
INPUT
AUDIO
JK602
JK603
SC
13
C1
9
SI
14
1
MN1
94
BD3871 DATA/LATCH
16
OUT2
R-CH
MUTE
Q581
OVER HEAT
DETECTOR
Q582,583
TH501
FAN ON
SWITCH
Q584
MOTOR L
SFR601
Q651
75
SPK RELY ON
S901
220/230
240
120
JW5
JW6
JW7
JW3
JW2
JW4
JW1
VOLTAGE
SELECTOR
DX10:MY,SP,
TW,E2,
E3,E51
DX10:MX,MY,SP,
TW,E2,E3,E51
DX10:AR,AUS/RG20
/RG30T/RG4SR
/RG30T/RG4SR
DX10:MX/RG20:US,CND
/RG30T/RG4SR
/RG30T/RG4SR
RG20:AEP,UK
DX10:AR,AUS
1
CD ON/OFF
FAN +B
D543
D542
D809 -810
RESET
RESET
SWITCH
POWER DOWN IN
11
D602
REMOTE IN
29
RM601
D311
D852
RG30T,RG4SR
R-CH
ERASE
HEAD
REC/PB
HEAD
R-CH
PB
HEAD
DECK-B
DECK-A
A HALF
B HALF
A MODE
B MODE
REC(FWD)
A PHOTO
SENSOR
B PHOTO
SENSOR
MECHA DECK
B SOL
A SOL
CAP M+
L
GAME
C
TUNER
SECTION
DO,CLK
R-CH
17
86
4
SEL1
BUFFER
Q303
3
1
IC302
CLK
LED
DRIVER
IC602
2
16
13
1
3
LED602-609
DO
CLK
92
BU2114 LATCH
M +9V
µ
COM +B
D601
LED +5.6V
-VP
KEY INPUT0
19
FUCTION
KEY
S612-620
KEY INPUT1
20
FUCTION
KEY
S623-629
KEY INPUT2
21
3
1
VR ENCODER A
13
VR ENCODER B
14
LED
DRIVER
POWER SW
84
LED601
(POWER)
39 33
47
50
52
63
40
45 .
.
1G 10G
P1
P22
RG4SR
DX10:MX
REMOTE
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