Sony HCD-RG30 / MHC-DX20 / MHC-RG30 Service Manual ▷ View online
41
HCD-DX20/RG30
IC103 CXA2568M-T6 (BD BOARD)
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
FOCUS
TRACKING
ERROR AMP
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFO
RFE
FE
TE
(50%/30%
OFF)
OFF)
APC PD AMP
APC LD AMP
IC103 BU1924 (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
QUAL
R
D
ATA
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK
XO
XI
(NC)
VDD2
VSS2
T1
T2
8TH SWITCHED
CAPACITOR
FILTER
PLL 57KHz
RDS/ARI
BIPHASE
DECODER
DEFFERENTIAL
DECODER
PLL
1187.5Hz
TEST
CLOCK
IC102 LC72130 (MAIN BOARD)
1
2
3
4
5
6
7
8
XIN
B03
CE
IFIN
AOUT
2
AIN1
AIN2
D1
CL
B04
D0
B01
I01
B02
XOUT
PD1
VSS
PD2
FMIN
AMIN
AOUT1
VDD
I02
B05
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16.1/17 4bits
SWALLOW COUNTER
1/16.1/17 4bits
POWER
ON
RESET
1/2
C B
I / F
I / F
REFERENCE
DIVIDER
REFERENCE
DIVIDER
C B
I / F
I / F
2
DATA SHIFT REGISTER
LATCH
42
HCD-DX20/RG30
IC101 BA1450 (MAIN BOARD)
IC701 BA6956AN (DRIVER BOARD)
CH2/A CH2/B
NF
VCC
CG
NF
ALC
METAL
OUT
PRE
OUT
OUT
TAPE A
/TAPE B
REC
OUT
OUT
REC
IN
CH1/A CH1/B
NF
GND1
M/H
NF
CH2
CH2
ALC
M/N
CH1
GND
GND
CH1
+
–
+
–
+
–
+
–
A/B
GND
METAL
OUT
PRE
OUT
OUT
MIX
OUT
REC
OUT
OUT
REC
IN
IREF
VREF2
VREF1
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
24
15
14
13
AM
OSC
AM
MIX
AM IF
FM
IF
FM
DET
AM
DET
SD
DET
AGC
LED
DRIVER
COMP
SD
SW
VCO
PD
1/2
DECODER
VREG
1/2
FM IN
FM DET
TUNED
STEREO
IF OUT
R OUT
L OUT
AM/FM
FM/AM DET OUT
AM MPX IN
FM MPX IN
IN REQ MUTE
FM SD ADJ
VCC
GND
AM OSC OUT
AM OSC
VCO STOP
AM RF IN
AM IF IN
AM AGC
AM MIX OUT
FM BAND WIDTH
V . REG
IC201 TA8189N (MAIN BOARD)
43
HCD-DX20/RG30
SECTION 7
EXPLODED VIEWS
7-1. MAIN SECTION
NOTE:
• Items marked “*” are not stocked since they are
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
1
3-363-099-01 SCREW (CASE 3 TP2)
2
3-363-099-41 SCREW (CASE 3 TP2)
3
4-224-549-01 CASE (SIDE-L)
4
4-234-009-01 CD DOOR (RG30)
4
4-234-009-11 CD DOOR (DX20)
5
4-224-550-01 CASE (TOP)
6
1-681-441-11 VIDEO OUT BOARD (DX20)
6
1-681-441-21 VIDEO OUT BOARD (RG30)
CD mechanism deck
#3
#3
#3
#3
#3
#3
#3
#5
4
3
11
1
1
2
2
front panel section
chassis section
not supplied
#3
#1
#3
#3
#3
#3
10
7
9
8
5
6
• Abbreviation
EA
: Saudi Arabia model
SP
: Singapore model
TH
: Thai model
KR
: Korea model
MX
: Mexican model
AR
: Argentina model
E51
: Chiri and Peru model
E2
: Central and South America model
7
4-234-032-21 PANEL BACK (RG30)
7
4-234-091-01 PANEL BACK (DX20:E2, E51, EA, SP, AR)
7
4-234-091-61 PANEL BACK (DX20:KR, MX, TH)
8
4-227-984-11 COVER (DUCT)
9
1-681-445-11 SUB TRANS BOARD (DX20)
9
1-681-445-21 SUB TRANS BOARD (RG30)
10
4-225-252-01 CUSHION (FOOT)
11
4-224-548-01 CASE(SIDE-R) (DX20)
11
4-224-548-61 CASE(SIDE-R) (RG30)
44
HCD-DX20/RG30
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
62
4-224-560-01 CAM (L), HEART
63
4-951-620-01 SCREW (2.6X8), +BVTP
64
1-681-447-11 KEY BOARD
65
4-234-016-01 FL HOLDER
66
A-4476-797-A PANEL BOARD, COMPLETE
(DX20:E2, E51, EA, SP, AR, MX)
66
A-4725-721-A PANEL BOARD, COMPLETE (DX20:KR)
66
A-4725-982-A PANEL BOARD, COMPLETE (DX20:TH)
66
A-4726-035-A PANEL BOARD, COMPLETE (RG30)
67
4-224-559-01 CAM(R), HEART
68
4-224-561-01 BRACKET (HEART CAM R)
69
4-233-982-01 CASSETTE DOOR SPRING R
70
1-796-123-11 DECK, MECH (TC)
FLD1
1-518-729-11 INDICATOR TUBE, FLUORESCENT
51
4-234-019-01 VOLUME KNOB (RG30)
51
4-234-019-11 VOLUME KNOB (DX20)
52
4-234-015-01 VOL KNOB RING
53
X-4953-757-1 PANEL FRONT ASSY (DX20)
53
X-4953-887-1 PANEL FRONT ASSY (RG30)
54
4-225-252-01 CUSHION (FOOT)
55
X-4953-759-1 CASSETTE WINDOW R ASSY (DX20)
55
X-4953-889-1 CASSETTE WINDOW R ASSY (RG30)
56
X-4953-758-1 CASSETTE WINDOW L ASSY (DX20)
56
X-4953-888-1 CASSETTE WINDOW L ASSY (RG30)
57
4-231-805-01 KNOB (MIC) (DX20)
58
4-233-981-01 CASSETTE DOOR SPRING L
59
4-224-104-11 DAMPER
60
4-224-562-01 BRACKET (HEART CAM L)
61
4-224-803-01 SPRING (PUSH), COMPRESSION
55
54
56
53
51
52
58
60
59
59
FLD1
not supplied
63
63
69
70
57
61
62
63
*63
*63
*63
*63
64
65
66
68
61
67
not supplied
*
For service only (Be sure to refer to "Service note" on page 4.)
Click on the first or last page to see other HCD-RG30 / MHC-DX20 / MHC-RG30 service manuals if exist.