DOWNLOAD Sony HCD-DX10 / HCD-RG20 / HCD-RG30T / HCD-RG4SR / MHC-DX10 / MHC-RG20 / MHC-RG30T / MHC-RG4SR Service Manual ↓ Size: 4.84 MB | Pages: 52 in PDF or view online for FREE

Model
HCD-DX10 HCD-RG20 HCD-RG30T HCD-RG4SR MHC-DX10 MHC-RG20 MHC-RG30T MHC-RG4SR
Pages
52
Size
4.84 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-dx10-hcd-rg20-hcd-rg30t-hcd-rg4sr-mhc-dx10-mhc.pdf
Date

Sony HCD-DX10 / HCD-RG20 / HCD-RG30T / HCD-RG4SR / MHC-DX10 / MHC-RG20 / MHC-RG30T / MHC-RG4SR Service Manual ▷ View online

8
HCD-DX10/RG4SR/RG20/RG30T
2-4. TAPE MECHANISM DECK AND PANEL BOARD
2-5. SUB TRANS BOARD, VIDEO OUT BOARD AND TRANS BOARD
qa
PANEL board
7
Volume knob
2
Six
 screws
     (+BVTP 2.6
 
×
 8)
8
Six
 screws
     (+BVTP 2.6
 
×
 8)
9
Five
 screws
     (+BVTP 2.6
 
×
 8)
q;
Eight
 screws
     (+BVTP 2.6
 
×
 8)
3
Tape mechanism deck
6
Belt (FR)
4
Belt (BF)
5
Belt (AF)
1
Flat type wire (17 core)
qk
Four screws
     (+BVTT 4
 
×
 6)
ql
Power transformer (T911)
TRANS board
Cover (duct)
qj
Connector (CN915)
qh
DC fan (M961)
4
Connector (CN504)
1
Connector (CN901)
qs
VIDEO OUT board
8
SENSOR board
2
Connector (CN2)
3
Connector 
      (CN903)
qd
Five screws
     (+BVTP 3
 
×
 10)
qf
Back panel
qg
Two screws
     (+BVTP 3
 
×
 10) 
5
Two screws
     (+BVTP 3
 
×
 10)
7
Screw (+BVTP 3
 
×
 10)
9
Two screws 
     (+BVTP 3
 
×
 10)
q;
SUB TRANS 
      board
6
qa
Screw
     (+BVTP 3
 
×
 10)
9
HCD-DX10/RG4SR/RG20/RG30T
2-6. MAIN BOARD AND POWER BOARD
2-7. BASE UNIT
6
Three screws (+BVTP 3
 
×
 8)
8
Two screws (+BVTP 3
 
×
 8)
9
Heat sink
5
Two screws (+BVTP 3
 
×
 16)
1
Two screws (+BVTP 3
 
×
 10) 
4
MAIN board
7
POWER board
MAIN board
2
3
4
 Turn the pulley to the direction of arrow.
pulley
Base unit
qs
q;
Two screws 
      (+PTPWH M2.6)
6
Screw 
      (+PTPWH M2.6)
1
Pulley (B), chucking
2
Two screws (+PTPWH M2.6)
3
Lever (lifter)
qa
Screw (DIA. 12)
8
Two screws (+BVTP 2.6
 
×
 8)
qd
Two insulators
7
Holder (BU) assy
qd
Two insulators
9
Two stoppers (BU)
5
Flat type wire (16 core)
Two spring (insulator), coils
Spring (insulator),
coil
Spring
(insulator),
coil
10
HCD-DX10/RG4SR/RG20/RG30T
2-8. CD BOARD, DRIVER BOARD, MOTOR BOARD AND ADDRESS SENSOR BOARD
9
 Pull-out the Table.
4
Two
 screws (+BVTP 2.6 
×
 8)
q;
Screw (+PTPWH 2.6
 
×
 8)
qa
Tray
1
Screw (+BVTP 2.6
 
×
 8)
qs
Screw (+BVTP 2.6
 
×
 8)
6
Flat type wire (8 core)
3
Flat type wire 
    (8 core)
8
MOTOR board
qd
ADDRESS SENSOR board
qf
Flat type wire (16 core)
qh
CD board
2
DRIVER board
5
Remove two solderings of turn motor (M721).
7
Connector
qg
Four screws
     (+BVTP 2.6
 
×
 8)
11
HCD-DX10/RG4SR/RG20/RG30T
SECTION 3
TEST MODE
[Change-over of AM Tuner Step between 9 kHz and
10 kHz]
• A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select the function “TUNER”, and press  TUNER/BAND
button to select the BAND “AM”.
3. Press ?/1 button to turn the set OFF.
4. Press  TUNER/BAND  and ?/1 buttons simultaneously, and
the display of  fluorescent indicator tube changes to “AM 9 k
STEP” or “AM 10 k STEP”, and thus the channel step is changed
over.
[Cold Reset]
• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. Press three buttons x  ,  DISPLAY , and ?/1 simultaneously.
2. The fluorescent indicator tube displays “COLD RESET” and
the set is reset.
[Aging Mode]
This mode can be used for operation check of CD section and tape
deck section.
• If an error occurred:
The aging operation stops and is displayed status.
• If no error occurs:
The aging operation continues repeatedly.
1.
Operating method of Aging Mode
Turn on the main power and select “CD” of the function.
1) Set three discs in tray.  Select ALL DISCS, and REPEAT OFF.
2) Load the tapes recording use into both decks.
3) Press three buttons x ,  DISPLAY ,  and
DISC SKIP EX-CHANGE  simultaneously.
4) Aging operations of CD and tape are started at the same time.
5) To exit the aging mode, perform [Cold Reset].
2.
Aging mode in CD section
1) Operation during aging mode
• In the agining mode ,the program is excuted in the following
sequence.
(1) The disc tray opens and closes.
(2) The disc tray turns to select a disc 3.
(3) The pickup accesses to the first track, and plays 3 seconds.
(4) The pickup accesses to the last track, and plays 3 seconds.
(5) The disc tray opens and closes.
(6) The disc tray turns to select a disc 1.
(7) The same operation starts like step (3).
(8) After a disc 1 aging operation, a disc 2 is selected.
(9) When an aging operation of a disc 3 is completed, the display
“AGING 
∗∗∗∗
” value increases.
(10) If no error occurs, the aging operation continues repeatedly.
2) Error display
Step
1
2
3
4
5
6
7
8
9
10
11
12
Operation
Rewind the TAPE A
Rewind the TAPE B
Play the TAPE A (1 minute)
Stop the TAPE A (1 second)
Play the TAPE A (3 minutes)
Rewind(AMS) the TAPE A
F.F.(AMS) the TAPE A
Play the TAPE B (1 minute)
Stop the TAPE B (1 second)
Record the TAPE B (3 minutes)
Rewind(AMS) the TAPE B
F.F.(AMS) the TAPE B
Display
TAPE
AAG-1
TAPE
BAG-2
TAPE
AAG-2
TAPE
AAG-3
TAPE
AAG-4
TAPE
AAG-5
TAPE
AAG-6
TAPE
BAG-2
TAPE
BAG-3
TAPE
BAG-4
TAPE
BAG-5
TAPE
BAG-6
Disc error
Display
Error
E00D01022
Focus error (No disc)
E00D02022
Sub Q error (Focus is good)
E00D02023
TOC reading error
E00D02014
Access error (Unable within regular time)
Mechanism error
Display
Error
E00M__E_0
Error during opening tray
E00M__C_2
EX-CHANGE disc error
E00M__D_0
Error during closing tray
E00M__F_3
EX-OPEN error
E00M__D_5
EX-CLOSE error
E00M__C_2
Chuck-up error
E00M__C_3
Unchucking error
3.
Aging mode in Tape Deck section
1) Operation during aging mode
• In the agining mode, the program is excuted in the following
sequence.
2) Error display
• If error occurred, the display remains like “TAPE BAG-2”.
4.
Exiting from the aging mode
• Be sure to perform Cold Reset to exit from the aging mode.
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