Read Sony HCD-ZX70DVD Service Manual online
SERVICE MANUAL
HCD-ZX70DVD
SUPPLEMENT-1
File this supplement with the service manual.
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Subject: 1. Correction
2. Servicing Note
3. Service Mode
4. Test Mode
5. Electrical Adjustments
6. Block Diagrams
7. IC Block Diagrams
8. IC Pin Function Description
3. Service Mode
4. Test Mode
5. Electrical Adjustments
6. Block Diagrams
7. IC Block Diagrams
8. IC Pin Function Description
TABLE OF CONTENTS
1.
CORRECTION
1-1. Schematic Diagrams .......................................................
2
1-2. Electrical Parts List .........................................................
3
2.
SERVICING NOTE
..................................................
4
3.
SERVICE MODE
......................................................
5
4.
TEST MODE
..............................................................
7
5.
ELECTRICAL ADJUSTMENTS
DECK Section ................................................................. 17
VIDEO Section ............................................................... 20
VIDEO Section ............................................................... 20
6.
BLOCK DIAGRAMS
6-1. Block Diagram – SERVO Section – .............................. 21
6-2. Block Diagram
6-2. Block Diagram
– SIGNAL PROCESS/VIDEO Section – ....................... 22
6-3. Block Diagram
– DVD/CD AUDIO, DVD/CD PLL Section – .............. 23
6-4. Block Diagram – DVD/CD MAIN Section – ................ 24
6-5. Block Diagram – TUNER/TAPE DECK Section – ...... 25
6-6. Block Diagram – MAIN Section (1/2) – ....................... 26
6-7. Block Diagram – MAIN Section (2/2) – ....................... 27
6-8. Block Diagram – DISPLAY Section – .......................... 28
6-9. Block Diagram – POWER SUPPLY Section – ............. 29
6-5. Block Diagram – TUNER/TAPE DECK Section – ...... 25
6-6. Block Diagram – MAIN Section (1/2) – ....................... 26
6-7. Block Diagram – MAIN Section (2/2) – ....................... 27
6-8. Block Diagram – DISPLAY Section – .......................... 28
6-9. Block Diagram – POWER SUPPLY Section – ............. 29
7.
IC BLOCK DIAGRAMS
........................................ 30
8.
IC PIN FUNCTION DESCRIPTION
................ 30
2
1.
CORRECTION
1-1.
SCHEMATIC DIAGRAMS
!
: Indicates corrected portion.
Page
INCORRECT
CORRECT
35
– MB Board (1/10) –
Location : B-7
– MB Board (1/10) –
Location : B-7
– MB Board (8/10) –
Location : G-18
– MB Board (8/10) –
Location : G-18
– MB Board (10/10) –
Location : I-14
– MB Board (10/10) –
Location : I-14
^
(Page 25)
(Page 25)
(Page 39)
(Page 39)
(Page 41)
^
(Page 41)
^
^
• Abbreviation
AR
: Argentine model
AUS : Australian model
CH
CH
: Chinese model
CND : Canadian model
EA
EA
: Saudi Arabia model
HK : Hong Kong model
MX : Mexican model
MY : Malaysia model
SP
MY : Malaysia model
SP
: Singapore model
TH
: Thai model
TW : Taiwan model
37
28
3
1-2.
ELECTRICAL PARTS LIST
Page
INCORRECT
CORRECT
88
R237
1-216-216-00 RES-CHIP
5.6K
5%
1/8W
(MY, SP, HK, TH, TW, CH)
R237
1-216-208-00 RES-CHIP
2.7K
5%
1/8W
(CH)
R237
1-216-216-00 RES-CHIP
5.6K
5%
1/8W
(MY, SP, HK, TH, TW)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
• Abbreviation
CH
: Chinese model
HK : Hong Kong model
MY : Malaysia model
SP
MY : Malaysia model
SP
: Singapore model
TH
: Thai model
TW : Taiwan model
4
2.
SERVICING NOTE
CDM SHIP MODE
In sending the set back to the customers, place the set in the CDM
SHIP MODE through the procedure given below.
If the dummy disc is not inserted in the set returned from the
customers, ask customers for sending it or add new dummy disc
(Part No.: 4-228- 906-01 DISC, DUMMY).
Procedure:
1. Press the I/1 button to turn the power on.
2. Press the Z 1 button to open the disc tray 1, and put the dummy
SHIP MODE through the procedure given below.
If the dummy disc is not inserted in the set returned from the
customers, ask customers for sending it or add new dummy disc
(Part No.: 4-228- 906-01 DISC, DUMMY).
Procedure:
1. Press the I/1 button to turn the power on.
2. Press the Z 1 button to open the disc tray 1, and put the dummy
disc.
3. Press the I/1 button, and the disc tray will close and chucking
the disc automatically.
4. Unplug the power cord when the demo display or clock display
appears on the fluorescent display tube.
Note:
Peel off the protection sheets on both sides, if present on the dummy
disc.
disc.
NOTES ON INSTALLING OPTICAL PICK-UP
Note:
Follow the assembly procedure in the numerical order given.
3
three step screws
1
insulator
1
insulator
1
insulator
2
6
wire (flat type) (21 core) (CN002)
7
wire (flat type) (13 core) (CN001)
8
Remove the solder.
5
two screws
(BVTP 2.6)
(BVTP 2.6)
4
TK board
optical pick-up
(KHM-220AAA)
(KHM-220AAA)
Note: Installing optical pick-up,
remove the solder for short.
