Table of Contents
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SERVICE MANUAL
HCD-ZX70DVD
SUPPLEMENT-1
File this supplement with the service manual.
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
TABLE OF CONTENTS
1.
CORRECTION
1-1. Schematic Diagrams ....................................................... 2
1-2. Electrical Parts List ......................................................... 3
2.
SERVICING NOTE
3.
SERVICE MODE
4.
TEST MODE
.............................................................. 7
5.
ELECTRICAL ADJUSTMENTS
DECK Section ................................................................. 17
VIDEO Section ............................................................... 20
6.
BLOCK DIAGRAMS
6-1. Block Diagram – SERVO Section – .............................. 21
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
7.
IC BLOCK DIAGRAMS
8.
IC PIN FUNCTION DESCRIPTION
.................................................. 4
...................................................... 5
........................................ 30
................ 30
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
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Summary of Contents for Sony HCD-ZX70DVD
- Page 1 HCD-ZX70DVD US Model Canadian Model SERVICE MANUAL AEP Model UK Model E Model Australian Model Chinese Model SUPPLEMENT-1 File this supplement with the service manual. Subject: 1. Correction 2. Servicing Note 3. Service Mode 4. Test Mode 5. Electrical Adjustments 6.
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Page 2: Schematic Diagrams
CORRECTION 1-1. SCHEMATIC DIAGRAMS : Indicates corrected portion. Page INCORRECT CORRECT – 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 (Page 25) (Page 25) –... -
Page 3: Electrical Parts List
1-2. ELECTRICAL PARTS LIST Page INCORRECT CORRECT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R237 1-216-216-00 RES-CHIP 5.6K 1/8W R237 1-216-208-00 RES-CHIP 2.7K 1/8W (MY, SP, HK, TH, TW, CH) (CH) R237 1-216-216-00 RES-CHIP 5.6K 1/8W (MY, SP, HK, TH, TW) •... -
Page 4: Servicing Note
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). -
Page 5: Service Mode
[Change-over of AM Tuner Step between 9 kHz and SERVICE MODE 10 kHz] (Except AEP, UK and Saudi Arabia models) [MC Cold Reset] • A step of AM channels can be changed over between 9 kHz and • The cold reset clears all data including preset data stored in the 10 kHz. - Page 6 [MC Test Mode] • This mode is used to check operations of the respective sections of Amplifier, Tuner, CD and Tape. Procedure: Press ?/1 button to turn the set ON. Press the three buttons of x , DISPLAY and DISC 3 simultaneously.
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Page 7: Test Mode
TEST MODE ### Syscon Diagnosis ### 4-1. GENERAL DESCRIPTION Diag All Check The Test Mode allows you to make diagnosis and adjustment eas- No. 2 Version ily using the remote commander and monitor TV. The instructions, diagnostic results, etc. are given on the on-screen display (OSD). 2-3. - Page 8 4. Servo Selecting 2 and subsequent items executes respective menus and outputs the results. For the contents of each submenu, see “Check Items List”. (4-2) Servo DSP Check Data write → read, and accord check General Description of Checking Method Error 12: Read data discord 2.
- Page 9 6. AV Decoder (5-4) ARP to RAM Address Bus Data write → other address read discord check Error 10: ARP → RAM address bus error (6-2) 1930 RAM Data write → read, and accord check Caution: Address and data display in case of an error is different from the display of other diagnosis (de- Error 13: AVD RAM read data discord scribed later).
- Page 10 Check Items List Error Codes List 00: Error not detected 01: RAM write/read data discord 2) Version 02: Gate array NG (2-2) Revision 03: EEPROM NG (2-3) ROM Check Sum 08: ARP register read data discord (2-4) Model Type 09: ARP ←→ RAM data bus error (2-5) Region 10: ARP ←→...
- Page 11 4-4. DRIVE AUTO ADJUSTMENT 1. DVD-SL (single layer) [ENTER] Select , insert DVD single layer disc, and press key, On the Test Mode Menu screen, press key on the remote com- and the adjustment will be made through the following steps, then mander, and the Adjustment Menu will be displayed.
- Page 12 2. CD 3. DVD-DL (dual layer) [ENTER] [ENTER] Select , insert CD disc, and press key, and the adjust- Select , insert DVD dual layer disc, and press key, ment will be made through the following steps, then adjusted val- and the adjustment will be made through the following steps, then ues will be written to the EEPROM.
- Page 13 4. SACD 4-5. DRIVE MANUAL OPERATION [ENTER] Select , insert SACD disc, and press key, and the On the Test Mode Menu screen, select , and the Operation Menu adjustment will be made through the following steps, then adjusted will be displayed. For the manual operation, each servo on/off values will be written to the EEPROM.
- Page 14 On this screen, the mirror time is measured to judge the disc and it [10/0] Reset SLED TILT Reset the Sled and Tilt to initial posi- is written to the EEPROM. First load DVD SL disc and press tion. next load CD disc and press , and finally load DVD DL disc and press Disk Type Check...
- Page 15 [10/0] 4-6. MECHA AGING Reset Reset the Sled and Tilt to initial posi- SLED TILT tion. ### Aging Test MENU ### Turn ON/OFF the laser. Operation Menu Turn ON/OFF the spindle. 1. Changer Open/Close Test Focus Search the focus and turn on the focus. 2.
- Page 16 How to see Emergency History DA: The “ACK” for command from AV Decoder IC401 (MB board) and Audio DSP IC501 (MB board) are no return. DC: AV Decoder IC401 (MB board) can not operate inside. DD: It is time out to operate by inside of AV Decoder IC401 (MB board).
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Page 17: Deck Section
ELECTRICAL ADJUSTMENTS 3. Mode: Playback Test tape P-4-A100 DECK SECTION 0 dB=0.775V (10kHz, –10dB) Oscilloscope 1. Demagnetize the record/playback head with a head demagne- tizer. MAIN 2. Do not use a magnetized screwdriver for the adjustments. board 3. After the adjustments, apply suitable locking compound to the CN301 parts adjusted. - Page 18 Tape Speed Adjustment (Deck B) Record Bias Adjustment (Deck B) Note: Set the test mode using the following method and begin tape Procedure: speed adjustment. In the test mode, the speed will switch to double speed or INTRODUCTION When set to the test mode performed in Tape Speed Adjust- normal speed each time the HI-DUB button is pressed.
- Page 19 Record Level Adjustment (Deck B) 4. Mode: Playback Recorded Procedure: Level meter position INTRODUCTION When set to the test mode performed in Tape Speed Adjust- – ment, when the tape is rewound after recording, the “REC memory MAIN board mode” which rewinds only the recorded portion and playback is CN301 1 (L-CH), set.
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Page 20: Video Section
Procedure: VIDEO SECTION 1. Select the initial menu “6. Video Level Adjustment” in the test Note: During diagnostic check, the characters and color bars can be seen mode so that color bars are generated. (Refer to “4-9. VIDEO only with the NTSC monitor. Therefore, for diagnostic check, use LEVEL ADJUSTMENT”... -
Page 21: Block Diagram – Servo Section
HCD-ZX70DVD BLOCK DIAGRAMS 6-1. BLOCK DIAGRAM – SERVO Section – RFIP DVD/CD RF ATOP (Page 22) SIGO ATON SSOUT SIGDET DVD +5V CENTER VOLTAGE HOLD1 DVD +3.3V GENERATOR IC803 (2/2) DIGITAL SERVO DETECTOR SIGNAL PROCESSOR 2.5VC IC701 DVD/CD RF AMP,... -
Page 22: Block Diagram Signal Process/Video Section
HCD-ZX70DVD 6-2. BLOCK DIAGRAM – SIGNAL PROCESS/VIDEO Section – VIDEO BUFFER IC691 • SIGNAL PATH J692 COMP OUT DVD/CD RF : DVD PLAY VIDEO OUT (Page 21) RFIN1 SD0 – SD7 C OUT : CD PLAY RFIN2 : DVD/CD PLAY (VIDEO) -
Page 23: Block Diagram Dvd/Cd Audio, Dvd/Cd Pll Section
HCD-ZX70DVD 6-3. BLOCK DIAGRAM – DVD/CD AUDIO, DVD/CD PLL Section – AUDIO DIGITAL SIGNAL PROCESSOR • R-ch is omitted due to same as L-ch. IC501 • SIGNAL PATH OPTICAL DOUT D OUT CD DIGITAL OUT (Page 22) CDDOBYP TRANSCEIVER OPTICAL... -
Page 24: Block Diagram – Dvd/Cd Main Section
HCD-ZX70DVD 6-4. BLOCK DIAGRAM – DVD/CD MAIN Section – HD8 – HD15 HD0 – HD15 (Page 21) DATA BUS (Page 22) HA0, HA1 HA0 – HA21 ADDRESS BUS (Page 22) (Page 21) HD0 – HD15 HA1 – HA16 HD0 – HD15 HA1 –... -
Page 25: Block Diagram – Tuner/Tape Deck Section
HCD-ZX70DVD 6-5. BLOCK DIAGRAM – TUNER/TAPE DECK Section – TUNER PACK (AEP, UK) FM 75Ω ST-L ST-L (Page 26) (EXCEPT AEP, UK) R-CH ST-R FM ANT ST-DIN ST-DIN 75Ω ANT GND ST-DOUT ST-DOUT ST-CLK ST-CLK AM ANT ST-CE ST-CE ANT GND... -
Page 26: Block Diagram – Main Section (1/2)
HCD-ZX70DVD • R-ch is omitted due to same as L-ch. 6-6. BLOCK DIAGRAM – MAIN Section (1/2) – • SIGNAL PATH : TAPE (PLAY) RV1601 : DVD/CD PLAY (AUDIO) : TAPE (REC) MIC VOL J1601 : MIC : TUNER MIC AMP... -
Page 27: Block Diagram – Main Section (2/2)
HCD-ZX70DVD 6-7. BLOCK DIAGRAM – MAIN Section (2/2) – J1691 PHONES D871 FEED BACK (Page 26) TM801 L IN (Page 26) POWER AMP – FRONT SPEAKE IC801 IMPEDANCE R-CH USE 8-16Ω – RY881 OVER LOAD DETECT MUTING Q801, 851 Q961... -
Page 28: Block Diagram – Display Section
HCD-ZX70DVD 6-8. BLOCK DIAGRAM – DISPLAY Section – FL701 FLUORESCENT INDICATOR TUBE BAND-PASS DISPLAY CONTROLLER FILTER IC704 IC701 LINE IN (Page 26) SPEANA (Page 26) REC IN 23 – 8 G3 – 18G FL GRID DRIVE IC703 RESET D601 LED DRIVE... -
Page 29: Block Diagram – Power Supply Section
HCD-ZX70DVD 6-9. BLOCK DIAGRAM – POWER SUPPLY Section – X3VRST (Page 21) RESET RSTX (Page 26) (Page 24) RESET SIGNAL GENERATOR (US, CND, AEP, UK) IC207 RESET D508 (Page 28) +3.3V REGULATOR BU+5.6V DVD +3.3V DVD V3.3V IC302 D509 DVD +3.3V +12V +3.3V REGULATOR... -
Page 30: Ic Block Diagrams
IC BLOCK DIAGRAMS IC PIN FUNCTION DESCRIPTION – MB BOARD – • MB BOARD IC202 MB91101APFV-G-BND (DVD SYSTEM CONTROLLER) Pin No. Pin Name Description IC001 PLL1700E/2K X1/X2 Analog filter gain control signal output terminal Not used GAIN1 VES gain control signal output terminal “H”: VES Not used GAIN2 Rear channel boost control signal output terminal “H”: rear boost Not used 20 19... - Page 31 Pin No. Pin Name Description Serial data output to the audio DSP (IC501), DSD decoder (IC901) and D/A converter (IC902, IC905 to 907) RS-232C data input terminal (for debug) RS-232C data output terminal (for debug) XRST Reset signal output to the gate array (IC601) DACK1 Acknowledge signal output to the AV decoder (IC401) DACK0...
- Page 32 • IF BOARD IC1 µPD784214AYGF-501-3BA (IF CONTROLLER) Pin No. Pin Name Description 1 to 8 — Not used (open) — Power supply terminal (+5V) DRVCS Chip select signal output for FL driver Not used (open) DRVRST Reset signal output for FL driver “L”: reset Not used (open) LEDLAT0, 12, 13 LED driver latch pulse output terminal Not used (open)
- Page 33 Pin No. Pin Name Description 62, 63 — Not used (open) AVREF0 Reference voltage (+5V) input terminal (for A/D conversion) — Ground terminal DRVDAT Serial data output for FL driver Not used (open) DRVCLK Serial data transfer clock signal output for FL driver Not used (open) SYSIN Serial data input from the DVD system controller (IC202) SYSOUT...
- Page 34 • MAIN BOARD IC401 M30620MCA-A53FP (SYSTEM CONTROLLER) Pin No. Pin Name Description CD-DATA Serial data output terminal Not used (open) CD-CLK Serial data transfer clock signal output terminal Not used (open) Serial data latch pulse output terminal Not used (open) AC CUT AC off detection signal input from the reset signal generator (IC501) —...
- Page 35 Pin No. Pin Name Description 502-LAT Serial data latch pulse output to the M61502FP (IC101) 502-DATA Serial data output to the M61502FP (IC101) 502-CLK Serial data transfer clock signal output to the M61502FP (IC101) ST-CLK PLL serial data transfer clock signal output to the tuner pack ST-DIN PLL serial data input from the tuner pack ST-DOUT...
- Page 36 Pin No. Pin Name Description ENC0 Disc tray address detection signal input terminal Not used (fixed at “H”) DISC-SENS Disc in detection signal input terminal Not used (fixed at “H”) PRTC-SW (LID-SW) Disc lid close detection signal input terminal Not used (fixed at “H”) SOFT TEST For software check terminal A-SHUT...
- Page 37 • PANEL BOARD IC701 TMP88CS77AF-1A86 (DISPLAY CONTROLLER) Pin No. Pin Name Description LED SEL LED selection signal output terminal 2 to 12 LED0 to LED10 LED drive signal output terminal STANDBY LED LED drive signal output terminal (I/1) TIMER LED LED drive signal output terminal (TIMER SELECT) VOL A Rotary encoder pulse input from the S751 (VOLUME)
- Page 38 HCD-ZX70DVD Sony Corporation 9-929-264-81 2000H0572-1 Audio Entertainment Group Printed in Japan C 2000. 8 Published by General Engineering Dept.