Sony HCD-V4800 Manuals

Sony HCD-V4800 Manuals

Manuals and User Guides for Sony HCD-V4800. We have 1 Sony HCD-V4800 manual available for free PDF download: Service Manual

Sony HCD-V4800 Service Manual

Sony HCD-V4800 Service Manual (68 pages)

Mini Hi-Fi component system

Brand: Sony | Category: Stereo System | Size: 1.12 MB

Table of Contents

Specifications
1
Back Panel
2
Model Identification
2
Laser Diode and Focus Search Operation Check
3
Notes on Laser Diode Emission Check
3
Servicing Notes
3
Table of Contents
3
1 General

4
- Location of Controls
  4
- Front Panel
  4
- Setting the Time
  6
- Rear Panel
  6
2 Disassembly

7
- Case
  7
- Front Panel Section
  8
- Main Board
  8
- Main Section
  9
- CD Mechanism Deck Section (Cdm37L-5Bd21Al)
  9
- Tape Mechansm Deck Section (Tcm-220Wr2)
  10
- Cassette Lid Ass’y
  10
- CD Lid Ass’y Section
  11
- Panel (A) / (B) Sub Ass’y
  11
- Base Unit (Bu-5Bd21Al)
  12
- Disc Table
  12
- Bd Board
  13
- Optical Pick-Up (Kss-213D/Q-Np), Sled Motor, Spindle Motor
  13
- Capstan Motor
  14
3 Test Mode

15
- MC Cold Reset
  15
- CD Delivery Mode
  15
- MC Hot Reset
  15
- Aging Mode in CD Section
  16
- Operation During Aging Mode
  16
- Disc Selection Sequence
  16
- Aging Mode in Tape Deck Section
  16
- Video CD Color Bar Mode
  17
- E-F Balance Mode
  17
- Video CD Color Bar Signal Output from J9001
  17
4 Mechanical Adjustments

18
5 Electrical Adjustments

18
- Deck Section
  18
- CD Section
  21
  - S-Curve Check
    21
  - RF Level Check
    21
  - E-F Balance (Traverse) Check
    21
- Video Section
  22
  - RF PLL Free-Run Frequency Check
    22
  - Frequency Adjustment
    22
6 Diagrams

23
- IC Pin Function Description
  23
  - Panel Board
    26
  - Video Board
    28
  - Circuit Boards Location
    32
  - BD Section
    33
  - IC Block Diagrams
    33
  - Ic101 Cxd8567Am
    34
  - Ic201 Cxd1852Aq
    34
  - Ic271 Bu6257Fv-E2
    35
  - Ic272 Tc7W74F
    35
  - Ic301 Cxd1854Q
    35
  - Ic401 Cxd1913Q
    36
  - Ic501 Sn74Hc245Ans
    36
  - MAIN/POWER SUPPLY Section
    37
  - Panel Section
    37
  - POWER AMP/KEY CONTROL Section
    37
7 Exploded Views

41
- Case, Rear Panel Section
  41
- Chassis Section
  44
- Tape Mechanism Deck Section
  45
- CD Mechanism Deck Section
  48
- Base Unit Section
  49
8 Electrical Parts List

50

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