Aloka SSD-680EX / SSD-680STD Service Manual – PDF Download
Original price was: $95.00.$18.95Current price is: $18.95.
Factory Aloka SSD-680EX / SSD-680STD Ultrasound Service Manual (Rev-4, 1994). Includes disassembly procedures, PCB replacement guidance, SMT board handling, system block diagrams, connector maps, Doppler & ECG options, alignment and performance checks, troubleshooting waveforms, maintenance records and principle-of-operation documentation. Searchable & printable PDF — instant download.
Description
Aloka SSD-680EX / SSD-680STD Service Manual – PDF Download
Description
This is the official Aloka SSD-680EX / SSD-680STD Echo Camera Service Manual (Document No. MN2-0187, Revision-4 — 22 Jul 1994), prepared by the Aloka ME Service Center and approved for field service engineers.
The intro pages specify that the unit incorporates surface-mount technology (S.M.T.) and PCB-level repairs are performed by module replacement, with circuit-level diagrams provided only in designated block-diagram and circuit-diagram sections (see Section 6 / 7)
The manual includes full disassembly procedures, system signal flow diagrams, connector & cable routing charts, Doppler/ECG options, troubleshooting logic, alignment procedures, performance verification forms, maintenance history and hardware/system principle of operation.
Table of Contents / Section Overview
SECTION 1 — General Information
Purpose of manual & service scope
SMT board handling notes
PCB unit replacement policy
Manual change / revision guidance
SECTION 2 — Precautions
(from page listing 2-1 to 2-4)
Electrical hazard precautions
Mechanical hazard precautions
X-ray / chemical safety notes
Cleaning & servicing precautions
Care to be taken in the field
SECTION 3 — Before Repairing
Service-manual modification work
Resetting backup RAM
Color-test pattern display method
Handling of SMD boards
Surface-mount technology notes & PCB limits
SECTION 4 — Disassembling Procedure
(37-sheet section with step-by-step removal)
Covers:
680EX disassembly instructions
680STD disassembly instructions
Installation procedures
Cabinet / panel / unit removal
Cable routing references
SECTION 5 — System Block Diagram
Shows major-signal flow & inter-board communication:
SSD-680EX system block
SSD-680STD system block
Inter-unit signal routing (probe → front end → processing → display)
Doppler, A/D, buffer and mixer chain diagrams (pages with labelled blocks & arrows)
RF paths, IF filters, ADC paths & gain stages
Probe relay logic, CW TX/RX blocks & buffer amps
SECTION 6 — Parts / Cable / Board Maps (excerpted page references)
Includes dozens of PCB & unit reference entries such as:
COLOR FLOW PROCESSOR
VIDEO I/F
DOP INTERFACE / DOP FILTER
FFT board
OUTPUT board
PHYSIO AMP / ECG MEMORY (option)
Multiple EP-** PCB identifiers** with page-indexed service references (pages 2–4 of TOC spread)
Plus cable harness listings & connector pages for:
CW TX / RX units
Main panel, keyboard & front jack
Foot switch & S-VHS connector
Isolation transformer & TV monitor options
SECTION 7 — Option Units
Doppler Unit (UPR-680STD → UGR-680EX upgrade)
Power supply unit board list
ECG Signal Display Unit (Option)
Switch panel assembly
SECTION 8 — Troubleshooting
PCB arrangement & ROM map
Correction for “Fail to Start / Locking-up”
PSU output connector list
Checklist map
Phenomenon code map
Waveform charts for troubleshooting (oscilloscope reference points)
SECTION 9 — Adjustment Procedure
PCB / unit adjustment guides
Settings required after replacement
SECTION 10 — Performance Check
Verification & acceptance test forms
SECTION 11 — Maintenance Information
Preventive maintenance notes
Revision / service history recording
SECTION 12 — History of Improvement
Design & hardware modification records
SECTION 15 — Principle of Operation (System)
Explains overall system-level signal operation.
SECTION 16 — Principle of Operation (Hardware)
Explains microscopic hardware-level operation of internal circuits
🧰 What This Manual Helps You Do
✔ Safely disassemble and re-assemble chassis & modules
✔ Replace PCB assemblies and SMT-based units
✔ Trace RF / IF / Doppler / video signal paths
✔ Diagnose failures using waveform references
✔ Perform alignment & calibration procedures
✔ Verify performance after repair
✔ Maintain revision & service history
📂 File Details
| Item | Details |
|---|---|
| Manual Name | Aloka SSD-680EX / SSD-680STD Service Manual |
| Document Number | MN2-0187 |
| Revision | Rev. 4 — 22 Jul 1994 |
| Models Covered | SSD-680EX • SSD-680STD |
| Pages | 20-page technical service booklet + diagrams |
| Format | High-resolution scanned PDF |
| Quality | Clear, printable & zoom-friendly pages |
| Language | English |
This is the official factory service manual used by Aloka service engineers. It includes PCB replacement procedures, disassembly steps, option-unit guidance, block diagrams, cable maps, troubleshooting waveforms and alignment instructions — far more detailed than an operator manual. Download instantly and start servicing your SSD-680 system today.
