Panasonic SV-3700 Service Manual

ORDER NO. AD9010314C2
Professional Digital Audio Tape Deck
oV-370¢
Color
| (H)...Gray Type
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:
4
z
;
|
:
:
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Area
Country | ‘
ae Area Color
Code |
(EB) | Great Britain. |
i (KR)
EG) F.R. Germany & italy. |
SPECIFICATIONS
Signaling Format Input/Output Jacks |
Tape recording system: Rotary head type DAT Analog |
Sampling frequencies: Input jacks: XLR-3 type
For recording: 48 kHz/44.1 kHz Nominal input level ~4dBu (—18 dB rec level)/
(analog/digital input) input impedance: 70 kQ balanced
32 kHz (digital input only) Output jacks: XLR-3 type :
For playback: 48 kH2/44.1 KHz32 KHz Nominal output ievel, ~4 dBu/— 10 dBu (switch selectabie) |
(selected automatically) Outputimpedance: 752 balanced :
No. of quantizing bits: 16-bit linear Phones output: Max. 30 mW/32Q |
No. of channels: 2 (stereo) matcning impedance 8~600Q)
Digital (AES/EBU type)
Input jacks: ALR-3 type’ 100Q balanced
Output jacks: XLR-3 type/20Q balanced
Audio Parameters Digital (IEC TYPE IF)
(Recording
and
Playback
System)
Input
jack:
RCA
phono
type
(coaxial)/75
Output jack: RCA pnono type (coaxial)/75Q
Frequency response:
For 48 kHz: 10 Hz~22 kHz (
For 44.1 kHz: 10 Hz~20 kHz (=! :
Signal to noise ratio: Greater than 92 dB. DIN | Mechanism
ey, eee 22.4 Kez Dandpass) peas: . STAGIANORS SiMe SOIBOSR ONES /
Total harmonic Cylinder diameter: Se |
distortion: Less than 0.05% (7 «Hz, —~4 dBu) Cylinder rotation speed: 2.900 RBH» |
Less than 0.007% (1 kHz, ~22 dBu) ; leche auld pee eee
Wow and flutter: Unmeasurabie Jape speed: pris Tae e Seem Se,
‘selected automatically)
Search speed: Up to 250 times normai playoack
speed
[General si—‘sS™sSCs™r FF/Rewind speed: ee to 400 times nomal piayback
speed |
Power supply: 110 V/127 V/220 V/240 V AC, FF/Rewind time: Approx. 27 sec. (2 hours DAT tape |
50/60 Hz
Power consumption: 35 W
External dimensions: 43x 12.2x31.5¢m i
(WxHxD) (16%"« 49/4" 1252") Note: |
Weight: 6.14 kg (132 pouncs) Specifications are s:
without notice. |
oproximate.
Weight anc dimensi
anasonic

Panasonic SV-3700 Specifications

General

Brand	Panasonic
Model	SV-3700
Category	Tape Deck
Language	English

Summary

Connections and Settings

DIP Switch Settings

Functionality and settings of rear panel DIP switches.

Front Panel Controls

Tape Indexing and Search Controls

Controls for tape indexing (Start/Skip ID, End) and search functions.

DAT Maintenance Chart

Regular Maintenance Schedule

Recommended periodic maintenance schedule and purpose.

Maintenance Schedule Table

Table detailing part replacement and cleaning intervals.

DAT Head and Tape Transport Cleaning

Cleaning Procedure

Step-by-step guide for cleaning heads and transport.

Removal of the Upper Cylinder

Cylinder Removal Procedure

Steps for removing the upper cylinder (head assembly).

Disassembly Instructions

Loading Unit and PCB Removals

Steps for removing loading unit, main, servo, and RF PCBs.

Cabinet and Front Panel Removal

Steps for removing the cabinet and front panel.

Electrical Adjustment

Adjustment Points and Required Equipment

Diagrams of adjustment points and list of necessary tools.

Measurements and Adjustments

Preparation for Adjustment

Initial steps including cabinet removal and loading unit prep.

ATF Adjustments

ATF Gain Adjustment Procedure

Adjusting ATF gain using oscilloscope and VR107.

ATF RF Recording Level Adjustment Procedure

Adjusting RF recording level using oscilloscope and VR104/VR105.

PLL and PG Phase Adjustments

PLL Free Run Adjustment Procedure

Adjusting PLL free run frequency with a frequency counter.

PG Phase Adjustment Procedure

Adjusting PG phase using oscilloscope and VR201.

Detection and Linearity Adjustments

BOT/EOT Sensitivity Adjustment

Verifying and adjusting BOT/EOT detection sensitivity with VR271.

Linearity Adjustment Caution

Critical warning for linearity adjustment using post rollers.

DAC Adjustments

DAC Output Balance Adjustment Procedure

Adjusting DAC output balance with VR501/VR502.

DAC Offset Adjustment Procedure

Adjusting DAC offset with VR503/VR504.

IC Terminal Functions

IC101 (RF AMP) Terminal Functions

Pinout and functions for the RF amplifier IC.

IC201 (Servo Processor) Terminal Functions

Pinout and functions for the servo processor IC.

IC202 (ATF) Terminal Functions

Pinout and functions for the ATF IC.

IC203 (Linear Servo) Terminal Functions

Pinout and functions for the linear servo IC.

IC102 (Playback PLL) Terminal Functions

Pinout and functions for the playback PLL IC.

IC405 (A/D Converter) Terminal Functions

Pinout and functions for the A/D converter IC.

IC301 (System Control) Terminal Functions

Pinout and functions for the system control IC.

IC271 (Mechanism Control) Terminal Functions

Pinout and functions for the mechanism control IC.

IC502 (Serial/Parallel Converter) Terminal Functions

Pinout and functions for the serial/parallel converter IC.

IC503-506 (D/A Converter) Terminal Functions

Pinout and functions for the D/A converter ICs.

IC351 (Digital Signal Processor) Terminal Functions

Pinout and functions for the digital signal processor IC.

IC601 (Panel Control & FL Drive) Terminal Functions

Pinout and functions for panel control and FL drive IC.

Block Diagram

System Overview Diagram

High-level block diagram of the entire system.

Servo and Motor Control Blocks

Detailed block diagrams for servo and motor circuits.

Servo and Control Circuitry Blocks

Detailed block diagrams for servo and control circuits.

Internal Connections and Terminal Guides

Component Terminal Guides

Terminal functions for ICs, transistors, and diodes.

IC, Transistor, and Diode Pinouts

Terminal functions for ICs, transistors, and diodes.

Schematic Diagrams

Digital/Analog Terminal and Headphones Circuits

Main Circuit Schematics

Operation Circuit Schematics

Power and Remote Control Circuits

Regulator IC and Power Supply Circuits

Servo Circuit Schematics

FL Drive and Remote Control Circuits

Power Supply and Regulator Circuits

Operation Circuit Details

Power, Remote Control, and FL Drive Circuits

Wiring Connection Diagram

Overall Wiring Diagram

Diagram showing connections between major PCBs and blocks.

Troubleshooting Flowcharts

Capstan Unlock and Cylinder Unlock Errors

Tape Errors and Abnormal Loading

Power/Display, Key Operation, and Playback Errors

Mode and Tape Loading Lock Errors

Reel Cycle Measurement and Tape Jamming Errors

Gear Engagement and Playback Sound Issues

Tape Jamming and SP1 Malfunction Errors

Fast Forward/Rewind and Cylinder Unlock Errors

Playback Sound and Digital Output Errors

Error Rate and Level Meter Information

About the Error Rate

About the Level Meter

Error Rate Display Function

Key Troubleshooting Points

Mechanism, Capstan, Cylinder, ATF Issues

Key points for mechanism, capstan, cylinder, and ATF troubleshooting.

Signal Processing, Panel, Head, Analog Issues

Key points for signal processing, panel, head, and analog troubleshooting.

Exploded Views

Cabinet and Chassis Parts

Loading Mechanism Parts

Mechanism Parts List

Printed Circuit Boards

Operation PCB Types (REP1952A) Identification