Roland SH-5 Service Manual

WPW.
MANUAL MANOR
SH-5
Service Notes
Scan by Manual Manor
http://www.markglinsky.com/ManualManor.html

Roland SH-5 Specifications

General

Brand	Roland
Model	SH-5
Category	Synthesizer
Language	English

Summary

1. SPECIFICATIONS

3. DESCRIPTION OF ASSEMBLIES

3-1. KEYBOARD UNIT ASSEMBLY KB-1

Describes the KB-1 unit and its subdivisions.

3-2. CONTROL UNIT ASSEMBLY CU-1

Lists subdivisions of the CU-1.

3-2-1. CIRCUIT BOARD ASSEMBLY OP-19

Details circuits on OP-19 board.

3-2-2. VCO BOARD ASSEMBLY VO-3

Describes VCO-1 operation and wave shaping.

3-2-3. CIRCUIT BOARD ASSEMBLY OP-20

Covers VCO-2 and Ring Modulator circuits.

3-2-4. MIXER BOARD ASSEMBLY OP-23

Explains signal routing and external input amp.

3-2-5. CIRCUIT BOARD ASSEMBLY OP-21

Details VCF, BPF, and VCA circuits.

3-2-6. CIRCUIT BOARD ASSEMBLY OP-22

Explains AR, ADSR, and Fixed Env. circuits.

3-3. SUB CHASSIS UNIT ASSEMBLY SU-1

Covers output jacks and external control inputs.

3-4. POWER SUPPLY UNIT ASSEMBLY PC-5

Describes power supply unit and voltage accuracy.

4. GENERAL CAUTIONS

4-1. Fuses

Guidance on fuse replacement and issues.

4-2. Adjustment

Notes on calibration order and accuracy.

4-3. Slide Switch

Importance of correct slide switch positioning.

4-4. Replacement of parts

Using specified parts for stability and damage prevention.

5. GENERAL BLOCK DIAGRAM

6. CABINET DISASSEMBLY

7. WIRING BLOCK DIAGRAM

8. KEYBOARD UNIT ASSEMBLY KB-1 (167-001)

8-1. KEYBOARD ASSEMBLY SK-142B (004-003)

Details the SK-142B keyboard assembly components.

8-2. BENDER ASSEMBLY PB-1 (029-020)

Details the PB-1 bender assembly components.

8-3. CONTROL UNIT ASSEMBLY CU-2A (166-002A)

8-4. MANUAL BOARD ASSEMBLY OP-25A (149-925A)

Details OP-25A manual board assembly components.

8-5. KEYBOARD UNIT CIRCUIT KB-1 (SK-142B, CU-2A, OP-25A, PB-1)

9. CONTROL UNIT ASSEMBLY CU-1 (166-001)

9-1. CONTROL UNIT CIRCUIT (CU-1) (OP-19B, VO-3A, OP-20B, OP-23A, OP-21B, OP-22A.)

Details the CU-1 circuit diagram.

9-2. CIRCUIT BOARD ASSEMBLY OP-19A (149-019A)

Details OP-19A circuit board components.

9-2a. CIRCUIT BOARD ASSEMBLY OP-19B (149-019B)

Details OP-19B circuit board components.

9-3. CIRCUIT DIAGRAM (OP-19B) (±10V, Phones, LFO-1, LFO-2, Noise Gen. S/H)

Provides circuit diagram for OP-19B.

9-4. VCO BOARD ASSEMBLY VO-3 (152-003)

Details VO-3 board assembly.

9-4a. VCO BOARD ASSEMBLY VO-3A (152-003A)

Details VO-3A board assembly for serial numbers 450400 to 490949.

9-4-2. VCO BOARD ASSEMBLY VO-3B (152-003B)

Details VO-3B board assembly for serial numbers 500950 and higher.

9-6. CIRCUIT BOARD ASSEMBLY OP-20A (149-020A)

Details OP-20A circuit board components.

9-6a. CIRCUIT BOARD ASSEMBLY OP-20B (149-020B)

Details OP-20B circuit board components.

9-7. CIRCUIT DIAGRAM (OP-20B) (VCO-2, Ring Mod)

Provides circuit diagram for OP-20B.

9-8. MIXER BOARD ASSEMBLY OP-23A (149-023A)

Details OP-23A mixer board assembly.

9-9. CIRCUIT DIAGRAM (OP-23A) (Mixer. Ext. Amp.)

Provides circuit diagram for OP-23A.

9-10a. CIRCUIT BOARD ASSEMBLY OP-21B (149-021B)

Details OP-21B circuit board assembly.

9-11. CIRCUIT DIAGRAM (OP-21B) (VCF, VCA, Band Pass Filter)

Provides circuit diagram for OP-21B.

9-12. CIRCUIT BOARD ASSEMBLY OP-22 (149-022)

Details OP-22 circuit board components.

9-12a. CIRCUIT BOARD ASSEMBLY OP-22A (149-022A)

Details OP-22A circuit board components.

9-13. CIRCUIT DIAGRAM (OP-22A) (AR, ADSR, Fixed Env. Lamp)

Provides circuit diagram for OP-22A.

10. SUB CHASSIS UNIT ASSEMBLY SU-1A (168-001A)

10-1. CIRCUIT DIAGRAM (SU-1A) (BX-13A)

11. POWER SUPPLY UNIT ASSEMBLY PC-5A (162-005A)

11-1. CIRCUIT DIAGRAM (PC-5A)

Provides the circuit diagram for the PC-5A power supply.

11-2. POWER SUPPLY BOARD ASSEMBLY PS-17A (146-017A)

11-3. POWER SUPPLY BOARD ASSEMBLY PS-23A (146-023A)

Details the PS-23A power supply board assembly.

12. ADJUSTMENT

Power Supply Voltage Adjustments

Adjusts ±14V and ±10V power supply voltages.

LFO and Sample/Hold Adjustments

Adjusts LFO-1, LFO-2, and Sample/Hold circuits.

Noise Generator and Keyboard Adjustments

Adjusts noise generator and keyboard key voltage.

Bender and VCO Adjustments

Adjusts bender voltage and VCO parameters.

VCO-1 Frequency Adjustment

Adjusts VCO-1 output frequency using methods.

OP-20 Module Adjustments

Covers VCO-2 and Ring Modulator adjustments for OP-20.

OP-21 Module Adjustments

Covers VCA and VCF adjustments for OP-21.

OP-22 Module Adjustments

Covers VCF, HPF, and ADSR adjustments for OP-22.

13. PARTS LIST

13-1 MANUAL BOARD ASSEMBLY OP-25A

Parts for OP-25A manual board.

13-2 CIRCUIT BOARD ASSEMBLY OP-19B

Parts for OP-19B circuit board.

13-5 MIXER BOARD ASSEMBLY OP-23A

Parts for OP-23A mixer board.

13-6 CIRCUIT BOARD ASSEMBLY OP-21B

Parts for OP-21B circuit board.

13-7 CIRCUIT BOARD ASSEMBLY OP-22A

Parts for OP-22A circuit board.

13-8 POWER SUPPLY BOARD ASSEMBLY PS-17A

Parts for PS-17A power supply board.

13-9 POWER SUPPLY BOARD ASSEMBLY PS-23A

Parts for PS-23A power supply board.