Pioneer GM-121 High Quality Service Manual

High quality reproduction of original factory service manual. The manual describes GM-121 component car stereo main amplifier. The manual includes circuit diagrams, parts catalog, specification and more. Refer to table of contents for more information. The manual covers models:

• GM-203 Power Amplifier For Car Stereo
• GM-201 Component Car Stereo Main Amplifier
• GM-123 Power Amplifier For Car Stereo
• GM-121 Component Car Stereo Main Amplifier

1. Parts Location

2. Connection

3. Disassembly

4. Circuit Description

5. Adjustment

6. Schematic Circuit Diagram (GM – 203)

7. Connection Diagram (GM – 203)

8. Schematic Circuit Diagram (GM – 201)

9. Connection Diagram (GM – 201)

10. Schematic Circuit Diagram (GM – 123)

11. Connection Diagram (GM – 123)

12. Schematic Circuit Diagram (GM – 121)

13. Connection Diagram (GM – 121)

14. Exploded View

15. Electrical Parts List

16. Packing Method