Owner's Manual
Table Of Contents
- Owner's Manual
- Service Manual
- Table of Contents
- Safety Precautions
- Warning
- Specifications
- Location of Controls and Components
- Troubleshooting Guide
- Disassembly and Assembly Instructions
- Types of Screws
- Disassembly Flow Chart
- Main Components and P.C.B. Locations
- Disassembly of T/T Rubber Matand Turntable Ass’y
- Disassembly of Insulator Unit
- Disassembly of Bottom Chassis Ass’y
- Disassembly of DC Motors
- Disassembly of Phono Out P.C.B.
- Disassembly of Tone Arm All Unit Ass’y, Queuing Knob and Armrest Ass’y
- Disassembly of Main P.C.B.
- Disassembly of SMPS P.C.B.
- Disassembly of Panel P.C.B.
- Measurements and Adjustments
- Block Diagram
- Wiring Connection Diagram
- Exploded View and Replacement Parts List
14
＋
5V (PHONO)
＋
5V (MUTE ON)
0V
(LINE)
0V
(MUTE OFF)
No sound from LINE OUT Terminal
(Large humming noise)
(from the previous section)
MAIN PCB
Is the correct voltage
presented at following points?
Normal:
CK2021-CK2022(GND) : +11.5 to +12.5V
CK2023-CK2022(GND) : -11.5 to -12.5V
YES
NO
Disconect Connector P2102.
Is the correct voltage presented at following points?
Normal:
CK2021-CK2022(GND) : +11.5 to +12.5V
CK2023-CK2022(GND) : -11.5 to -12.5V
YES
NO
Replace MAIN PCB.
Replace PHONO OUT PCB.
YES
NO
Insert correctly.
Is the FFC between
P1002 on MAIN PCB and
P4002 on PHONO OUT PCB
inserted correctly?
Replace MAIN PCB.
Replace PHONO OUT PCB.
Replace PHONO OUT PCB.
What voltage between
CKB2 and CKB4 (GND)?
What voltage between
CKB3 and CKB4 (GND)?
CK2022:GND
CK2023:-12V
CK2021:+12V
Connector
P2102
CKB3
(PHONO_EQ_MUTE)
CKB4
(GND)
CKB2
(PHONO_H_LINE_L)
MAIN PCB
P1002
P4002