Yamaha GX-500 Service Manual download pdf (Page 25)

GX-900

* ~ Data fetch cycle ~

TRACK No. “1” is searched.

~ PLAY ~

Set to SEARCH by means of Y, T key.

MUTE ON.

TRACK search.

After searching the beginning, MUTE is cancelled.

~ PLAY ~

MUTE ON.

Spindle motor stop.

Laser OFF.

Forced feed return.

~ STOP ~

: MUTE = “L” → “H”, “0:00” appears in the time indicator.

(IC11, 64 pin)

* TOC READ

After searching the beginning, MUTE is cancelled.

Press the STOP key.

: MUTE = “H” → “L”

: MUTE = “L” → “H”, “0:00” appears in the time indicator.

: LDON = “H” → “L” (IC5, 40 pin)

: FLSW = “L” (IC11, 26 pin)

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 102 103

MINI COMPONENT SYSTEM 1
■ TO SERVICE PERSONNEL 2
■ FRONT PANELS 4
■ REAR PANELS 5
■ SPECIFICATIONS 6
■ INTERNAL VIEW 7
P.C.B. Main (2) 11
P.C.B. Input 11
P.C.B. Main (1) 11
Friction 12
Disc Table 13
P.C.B. MD 15
Mechanism SW P.C.B 16
Loading Motor 16
Sled motor 16
Turn Table 17
Spindle Motor 17
Optical Pickup Head 17
MD Guide (B) 17
■ VOLUME RANGE 18
■ SYSTEM CONTROL CHECK 18
■ TEST MODE 19
■ SYSTEM TEST MODE 19
■ RECEIVER TEST MODE 20
■ TAPE TEST MODE 21
■ CD TEST MODE 22
■ CD ERROR MESSAGES 23
■ CD STANDARD OPERATION CHART 24
● OPEN operation 26
● DOWN operation 26
■ TAPE ADJUSTMENTS 28
“MECHANICAL ADJUSTMENT” 29
“ELECTRICAL ADJUSTMENT” 29
< Recording section > 30
MD TEST MODE 31
2. AUTO adjustment mode 33
8. TEST-PLAY mode 33
MECHANISM ADJUSTMENT 36
■ MD ERROR DISPLAY 39
Mechanism Error 40
■ MD TROUBLESHOOTING 41
■ IC DATA 46
ATRAC Encoder/Decoder 47
MD System Microprocessor 49
IC11 : M38199EF [P.C.B. CD] 55
-COM (CD CPU) 55
IC8 : M38199EF [P.C.B. INPUT] 58
-COM (SYSTEM CPU) 58
PATTERN AREA 60
■ BLOCK DIAGRAM 61
POWER OFF^STANDBY 64
Note : y ~ o 65
P.C.B. TUNER 66
(Lead Type Device) 66
P.C.B. CD (Lead Type Device) 67
FROM : INPUT (1) 68
P. C. B. INPUT ( 2 ) 69
TO: OPERATION(3) 70
P.C.B. MAIN(1) 71
■ PIN CONNECTION DIAGRAM 72
■ SCHEMATIC DIAGRAM (MD MAIN) 73
■ SCHEMATIC DIAGRAM (MD) 74
■ SCHEMATIC DIAGRAM (CD) 75
■ SCHEMATIC DIAGRAM (INPUT) 76
YMERSION 77
■ SCHEMATIC DIAGRAM (MAIN) 78
■ SCHEMATIC DIAGRAM (TUNER) 79
PARTS LIST 80
P.C.B. CD 81
P.C.B. CD & MD 82
P.C.B. INPUT 83
P.C.B. INPUT & MAIN 85
P.C.B. MAIN & OPERATION 86
P.C.B. OPERATION & TUNER 87
P.C.B. MD MAIN 89
P.C.B. MD MAIN & OTHER 91
CHIP RESISTOR 92
■ MECHANICAL PARTS 94
New Parts 95
GREASE APPLICATION DIAGRAM 99
(MD Recorder) 99
● Grease to be supplied 100
REMOTE CONTROL TRANSMITTER 101
1/4W Type 102
1/6W Type 102

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Yamaha GX-500 Service Manual Page 25

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