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Popular Yamaha AS1000BL Manual Pages
Service Manual - Page 1
... inherent to the industry, and more specifically YAMAHA Products, are already known and understood by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. A-S1000
STEREO AMPLIFIER
A-S1000
SERVICE MANUAL
IMPORTANT NOTICE
This manual has been provided for the use of...
Service Manual - Page 2
... this product, wash your skin! A-S1000
A-S1000
I TO SERVICE PERSONNEL
1. Critical Components Information Components having specifications equal to solder/flux vapor!
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER!
For U model "CAUTION" "F1: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A...
Service Manual - Page 7
...etc...150 mV/47 k-ohms PHONO MM ...2.5 mV/47 k-...S1000
A-S1000
I SPECIFICATIONS /
I General / Power Supply / U, C models ...AC 120 V, 60 Hz R, L models ...AC 110/120/220/230-240 V, 50/60 Hz T model ...AC 220 V, 50 Hz K model ...AC 220 V, 60 Hz A model ...AC 240 V, 50 Hz B, G models ...AC 230 V, 50 Hz J model ...AC 100 V, 50/60 Hz Power Consumption U, C, R, T, K, A, B, G, L models ...350 W J model...
Service Manual - Page 9
C308 on MAIN (3) P.C.B.. Then remove the panel side L. (Fig. 1) c.
f. C309 on MAIN (3) P.C.B.. Panel side R
I SERVICE PRECAUTIONS /
Safety measures
• Some internal parts in the order as specified. (Refer to "When installing the knob unit".)
Panel side L Top cover Coned disc spring L Hook
1 3 Hook Washer side 3 POWER ON / OFF switch
4 5
Refer to "PRINTED CIRCUIT ...
Service Manual - Page 10
...
Knob TC unit VOLUME MIN Slit VOLUME MAX Knob VOL unit
a. Match the lock set screw position with the "VOLUME MIN" position.
Tighten the lock set screw. A-S1000
G When installing the knob VOL unit: a.
e. c.
Turn the BALANCE (VR504) in it is installation of the knob TC unit. (Fig. 2) 10 e. Turn the VOLUME (VR501) counterclockwise fully...
Service Manual - Page 20
...adapter (Including flexible flat cable 9P, 300mm) / Part no.: AAX77610
G Preparation and precautions before starting the operation
• Download firmware upgrading program and firmware from the AC outlet. It is also recommended to write the latest firmware. Remove the panel side L/R and top cover. (Refer to [DISASSEMBLY PROCEDURS]) Set the switch (SW301) of RS232C conversion adapter to...
Service Manual - Page 28
...start this unit with a failure un-repaired and the protection function disabled, the...the protection function works and causes hindrance to trouble shoot, it is used with the protection function cancelled.... ON/OFF" switch
"BALANCE" knob
"AUDIO MUTE" switch
28 A-S1000
A-S1000
•
TMP protection L/Rch
Cause : Abnormal temperature of heat sink...set the "POWER ON/OFF" switch to the ON position.
Service Manual - Page 46
...repair work, perform discharge by connecting a discharge resistor (5k-ohms/ 10W) between terminals at following positions. The time required for discharging is turned off because an electric charge remains and a high voltage continues to take safety measures during servicing...S1000 1
B
C
D
E
F
G
H
I
J
MAIN (3) P.C.B. (Side A)
2
Safety measures • Some internal parts in this product...
Service Manual - Page 57
A
B
C
D
E
F
G
H
I
J
K
L
M
N
A-S1000
FUNCTION 3/3
1
Page 61 D9 to FRONT (14)_W8A, W8B (R, L models)
2P 600mm
W11A W11B
To POWER TRANSFORMER (U, C, T, K, A, B, G, J models)
2
5.0
5.0 6.5 3.3 6.5 3.3
6.5 5.0 0 5.1 5.0 0 0 0 0 0 0 0 0.7 0 0 5.1 0 ...replaced with parts having specifications equal to those originally installed. # Schematic diagram is subject to change without notice....
Service Manual - Page 58
...replaced with "#" are not included in this product contain high voltages and are dangerous even after the power is about 30 seconds. 1. C336 on MAIN (3) P.C.B.. 3. P.C.B. ass'y. MAIN 4. Before starting any repair... (2)
CB72 CB74
Note) Those parts marked with parts having specifications equal to those originally installed. # Schematic diagram is subject to change without notice.
1. MAIN 3. MAIN...
Service Manual - Page 61
...marked s and must be replaced with parts having specifications equal to those originally installed. # Schematic diagram is subject...Page 58
E3
W101B
+
A SPEAKERS R CH
- A
B
C
D
E
F
G
H
I
J
K
L
M
N
A-S1000
FRONT 3/3
1
32.0
32.0
FRONT (12)
2
-30.0 -30.0 9.6 9.6 9.6 9.6
29.9 30.0 29.9 12.2 12...
-11.9
7
FRONT (14)
R, L models
-11.9
-11.9
OUT L
W12A W12B W12C W12D VOLTAGE SELECTOR 230-240V...
Service Manual - Page 62
...MOTOR... SUPPORT,P.C.B....CAPACITOR...TEST POINT LIGHT DETECTING MODULE L.EMIT LED.DSPLY LED.INFRD MODUL.RF PHOT.CPL PHOT.INTR PHOT.RFLCT PIN.TEST PLST.RIVET R.ARRAY R.CAR. A-S1000
A-S1000
I REPLACEMENT PARTS LIST
• ELECTRICAL COMPONENT PARTS
WARNING
G Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed...
Service Manual - Page 71
A-S1000
A-S1000
P.C.B. ass'y. /
72 MAIN
s s
s
s s s s s
s s s s s s s s s
s s s s
✻ New Parts Note) Those parts marked with "#" are not included in the P.C.B.
Service Manual - Page 73
FRONT
s
✻ New Parts
74 MAIN and P.C.B. A-S1000
A-S1000
P.C.B.
Service Manual - Page 81
ass'y. / A A-S1000 1
B
C
D
E
F
G
H
I
J
•
AMP L UNIT
2-24
2-24
2
2-22
s
2-17 2-22 2-1
2-23
3
2-18 2-22 2-22 2-5 2-21 2-21 2-23
s
•
4
AMP R UNIT
3-23 3-21 3-22
3-23
5
3-1 3-22
3-22
3-22
6
3-21 3-5 3-18 3-22 3-17 3-24 3-24
7
82
✻ New Parts
Note) Those parts marked with "#" are not included in the P.C.B.
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