+PB
+PB
Power Amplifier PRE
C317
+HPB
HP Amplifier
-HPB
HP Amplifier
C318
-PB
Power Amplifier PRE
-PB
G301
AMP_GND
HP_GND
Pin Jack
Rear Panel
AGND
+27V
LINE1 +20V
Input Buffer
+12REC
Rec out Buffer / Rec_MT
C319
LINE1 -20V
Input Buffer
-12REC
Rec out Buffer / Rec_MT
LINE2 +20V
Pre Amp Buffer / MAIN_MT
+12PRE
Pre out Buffer / Pre_MT
C320
LINE2 -20V
Pre Amp Buffer / MAIN_MT
-27V
-12PRE
Pre out Buffer / Pre_MT
VOL1 +18V
VOL Lch
VOL1 -18V
VOL Lch
VOL2 +18V
VOL Rch
VOL2 -18V
VOL Rch
MC +18V
MC Amplifier
MC -18V
MC Amplifier
MM +20V
MM Amplifier
MM -20V
MM Amplifier
+12C
RELAY/Meter LED
C12
+5C
LED_MT/INPUT_LED
C9
-12C
RELAY/Meter LED
ST501/ST503
Rear Panel
MG
+B1
Power Amplifier Rch
-B1
Power Amplifier Rch
+B2
Power Amplifier Rch
-B2
Power Amplifier Rch
RY1
+B3
Power Amplifier Lch
RY2
F1
-B3
Power Amplifier Lch
+B4
Power Amplifier Lch
-B4
Power Amplifier Lch
+5M
Microprocessor/Standby LED
+3.3M
REM
AC IN
+5S
Control Around Microprocessor
Toneconl/VOL/Expanded IC
MG
RY1
Q2
RY_PWR1
+5.6V
+5M
+3.3M
IC411
+5S
STBY_CNT
C3
MG
D305
D305
LINE1 +20V
LINE1 +20V
LINE2 +20V
LINE2 +20V
VOL1 +18V
VOL1 -18V
VOL2 +18V
VOL2 -18V
MC +18V
MC -18V
MM +20V
MM -20V
D6
+12C
-12C
D301
D302
D334
D335
D765–D768
POWER
SWITCH
+9V
IC506
IC504
Power transformer
Sub-transformer
• See page 69
→
SCHEMATIC DIAGRAM
MAIN
• See page 67, 68
→
SCHEMATIC DIAGRAM
FUNCTION
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
A-S3000
43
Power Supply Sections Block Diagram
Содержание A-S3000
Страница 3: ... FRONT PANELS U K A B G L V J models T model 3 A S3000 A S3000 ...
Страница 4: ... REAR PANELS U model K model T model 4 A S3000 A S3000 ...
Страница 5: ...A model B G models L model 5 A S3000 A S3000 ...
Страница 6: ...V model J model 6 A S3000 A S3000 ...
Страница 100: ...MEMO 101 A S3000 A S3000 101 ...
Страница 101: ...A S3000 ...