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3-45
3-46
2. SMPS BLOCK DIAGRAM
Digital
Power
AMP
F_L
F_R
SW_L
SW_R
AC Line
Filter Block
(Varistor,
X-Cap
Line Filter
Thermistor)
Pulse
Trans
Half Bridge
LLC
Resonant IC
(ICE1HS01G)
FET
13 A
600 V
4 EA
14 VA
5.6 VA
+PVDD
(58 V )
AC
MAIN SMPS
IC
(STR-2A153D)
Flyback
MAIN
TRANS
u-com / BT
USB / MPEG
FAN/Mic/
Relay
PFC
P-CTRL
Half
Bridge
LLC
TRANS
(AMP)
- 5 V
-PVDD
(-58 V )
GATE
Half
Bridge
LLC
TRANS
(AMP)
Gate
Drive
2.2 CH 3000 W
OPAMP
AMP
P-CTRL
Totem
pole
PFC IC
(R2A20112A)
Interleaved
CRM
FET
20 A
600 V
4 EA
Gate
Drive
+
PFC Out
(395 V)
Ǹ
Ǹ
Ǹ
Ǹ
Ǹ
Ǹ
On/Off
On/Off
Ǹ
Vcc
Vcc
On/Off
On/Off
Relay
LED, VFD
Motor Drive
12 V
Ǹ
Summary of Contents for CM9750
Page 15: ...2 2 ...
Page 19: ...4 SPEAKER SECTION A60L A60R ...
Page 75: ...3 71 3 72 PRINTED CIRCUIT BOARD DIAGRAMS 1 SMPS P C BOARD TOP VIEW ...
Page 77: ...3 75 3 76 2 MAIN P C BOARD TOP VIEW ...
Page 78: ...3 77 3 78 MAIN P C BOARD BOTTOM VIEW ...
Page 79: ...3 79 3 80 3 FRONT P C BOARD TOP VIEW ...
Page 80: ...3 81 3 82 FRONT P C BOARD BOTTOM VIEW ...
Page 81: ...3 83 3 84 4 FRONT_CTRL P C BOARD TOP VIEW BOTTOM VIEW ...