Service manual

50
SA-AKX36PH/PN POWER SUPPLY (2/2) BLOCK DIAGRAM
TO POWER SUPPLY
BLOCK (1/2)
5
2
3
1
4
D1001
PW 3V3PW 6V
PW +6V
3 VIN
+3.3V VOLTAGE
REGULATOR
C0DBGYY03909
IC1000
VOUT 2
PW 3V3,PW 3R3V DIG,PW 3R3V DAC,PW 3R3V CD
+3.3V
PW 6V
+6V
VBUSVBUS VBUS
11
ZJ6400*CN2002
DC DET PWR
DC DET PWR
PW 12V
+12V
VBUS
+5V
MAIN P.C.B.
USB P.C.B.
NOTE: “ * ” REF IS FOR INDICATION ONLY
D1002
D1005
Q1000
+12V VOLTAGE
REGULATOR
PW 12VPW 16V
VP DET
625
CN6001CN2000
VP DET
292
CN6001CN2000
823
CN6001CN2000
+16V
CD3.3V
+16V
CD3.3V PW CD3R3V
+3.3V
PW +5V
+5V
274
CN6001CN2000
SYS3.3VPW SYS3R3V SYS3.3V PW SYS3R3V
+3.3V
301
CN6001CN2000
+5VPW +5V
PW +16V
+5V
PW +16V
F-
-VP
F+
F-
-VP
F+
SWITCHING
TRANSFORMER
T6000
Q6001
F+
-VP
F-
FL DISPLAY
VOLTAGE SUPPLY
CIRCUIT
PW SYS3R3V
+3.3V
22
CN6500CN6002
SYS3.3V SYS3.3V
REMOTE SENSOR P.C.B.
PANEL P.C.B.
QR1000
DC DETECT