PT-RQ32K - Panasonic Projector Service Manual (repair manual). Page 10

Read Panasonic PT-RQ32K Service Manual online

DIA-10
SCHEMATIC DIAGRAMS
< RQ32K >
POWER  CORD
PF-PCB
PB-P.C.B
MAIN POWER
SWITCH
PF7
1
2
7
8
PF6
1
2
7
8
1
3
PB6
PB3
1
3
4
6
7
8
9-12
13
1-3
PB5
1/2/5/6/9/10/13/14/17/18
21
PB4
22
25,26
29
1
1-18
3
A1
5
7
9
11
PF4
PB1
1
6-7
8
9
10
PB2
1
6
7-8
10
PF5
1
2
15
16
7-8
9
10
11
PF9
1
2
7
8
PF8
1
2
7
8
POWER SUPPLY
CIRCUIT
POWER
CPU
380V_A
380V_A
P16V_A
P16V_A
380V_B
P16V_B
380V_A
P16V_A
380V_B
P16V_B
380V_B
UART_TXD/RXD_A
RELAY_ON
P16V_A_STB
P16V_B
AC_OFF_DET_A
380V_A_AC
UART_TXD/RXD_A
RELAY_ON
P16V_A_STB
AC_OFF_DET_A
+3.3VECO
+3.3VSTB
+5V
STB_ON
LOWB_ON
16V
+3.3VSTB
+5VSTB
3.3V
+12VB
16V
16V_FPGA
16V_SL1
16V_SL2
16V_DG1
16V_DG2
16V_DP1
16V_DP2
16V_DF1
16V_DF2
+3.3VSTB
+5VSTB
+3.3VSTB
+5VSTB
+5V
+3.3V
16V
ECO STANDBY
5V_STB(USB1)
5V_STB(USB2)
5V_STB(USB1)
5V_STB(USB2)
PWR_DOWN
UART_RXD/TXD_A/B
AC_OFF_ECOSTB
PWR_DOWN_B
380V_B
UART_TXD/RXD_B
P16V_B
PWR_DOWN_B
DC-DC
DC-DC
DC-DC
DC-DC
DC-DC
DC-DC
DC-DC
SW
SW
SW
NORMAL STANDBY
POWER ON
TR
REG.
Panel and terminal lighting
J-P.C.B
MA-P.C.B
A-P.C.B
DG-P.C.B
DF-P.C.B
DP-P.C.B
G-P.C.B
FM-P.C.B(G)
FM-P.C.B(R)
FM-P.C.B(B)
SLOT1
SLOT2
S-P.C.B
Control panel
J3
9
20
21
J2
10
IC6118
<SUB CPU>
CPULOWB1
POWERGOOD
Supply to Main CPU
and other circuits
Each step-down IC supplies
low voltage to the FPGA
Each step-down IC supplies
low voltage to the FPGA
Each step-down IC supplies
low voltage to the FPGA
Each step-down IC supplies
low voltage to the FPGA
CPLD/Serial flash memory
J4
1
3
4
6
7
8
9-12
13
+3.3VECO
+3.3VECO
+3.3VSTB
+5V
+5V
STB_ON
LOWB_ON
PWR_DOWN
UART_RXD/TXD_A/B
AC_OFF_ECOSTB
1
3
J5
11
13
J1
USB Socket
1
S1
10
1
MA3
9
20
21
MA1
P1/P2
P6
P1/P2
P6
P1/P2
P6
P1/P2
P6
MA2
MA5
P1
A5
P1
+5VSTB
+5VSTB
PWR_DOWN
CPU_LOWB_ON
A4
P1
MA4
97
96
P2
P1
97
96
P2
IC6121
+16V_SL1
+16V_SL2
IC3341
IC3351
IC3786
IC3781
IC3501
<MAIN CPU>
<FPGA2>
+5VSTB
16V_SL1
16V_SL2
DG3
P1
P2
DG2
72
98
A3
P1
P2
A2
72
98
PWRGOOD2
PROTECTION
PWRGOOD2
PROTECTION
PWRGOOD2
PROTECTION
DG1
P5
P3/P4
P6
47
66
DF1
P5
P3/P4
P6
47
66
1
3
DF3
5
7
9
11
16V_DG1
16V_DG2
+3.3VSTB
+3.3VSTB
IC2601
<FPGA3>
IC4201
<FPGA4>
IC5001
<FPGA5A>
IC7025
<FPGA5B>
IC7077
<FPGA6>
IC6522
CPLD/Serial flash memory
Serial flash memory
P5
P3/P4
P6
47
66
P5
P3/P4
P6
47
66
DF2
DP1
FM4
DP11
1/2
1/2
FM4
DP16
1/2
FM4
DP21
1/2
1/2
16V_DP2
1/2
+3.3VSTB
16V_DP1
DP2
1
2
1
2
G1
Supply to FAN 
Control circuit
1
2
3
G2
+16V_A
+16V_B
+16V_C
+3.3VECO
+3.3VECO
+5V
11
13
G28
1
S2
R1
1
G9
1
R-P.C.B
IR Receiver
RR1
1
G14
1
RR-P.C.B
BF1
13
RR3
13
BF-P.C.B
IR Receiver
NORMAL STANDBY=Hi
ECO STANDBY=LOW (Power ON “Hi”)
Power ON : Hi
+3.3V_FP
+3.3V
IC6529
IC6554
D5
DR8
D-PCB
D-PCB
D1
1
4
D1
1
4
DR-P.C.B
D-PCB
D-PCB
D1
1
4
D1
1
4
D2
1
3
5
7
8
DR5
1
3
5
7
8
D5
DR7
D2
1
3
5
7
8
DR2
1
3
5
7
8
D5
DR8
DR-P.C.B
D2
1
3
5
7
8
DR5
1
3
5
7
8
D5
DR7
D2
1
3
5
7
8
DR2
1
3
5
7
8
LD1S
LD2S
LD1B
LD2B
40V 80V
12V 3.3V
-120V
40V 80V
12V 3.3V
-120V
40V 80V
12V 3.3V
-120V
40V 80V
12V 3.3V
-120V
40V 80V
12V 3.3V
-120V
40V 80V
12V 3.3V
-120V
40V 80V
12V 3.3V
-120V
40V 80V
12V 3.3V
-120V
P16V_A
380V_B
380V_A
P16V_B
380V_A
P16V_A
380V_B
P16V_B
+3.3VECO
+5VSTB
16V_A/B/C
+12V
Output status
Control signal input status
Mode
+5V
+16V
+380V
+3.3V
+3.3VSTB
ECO
STANDBY
NORMAL
STANDBY
POWER ON
Hi
Low
Low
Low
Hi
Hi
STB_ON
LOWB_ON
(PB3
-7)
(PB3-8)
ー
(OFF)
ー
(OFF)
ー
(OFF)
ー
(OFF)
ー
(OFF)
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
(Boost)
(Boost OFF)
ON
ー
(OFF)
ー
(OFF)
ー
(OFF)
ー
ー
(OFF)
ー
(OFF)
ー
(OFF)
ー
(OFF)
ー
(OFF)
AC Plug IN Main SW ON POWER ON
380V_A_AC
LOWB_ON
RELAY_ON
STB_ON
+3.3VSTB
+5VSTB
+3.3VECO
+5V / +12V /+16V
POWER SUPPLY TIMING CHART (
ECO
 STANBY MODE)
AC Plug IN Main SW ON POWER ON
380V_AC_A
LOWB_ON
RELAY_ON
STB_ON
+3.3VSTB
+5VSTB
+3.3VECO
+5V / +12V /+16V
POWER SUPPLY TIMING CHART (
NORMAL
 STANBY MODE)
SUB CPU ON
SUB CPU ON
LOW B ON
LD ON
LOW B ON
LD ON
MAIN CPU ON
MAIN CPU ON
2. 2. Power supply flow and timing chart
Display
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