Panasonic PT52LCX66 Service Manual - Page 25

Iris P.c.b. - calibration

Get Panasonic PT52LCX66 - MULTI MEDIA DISPLAY PDF manuals and user guides View all Panasonic PT52LCX66 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 25 highlights

PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 8) Abnormal Lamp detection circuit IC6001 (MAIN MICROCONTROLLER) CN6002 CN1522 CN1401 ON OFF Q6012 Q6011 LAMP ON(H) 18 1 1 LAMP ON(H) 16 16 LAMP STATUS 27 Q6001 Q6000 3 3 Q1602 13 13 POWER CONTROL CIRCUIT 2 SOS Normal LAMP STATUS (ON(H)/OFF (L)) SOS: Lamp does not light up Normal: Lamp ON MAIN P.C.B. POWER P.C.B. 9), 10) Iris Mechanism hardware error/Iris calibration error detection circuit IC5001 (DIGITAL SIGNAL PROCESS) IC6001 (MAIN MICROCONTROLLER) GC4PRO I2C SERIAL DATA B22 I2C SERIAL A23 CLOCK I2C SERIAL DATA 117 I2C SERIAL 116 CLOCK I2C SERIAL 85 DATA 84 I2C SERIAL CLOCK 19 19 18 18 CN5700 CN2502 CN2705 CN9502 IC9502 IC9500, IC9501, ETC 5 4 5 4 IRIS MICROCONTROLLER IRIS CONTROL CN9500 MAIN P.C.B. LCD DRIVE P.C.B. IRIS P.C.B. IRIS UNIT HALL-S P.C.B. HALL ELEMENT CN9700 CN9701 M IRIS MOTOR IRIS MECHANISM UNIT 11) Lamp cover open detection circuit IC6001 (MAIN MICROCONTROLLER) LAMP COVER OPEN(H) 92 SOS Normal 16 16 SW2911 COVER SW 1 1 2 2 CN2501 P2912 CN5700 CN2502 MAIN P.C.B. LCD DRIVE P.C.B. COVER SWITCH P.C.B. 12) Abnormal voltage (+17V, +9V, +5V lines) detection circuit IC2301 (LCD MICROCONTROLLER) Normal +17V SOS +17V SENS 60 IC6001 (MAIN MICROCONTROLLER) CN5700 CN2502 Normal I2C SERIAL DATA 117 I2C SERIAL CLOCK 116 I2C SERIAL 19 18 19 18 35 DATA 36 I2C SERIAL +9V SENS 59 SOS +9V CLOCK Normal +5V SOS +5V SENS 4 MAIN P.C.B. LCD DRIVE P.C.B. 25

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
ON
SOS: Lamp does not light up
Normal: Lamp ON
8) Abnormal Lamp detection circuit
OFF
SOS
Normal
Normal
SOS
CN6002
CN1522
POWER P.C.B.
MAIN P.C.B.
3
3
IC6001
(MAIN MICROCONTROLLER)
Q6012
LAMP STATUS
POWER CONTROL
CIRCUIT 2
HALL
ELEMENT
IRIS
MICRO-
CONTROLLER
27
LAMP ON(H)
LAMP STATUS
(ON(H)/OFF (L))
LAMP ON(H)
18
1
1
MAIN P.C.B.
LCD DRIVE P.C.B.
12) Abnormal voltage (+17V, +9V, +5V lines) detection circuit
Normal
SOS
Normal
SOS
Normal
SOS
+9V SENS
59
4
+17V SENS
60
+5V SENS
+17V
+9V
+5V
IC2301
(LCD MICROCONTROLLER)
CN5700
CN2502
19
18
19
18
IC6001
(MAIN MICROCONTROLLER)
I2C SERIAL DATA
I2C SERIAL CLOCK
I2C SERIAL
DATA
I2C SERIAL
CLOCK
117
116
35
36
11) Lamp cover open detection circuit
MAIN P.C.B.
LCD DRIVE P.C.B.
COVER SWITCH
P.C.B.
CN5700
CN2502
16
16
CN2501
P2912
1
2
1
2
IC6001
(MAIN MICROCONTROLLER)
LAMP COVER OPEN(H)
SW2911
COVER SW
92
Q6011
Q6001
Q6000
Q1602
MAIN P.C.B.
LCD DRIVE
P.C.B.
IRIS UNIT
IRIS P.C.B.
9), 10) Iris Mechanism hardware error/Iris calibration error detection circuit
CN5700
CN2502
CN2705
CN9502
CN9701
CN9700
CN9500
19
18
19
18
IC5001
(DIGITAL SIGNAL
PROCESS)
IC6001
(MAIN
MICROCONTROLLER)
IC9502
IRIS
CONTROL
IC9500,
IC9501,
ETC
I2C SERIAL
DATA
I2C SERIAL
CLOCK
I2C SERIAL
DATA
I2C SERIAL
CLOCK
I2C SERIAL
DATA
I2C SERIAL
CLOCK
B22
A23
85
84
117
116
5
4
CN1401
13
16
13
16
M
GC4PRO
HALL-S
P.C.B.
IRIS
MECHANISM
UNIT
IRIS MOTOR
5
4
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
25