PT-RZ21K, PT-RS20K (serv.man2) — Panasonic Projector Service Manual (repair manual). Page 9

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DIA-9
BLOCK & SCHEMATIC DIAGRAMS
< RZ21K series >
1. 7. Lens Motor Control Block Diagram
RM-P.C.B
G-P.C.B
ZOOM LENS
from P-P.C.B (PB5)
to MAIN CPU
SHUTTER
24
26
22
RM4
2
RM8
3
1
RM10
1,2
RM5
4
5,6
2
RM1
9,11,13,15
21,23,25,27
1,3,5,7
40
39
6,8,10,12
36
14,16
38
32
34
30
28
RM2
1-4
5-8
RT8
7-12
1-4,13,14
RM6
1
RM7
1-4
2,4
24
26
22
1,2
G8
G37
2
G2
9,11,13,15
21,23,25,27
1,3,5,7
40
39
6,8,10,12
36
14,16
38
32
34
30
28
2,4
V-SHIFT
MOTOR
FOCUS
MOTOR
F-SW
V-SW
H-SW
W-SW
T-SW
M
MF
H-SHIFT
MOTOR
ZOOM
MOTOR
(DC)
M
MH
M
MV
4
4
4
4
4
4
4
4
4
4
ZOOM
MOTOR
(STEPPING)
SHUTTER
MOTOR
PHOSPHOR WHEEL 1
M
4
4
2
2
2
2
2
2
6
6
3
2
2
2
3
5
4
5,6
7
8,9
10
11-14
LENS-SW1
LENS-SW2
D_SW1
D_SW2
M
EEPROM
Lens connector
IC6534
Motor Driver
24
13,14
19,20
1,2
5,6
7,8
ZOOM_MOTOR+
ZOOM_MOTOR-
SH_MOTOR-
SH_MOTOR+
11,12
IC6536
Stepping Motor Driver
7,8,9
10
6
11
43,44
34,35
32,33
V_A+
V_A-
V_B+
V_B-
23,24
+16V_B
+16V_B
1
28,29
38,39
13
14
STEP_ST
STEP_M1-M3
VS_OE
VS_RST
VS_FR
VS_STP
IC6535
Stepping Motor Driver
7,8,9
10
6
11
43,44
34,35
32,33
F_A+
F_A-
F_B+
F_B-
23,24
+16V_B
1
28,29
38,39
13
14
STEP_ST
STEP_M1-M3
FCS_OE
FCS_RST
FCS_FR
FCS_STP
IC6537
Stepping Motor Driver
7,8,9
10
6
11
43,44
34,35
32,33
H_A+
H_A-
H_B+
H_B-
F_SW
LENS_SDA,
LENS_SCL
2
2
3
2
2
V_SW
H_SW
ZOOM_SW1(WIDE)
ZOOM_SW2(TELE)
ZOOM_MOTOR+,
ZOOM_MOTOR-
LENS_SELECT
LENS_SENSE_SW1
LENS_SENSE_SW2
D_SW1
U,V,W
U,V,W
D_SW2
SH_MOTOR+,
SH_MOTOR-
23,24
+16V_B
1
28,29
38,39
13
14
STEP_ST
STEP_M1-M3
HS_OE
HS_RST
HS_FR
HS_STP
ZA_P
ZA_N
ZB_P
ZB_N
18
17
10,11
14
13
IC6539
Stepping motor driver
MOTOR_ON
IC6538
Motor REG
3
2
1
+16V_B
+12V_MOTOR
+12V_MOTOR
+12V_MOTOR
+3.3V
+3.3V
+3.3V
6
2
3
8,9
12
19
ZOOM_OE
ZOOM_STP
STEP_ST
STEP_MODE0-1
ZOOM_FR
ZOOM_RST
ZOOM
DIR1
DIR2
SHUTER
PW1_CLK
PW1_FGS
PW1_LOCK
PW1_EN
PW1_HW1-,PW1_HW1+,PW1_HW2-,PW1_HW2+,PW1_HW3-,PW1_HW3+,
PW2_HW1-,PW2_HW1+,PW2_HW2-,PW2_HW2+,PW2_HW3-,PW2_HW3+,
WH,WL,VH,VL,UH,UL
WH,WL,VH,VL,UH,UL
22
23
ZOOM_MO
ZOOM_TQ
ZOOM_OE
ZOOM_STP
ZOOM_FR
ZOOM_RST
ZOOM_MO
ZOOM_TQ
4,5
17,21
16,22
23
15
IC6522
FPGA3
R19
R20
LENS_SCL
LENS_SDA
F21
U22
SHUT_SENSE1
SHUT_SENSE2
AA21
Y21
STEP_MODE0
STEP_MODE1
AB13
AA14
STEP_ST
STEP_M1
AB15
AB14
STEP_M2
STEP_M3
3
4
4
4
AB9
AA10
VS_OE
VS_RST
AA9
AB10
VS_FR
VS_STP
FSC_OE
FSC_RST
FSC_FR
FSC_STP
N22
Y13
V_SHIFT_SW
P21 H_SHIFT_SW
V-SHIFT
MOTR CONTROL
W14
AA13
W13
AB20
AA18
AA19
AB18
AA20
AB19
HS_OE
HS_RST
HS_FR
HS_STP
AA14
AB15
AB14
AA14
F22 FSC_SW
H-SHIFT
MOTR CONTROL
FOCUS
MOTR CONTROL
PHOSPHOR WHEEL CONTROL
ZOOM_SENS1 (WIDE)
D19
D21 ZOOM_SENS2 (TELE)
D22 LENS_SELECT
W6 LENS_SW2
V21 ZOOM
Y22 MOTOR_ON
W21
W22
DIR1
DIR2
V22 SHUTER
G20
6
RT2
3
5
+16V_PW1
+16V_PW2
23-28
29-34
Q1121-Q1126
Three-phase SW
IC1121
3-phase Brushless
Motor Driver
1
2
3
4
RT9
7-12
1-4,13,14
PHOSPHOR WHEEL 2
6
6
PW2_CLK
PW2_FGS
PW2_LOCK
PW2_EN
PW1_CLK
PW1_FGS
PW1_LOCK
PW1_EN
PW2_CLK
PW2_FGS
PW2_FGS
PW1_FGS
PW2_LOCK
PW2_EN
5
+12V_PW
+12V_PW
+12V_PW
23-28
29-34
Q1127-Q1132
Three-phase SW
IC1122
3-phase Brushless
Motor Driver
1
2
3
4
3
RT1
13
12
9
8
11
12
9
8
11
G10
13
12
9
8
11
12
9
8
11
5
G13
3
5
+16V_B
+16V_B
PWREN_PW
+12V_PW
Fixed value
IC6213
DC-DC
5
4
3
2
ZOOM_OE
ZOOM_STP
ZOOM_FR
ZOOM_RST
ZOOM_MO
ZOOM_TQ
P20
N21
U19
U20
R22
R21
W20
W19
IC6112
SUB CPU
22
23
PWREN_PW
A10
RT-P.C.B
+3.3V
IC6525
DC-DC
2
3
+16V_B
CLK : External clock signal input
FGS : FG Schmitt trigger output
LOCL : Phase lock detection output (Low:Lock)
EN : Stert/stop control (Low:start state)
DIR1 DIR2 SHUTTER
ZOOM
H
H
H
H
L
L
H
L
H
L
L
L
L
H
L
L
L
L
L
L
L
H
Brake
Reverse
Forward
Brake
Brake
Stop
H/L
H/L
OFF
(hight impedance)
OUT(+) OUT(-)
MODE
STEP_ST : Chip enable input
STEP_M1-M3 : Excitation-mode swiching
OE : Output enable sigunal input (Hi:start state)
RST : Reset input
F/R : Forward/Reverse signal input
STP : Step clock pulus input
ST : Standby input
MODE0/1 :  Excitation mode setting input
OE : Enable input
STP : Clock input
F/R : rotation direction select input
RST : Reset input
MO : Monitor output
TQ : Vref setting input
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