Sony DSR-1800 Service Manual page 186

IC1 DR_SCOM(2/2)
43 DRUM DRIVE
PG0
47
PG4 TOP/END LED
57 DRUM_FG_PULSE
PH6
56 DRUM_PG_PULSE
PH5
51
PH1
IC101-IC104
MPX
DRUM_VOLT
0
CAPSTAN_VOLT
1
73 X
A/D2
AN2
PINCH_ON_VOLT
2
3 R-SHIFT_VOLT1
DRUM_CURRENT
0
1 ITI_CENT_ER
74
A/D3 Y
AN3
PINCH_OFF_VOLT
2
A
R-SHIFT_VOLT2
3
B
TOP/END SENSOR_LED
T-REEL_VOLT
78 A/D4 X
AN4
DEW_SENSOR_X
R-SHIFT_CURRENT
TOP_DETECT
T-REEL_CURRENT
79
A/D5 Y
AN5
THERMO_SENSOR_X
A
R-POSITION_LED
B
L/C MOTOR_VOLT
S-REEL_VOLT
80 A/D6 X
AN6
LOADING_SENSOR_LED
R-BRAKE_ON_VOLT
LOADING VOLT
S-REEL_CURRENT
81
A/D7 Y
AN7
M-STOP_OFF_VOLT
A
R-BRAKE_OFF_VOLT
B
L/C MOTOR_CURRENT
HC_STATER_VOLT
82
A/D8 X
AN8
CC83/87_LED
M-STOP_ON_VOLT
END_DETECT
HC-HOLDER_VOLT
83 Y
A/D9
AN9
TENSION_CURRENT
84 A
A/D SEL0 R-POSITION_LED2
PJ6
B
85
A/D SEL1
PJ7
H_MOTOR_OFF
RP, 3-43 303-3
L-DRUM_POWER_OFF
SSP-24, 106-42 302-15
Q201(1/2)
CAPSTAN_DRIVE
SSP-24, 107-11 302-24
L-CAPSTAN_POWER_OFF
SSP-24, 107-1 302-26
CAPSTAN_DIR Q201(2/2)
SSP-24, 106-64 302-23
CAPSTAN_CURRENT
SSP-24, 107-2 302-14
CAPSTAN_FG_A Q301(1/2)
SSP-24, 107-12 302-28
CAPSTAN_FG_B
SSP-24, 106-62 302-27
L-S-REEL_POWER_OFF
Q301(2/2)
SSP-24, 106-63 302-11
S-REEL_DRIVE
SSP-24, 107-16 302-10
S-REEL_DIR_CMD
SSP-24, 107-18
302-9
S-REEL_FG_A
SSP-24, 107-19 302-13
S-REEL_FG_B
SSP-24, 107-14
302-12
L-T-REEL_POWER_OFF
SSP-24, 107-15 302-19
T-REEL_DRIVE
SSP-24, 107-6 302-18
T-REEL_DIR_CMD
SSP-24, 107-8 302-17
T-REEL_FG_A
SSP-24, 107-3 302-21
T-REEL_FG_B
SSP-24, 107-4 302-20
ITI_CENT_ER
RP, 3-23 303-23
DR-428 (2/2)
DSR-1800/1800P
IC208(2/4)
PWM OSC
DRUM VOLT
DRUM CURRENT
17
R-SHIFT CURRENT 001
CAPSTAN VOLT
DEW_SENSOR_X
THERMO_SENSOR_X
R-POSITION_LED
LOADING_SENSOR_LED
S-REEL_VOLT
CC83/87_LED
R-POSITION_LED2
S-REEL_CURRENT
MOTOR OFF
M.OFF1
O.C
T-REEL_VOLT
M.OFF2
O.C
M.OFF3
O.C
M.OFF4
O.C
T-REEL_CURRENT
17
13-14
DR-428 (2/2)
DSR-1800/1800P
R-SHIFT
DRIVE
IC204(1/4),IC208(1/4)
UNREG+12V
Q202,Q211,D201,Q206,Q209 DRUM MOTOR DRIVE
4
VS
DRUM MOTOR
POWER CNT/LIMITER
7
L-DRUM_POWER_OFF
STBY
M.OFF1
26
AMP Rf
IC201
(1/4)DRUM M CURRENT DFT
IC201(3/4),IC202(1/2)
FG PULSE
AMP
AMP
IC201(2/4),IC202(2/2)
PG PULSE
IC209(1/4),IC208(4/4)
UNREG+12V
Q203,Q205,Q207 CAPSTAN MOTOR DRIVE
4
VS
CAPSTAN MOTOR
ITI_CENT_ER
CAPSTAN DRIVE
POWER CONT/LIMITER
7
L-CAPSTAN_POWER_OFF
STBY
M.OFF2
CAPSTAN DIR 18
FRC
CAPSTAN CURRENT
26
AMP Rf
IC209
(3/4)CAPSTAN M CURRENT DFT
IC203(2/2)(1/2)
CAPSTAN_FG_A
AMP
CAPSTAN_FG_B
AMP
IC204(1/4)(2/4),IC307(2/2)
UNREG+12V Q303,Q305,D301 S-REEL MOTOR DRIVE
1
VM
S-REEL MOTOR
21
POWER CNT
V
Q301(1/2)
L-S-REEL_POWER_OFF 6
MOTOR OFF
DS
SW
M.OFF3
S-REEL_DRIVE 9
ET
S-REEL_DIR_CMD 10
ED
3
AMP CS
IC204
(2/4)S-REEL M CURRENT DFT
IC302(2/2)(1/2)
S-REEL_FG_A
AMP
S-REEL_FG_B
AMP
IC209(2/4)(4/4),IC208(3/4)
UNREG+12V Q304,Q305,D308 T-REEL MOTOR DRIVE
1
VM
T-REEL MOTOR
21
POWER CNT
V
Q302(2/2)
L-T-REEL_POWER_OFF 6
MOTOR OFF
DS
SW
M.OFF4
T-REEL_DRIVE 9
ET
T-REEL_DIR_CMD 10
ED
26
AMP CS
IC306
(2/2)T-REEL M CURRENT DFT
IC303(2/2)(1/2)
T-REEL_FG_A
AMP
T-REEL_FG_B
AMP
13-14
IC206
27 DRUM_MOTOR_U
UOUT
12-11
TO DRUM MOTOR
28 DRUM_MOTOR_V
VOUT 12-12
DRUM_MOTOR_W
3
WOUT
12-13
25 DRUM_U_HE+
UIN1
12-10
24 DRUM_U_HE–
UIN2 12-9
23 DRUM_V_HE+
VIN1 12-8
22 DRUM_V_HE–
VIN2 12-7
21
DRUM_W_HE+
12-6
WIN1
20 DRUM_W_HE–
WIN2 12-5
DRUM_FG+
12-15
DRUM_FG–
12-14
DRUM_PG+
12-4
DRUM_PG–
12-3
DEW SENSOR_X 19-2 DEW SENSOR
IC207
27 CAPSTAN_MOTOR_U
UOUT 18-6,7
TO CAPSTAN MOTOR
28 CAPSTAN_MOTOR_V
VOUT 18-8,9
CAPSTAN_MOTOR_W
3
WOUT 18-18,19
25 CAPSTAN_U_HE+
UIN1 18-12
24 CAPSTAN_U_HE–
UIN2 18-10
23 CAPSTAN_V_HE+
VIN1 18-13
22
CAPSTAN_V_HE–
VIN2 18-17
21
CAPSTAN_W_HE+
WIN1 18-14
20
CAPSTAN_W_HE–
WIN2 18-16
CAPSTAN_FG_A
18-4
18-2
CAPSTAN_FG_B
IC304
S-REEL_MOTOR_U
2
A1 14-13,14
TO S-REEL MOTOR
S-REEL_MOTOR_V
22
A2 14-6,7
S-REEL_MOTOR_W
24
14-8,9
A3
15 S-REEL_U_HE+
H1+
14-17
S-REEL_U_HE–
16
H1– 14-18
S-REEL_V_HE+
17
H2+ 14-15
18 S-REEL_V_HE–
14-16
H2–
19 S-REEL_W_HE+
14-11
H3+
20 S-REEL_W_HE–
14-12
H3–
S-REEL_FG_A
14-3
14-5
SS-REEL_FG_B
IC305
T-REEL_MOTOR_U
2
A1
17-18,19
TO T-REEL MOTOR
T-REEL_MOTOR_V
22
A2 17-16,17
T-REEL_MOTOR_W
24
A3 17-2,3
15 T-REEL_U_HE+
H1+
17-9
T-REEL_U_HE–
16
H1– 17-11
T-REEL_V_HE+
17
H2+ 17-7
18 T-REEL_V_HE–
H2– 17-8
19 T-REEL_W_HE+
H3+ 17-6
20 T-REEL_W_HE–
H3–
17-4
T-REEL_FG_A
17-13
17-15
T-REEL_FG_B
Servo/mechanism control
DR-428 (2/2)
LOT NO. 064-
For DSR-1800/1800P
DSR-1800/P/1600/P