Transcript
C
U11:2
+
13 -
8
E
+
U12:1 C
G
-
1
14
G
11
B1_P
11
S
3
EL2257C
7
D
D
G
S
G B2_P
E
U12:2
2
9
S
C
9
6
-
EL2257C
EL2257C
D
8
U11:1
E
5
5 +
13
S
C
7
EL2257C
D
-
E
2
14
+
6
1
3
_VTOP
U12:3 EL2257C
4
4
U11:3 EL2257C
B2_N
B1_N
This connects to chassis gnd at the rear panel.
_SPK IX2
IX1
1 2
_BOP
1
_BGND
2
DR2
DR1 _SPK_GND
9
U13:2
D
U14:2
13 -
8
U13:1
G
E C
-
1
14
G
11
11
S
G
S
G
E C
3
5 9
+
2
C
EL2257C
D
E
7
S
U14:1
-
+
6
8
EL2257C
D
13
EL2257C
D
C
+
S
E
7
EL2257C
6
-
2
14
+
5
B3_P
1
3
B3_P
U13:3 EL2257C
4
4
U14:3 EL2257C
_VBOT
IX3 IX4
DR3 DR4 PM_REF
QTY
ITEM NO.
PART NO.
DESCRIPTION
VENDOR
_BOP
_BGND
14
U21:1
1
8
2
9
3
11
4
22u-25V
C125
13
12
CA3054M96
CA3054M96
U21:3 5
CW
CA3054M96
CCW
W
DN_DRV _VBOT
C126 22u-25V
HOT
B3_N
U21:2
UP_DRV
7 6
IX4
DR4 _BOP
_BGND
_VTOP
_VBOT
DR2
IX2
IX3
DR3 _BOP
_BGND
_VTOP
_VBOT
DR1
IX1
C129 22u-25V
PM_REF
I_MON DIFF_AMP_BIAS
Gain = 1/37.5
_V200 P_ISENSE
3
2
_BOP
+
-
MUTE
1
5
5V=187V
6
+ 7
N_ISENSE
-
-POL-
_N_STEP
_SPK_GND
Positive = Clip VP
2
3 5
6
VN
2 6
5
-
With values shown, the effective step switch time delay is 4us flat out to 50 KHz.
1
7
3
1 7
+
2
_BOP
-
-POL-
+POL+
-
+ 10
12
14 15
16
+
Values shown preclip a fixed 5 volts below the rails up to 15 amps of output current. After that, preclip advances 120 mV per ampere output, for 12v preclip at 70 amps.
+
+
3
-
13
9
1
+ VP
Closed loop gain =37.5 or 31.5 dB
CLAMP_SIG
0.84 atten.
VN
CLIP _SPK
3
+ 1
2
-
VP PRE_LIM
-POL-
-POL-
LOSS_OF_FEEDBACK
11
-
4
7 6
+
5
3 2
1
7
-
4 CLIP_FEED
DN_DRV
8
-15V_
REREF VP
VP
Limiter is shown in "fast clip-tracking"mode. To convert to a slow attack/release limiter, open the 3 places shown shorted with lines, and make the connection shown by the arrow line.
VP
VN GAIN_RETARD
UP_DRV
+
6
5
Gain = 1.67
8
+15V_
VN
8
7
SHED_V
SHED_V
6
PWR_GND
5 +15V
4
PSENABLE_A
STANDBY
MSP_VMON
D_GND
MSP_IMON
1
3
SIG_GND
280 KHz LPF
5
6
-POL-
7
2
1 +
+POL+
8
+POL+ CH_IN_P
REREF
POST_POT_N
POST_POT_P
PRE_LIM
+15V_
SMPS_V
-15V_
PSENABLE_K
MSP_IMON
3
CH_IN_N
PWR_GND
1
PSENABLE_K
4
I_SET
2
MSP_VMON
MODE_FLAG
CLIP_
3
I_SET
2
PSENABLE_A
C88 47-10NP-10%
9
+POL+
1
-POL-
10
J6:1 POT_TOP
J6:2
2
-POL-
11
REREF
J6:3
3
POST_POT_N
12
J6:4
4
13
5
14
B1_P
15
J6:5 SIG_GND
J6:6
6
STANDBY_LED
7
SMPS_ON
16
POST_POT_P
B1_N
STANDBY_LED
J6:7 SIG_GND
J6:8
8
VP
VP
PRE_LIM
C63 22u-25V
C68 22u-25V
VN
9
J6:9 VN
REREF
10
+15V
PROTECT V_MON
LOSS_OF_FEEDBACK
11
V_MON
12
15
J6:12 PROTECT
J6:13 PWR_GND
14
CLIP_FEED
+15V
J6:11
CLIP
13
J6:10
J6:14 CLIP_FEED
J6:15 CLIP
16
J6:16 PWR_GND
VP
Current gain: 22,460. 3.0 mA total set curent results in 68A peak output. Minumum at full cut-back is 250 uA or 5.6A output.
PROTECT
VP DIFF_AMP_BIAS
SMPS_ON
STANDBY_LED
D
MUTE
G
S
PSENABLE_A
I_SET _BOP
PSENABLE_K
C117 22u-25V
Nominal I_SET = 3ma to 5ma. Amp is fully on at I_SET>1ma. Above 3ma fan is unaccellerated. From 3ma to 1ma speed rises. Below 1ma fan speed reduces back linearily to normal speed.
VN
_BGND _V50
VN
600ms delay to enable audio. 200ms delay to disable audio.
1 2
_BOP
3
FAN_N
GAIN_RETARD
-
C55
22u-25V
4
6
7 +
5
Gain = 1/37.5 _SPK_GND
Fan idles at 10V up to 60C. From 60C to 80C fan ramps from 10V to 24V. At 85C fan V = 28V MAX. (Note that SMPS can also speed fan up.)
V_MON
+
5
2
1
VP
3
7 -
6
-POLMSP_VMON B3_N
SNAPPER PTC
_N_STEP
+
-
5V = 100 deg C.
6
7
P_ISENSE
-
6
2
1 +
+
5
7
5
+
3
N_ISENSE
Total Gain = 16.85dB
3
1
VN
-
2
HOT=250uA @ 80 deg C. VP I_MON
HOT MSP_IMON
U1 2.5V-1%
The "HOT" threshold is 80C Cutback begins at 100C and full shutdown happens at 110C. (+/- 3 degrees)
Clamps caps to 48-54V _V200
D
_V150
S
G 5
+ 7
6
-
_V150
5
_N_STEP
+ 7
6
NOTE: This opamp must not clamp its input terminals together. TL072 or EQIV!!! 5
+
VN
7 6 3
CLAMP_SIG
-
-
VN
+ 1
2
D
-
S
G
D
V_MON
S
G
5 _V100
4 _V100
5
LOSS_OF_FEEDBACK
3 + 7
6
3
2
+ 1
2
1
-
_N_STEP
VN VN
D
VN
PROTECT
S
G
_V50 _V50
3
+ 1
2
5
+ 7
6
-
_N_STEP
VN
VN
B4_P
C49 22u-25V
C48
2
C19
-
22u-25V
1
SHED_V
22u-25V
+
3
3 volts here signifies 50 amps output, so load is likely 2 ohms.
_VTOP
B4_N
VN
C33 22u-25V
8
8
8
8
-
8
2
VP
C30
I_MON
22u-25V
_VBOT
VN
VN
C31
4
4
4
4
4
+
22u-25V
1 3
_N_STEP
B1_P
+15V
C62 22u-25V
7
C111 22u-25V
VP
8
C107 22u-25V
1 2
VN
B1_N
12
11
B2_P
B2_N
10
9
B3_P
B3_N
14
13
B4_P
B4_N
8 4
8
8 4
22u-25V
8 4
22u-25V
8 4
C6 8 4
C7
8 4
1 2
6
CONTROL
D S C
1 2
VN
4
DRAIN SOURCE
7
6 3
2
1 2
4
VP
J501:1 J501:2
A_REREF J501:3
A_POST_POT_N J501:4
A_POST_POT_P J501:5
SIG_GND
-POL-
R509
+POL+
10K-DET-THRU-PCB
A_POT_TOP
+POL+
U501:2 TL072
J501:6
A_STANDBY_LED TL072
J501:7
SIG_GND
U501:1 J501:8
A_VP J501:9
A_VN J501:10
A_+15V J501:11
A_V_MON J501:12
A_PROTECT J501:13
PWR_GND J501:14
A_CLIP_FEED J501:15
A_CLIP J501:16
PWR_GND
J601:1 J601:2
B_REREF J601:3
B_POST_POT_N J601:4
B_POST_POT_P J601:5
SIG_GND
-POL-
R609
+POL+
10K-DET-THRU-PCB
B_POT_TOP
+POL+
U601:2 TL072
J601:6
B_STANDBY_LED TL072
J601:7
SIG_GND
U601:1 J601:8
B_VP J601:9
B_VN J601:10
B_+15V J601:11
B_V_MON J601:12
B_PROTECT J601:13
PWR_GND J601:14
B_CLIP_FEED J601:15
B_CLIP J601:16
PWR_GND
TL072 220p
U300:1
C300
TL072 220p
U300:2
E2
C302
E3
TL072 220p
U400:2
C400
TL072 220p C402
SW1:4
SW1:3
SW1:1
SW1:2
U400:1
C1 220p
QTY
ITEM NO.
PART NO.
DESCRIPTION
VENDOR
V+17.2
V+17.2
PRI_HI V+17.2 HOT PRI_LO V+17.2 PRICAPCT
PRI_LO
OUTB
SYNC
SWITCHEDHV OUTA
SOFTSTART
PRI_LO
NEUTRAL
RELAY/AMP_DRIVE
PRI_LO V+17.2
PRI_LO
PRI_LO
PRI_LO PRI_LO SWITCH_INHIBIT_DRIVE
PRI_LO
SWITCH_INHIBIT
PRI_LO
PRI_LO PRI_LO
PRI_LO
PRI_LO
V+17.2
PRI_LO
XFM_NTC+
PFC_NTC+
COR_NTC+
200V
PRI_LO
PRI_LO
150V
SHUTDOWN_NOT 100V XFM_NTC-
PFC_NTC-
COR_NTCV+17.2
RELAY/AMP_DRIVE
50V
V+17.2
HVCOMMON
PRI_LO
PRI_LO
PRI_LO PRI_LO
L1
V+17.2_FLOATING
V+17.2_FLOATING
PUMP_POS 2 Watts Max Dis.
AC_LINE
PRI_HI
PRI_HI HOT
D15 >> D18 PRICAPCT PRI_LO PRI_LO
2 Watts Max Dis. PUMP_NEG NEUTRAL
AC_LINE_LO PUMP_NEG PUMP_NEG
PUMP_NEG
PRI_HI V+5
PRI_HI
AC_LINE V+5
Scale Factor 1V = 150V
+ 1
2
cut board out, under body
375v to 385V Reg Range
-
5
V+5
+
PRI_LO
RELAY/AMP_DRIVE 3
7 6
26Kohm @ 60Hz
V+5
Hard Limit at 395V-400V
-
2.5v
12V (Unused)
PRI_LO
PRICAPCT
PRI_LO
PRI_LO
15v
V+5 V+5
pri
PUMP_NEG
V+5 5v
V+5
PRI_LO 15v
V+17.2
Stop Threshold PRI_LO
PRI_LO
PRI_LO PRI_LO
of
_VTOP B1_P
D
D
G
CA3054M96 U24:1
S
G S
G S
G S
CA3054M96 U26:1
D
D
B2_P
1
7
8
8
7
13
2
6
9
9
6
11
11
3
12
4
12
5
4
CA3054M96 U26:3
CA3054M96 U26:2
14
2
13
CA3054M96 U24:2
U24:3 CA3054M96
3
1
5
14
B1_N
1
B2_N
_SPK_GND
2
IX2
DR2
IX1
This connects to chassis gnd at rear panel.
_BOP
_BGND DR1
1 2 _SPK
D
D
G
CA3054M96 U25:1
S
G S
G S
G S
CA3054M96 U28:1
D
B3_P
D
B3_P
1
7
8
8
7
13
2
6
9
9
6
11
11
3
12
4
CA3054M96 U28:3
5
4
12
CA3054M96 U28:2
14
2
13
CA3054M96 U25:2
U25:3 CA3054M96
3
1
5
14
_VBOT
IX3
IX4
DR3
DR4
PM_REF
Supplies: B1 = 30v at 100mA B2 = 20v at 50mA B3 = 40v at 60mA B4 = 27v at 50mA
Puppetmaster voltages: 18.6 volts of zener in series with 56 ohms. Stackup: 11 2.4 1.2 18.6 = 33.2 volts of zener drop 40 volts available.
QTY
ITEM NO.
PART NO.
DESCRIPTION
VENDOR
_BOP
_BGND
14
U21:1
1
8
2
9
3
11
4
22u-25V
C125
13
12
CA3054M96
CA3054M96
U21:3 5
CW
CA3054M96
CCW
W
DN_DRV _VBOT
C126 22u-25V
HOT
B3_N
U21:2
UP_DRV
7 6
IX4
DR4 _BOP
_BGND
_VTOP
_VBOT
DR2
IX2
IX3
DR3 _BOP
_BGND
_VTOP
_VBOT
DR1
IX1
C129 22u-25V
PM_REF
I_MON
DIFF_AMP_BIAS
650mV pk excursion
Gain = 1/37.5
_V200
3
_BOP
+ 1
2
-
5
P_ISENSE MUTE
+ 7
5V=187V
6
N_ISENSE
-
-POL-
_N_STEP
_SPK_GND
Positive = Clip VP
2
-
3
1
5 +
Values shown preclip a fixed 5 volts below the rails up to 15 amps of output current. After that, preclip advances 120 mV per ampere output, for 12v preclip at 70 amps.
2
-
-
+
3
10
12
+
With values shown, the effective step switch time delay is 4us flat out to 50 KHz.
+
-
_BOP
-POL-
+POL+
14 15
16
1
7
5
6
2
-
13
9
6
1 7
VN
+
+
3
VP
Closed loop gain =37.5 or 31.5 dB 5.0 Vp=187.5 Vp
CLAMP_SIG
0.84 atten. 5.95Vpk clips amp.
VN
CLIP _SPK
3
+ 1
2
-
VP PRE_LIM
-POL-
-POL+
LOSS_OF_FEEDBACK
11
4
-
10 Vpk clips the amp with NO LOAD.
-POL-
7 6
+
5
3 2
1
7
8
-15V_
6
5
Gain = 1.67
8
+15V_
-
4 CLIP_FEED
VN
REREF VP
Limiter is shown in "fast clip-tracking"mode. To convert to a slow attack/release limiter, open the 3 places shown shorted with lines, and make the connection shown by the arrow line.
VP
VN GAIN_RETARD
UP_DRV
DN_DRV
VP
8
7
SHED_V
SHED_V
6
PWR_GND
5 +15V
4
PSENABLE_A
STANDBY
MSP_VMON
D_GND
MSP_IMON
1
3
SIG_GND
CH_IN_P
REREF
POST_POT_N
POST_POT_P
PRE_LIM
+15V_
SMPS_V
-15V_
PSENABLE_K
MSP_IMON
280 KHz LPF
5
6
-POL-
7
2
1
3 CH_IN_N
PWR_GND
1
PSENABLE_K
4
I_SET
2
MSP_VMON
MODE_FLAG
CLIP_
3
I_SET
2
PSENABLE_A
+POL+
+
8
+POL+
C88 47-10NP-10%
9
+POL+
1
-POL-
10
J6:1 POT_TOP
J6:2
2
-POL-
11
REREF
J6:3
3
POST_POT_N
12
J6:4
4
13
5
14
B1_P
15
J6:5 SIG_GND
J6:6
6
STANDBY_LED
7
SMPS_ON
16
POST_POT_P
B1_N
STANDBY_LED
J6:7 SIG_GND
J6:8
8
VP
VP
PRE_LIM
C63 22u-25V
C68 22u-25V
VN
9
J6:9 VN
REREF
10
+15V
PROTECT V_MON
LOSS_OF_FEEDBACK
11
V_MON
12
15
J6:12 PROTECT
J6:13 PWR_GND
14
CLIP_FEED
+15V
J6:11
CLIP
13
J6:10
J6:14
CLIP_FEED
J6:15 CLIP
16
J6:16 PWR_GND
VP
Current gain: 22,460. 3.6 mA total set curent results in 81A peak output. Minumum at full cut-back is 250 uA or 5.6A output.
PROTECT
VP DIFF_AMP_BIAS
SMPS_ON
STANDBY_LED
D
MUTE
G S
PSENABLE_A
I_SET
PSENABLE_K
C117 22u-25V
Nominal I_SET = 3ma to 5ma. Amp is fully on at I_SET>1ma. Above 3ma fan is unaccellerated. From 3ma to 1ma speed rises. Below 1ma fan speed reduces back linearily to normal speed.
_BOP
VN
_BGND _V50
600ms delay to enable audio. 200ms delay to disable audio.
1
VN
2 _BOP
3
FAN_N
GAIN_RETARD
-
C55
22u-25V
4
6
7
186V = 5V
+
5
Gain = 1/37.5 _SPK_GND
Fan idles at 10V up to 60C. From 60C to 80C fan ramps from 10V to 24V. At 85C fan V = 28V MAX. (Note that SMPS can also speed fan up.)
V_MON
+
5
2
1
VP
3
7 -
6
-POL-
MSP_VMON
B3_N
SNAPPER PTC
_N_STEP
+
-
5V = 100 deg C.
3 VN
1 -
2
P_ISENSE
-
6
2
1 +
HOT=250uA @ 80 deg C.
6
7
+
5
7
5
Total Gain = 16.85dB
+
3
N_ISENSE
70A = 5V >5V = Current Limiting.
VP I_MON
HOT MSP_IMON
U1 2.5V-1%
The "HOT" threshold is 80C Cutback begins at 100C and full shutdown happens at 110C. (+/- 3 degrees)
Clamps caps to 48-54V _V200
D
_V150
S
G 5
+ 7
6
-
_V150
5
_N_STEP
+ 7
6
NOTE: This opamp must not clamp its input terminals together. TL072 or EQIV!!! 5
+
VN
7 6 3
CLAMP_SIG
-
-
VN
+ 1
2
D
-
S
G
D
V_MON
S
G
_V100 _V100
5
LOSS_OF_FEEDBACK
+ 7
6
3
+ 1
2
-
_N_STEP
VN VN
D
VN
PROTECT
S
G
_V50 _V50
3
+ 1
2
5
+ 7
6
-
_N_STEP
VN
VN
B4_P
C49 22u-25V
C48
2
C19
-
22u-25V
1
SHED_V
22u-25V
+
3
3 volts here signifies 50 amps output, so load is likely 2 ohms.
_VTOP
B4_N
VN
C33 22u-25V
8
8
8
8
-
8
2
VP
C30
I_MON
22u-25V
_VBOT
VN
VN
C31
4
4
4
4
4
+
22u-25V
1 3
_N_STEP
B1_P +15V
C62 22u-25V
7
C111 22u-25V
VP
8
C107 22u-25V
1 2
VN
B1_N
12
11
B2_P
B2_N
10
9
B3_P
B3_N
14
13
B4_P
B4_N
8 4
C
1 2
VN
8
8 4
S
4
8 4
22u-25V
8 4
22u-25V
8 4
C6 8 4
1
C7
CONTROL
D
2
DRAIN SOURCE
6
1 2
4
VP
