GR
UNDIG
Ser
vice
Chassis T8
/ T9
2 - 23
Audio-ON/OFF
R1010
47K
R1013
470R
C1028
3n3
R1015
47K
C1012
3n3
R1008
470R
C1016
220n/50V
R1001
10K
P24V_AMP
TO SPEAKER
C1024
100n/50V
C1021
470n
C1003
470n
H
u
3
3
1
0
0
1
L
C1026
470/25V
uH
3
3
2
0
0
1
L
C1018
470/25V
C1009
100n 16V
C1006
15n 50V
SP_RIGHT
C1011
15n 50V
SP_LEFT
C1022
100n 16V
L1000
120R/100MHz
C1000
330/35
P24V
C1017
220n/50V
1
2
3
4
S1000
SPEAKER
TP32
TP30
AU_DACO_L
AU_DACO_R
VCC3.3V-ST
R1003
10K
R1004
100R
MUTE_S
C1019
100n 16V
C1008
100n 50V
R808
0
R818
2K 1%
2
3
1
IC801
ZTL431AFFTA
T800
BC847B
R819
10K
R815
22K
R811
22K
R812
1,5K 1%
R814
*
Option: In dependent on SMPS
+12V
+5V_ST
R1000
10
R1007
39k
C1023
47u 16V
TP29
P24V
TP31
SDOWN
MUTE
R1005
100R
Vssd
1
IN1P
2
IN1N
3
DIAG
4
ENGAGE
5
PUP
6
GND
7
Vdda
8
Vssa
9
OSC
10
HVP
11
REF
12
TEST
13
IN2N
14
IN2P
15
Vssd
16
Vssd
17
DREF
18
HVP2
19
Vddp2
20
BOOT2
21
OUT2
22
Vssp2
23
STAB2
24
STAB1
25
Vssp1
26
OUT1
27
BOOT1
28
Vddp1
29
HVP1
30
OSCIO
31
Vssd
32
EP
AD
33
IC1000
TDA8932B
C1015
470n
C1010
100n 16V
C1004
470n
R1006
47K
+8V
R1009
18K
C1020
470n
R1016
47K
R1014
18K
C1007
470nF
C1002
NC/100p
8
1
4
3
2
1
IC1001A
TL082
C1025
NC/100p
+8V
TP3
TP129
TP109
TP90
8
4
7
5
6
2
IC1001B
TL082
C1030
470n 6V3
C1029
220n 16V
+8V
C1013
470p/50V
C1014
470p/50V
7
5
3
1
8
6
4
2
R1012
4*47R
7
5
3
1
8
6
4
2
R1011
4*47R
+4V
T1000
BC848B
R1002
10K
C1001
470n 6V3
SDOWN
C1005
NC/220p
C1027
NC/220p
R1017
180R
R1018
180R
R1019
0R/NC
22
23
24
AU_DACO_L
AU_DACO_R
R813
47K
R816
470R
C826
3.3nF
R819
47K
C824
3.3nF
R811
470R
R801
10K
C811
470nF
R803
10K
R800
10K
P24V_AMP
P24V_AMP
GAIN2
GAIN1
AMP-Gain 20dB
L
L
L
26dB
H
L
30dB
H
H
36dB
H
TO SPEAKER
R804
NC
C817
1uF
C814
2.2uF
C813
2.2uF
R802
NC
L801
33uH
C808
220uF/25V
L802
33uH
C809
220uF/25V
C807
1uF/25V
C806
220nF
SP_RIGHT
C805
220nF
SP_LEFT
C803
1uF
L800
120R/100MHz
C800
330u
F/
35
V
P24V
C810
470nF
GAIN1
GAIN0
GAIN1
GAIN0
1
2
3
4
S800
SPEAKER
TP41
TP42
AU_DACO_L
AU_DACO_R
PVCCL
1
#SD
2
PVCCL
3
MUTE
4
LIN
5
RIN
6
BYPASS
7
AGND
8
AGND
9
PVCCR
10
VCLAMP
11
PVCCR
12
PGNDR
13
PGNDR
14
ROUT
15
BSR
16
GAIN1
17
GAIN0
18
AVCC
19
AVCC
20
BSL
21
LOUT
22
PGNDL
23
PGNDL
24
THERMA
L
25
IC800
TPA3124D2
MUTE_S
VCC3.3V-ST
VCC3.3V-ST
R805
10K
Audio-ON/OFF
R806
100R
Audio-ON/OFF
MUTE_S
C801
1uF
C802
1uF
C843
330u
F/
35
V
R830
100
R836
2K 1%
T800
BC847B
GND
R832
4.7k
R833
22K
R835
1.2k %1
R839 330R %1
Option: In dependent on SMPS
+5V_ST
AU_SW_L
AU_SW_R
R844
22K
P24V
D800
30V 3A
R849
4.7K
R850
4.7K
C846
100uF/35V
R851
220R
R852
100R
SDOWN
MUTE
2
3
1
IC803
ZTL431AFFTA
TP109
TP143
22
23
24
24
23
Chassisplatte T8 – Verstärker / Chassis Board T8 – Amplifier
YVR190R-4
Chassisplatte T8 – Verstärker / Chassis Board T8 – Amplifier
YVR190R-7
LS
HS
LS
HS
OSC/RAMP
MUTE
CONTROL
BYPASS
AV
CONTROL
CONTROL
BIAS
THERMAL
SC
DETECT
SC
DETECT
AVDD
AVCC
LIN
RIN
MUTE
BYPASS
GAIN1
GAIN0
SD
BSL
PVCCL
LOUT
PGNDL
VCLAMP
BSR
PVCCR
ROUT
PGNDR
VCLAMP
VCLAMP
AVDD
AVDD
AVDD/2
AVDD
AVDD
AVDD/2
REGULATOR
AGND
+
-
+
-
TPA3124D2
2
8
1
3
0
1
28
29
27
3
12
TDA8932
OSCILLATOR
26
BOOT1
V
DDP1
OUT1
V
SSP1
PWM
MODULATOR
DRIVER
HIGH
DRIVER
LOW
CTRL
MANAGER
CTRL
PWM
MODULATOR
PROTECTIONS:
OVP, OCP, OTP,
UVP, TF, WP
STABILIZER 11 V
STABILIZER 11 V
REGULATOR 5 V
MODE
V
DDA
15
14
IN1P
V
O
I
C
S
O
F
E
R
C
S
O
DDA
V
SSD
IN1N
INREF
IN2P
IN2N
6
POWERUP
4
DIAG
7
CGND
21
20
22
23
BOOT2
V
DDP2
OUT2
25
STAB1
24
STAB2
18
11
DREF
HVPREF
30
HVP1
19
HVP2
V
SSP2
DRIVER
HIGH
DRIVER
LOW
V
DDA
V
SSP1
V
SSP2
V
SSD
V
DDA
V
SSA
HALF SUPPLY VOLTAGE
5
ENGAGE
13
9
TEST
V
SSA
1, 16, 17, 32
V
SSD(HW)
™
£
≤
Summary of Contents for Toronto 32-7931a T
Page 13: ...Chassis TD TE GRUNDIG Service 1 13 Chassis T8 T9 GRUNDIG Service 1 13...
Page 14: ...Chassis TD TE GRUNDIG Service 1 14 Chassis T8 T9 GRUNDIG Service 1 14...
Page 21: ...Chassis TD TE GRUNDIG Service 1 21 Chassis T8 T9 GRUNDIG Service 1 21...
Page 22: ...Chassis TD TE GRUNDIG Service 1 22 Chassis T8 T9 GRUNDIG Service 1 22...
