Verstärker - Grundig Cinaro 26 Service Manual

GRUNDIG Service
Hauptplatte – Verstärker / Main Board – Amplifier
LOUD_OUT_L
C619
GND
AMP_STANDBY
+5V_MAIN
+5V_MAIN
LOUD_OUT_R
GND
T319
2N7002
R567
AUDI O_MUTE
100
1UF25V
C641
C640
R506 R706
SUBWOOF ER
10K 10K
C623
1nF
1UF25V
C417
10nF
R707
10K
GND GND
SUBWOOF ER_STBY
+12V
C419
?
R496
100K 1%
GND
R497
C415
100K 1%
1UF25V
GND GND
SCART_ROUT2
SCART_LOUT2
HP_VOL
L334
AUVDD
+12V
3,3uH- 053875
C638
220U %20 /25V
GND
C628
470N 9
INL-
R394 1K
GND C627 10
INL+
470N
C620
14
REG
1nF
1nF
C631
GND
470N
13
AGND
GND
11
SHDN
J303 *
J304 0R 17
GND GAIN1
J305 * 18
GAIN2
J306 0R
GND
19
+5V_MAIN FS1
20
+5V_MAIN FS2
C630
15
INR-
470N
R395
1K GND 16
INR+
C629
C621 C622
1nF 1nF
470N
IC321
MAX9704
GND
GND
C646
15P
R709
150K
L336
SUBVCC
+12V
3,3uH - 053875
1000U16V
IC322
MP7731
R708
1
NC PGND1
180K
2
PIN1 SW1
C644
2.2n
3
NIN1 VPP1
4
AGND1 BS1
5
NC NC
6
EN1 PGND2
7
NIN2 SW2
C645
8
2.2n
PIN2 VPP2
9
AGND2 BS2
10
EN2 NC
GND GND
R715
150K
C452
C650
100n
100U16V
GND GND
1 16
NC OUT1+
2 15
VC1 NC
3 14
C634
NC PGND
470n 4 13
VI 1 OUT1-
5 12
VP OUT2-
6 11
VI 2 NC
7 10
C635
SGND PGND2
470n 8 9
VC2 OUT2+
IC338
TDA7053AT
R718
GND GND
15K
R719
47K
GND
C446 C447
C639
100N 100N
220U %20 /25V
GND GND GND
31
OUTL+
32
OUTL+
29
OUTL-
30
OUTL-
6
CIP
C450
100N
5
CIN
C649 1UF25V
7
CHOLD
C632
470N
12
SS
27
OUTR+
GND
28
OUTR+
25
OUTR-
26
OUTR-
R658
GND
100
C495
C449
C648
10n
100n
GND GND GND
R710
20K
20
BZX84C6V2
19
ZD359
18
C642
1UF25V
17
16
15
14
C643
13
1UF25V
ZD360
12 BZX84C6V2
11
R716
20K
D329
GND
IMBD4148
C647
15P
+12V
C363
L355
100U16V
FB
C367
L356
100U16V
FB
C351 C352 C353
10n 10n 10n
GND GND GND GND
2 - 20
R701
100R
C473
GND GND
22N
C474
L335
22N
FL05RD200AT
C472 C448
053516
22N 100N
L339
FL05RD200AT
C479
053516
C476 22N
22N
R712
100R
GND
GND
GND
R713
100R
C477
GND GND
22N C480
22N
L340
FL05RD200AT
C475 C451
053516
22N 100N
L341
FL05RD200AT
C481
053516
C478 22N
22N
R714
GND 100R
GND
1 2 3
PGND V
10 INL+
MODULATOR
9
INL-
19 FS1
OSCILLATOR
20 FS2
INR+
16
MODULATOR
15 INR-
11
SHDN
17 G1
GAIN
18 G2 CONTROL
12 SS
SHUTDOWN
14 REG CONTROL
D328
13 AGND
IMBD4148
L342
10uH
C633
R711
470N
10R
ZD362
MBRS130L TR
C651
GND
390P
GND GND
L343
10uH
C636
R717
470N
10R
ZD361
C652
GND
390P
GND GND
MBRS130L TR
SUBVCC
S309
3
2
1
MOLCON3
GND
C354
10n
Chassis LM
HS350
ARC COOL ER
GND
S308
1
2
3
4
MOLCON4
4 21 22 23 24
V PGND
DD DD
OUTL+ 32
OUTL+ 31
H-BRIDGE
OUTL- 30
OUTL- 29
OUTR+ 28
OUTR+ 27
H-BRIDGE
OUTR- 26
25
OUTR-
MAX9704
6
C1P
CHARGE PUMP
5
C1N
CHOLD
7
S310
1
C637
470N
2
MOLCON2