Amplifier - Grundig 32 GLX 6052 Service Manual

Chassisplatte – Verstärker / Chassis Board – Amplifier
+3.3V_STBY
R803
22K
DE-POP
R805
STBY 1
10K
T800
BC847BWT
14
15
SDA_MAIN
16 SCL_MAIN
17
3
R835 FROM
0R/NC
YTD190R-2
DE-POP
$
%
^
&
+3.3V_STBY
C815
100n
GND
R801
+3.3V_STBY
2R2
C807
RN800
100n
8 7
AUMCKO
6 5
AUSCK
4 3
AUWS
2 1
AUSD0
4x100R
R802 100
R832 100
+3.3V_STBY
3 R804
C806
2k2
R807
10k
1uF
C810
4n7 C813
GND
R806
680 C804
p
0 1n
GND R808
GND
NC 100R
R836
330R %1
0R R809
+5V2_STBY
FROM YTD190R-2
R812
+24V
10K
R811
T801 * R814
1.2k %1
BC847B
R815
R818
+12V
10K
22K
R819
R820 2
2K 1%
4.7k
IC801
ZTL431AFFTA
R403
22K
C404
R404 R405
HP_RIGHT
470R 10k
C405
1uF
C408
2.2nF
R407
3.3nF
20 10K
C410
R409 R410
HP_LEFT
470R 10k
C411
1uF
C412
2.2nF
3.3nF
C801
220/35
IC800
19 18
EAPD/OUT4B OUT3A/DDX3A
20 17 GND
TWARN/OUT4A OUT3B/DDX3B
21 16
C805
VDD_DIG CONFIG
22 15
GND_DIG VDD_REG
100n
23 14
PWRDN GND_REG
24 13
C835
VDD_PLL OUT1A
25 12
330p
FILTER_PLL GND1
26 11
PLL_GND VCC1
27 10
XTI OUT1B
28 9
BICKI OUT2A
29 8
LRCKI VCC2
30 7
SDI GND2
31 6
RESET OUT2B
32 5
INT_LINE VCC_REG
33 4
SDA VSS_REG
34 3
C809
SCL TEST MODE
35 2
GND_DIG SA
36 1 100n
VDD_DIG GND_SUB
37 C812
GND_EXP
1u/35V
STA335BW
GND GND
Audio Reset
I2C PROTECTION
Current/Thermal
CH
I2S
1A
CH
DSP 1B
LOGIC
Equalizer
Tones
Volumes
CH
Bass
2A
REGULATORS
CH
BIAS 1B
STA335BW
C827
100uF/6.3V
R400
VCC5V
+3.3V_STBY C401
R401
0R
1nF
21
R402
1K
C402
33K
4u7 10V
C403
8 1 SBY100505T-102Y
100uF/6.3V
OUT2 VCC
7 2
VIN2 OUT1
6 3
/SD VIN1
R406
5 4
GND BP
22K C407
R408
C409
1nF
1K
IC400
1uF
TS488IQT
Vcc
2
VIN1
1
VOUT1
5
STDB
TS488
= STDB
3
BPS BIAS
TS489
= STDB
7
VOUT2
6
VIN2
GND
)
For 12V :
for SLIPS
C801,802 -470uF/25V
L806
120R/100MHz/3A
+12V
GND
+24V
L800
TP124
120R/100MHz/3A R817 C821 C825
R816
C800
100n
100n 6R2
6R2
220n 50V X7R
C802
220/35
7 8
C833 C834
5 6
100n 100n
3 4
C811
L801
1 2 220n 50V X7R
NR6045T220M
SP_RIGHT+
R834
4x100R
L802
NR6045T220M
TP126
18
L805
SP_RIGHT-
NR6045T220M
SP_LEFT-
7 8
C814
TP83
5 6
SP_LEFT+
3 4 L807
C803
1 2
330p C836 C837 220n 50V X7R
NR6045T220M
R800
4x100R
100n 100n
R813 C838 C839
R810
6R2
100n 100n
6R2
GND
*
L400
SBY100505T-102Y
TP81 HPR
C400
220pF
S500
RIGHT
Right
LEFT
Left
GND
TP80 GND
L401
Headphone
TP82
HPL
C406
220pF
¡
C840
220n 50V X7R TO SPEAKER
TP125
S800 19
1
2
3
4 19
SPEAKER
TP111
C841
220n 50V X7R
(