Grundig 46 VLE 8270 BL, Руководство по обслуживанию

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GRUNDIG Service Chassis TK
2 - 10
Chassisplatte – Netzteil / Chassis Board – Power Supply
C670
1u/16v
R659
22K
TCON_ON
PANEL-VCC
VCC3V3-ST
Hi: Off
Lo: On
VCC3V3-ST
1
3 2
T604
PMV65XP
VCC3V3
C671
NC/1uF
POWER_SW
TP67
VCC1V05
typ 1600mA
max 800mA
VCC1V25
C602
1uF 6V3
VCC3V3-ST VCC3V3
C608
2,2uF 6.3V
VCC3V3-ST
TP65
C606
2,2uF/6.3V X5R
VCC2V5
VCC2V5 max 150mA for S13+ and T2
Pd=160mW
C609
1uF 10V
VCC5V
VCC5V
C607
1uF 6.3V
300mA for Tuner
2
1
6
T605B
BC847BDW1T1_A
C665
100nF
R652
1K
Power
VCC_AUDIO
C664
1nF
IRIN
SAR1
+5V2_ST
C658
100nF
C603
NC/100n
7 5 3 1
8 6 4 2
R660
22k
Vout
1
GND
2
CE
3
Vin
4
5
IC602
XC6221A252GR-G
7531 8642
R605
10k
Pd=50mW
TCON_ON
C624
10uF 10V
R625
1.8k %1
R624
6.2k 1%
TP81
L605
120R/100MHz
R622
4.7K
R621
4.7K
C623
10uF 6V3
C629
10uF 6V3
R626
0R
NR4018T3R3M
L606
3u3
VCC3V3-ST
C644
10uF 10V
R638
15.4k %1
C647
10uF 6V3
R635
6.2k 1%
TP84
C645
1uF 6V3
L611
120R/100MHz
R634
10K
C639
10uF 6V3
C640
10uF 6V3
R637
0R
NR6045T3R0N
L612
3u TP83
C643
100nF
VCC12V
C667
100nF
C662
100n 35V
7531 8642
R650
47R
POWER_SW
VCC3V3-ST
C669
1nF
+5V2_ST
Hi: ON
Lo: OFF
POWER_SW
5
4
3
T605A
BC847BDW1T1_A
7
5
3
1
8
6
4
2
R658
10k
BL_CTRL
Hi: Off
Lo: On
PWM: Special aplications
BL_CTRL
PWM -100Hz/100KHz
Hi: Max Lum
Lo: Min Lum
L615
60R/100MHz
VCC1V05
+5V2_ST
7 5 3 1
8 6 4 2
R611
10k
SAR0
D6
01
PE
SD
5V0S
1B
L
VCC
GND
1
2
4 3
5
IC613
NC/NC7SZ32
BRI_ADJ
BRI_ADJ
R654
0R
R648
100R
Hi: ON
Lo: OFF
R657
1K
VCC_AUDIO
VCC_PANEL
26"..40"
24V
12V
OFF
OFF
VCC12V
+5V2_ST 12V
5.25V OFF
ON
1
2
3
4
5
6
7
8
9
10
11
12
13
14
S605
MOLEX_5025841460
D6
00
PE
SD
5V0S
1B
L
ST.BY
D6
02
PE
SD
5V0S
1B
L
D6
03
PE
SD
5V0S
1B
L
D6
04
PE
SD
5V0S
1B
L
BRI_ADJ_U
Key Pad
LED_R
IRIN
SAR0
SAR1
R617
2.2k
VCC3V3-ST
R612
1K
C618
47pF
C619
47pF
C617
47pF
R615
1K
TP73
TP78
TP75 TP76
TP71
+5V2_ST
R604
10k
VCC3V3-ST
L602
FB?
TP79
T600
BC847B
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
S600
SMD Keyboard
LED
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P7
7
P8
8
P9
9
P10
10
S601
KEYBOARD
7531 8642
R618
47R
LED_R
VFB
1
VREG5
2
SS
3
GND
4
PG
5
EN
6
PGND1
7
PGND2
8
SW1
9
SW2
10
SW3
11
VBST
12
VIN1
13
VIN2
14
VCC
15
VO
16
17
IC608
TPS54226RGTR
VFB
1
VREG5
2
SS
3
GND
4
PG
5
EN
6
PGND1
7
PGND2
8
SW1
9
SW2
10
SW3
11
VBST
12
VIN1
13
VIN2
14
VCC
15
VO
16
17
IC605
TPS54226RGTR
C636
1uF 6V3
C635
2,2n
C649
1uF 6V3
C648
2,2n
C622
100n
C638
100n
PG
R630
100K
POWER_SW
1,07V
1,09V
R619 R620
6.2K
2.7k
15.4k
6.2k
VCC_PANEL
C668
100nF
VCC_PANEL
C628
47p
7 5 3 1
8 6 4 2 R616
10k
Vin
1
nc
2
Vout
3
nc
4
GND
5
CE
6
7
IC603
XC6222D501ER-G R613
100k
TP258
TP97
TP66
TP89
VCC1V25
PG
C613
10uF
R614
6.2K %1
C614
10uF
C615
10uF
L603
120R/100MHz
R608
100R
NR4018T3R3M
L604
3u3
max 950mA for 100Hz
R610
6.2K %1
R609
2.7K %1
TP68
max 250mA for DVBT2
C661
10uF
C612
100nF
VCC3V3
VCC5V3_FE
VFB
1
VREG5
2
SS
3
GND
4
PG
5
EN
6
PGND1
7
PGND2
8
SW1
9
SW2
10
SW3
11
VBST
12
VIN1
13
VIN2
14
VCC
15
VO
16
17
IC604
TPS54226RGTR
C621
1uF 6V3
C620
2,2n
VCC_DDR
VCC1V5
PG1
C601
10uF
R607
6.2K %1
C604
10uF
C605
10uF
L600
120R/100MHz
R600
100R
NR4018T3R3M
L601
3u3
max 800mA for 50Hz
R602
6.2K %1
R601
0R
TP63
max 1100mA for 100Hz
C600
100nF
VFB
1
VREG5
2
SS
3
GND
4
PG
5
EN
6
PGND1
7
PGND2
8
SW1
9
SW2
10
SW3
11
VBST
12
VIN1
13
VIN2
14
VCC
15
VO
16
17
IC600
TPS54226RGTR
C611
1uF 6V3
C610
2,2n
max 700mA
PG1
PG2
5
4 3
T603B
BC847BPDW1T1
2
6
1
T603A
BC847BPDW1T1
VCC
GND
1
2
4 3
5
IC611
NC7SZ32
R646
NC/10K
R647
0R
Vin
5
EN
4
GN
D
2
Fault
3
Vout
1
IC601
AP2171
PG2
PG2
R606
10k
R664
0R/NC
3V3_EN
3V3_EN
R665 NC
TP98
TP93
TP94
TP96
TP77
TP74
TP72
TP70
TP69
75
31
86
42
R603
22k
F601
FUSE 4A 32V Fast/FB
VCC3V3-ST
VCC3V3-ST
VCC5V3_FE
max 500mA
C683
10uF 16V
R675
2.7K %1
R672
15.4K %1
TP64
L618
120R/100MHz
R673
NC
R671
4.7K
C682
10uF 10V
C685
10uF 10V
R674
1.2k %1
NR4018T3R3M
L619
3u3
VCC5V3_FE
VFB
1
VREG5
2
SS
3
GND
4
PG
5
EN
6
PGND1
7
PGND2
8
SW1
9
SW2
10
SW3
11
VBST
12
VIN1
13
VIN2
14
VCC
15
VO
16
17
IC615
TPS54226RGTR
C687
1uF 6V3
C686
2,2n
C681
100n
C684
47p
L617
NC/120R/100MHz
VCC5V3_FE VCC5V
VCC3V3
VCC12V
PSU_STD_BY
FPGA_PWM
SAR0_F
SAR1_F
R676 4.7K
FAULT
7
Trigger
8 9 10
Trigger
1
3
2
5
4
SW
VBST
EN
VO
VFB
GND
PGND
4
6
9
10
11
1
2
7
12
VIN
SS
VREG5
EN
Logic
UV
OV
Protection
Logic
Ref
SS
UV
OV
UVLO
UVLO
Softstart
SS
REF
TSD
Ref
VREG5
5
PG
13
8
VCC
3
VCC
+20%
-10%
Ref
VREG5
Control logic
1 shot
XCON
-30%
OCP
SW
PGND
ZC
SW
PGND
14
VREG5
TPS54226
CE VIN
VSS
VOUT
R1
R2
Error
Amp
-
+
Voltage
Reference
Current
Limit
each
circuit
ON/OFF
Control
CE CE/
XC6221A
XC6222D
ON/OFF
Control each
circuit
Error
Amp.
Voltage
Reference
R1
R2
CFB
VOUT
VSS
CE
VIN
+
-
Current Limit &
Thermal Shoutdown
Reverse Current
Protection
/CE
Rdischg
Thermal
Sense
Driver
FLG
OUT
GND
IN
EN
UVLO
Current
Limit
Current
Sense
Deglitch
AP2141, AP2151
AP2161, AP2171
1
2
3
4
5
1
Mode: Standby