Hitachi 19LD4550C, Service Manual

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19 ″ LCD TV Hitachi 19LD4550U
91
HVP2
Q606
MMBT3906
C632
0.1uF/50V
C605 1uF/25V
C604 0.1uF/25V
EarMuteB 16
OFF_MUTE
HVP2
R727
4.7K OHM 1/10W
VPA
R604 4.7K OHM 1/10W
R606
10 OHM 1/4W
R613 39K OHM 1/10W
R622
3K OHM 1/10W
R602 4.7K OHM 1/10W
+
C612
680uF/25V
+
C615
680uF/25V
FB614 70 OHM
1 2
H
A3
17 21 Friday , June 20, 2008
715T3009
< 称爹 >
Audio MP Class D
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
Q613
MMBT3904
C606
0.1uF/50V
R603
5.1K OHM 1/10W
AMP_12V
R608 47K OHM 1/10W R607
1K OHM 1/10W
R627
NC
L601
22uH +-25%
FB602
NC/BEAD
16V
R624
0 OHM 1/10W
R619
NC
C617
0.68uF/63V
U602
TDA8932BTW
1
2
3
4
5
6
8
9
7
10
11
12
13
14
15
16
32
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
33
VSSD/HW
IN1P
IN1N
DIAG
ENGAGE
POWER UP
VDDA
VSSA
CGND
OSCREF
HVPREF
INREF
TEST
IN2N
IN2P
VSSD/HW
VSSD/HW
VSSD/HW
DREF
HVP2
VDDP2
BOOT2
OUT2
VSSP2
STAB2
STAB1
VSSP1
OUT1
BOOT1
VDDP1
HVP1
OSCIO
TH
1
AMP_MUTE 10
LINE_MUTE 7,16
D605
LL4148
AMP_SHUT 20
R633 NC
C626
0.1uF/25V
C622
0.1uF/25V
C624 1uF/25V
VPA
+ C629
470UF35V
R621
33K OHM 1/10W
R614
10 OHM 1/4W
C614 0.1uF/25V
+ C618
47uF/25V
R625
1K OHM 1/10W
C610
NC
R739 0 OHM 1/10W
R616
5.1K OHM 1/10W
R728
13K OHM 1/10W
R796
5.6K OHM 1/10W
R264
1K OHM 1/10W
+24V
C609
0.47uF
C603
330pF
R740
NC
Q604
MMBT3904
R609
12K OHM 1/10W
FB604
BEAD
HVP1
C625
330pF
C608 470pF
D601 LL4148
R623
10K OHM 1/10W
C627
0.1uF/25V
C613 0.1uF/25V
EarMuteB
Q603
MMBT3904
Q602
MMBT3904
HPDET# 16
OFF_MUTE 16
HVP1
C623
0.1uF/50V
C620 470pF
R612 NC
AMP_POWER
D604 LL4148
Q605
MMBT3904
R617 4.7K OHM 1/10W
FB603
BEAD
D602
LL4148
C628 1uF/25V
AMP_12V
C616
NC
R605
0 OHM 1/10W
R626
10 OHM +-1% 1/4W
VPA
L602
22uH +-25%
R610
47K OHM 1/10W
FB612
70 OHM
1 2
R628
100K OHM 1/10W
C743
1uF/16V
+ C631
330UF16V
R611 NC
SPK_L 16
R615 4.7K OHM 1/10W AMP_POWER
12V-OP
AMP_12V
VOL_MUTE
VOL_MUTE
C607 0.015uF
CN602
CONN
1
2
3
4
OFF_MUTE
C621
0.1uF/25V
C619 0.015uF
AMP_POWER
FB613 70 OHM
1 2
R620
10K OHM 1/10W
R725
0 OHM 1/10W
AMP_POWER
R726
47K OHM 1/10W
R618
1.2K OHM 1/10W
+ C630
470UF35V
C611
0.68uF/63V
FB615 70 OHM
1 2
+5V
SPK_R 16
D603
LL4148
C602 1uF/25V