Hitachi 32LD4550U Service Manual page 92

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