Panasonic TH-42PX6U User manual

© 2006 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
TH-42PX6U
TH-50PX6U
GP9DU Chassis
Digital High Definition Plasma Television
Please file and use this manual together with the service manual for Model No.
TH-42PX600U, Order No.MTNC0601991CE.
TH-50PX60U, Order No.MTNC0601992CE.
Specifications
Power Source AC 120 V, 50 / 60 Hz
Power Consumption
Maximum 390 W (TH-42PX6U), 515 W (TH-50PX6U)
Standby condition 0.2 W
Plasma Display panel
Drive method AC type
Aspect Ratio 16:9
Contrast Ratio (max) 10000:1
Visible screen size 106 cmV (TH-42PX6U), 127 cmV (TH-50PX6U)
(W × H × Diagonal) 36.3” × 20.4” × 41.6” (920 mm × 518 mm × 1,056 mm) (TH-42PX6U)
43.6” × 24.5” × 50.0” (1,106 mm × 622 mm × 1,269 mm) (TH-50PX6U)
(No. of pixels) 786,432 (1,024 (W) × 768 (H)) [3,072 × 768 dots] (TH-42PX6U)
1,049,088 (1,366 (W) × 768 (H)) [4,098 × 768 dots] (TH-50PX6U)
Sound
Speaker 4.8” × 2.4” (120 mm × 60 mm) × 2 pcs, 8 W
Audio Output 20 W [10 W + 10 W], (10% THD)
ORDER NO.MTNC060480AE

1 Difference PCB Structure sheet 4
1.1. TH-42PX6U 4
1.2. TH-50PX6U 4
2 Service Hint 5
2.1. TH-42PX6U 5
2.2. TH-50PX6U 6
3 Plasma panel replacement method 7
3.1. Remove the S-Board 7
3.2. Remove the K-Board 7
4 Location of Lead Wiring 8
4.1. Lead of Wiring (1) 8
4.2. Lead of Wiring (2) 9
5 Conductor Views 11
5.1. H-Board 11
5.2. K and S-Board 13
5.3. DG-Board 14
5.4. DT-Board 16
6 Schematic and Block Diagram 19
6.1. Schematic Diagram Note 19
6.2. Main Block Diagram (42inch) 20
6.3. Main Block Diagram (50inch) 21
6.4. H-Board Block Diagram 22
6.5. H-Board (1 of 3) Schematic Diagram 23
6.6. H-Board (2 of 3) Schematic Diagram 24
6.7. H-Board (3 of 3) Schematic Diagram 25
6.8. K and S-Board Block and Schematic Diagram 26
6.9. DG-Board (1 of 3) Block Diagram 27
6.10. DG-Board (2 of 3) Block Diagram 28
6.11. DG-Board (3 of 3) Block Diagram 29
6.12. DG-Board (1 of 8) Schematic Diagram 30
Channel Capability
(Digital/Analog) VHF/UHF: 2 - 69, CATV: 1 - 135
Operating Conditions Temperature : 0°C-40°C
Humidity : 20 % - 80 % RH (non-condensing)
Connection Terminals
INPUT 1-2 VIDEO: RCA PIN Type × 1 1.0 V[p-p] (75 W)
S-VIDEO: Mini DIN 4-pin Y: 1.0 V[p-p] (75 W) C: 0.286 V[p-p] (75 W)
AUDIO L-R: RCA PIN Type × 2 0.5 V[rms]
COMPONENT VIDEO
INPUT 1-2 Y: 1.0 V[p-p] (including synchronization)
PB,P
R:±0.35 V[p-p]
AUDIO L-R: RCA PIN Type × 2 0.5 V[rms]
HDMI 1-2 TYPE A Connector1.0 V[p-p] (including synchronization)
AUDIO L-R: RCA PIN Type × 2 0.5 V[rms]
Card slot
(SERVICE ONLY) SD CARD slot × 1
AV PROG. OUT VIDEO: RCA PIN Type × 1 1.0 V[p-p] (75 W)
AUDIO L-R: RCA PIN Type × 2 0.5 V[rms]
DIGITAL AUDIO OUT PCM/ Dolby Digital, Fiver Optic
FEATURES 3D Y/C FILTER
Dimensions ( W × H × D )
Including pedestal 42.1” × 30.1” × 12.6” (1,068 mm × 764 mm × 320 mm) (TH-42PX6U)
49.5” × 34.6” × 14.6” (1,257 mm × 877 mm × 370 mm) (TH-50PX6U)
TV Set only 42.1” × 27.6” × 3.8” (1,068 mm × 701 mm × 97 mm) (TH-42PX6U)
49.5” × 32.1” × 3.8” (1,257 mm × 814 mm × 97 mm) (TH-50PX6U)
Weight
Including pedestal 70.5 lb. (32 kg) (TH-42PX6U) 97.0 lb. (44 kg) (TH-50PX6U)
TV Set only 66.1 lb. (30 kg) (TH-42PX6U) 90.4 lb. (41 kg) (TH-50PX6U)
Notes:
·
· ·
· Design and Specifications are subject to change without notice. Weight and Dimensions shown are approximate.
CONTENTS
Page Page
2
TH-42PX6U / TH-50PX6U

6.13. DG-Board (2 of 8) Schematic Diagram 31
6.14. DG-Board (3 of 8) Schematic Diagram 32
6.15. DG-Board (4 of 8) Schematic Diagram 33
6.16. DG-Board (5 of 8) Schematic Diagram 34
6.17. DG-Board (6 of 8) Schematic Diagram 35
6.18. DG-Board (7 of 8) Schematic Diagram 36
6.19. DG-Board (8 of 8) Schematic Diagram 37
6.20. DT and GS-Board Block Diagram 38
6.21. DT-Board (1 of 6) Schematic Diagram 39
6.22. DT-Board (2 of 6) Schematic Diagram 40
6.23. DT-Board (3 of 6) and GS-Board Schematic Diagram 41
6.24. DT-Board (4 of 6) Schematic Diagram 42
6.25. DT-Board (5 of 6) Schematic Diagram 43
6.26. DT-Board (6 of 6) Schematic Diagram 44
7 Parts Location & Mechanical Replacement Parts List 45
7.1. Parts Location (TH-42PX6U) 45
7.2. Parts Location (TH-50PX6U) 46
7.3. Packing Exploded Views 47
7.4. Mechanical Replacement Parts List (TH-42PX6U) 48
7.5. Mechanical Replacement Parts List (TH-50PX6U) 49
8 Electrical Replacement Parts List 50
8.1. Replacement Parts List Notes 50
8.2. Electrical Replacement Parts List (TH-42PX6U) 51
8.3. Electrical Replacement Parts List (TH-50PX6U) 79
3
TH-42PX6U / TH-50PX6U

1 Difference PCB Structure sheet
1.1. TH-42PX6U
Board name Parts No. Remarks
TH-42PX60U TH-42PX6U
DT TNAG167S TNAG170S Changed
HC TNPA3855S TNPA3855E *
DG TNPA3903BBS TNPA3903BGS Changed
HTNPA3769S TNPA3769ABE Changed
PA TXNPA1BJTUJ TXNPA1BJTUE *
KTNPA3762AGS TNPA3603AES Changed
STNPA3964ABS TNPA3604ACS Changed
GTNPA3764ADS ----- Deleted
GS TNPA3853ABS ----- Deleted
GK TNPA3965ACS ----- Deleted
DTNPA3810AHS
C1 TXNC11BJTUJ TXNC11BJTUE *
C2 TXNC21BJTUJ TXNC21BJTUE *
SU TXNSU1BJTUJ TXNSU1BJTUE *
SD TXNSD1BJTUJ TXNSD1BJTUE *
SC TXNSC1BJTUJ TXNSC1BJTUE *
SS TXNSS1BJTUJ TXNSS1BJTUE *
PTXN/P1BJTU
* Changed Parts No. only.
1.2. TH-50PX6U
Board name Parts No. Remarks
TH-50PX60U TH-50PX6U
DT TNAG167S TNAG170S Changed
HC TNPA3855S TNPA3855E *
DG TNPA3903BCS TNPA3903BHS Changed
HTNPA3769S TNPA3769ABE Changed
PA TXNPA1BJTUJ TXNPA1BJTUE *
KTNPA3762AGS TNPA3603AES Changed
STNPA3964ABS TNPA3604ACS Changed
GTNPA3764ADS ----- Deleted
GS TNPA3853ABS ----- Deleted
GK TNPA3965ACS ----- Deleted
DTNPA3820ACS
C1 TXNC11BHTUJ TXNC11BHTUE *
C2 TXNC21BHTUJ TXNC21BHTUE *
C3 TXNC31BHTUJ TXNC31BHTUE *
C4 TXNC41BHTUJ TXNC41BHTUE *
C5 TXNC51BHTUJ TXNC51BHTUE *
C6 TXNC61BHTUJ TXNC61BHTUE *
SU TXNSU1BHTUJ TXNSU1BHTUE *
SD TXNSD1BHTUJ TXNSD1BHTUE *
SC TXNSC1BHTUJ TXNSC1BHTUE *
SS TXNSS1BHTUJ TXNSS1BHTUE *
SS2 TNPA3829S
SS3 TNPA3830S
PETXMM610MEF
* Changed Parts No. only.
4
TH-42PX6U / TH-50PX6U

2 Service Hint
2.1. TH-42PX6U
Board Name Function Board Name Function
PPower Supply C1 Data Driver (Lower Right)
PA DC-DC Converter, Speaker out, Audio AMP C2 Data Driver (Lower Left)
HAV Terminal, AV Switch SC Scan Drive
DG Digital Signal Processor, Micom, HDMI Interface SU Scan out (Upper)
DT ATSC Interface SD Scan out (Lower)
DFormat Converter, Plasma AI, Sub-Field Processor SS Sustain Drive
HC Jig Connection KRemote receiver, Power LED, Key Switch
SPower Switch
5
TH-42PX6U / TH-50PX6U

2.2. TH-50PX6U
Board Name Function Board Name Function
PPower Supply C1 Data Driver (Upper Right)
PA DC-DC Converter
Speaker out, Audio AMP, Fan Control C2 Data Driver (Upper Center)
C3 Data Driver (Upper Left)
HAV Terminal, AV Switch C4 Data Driver (Lower Left)
DG Digital Signal Processor, Micom, HDMI Interface C5 Data Driver (Lower Center)
DT ATSC Interface C6 Data Driver (Lower Right)
DFormat Converter, Plasma AI, Sub-Field Processor SC Scan Drive
GS SD Card Slot SU Scan out (Upper)
KRemote receiver, Power LED, Key Switch SD Scan out (Lower)
SPower Switch SS Sustain Drive
HC Jig Connection SS2 Sustain Connector (Upper)
SS3 Sustain Connector (Lower)
6
TH-42PX6U / TH-50PX6U

3.1. Remove the S-Board
1.Remove the screw (×2 ) and remove the S-Board unit.
2.Unlock the cable clampers to free the cable.
3.Disconnect the coupler (S2).
4.Remove the screws (×2 ) and remove the S-Board.
3.2. Remove the K-Board
1.Unlock the cable clampers to free the cable.
2.Disconnect the couplers (H53 and S2).
3.Remove the screws (×3 ) and remove the K-Board.
3 Plasma panel replacement method
7
TH-42PX6U / TH-50PX6U

4 Location of Lead Wiring
4.1. Lead of Wiring (1)
8
TH-42PX6U / TH-50PX6U

4.2. Lead of Wiring (2)
9
TH-42PX6U / TH-50PX6U

NOTE
10
TH-42PX6U / TH-50PX6U

5 Conductor Views
5.1. H-Board
ABCDEFGH I
1
2
3
4
5
6
R2860
R2861 R2864
TP9V
R2699
JS2600
JS2601
JS2602
JS2603
JS2604
JS2605
JS2606
JS2607
JS2608
JS2609
JS2610
JS2611
JS2612
JS2614
JS2615
JS2616
JS2617
JS2621
C2701
C2703 C2705
TP30V
C2708
JS2642
JS2643
JS2646
JS2647
JS2648
C2710
JS2649
C2712
C2715
C2717
JS2650
JS2651
JS2652
JS2653
C2723
C2725
C2726
R2127
C2730
C2732
C2734
C2735
C2736
C2738
R2719
C2741 C2743
L2600
L2601
C2746
L2602
L2603
L2604
C2748
R2721
L2605 L2606
R2723
L2607 L2608
C2750
C2757
C2760
H5
H6
H7
C2763
C2765
L2626 L2627 L2628
L2629
R2746
C2773
L2630
C2774
C2775
L2631
C2776
L2637
C2781
C2782
C2791
C2794
C2795
C2796
C2797
R2771
R2773
JK2601
JK2602
JK2603
JK2604
JS2714
JS2715 JS2716
H53
JS2717
JS2718
JS2719
JS2720
JS2721
JS2722
JS2723
JS2724
JS2725
C2602
C2624
R2600 R2601 R2602
C2630
C2635
R2806
R2809
R2810
R2819
C2656
C2662
C2665
D2641
C2666
D2642
R2836
D2647 D2648
C2670
C2672
R2841
D2652 D2653
D2657 D2658
R2848 R2849
D2659
D2660
R2850
R2851
R2855
PbF
TNPA3769
1
H
12
34
12
34
12
3
4
12
3
4
12
34
1
2
34
SEE REVERSE FOR SUFFIX
12
3
4
12
34
12
34
12
34
1
2
34
12
3
4
12
3
4
12
3
4
1
2
34
1
2
34
1
9 1 91
14
12
34
12
34
12
3
4
12
34
12
34
12
34
12
3
4
COMPONENT1
COMPONENT2
V1
V2
MONOUT
1
5
6
10
11
15
LR
12
34
12
3
4
1
12
1
2
34
12
3
4
12
34
1
2
4
3
TH-42/50PX6U
H-BOARD TNPA3769ABE
TH-42/50PX6U
H-BOARD TNPA3769ABE
H-BOARD (FOIL SIDE)
TNPA3769ABE
Parts Location
H-BOARD (FOIL SIDE)
TP9V F-3
TP30V G-3
TP
H
TH-42PX6U / TH-50PX6U
11

ABCDEFGH I
1
2
3
4
5
6
C2694
FL2604
FL2605
FL2606
R2862
FL2607
C2697
FL2608
R2670
C2698
FL2609
C2699
R2865
R2671
R2672
R2867
R2673
R2868
R2674
R2869
R2675
R2676 R2677 R2678
FL2610
FL2611
R2679
FL2612
FL2613
R2870
R2871
R2872
R2873
R2680
R2681 R2682
R2683
R2684
R2685
R2686
R2687
R2688
R2690
R2691
R2692
R2693
R2694
R2695
R2696
R2697
R2698
FL2630 FL2631
FL2632
R2894
JS2613
JS2618
JS2619
JS2620
JS2622
JS2623
JS2624
JS2625
JS2626
JS2629
JS2630
JS2632
JS2633
JS2634
C2700
C2701
C2702
C2704
C2706
C2707
JS2640
JS2641
C2709
JS2644
JS2645
C2711
C2713
C2714
C2716
C2718
C2719
JS2654
JS2655
JS2656
JS2657
C2720 C2721
C2722
C2724
C2725
C2726
C2727
R2700
C2728
JS2660
C2729
JS2661
R2701
JS2662
R2702
R2703
JS2663
R2704
R2705
R2706
R2707
R2708
C2731
R2709
C2732
C2733
C2735
C2737
R2710
R2711
C2739
R2712
R2713
R2714
R2715
R2716 R2717
R2718
C2740
C2742
C2744
L2600
L2601
C2745
C2746
L2602
C2747
L2603
L2604
R2720
C2748
L2605
L2606
R2722 L2607 L2608
R2724
R2725
L2609
R2726
R2727
R2728
C2750
C2751
R2729
C2752
C2753
C2754
C2755
C2756
C2757
L2613
C2758
R2730
L2615
R2731
R2732
L2616
L2617
R2733
L2618
R2734
H1
R2735
H2
R2736
R2737
C2760
R2738
C2761
R2739
H5
C2762
H6
H7
C2763
C2764
C2765
C2766
C2767
R2740
C2768
R2741
C2769
L2625
R2742
L2626
L2627
R2743
L2628
R2744
R2745
L2629
R2747
C2770
R2748
R2749
C2771
C2772
C2773
L2630
C2774
C2775
L2631
C2776
L2632
C2777
L2633
C2778
R2750
L2634
R2751
C2779
R2752
L2636
L2637
R2753
R2754
R2755
R2756
R2757
R2758
C2780
C2781
R2759
C2783
C2784
C2785
C2786
R2760
R2761
C2789
R2762 R2763 R2764
R2765
R2766
R2767
R2768
C2790
R2769
C2791
C2792
C2793
C2794
C2795
C2796
C2797
C2798
R2770
C2799
R2772
R2774
R2775
JK2601
JK2602
R2776
JK2603
R2777 R2778
JK2604
R2779
R2780
R2781
R2782
R2783
R2784
R2785
R2786
R2787
R2788
R2789
R2790
R2791
R2792
R2793
R2794
R2795
R2796
R2797
R2798
R2799
H40
FL3301 FL3302
H51
H53
C2600
C2602
C2603
C2604
Q2601
C2605
Q2602
C2606
Q2603
C2607 C2608
Q2604Q2605
C2609
Q2606
Q2607
C2800
Q2608
C2801
Q2609
C2802
C2610
C2611
C2612
C2613
JS2740
Q2610
C2614 C2615
JS2741
Q2611
JS2742
Q2612
C2616
JS2743
C2617
Q2613
C2618
JS2744
C2619
JS2745
Q2615
Q2616
JS2746
JS2747
Q2617
Q2618
JS2748
JS2749
Q2619
C2620 C2621
C2622
C2623
JS2750
C2624
D2600
JS2751
C2625
Q2621
D2601
Q2622
C2626
D2602
D2603
Q2623
C2627
C2628
D2604
Q2624
Q2625
C2629
Q2626
Q2627
R2603
R2604
Q2628
R2605
D2609
R2606
R2607
R2608
C2631
IC2601
R2609
C2632
IC2602
C2633
IC2603
D2610
C2634
Q2630
R2800
IC2604
C2635
R2801
Q2631
D2611
D2612
C2636
IC2606
Q2632
R2802
D2613
C2637
R2803
IC2607
Q2633
IC2608
TP30
C2638
R2804
R2610
R2805
D2615
C2639
R2611
D2616
R2612
R2613
R2807
D2617
R2614
R2808
R2615
D2619
R2616 R2617
C2640
R2618
R2619
C2641
C2642
C2643
C2644
D2620
D2621
C2645
C2646
D2622
C2647
D2623
R2813
R2814
C2648
D2624
R2620
R2621
C2649
R2815
R2816
R2622
R2623
R2817
R2818
R2624
R2625
D2629
R2626
R2627
R2628
C2650
C2651
R2629
C2652
C2653
C2654
R2820
D2630
C2655
R2821
C2656
R2822
C2657
R2823
R2824
C2658
R2630
R2825
C2659
R2631
D2635
R2632
D2636
R2826
R2633
D2637
R2827
R2634
R2828
D2638
R2829
D2639
R2635
R2636
R2637
C2660
R2638
C2661
R2639
C2663
R2830
D2640
R2831
R2832
C2667
R2833
D2643
R2834
C2668
R2640
D2644
R2835
D2645
C2669
R2641
D2646
R2642
R2837
R2643
R2838
R2644
R2839
R2645
D2649
R2646
R2647
R2648
R2649
C2671
C2672
C2673
R2840
C2674
D2650
C2675
D2651
R2842
C2676
R2843
C2677
C2678
D2654
R2650
R2651
C2679
D2655
R2846
R2652
D2656
R2653
R2654
R2655
R2656
R2657
R2658
C2680
R2659
C2681 C2682
C2683
C2684
D2661
C2685
R2852
C2686
D2662
D2663
C2687
D2664
R2660
C2688
R2854
R2661
C2689
R2662
R2856
R2857
R2663
R2858
R2664
R2665
R2859
R2666
R2667
FL2600
C2690
R2668
C2691
FL2601
R2669
C2692
FL2602
FL2603
C2693
JS2664
JS2665
JS2666
D2665
PbF
TNPA3769
H1
AE AD AC AB
DVI
AUDIO
DIP
HMM1
HMM2
HMM3
HMM4
SUFFIX
1
2
34
12
3
4
1
2
34
1
2
34
1
2
34
1
2
34
1
2
3
4
12
3
4
12
34
12
3
4
1
2
34
1
2
34
1
2
34
1
2
34
2
34
11 2
34
180
111
1919
114
1
2
34
1
2
34
1
2
34
12
3
4
12
3
4
1
2
34
1
2
3
4
COMPONENT1
COMPONENT2
V1 V2 MONOUT
1
56
10
11
15
L
R
1
2
34
1
2
19
20
1
2
34
1
2
29
30
1
12
1
2
34
1
2
34
12
3
4
1
2
34
124
25 40
41
64
65
80
111
12
22
23
33
34
44
1
15
16
30
1
10 11
20
1
45
8
1
3
4
5
1
4
58
TH-42/50PX6U
H-BOARD TNPA3769ABE
TH-42/50PX6U
H-BOARD TNPA3769ABE
H-BOARD (COMPONENT SIDE)
TNPA3769ABE
Parts Location
H-BOARD (COMPONENT SIDE)
IC
IC2601 E-3
IC2602 B-2
IC2603 C-2
IC2604 D-2
IC2606 B-5
IC2607 F-4
IC2608 C-2
Q2601 F-3
Q2602 F-4
Q2603 F-4
Q2604 E-4
Q2605 E-3
Q2606 E-3
Q2607 E-3
Q2608 E-3
Q2609 A-2
Q2610 E-2
Q2611 A-2
Q2612 A-2
Q2613 F-3
Q2615 F-3
Q2616 F-3
Q2617 F-3
Q2618 C-1
Q2619 D-2
Q2621 D-4
Q2622 D-4
Q2623 D-4
Q2624 F-3
Q2625 F-4
Q2626 G-3
Q2627 B-2
Q2628 B-2
Q2630 E-3
Q2631 E-2
Q2632 E-4
Q2633 E-4
TP30 G-4
TP
TRANSISTOR
H
TH-42PX6U / TH-50PX6U
12

5.2. K and S-Board
A
1
3
5
2
4
6
C E GIBDFH
S-BOARD (COMPONENT SIDE)
TNPA3604ACS
K-BOARD (FOIL SIDE)
TNPA3603AES
S-BOARD (FOIL SIDE)
TNPA3604ACS
TH-42/50PX6U
K-BOARD TNPA3603AES
S-BOARD TNPA3604ACS
TH-42/50PX6U
K-BOARD TNPA3603AES
S-BOARD TNPA3604ACS
K-BOARD (COMPONENT SIDE)
TNPA3603AES
SW2500
S1
C2500
D2500
R2501
TNPA3604
2S
S2
PbF
13
SEE REVERSE FOR ORDER NO.
12
C2512
C2513
Q2510
C2514
Q2511
C2515
C2516
Q2513
C2517
Q2518
Q2519
Q2520
D2512
D2513
D2514 D2515
D2516
D2517
D2518
R2515
D2519
R2516
R2517
R2518
R2519
D2520
D2521
D2522
D2523
R2520
D2524
D2525
R2521
R2522
D2526
R2523 R2524
D2528
R2525
D2529
R2526
R2529
D2530
R2530
R2531
R2538
R2540
R2542
RM2510
R2544
R2545
R2549
R2550
R2552
R2553
R2554
R2555
R2556
R2557
R2558
R2559
R2560
K1
K2
K3
SW3751
SW3752
SW3753
SW3754
SW3755
R3750
R3751
R3752
R3753
R3754
R3755
R3756
R3757
R3758
TNPA3603
STR
TV/VTR
CH.DN
-/ F
VOL.UP VOL.DOWN
+/
TV/AV
CH.UP
K
2
PbF
SEE REVERSE FOR ORDER NO.
2
12
111
12
18
C2513
C2514
C2516
R2515
D2520
D2525
D2530
RM2510
J1
J2 J3 J4
K1
K2
K3
SW3751 SW3752 SW3753 SW3754 SW3755
J101
J102
J103
J104
TNPA3603
K
CH.UP
TV/AV
CH.DN
+/
VOL.UP
-/
VOL.DOWN
F
TV/VTR
STR
2
ORDER NO.
1
2
11
12
12 18
SW2500
J201
J202
S1
TNPA3604
2S
S2
1 3
ORDER NO.
1 2
KS
TH-42PX6U / TH-50PX6U
13

5.3. DG-Board
ABCDEFGH I
1
2
3
4
5
6
Q1125
IC1101
IC1104
Q1134 Q1135
Q1137
Q1139
IC1110
Q1140 Q1141
IC016
IC017
IC018
Q045
IC024
IC029
IC030
Q061
Q067
Q068
Q069
Q070
Q071
Q073
Q074
Q075
Q076
Q077
Q078
Q079
Q082 Q083
TP1101 TP1102
TP1103
TP1104 TP1105
TP1106
TP1107
Q918
Q919
TP1112
TP1113
TP1114
TP1115 TP1116
TP1117
TP1118
TP1119
TP1120
TP028
TP029
TP030
TP031
TP032
TP033
TP034
TP036
TP037
TP038
TP039
TP040
TP041
TP064
TP065
TP066
Q1100
Q1101
Q1102
Q1103
Q1106
Q1107
Q1111
Q1112
TNPA3903 DG1
CR NO.4
Q065
Q066
TP1121
TP067
TP068 Q084
TP035
PbF
124
25
48
+
1
+
1
1
1
1
1
1
1
+
SEE REVERSE FOR
SUFFIX .
+
+
DG-BOARD (FOIL SIDE)
TNPA3903BGS (42inch)
TNPA3903BHS (50inch)
TH-42PX6U
DG-BOARD TNPA3903BGS TH-50PX6U DG-BOARD TNPA3903BHS TH-42PX6U DG-BOARD TNPA3903BGS TH-50PX6U DG-BOARD TNPA3903BHS
Parts Location
DG-BOARD (FOIL SIDE)
IC
IC1101 E-3
IC1104 F-2
IC1110 F-2
IC4016 B-3
IC4017 B-2
IC4018 B-4
IC4024 B-2
IC4029 C-4
IC4030 C-3
Q1100 E-3
Q1101 E-3
Q1102 E-3
Q1103 E-3
Q1106 E-2
Q1107 E-2
Q1111 F-2
Q1112 F-2
Q1125 E-3
Q1134 D-2
Q1135 D-2
Q1137 F-3
Q1139 E-4
Q1140 F-2
Q1141 F-2
Q4045 C-2
Q4061 D-2
Q4065 A-2
Q4066 A-2
Q4067 B-2
Q4068 A-3
Q4069 B-1
Q4070 B-1
Q4071 A-2
Q4073 B-3
Q4074 B-2
Q4075 A-2
Q4076 B-3
Q4077 A-2
Q4078 A-3
Q4079 A-3
Q4082 B-2
Q4083 B-2
Q4084 B-2
Q4918 E-3
Q4919 E-3
TRANSISTOR
TP1101 F-3
TP1102 F-3
TP1103 F-2
TP1104 F-3
TP1105 F-2
TP1106 F-2
TP1107 F-2
TP1112 A-5
TP1113 C-5
TP1114 A-5
TP1115 D-5
TP1116 D-5
TP1117 C-5
TP1118 D-5
TP1119 D-5
TP1120 F-3
TP1121 D-5
TP4028 B-4
TP4029 B-3
TP4030 B-4
TP4031 A-2
TP4032 A-1
TP4033 A-3
TP4034 A-1
TP4035 B-2
TP4036 B-1
TP4037 D-4
TP4038 A-5
TP4039 B-5
TP4040 B-5
TP4041 C-4
TP4064 B-1
TP4065 B-1
TP4066 B-2
TP4067 B-2
TP4068 A-2
TRANSISTORTP
DG
TH-42PX6U / TH-50PX6U
14

ABCDEFGH I
1
2
3
4
5
6
Q1114
Q1115
Q1116
IC1102
IC1103
Q1130
Q1131
IC1105
Q1132
IC1106
Q1133
IC1108
DG10
DG15
IC1111
Q1142
Q1143
DG20
DG22
DG35
IC013
IC014
Q040
Q041
Q042
Q043
Q044
IC019
Q046
IC020
IC022
IC023
Q050
Q051
IC025
DG1
Q052
IC026
DG2
IC027
DG3
Q054
IC028
DG5
Q056
DG7
Q057
DG8
Q058
DG9
Q059
IC032
IC033
Q060
IC034
IC035
Q062
IC036
Q063
IC037
IC038
Q064
IC039
IC040
Q080
Q081
TP1108
TP1109
TP1110
Q1104
Q1105
Q1108
Q1109
Q1110
Q1113
TNPA3903
CR NO.4
THERMAL PAD
THERMAL PAD
DG
THERMAL PAD
THERMAL PAD
BA BB BC BD BE BF BG BH BJ BK BL BM BN
1
SUFFIX
Q920
Q921
PbF
1
4
58
1
54
55
108 109 162
163
216
1
7
8
14
1
78
14
17
1
1
40
110
56
55 1
1
7
1
4
58
1
1
25
26 50
51
75
76
100
1
25 26 50
51
75
76
100
14
5
8
14
5
8
1
89
16
180
1
36
37
72
73
108
109
144
111
1
1
45
8
1
21
1
19
20 2
19 1
19 1
1
45
8
14
5
8
18
9
16
14
58
1
16
17
33 48
49
64
32
A
1
1
A
1
4
58
1
NP
NP
NP
NP
+
140
1
40
TH-42PX6U
DG-BOARD TNPA3903BGS TH-50PX6U DG-BOARD TNPA3903BHS TH-42PX6U DG-BOARD TNPA3903BGS TH-50PX6U DG-BOARD TNPA3903BHS
DG-BOARD (COMPONENT SIDE)
TNPA3903BGS (42inch)
TNPA3903BHS (50inch)
Parts Location
DG-BOARD (COMPONENT SIDE)
IC
IC1102 A-2
IC1103 B-3
IC1105 B-2
IC1106 B-2
IC1108 C-1
IC1111 A-2
IC4013 E-3
IC4014 D-1
IC4019 F-4
IC4020 D-3
IC4022 F-2
IC4023 F-2
IC4025 E-3
IC4026 F-2
IC4027 E-2
IC4028 E-3
IC4032 D-5
IC4033 F-5
IC4034 D-4
IC4035 E-5
IC4036 B-4
IC4037 D-4
IC4038 E-4
IC4039 C-4
IC4040 D-2
Q1104 B-2
Q1105 C-2
Q1108 B-2
Q1109 B-2
Q1110 B-2
Q1113 A-2
Q1114 B-2
Q1115 A-2
Q1116 B-2
Q1130 C-2
Q1131 C-2
Q1132 C-2
Q1133 C-2
Q1142 C-2
Q1143 B-1
Q4040 E-2
Q4041 E-1
Q4042 E-2
Q4043 E-2
Q4044 E-2
Q4046 E-2
Q4050 F-5
Q4051 D-1
Q4052 D-2
Q4054 D-2
Q4056 F-4
Q4057 F-4
Q4058 F-4
Q4059 F-5
Q4060 E-3
Q4062 D-2
Q4063 D-2
Q4064 D-2
Q4080 F-4
Q4081 F-4
Q4920 C-2
Q4921 B-2
TRANSISTOR
TP1108 A-4
TP1109 B-5
TP1110 A-5
TRANSISTORTP
DG
TH-42PX6U / TH-50PX6U
15

5.4. DT-Board
ABCDEFGH I
1
2
3
4
5
6
L310
C648
IC230
C454
C649
L311
L312
IC232
R623
R624
R430
IC235
R431
C265
R625
R819
C266
R432
R626
C267
R433
R627
C650
R240
R628
R241
C651
R435
R629
R436
R242
R243
R437
R244
R438
C460
R820
R439
C463
R824
R630
R825
C465
R631
R826
C466
R633
IC246
IC247
R637
R444
IC249
R445 R446
R447
R448
C470
R830
R831
R449
C471
C472
R832
C473
R258
C474
R640
R834
IC251
C475
C476
R837
IC253
C477
R838
IC254
C478
R450
L141
R645
R451
R646
R452
L143
R647
R454
R648
R456
R457
R264
R265
C099
C481
R266
R267
C483
C484
R844
R650
R269
C485
R847
C294
C489C295
R461
R462
C296
R656
R463
C297
R657
C298
R464
R658
C299
R465
R273
R274
C490
C491
R277
C493
FL210
R660
C494
R661
C495
FL211
C497
C498
C499
R471
R665
R666
R475
R282
R476
R478
R285 R287
R673
R292
R682
R492 R686
R493
R687
R688
R495
R689
R497
R498 R499
R691
R694
FL263
FL266 FL267 FL268
C300
C301
X201
C302
C303
C110
C111
C306
C307
C113
C308
C114
C309
C115
C116
C117
C500
C118
C502
C503
C310
C504
C311
C505
C312
C506
C313 C314
C509
C121
C123
C317 C318
C124
C319
C125
C127
C128
C510
C511
C129
C320
C321
C322
C516
C517
C518
C519
C325
XF200
R301
XF202
R304
R306
C525
C333
C527
C334
C528
R500
C529
C335
R502
C338
R310
C144
C339
C145
R311
R312
C531
C532
R316
C533
R317
C340
R318
C341
C535
R319
C342
C537
C343
R703
R510
C344
L201
L202
C347
L203
L204
C348
L205
R709
R515
L207
C540
L208
L209
R326
C542
R327
C543
R328
C544
R329
C351 C352
C353
C547
R138
C548
L211
C549
R521
L212
C162
L213
R717
R523
C357
R330
L214
C164
R524
C358
R331R332
R333
R140
C551
R141
R142
R336
C552
R720
TP200
R144
C554
C360
C555
C361
TP201
R145
C556
C362
C558
R724
R148
R530
C365
L221
R725
L222
R726
R532
C367
R533
TP207
C368
R340
R728
TP208
C369
R341
R729
R537
R344
C560
R150
R345
R539
C561
R152
R346
R347
R153
C370
R730
C371
C565
TP211
R155
C372
C566
R732
R733
TP213
C567
R157
C374
R734
TP214
R158
R159
R735
TP215
C375
R541
L231
R736
C376
TP216
R542
L232 C377
TP217
R738
TP218
L234
R544
C378
TP219
R545
R351
L235
C379
R546
R352R353
R547
R354
R548
R355
R356
R163
C573
TP220
R358
C574
C575
R165
C576
R166
C383
R744
R550
C384
L240
L241
R551
C385
C579
R746
R552
C387
R553
L244
C388
C389
R556
R362
R363
R557
R558
R364
C580
R365
C582
R366
C583
R367
TP230
C584
R368
C390
C585
TP231
R369
C391
C586
TP232
R752
TP233
R753
C587
C588
TP234
R560
L250
R561
TP235
R755
L251
C589
TP236
R756 R757
TP237
TP238
R758
R564
TP239
R371
L255
R566
L256
R373
R568
L258
C590
JK200
R374
C591
R569
R375
C592
R376
C593
R760
TP240
C594
R378
TP241
C595
C596
TP242
C597
TP243
TP244
C598
R570
TP245
C599
R571
TP246
R572
TP247
R573
TP248
L264
L265
R381
TP249
L266
R382
R577
L267
R383
L268
R578
R384
R385
R387
R388
TP250
R771
R389
R580
R581
R582
R777
R584
R390
R779
R585
L275
R391
R392
R588
L279
R589
R780
DT04
R399
L280
R590
R784
R785
L281
R786
R592
R593
R787
L283
L284
L285
R595
R596
R597
R598
R599
DT12
R792
R793
R795 R796 R797 R798
L294
L297
L298
L299
Q201
Q203 C208
C209
Q207
C400
Q208
Q209
C404
C211
C405
C212
C406
C213
C407
C215
C409
C218
C600
C219
C601
Q216
C602
C603
C604
C410
C605
C606
C413
C607
TU200
C220
C414
C608
C415
C609
C222
C223
C224
D200
C419
C225
C226
R200
C228
C610
C229
Q225
C611
D205
C612
D206
R203
C613
R204
D208
C614
C420
R205
D209
C615
C421
R206
C616
C422
R207
C617
C423
C230
C618
C424
C231
R209
C619
C425
IC202
C426
C233
IC203
C427
IC204
IC010
R400
C234
C428
IC205
Q231
C235
C429
IC206
C237
R210
C238
C620
R211
C239
C621
D216
C622
Q236
C623
R407
Q237
C624
R408
C430
C625
R409
C431
R216
C626
C432
C627
C433
R217
C434
R600
R219
C435
C241
R601
IC211
C436
C242
C243
C437
R603
C244
R410
C245
R605
R606
IC216
D223
R220
C248
IC218
R414
C249
D225
R221
R609
R415
R222
D227
R223
R417
R224
R418
C635
C441
C636
C637
R227
R228
C250
C638
R610
IC220
C445
C252
L303
C253
IC223
R613
L304
R614
L305
C255
R615
C256
L306
R616
L307
R424
C640 L308
IC228
R425
C641
C259
L309
C642
R232
R426
C643
R427
C450
R428
C451
R429
C646
C453
DT
TNPA3758 1
CR NO.
A
A
B
B
C
D
D
C
THERMALPAD
E
E
F
F
G
G
8
H
H
I
I
TP221
TP251
TP252
FL264
FL265
Q238
R849
R848
Q239
R850
C653
C654
R459
D231
R482
PbF
1
24
25 48
17
8
14
1
34
6
1
12
13 24
1
12
13
24
14
5
8
14
5
8
1
10
11
20
1
28
29
56
10 7
1
23
6
10
71
2
3
6
SEE FOR SUFFIX. REVERSE
1
6
712
1
6 7
12 +
+
1
2
35 36
68
67
34
33
1 55
56
110
OOBOUT
ANTVSUPPLY
GND
BTL
TU
GND
VSUPPLY
AGC
SDA SCL
AFT
AGCOUT
VIDEOOUT
GND ROUT
LOUT
GND
BV
IFOUT
IFSW
1
7
8
14
1
4
5
3
13
4
5
1
34
66
33
1
4
5
8
14
5
8
+
1
45
88
132
133
176
89
44
1
36 37 72
73
108
109
144
13
4
5
13
4
5
1
24
48
25
13
4
5
TH-42/50PX6U
DT-BOARD TNAG170S TH-42/50PX6U DT-BOARD TNAG170S
DT-BOARD (FOIL SIDE)
TNAG170S
Parts Location
DT-BOARD (FOIL SIDE)
IC
IC8202 C-4
IC8203 C-4
IC8204 C-4
IC8205 E-5
IC8206 B-5
IC8211 D-6
IC8216 B-3
IC8218 D-3
IC8220 B-2
IC8223 D-2
IC8228 D-2
IC8230 E-4
IC8232 D-2
IC8235 D-6
IC8246 E-2
IC8247 E-6
IC8249 B-3
IC8251 D-5
IC8253 B-5
IC8254 D-2
IC8010 E-5
Q8201 B-4
Q8203 A-5
Q8207 B-1
Q8208 B-2
Q8209 D-3
Q8216 E-4
Q8225 F-4
Q8231 F-4
Q8236 B-2
Q8237 B-1
Q8238 E-2
Q8239 E-2
TP8200 B-4
TP8201 C-4
TP8207 D-3
TP8208 B-2
TP8211 F-4
TP8213 D-6
TP8214 C-6
TP8215 B-6
TP8216 B-6
TP8217 B-6
TP8218 B-6
TP8219 E-2
TP8220 E-6
TRANSISTOR
TP
TP8221 D-2
TP8230 D-1
TP8231 D-2
TP8232 E-2
TP8233 E-2
TP8234 E-2
TP8235 E-2
TP8236 E-2
TP8237 E-2
TP8238 F-5
TP8239 E-5
TP8240 E-2
TP8241 E-2
TP8242 C-5
TP8243 D-5
TP8244 D-3
TP8245 B-3
TP8246 D-4
TP8247 E-2
TP8248 E-4
TP8249 D-4
TP8250 D-4
TP8251 E-4
TP8252 E-4
DT
TH-42PX6U / TH-50PX6U
16

ABCDEFGH I
1
2
3
4
5
6
R620
R621
C455
R622
C456
R817
C457
C458
R818
C459
R434
C652
R821
C461
R822
C462
R823
C464
IC240
C272
R632
C273
C467
R827
C468
R634
R440
IC244
R828
C469
R635
R441
R829
R636
R442
R443
C660
R638
C661
R639
C662
C663
C664
R833
IC250
R641
R835
R642
R643
R644
R839
C479
L142
R453
R649
R458
C480
R840
R841
C482
R842
R843
R651
R845
R846
C486
R652
R653
C487
R460
C488
R654
R655
R270 R271
R659
R272
R466
R467
R468
R469
C492
C496
R662
R663
R470
R664
R472
R473
R667
R474
R668
R669
R477 R479
R288
R670
R289
R671
R672
R674
R480
R481
R483
R290
R678
R484
R291
R679
R485
R486
R293
R487
R488
R489
R297
R680
R681
R299
R683
R490
R684
R491
R685
R494
R496
R690
R692
R693
R695
R696
R697
R698
R699
FL262
C100
C101
C102
C103
C104
X005
C105
C106
C107 C108
C109
X200
C304
C305
C112
C501
C507
C508
C120
C315
C316
C122
C126
C512
C513
C514
C515
C323
C324
C326
C327
R300
C328
C329
R302
R303
C520
R305
C521
C522
R307
C523
C330
R308
C524
C331
R309
C332
C526
R501
C336
C337
R503
R504
R505
R506
R313
R507
C530
R314
R508
R509
R315
C534
R700
R701
C536
R702
L200
C538
R704
C345
C539
R705
R511
C346
R512
R706
R513
R707
R708
R514
R320
C349
R321
R322
R516
R323
R517
R518
R324
C541
R325
R519
C350
R710
R711
C545
R712
C546
R137
R520
C354
C355
R715
R139
C356
R522
R716
R718
R525
C359
R719
R526
R527
R528
R334
C550
R529
R335
R143
R337
C553
R338
R339
R721
R722
R146
C557
R723
R147 C363
C170
C364
C559
R531
R149
C366
R727
L223
R534
L224
L225
R535
R536
R342
R343
R538
R151
C562
C563
R154
C564
R348
R349
R156
C373
C568
R540
C569
R543
R350
L236
L237
R160
C570
L239
R161
C571
R162
C572
R357
R164
C380
R741
R359
C381
R742
C382
C577
C578
L242
C386
R747
L243
R748
R554
R360
R749
R361
R555
C581
R559
R751
C392
C393
C394
C395
C396
R562
R563
C397
L253
C398
L254
R370
R565
R759
C399
R372
R567
JK200
R377
R379
R574
R380
R575
R576
R579
R386
R583
R778
L276
R586
R587
R393
R394
R395
DT02
R396
R397
DT04
R398
R781
R782
DT07
R783
DT08
R591
L282
R594
R788
DT10
L288 L289
L096
R791
R794 L291
L293
R799
C200
C201
C202
C203
C204
C205C206C207
C401
C402
C403
Q210
C408
Q211
Q213
Q214
Q215
Q217
Q218
C411
Q219
C412
TU200
C416
C417
C418
Q220
D203
D204
R201
R202
Q226
Q227
D208
Q228
Q229
IC009
R208
IC200
IC201
Q230
R401
R402
R403
Q234 R404
Q235
R405
R212
R406
R213
R218
C240
C628
C629
R602
R604 C438
R411
C439
C246
IC022
R412
C247
IC217
R607
R413
C630
D224
R608
C631
D226
C632
R416
C633
R800
C634
C440
R801
R419
R802
C442 C443
L300
C444
C639
L301
R611
C446
IC222
L302
R612
C447
R420
C254
C448
C449
R421
R422
IC227
R423
R618
R619
IC229
C644 C645
C452
C647
A
C
D
D
1
F
G
G
J
J
KK
A
B
E
F
C
H
DT
TNPA3758
AGAH
APANAMALAKAJ
B
E
AFAEADACAB
H
CR NO.8
FL236
FL233
FL237
FL235
FL234
FL232
FL230
FL228
FL226
FL229
FL231
FL224
FL225
FL227
FL254
FL215
FL238
FL239
FL240
R455
SUFFIX
C655
D230
C666 C665
L292
L290
DT09
PbF
A
B
C
G
J
L
N
R
U
W
AA D
F
H
K
M
P
T
V
Y
AB
12
3
5
7
9
11
4
6
8
10
13
15
17
19
21
12
14
16
18
20 22
E
1
8
9
16
1
8
9
16
+
+
13
36 35
21
68 67 34 33
14
155
56
110
13
1
BTL
VIDEOOUT
GND
R
IF OUT
IF SW
AGCOUT
GND
OOB
OUT
ANTGND
TU
GND
AGC
SDA SCL
AFT
L
BV
OUTOUT VSUPPLY VSUPPLY
+
1
33
34
66
1
8
9
16
1
4
5
8
1
8
9
16
1
8916
24
25
32
124
25
48
14
5
8
918
10
12
TH-42/50PX6U
DT-BOARD TNAG170S TH-42/50PX6U DT-BOARD TNAG170S
DT-BOARD (COMPONENT SIDE)
TNAG170S
Parts Location
DT-BOARD (COMPONENT SIDE)
IC
IC8200 B-3
IC8201 C-3
IC8217 B-3
IC8222 C-1
IC8227 B-2
IC8229 C-3
IC8240 C-4
IC8244 B-2
IC8250 C-3
IC8009 B-5
IC8022 C-6
Q8210 D-4
Q8211 C-4
Q8213 B-4
Q8214 B-4
Q8215 B-4
Q8217 B-3
Q8218 C-3
Q8219 E-2
Q8220 D-2
Q8226 A-3
Q8227 D-6
Q8228 D-6
Q8229 B-2
Q8230 B-6
Q8234 D-2
Q8235 E-2
TRANSISTOR
DT
TH-42PX6U / TH-50PX6U
17

NOTE
TH-42PX6U / TH-50PX6U
18

6 Schematic and Block Diagram
6.1. Schematic Diagram Note
TH-42PX6U / TH-50PX6U
19

6.2. Main Block Diagram (42inch)
PA5
POWER
PLASMA AI
STANDBY
AC CORD
CONTROL
15V
D32
12V
S.R
+15V
ADDRESS
64
CONTROL
DC/DC CONVERTER
P12
CONVERTER
S.R
DATA DRIVER(LEFT)
FACT OR
CONTROL
P5
C2
PA2
SU
SOS7
TUNER
DG1
DT12
64
SC20
DISCHARGE
OUT
LITE
IIC
VSUS
SUSTAIN
64
SPEAKER
STBY5V_M
HDMI I/F
FILTER
COMP2
SUSTAIN
TV
VOLTAGE
RELAY
DATA
P2.5V
+15V
MAIN L/R
CONVERTER
A/D
MAIN L/R
P10
VOLTAGE
DG5
ATV L/ R
H40
S.R
SUB-FIELD
EEPROM
P25
L/R
MONITOR
DIGITAL SIGNAL PROCESSOR
SCAN OUT
MEMORY
TRANS-
P3.3V
L/R
S.R.
SS
VIDEO1 H1
D5
S.R.
RGB
Y,P b , P r
PASOS
D3
AUDI O
FPGA
VOLTAGE
COMP1
64
Vda-75V
SS_SOS8
PA3 1
15V
VOLTAGE
HDMI
C12
SCAN
OSD
RECEIVER
AMP
RECEIVER
V
PA3 4
PULSE
SS11
GENERATOR
64
PULSE
TV VIDEO
MITTER
SL/SR
V,Y, C
MAIN
CONTROL
POWER SOS
PA1 0
SOS6/
5V
VIDEO
RECTIFIER
VOLTAGE
SPEAKER
S.R
SOUND SOS
D25
L/R
C21
S.R
P2
LINE
L/R
D/A
RGB
DATA DRIVER(RIGHT)
POWER SUPPLY
S.R.
L/R
(VE)
SUSTAIN DRIVE
A/D
PULSE
(GC5)
SDRAM
L
PROCESSOR
CONTROL
C1
PROCESSOR
PULSE
FLASH
SC
LVD S
DATA DRIVE
Y,U V
PROCESSOR
DG22
R
IIC
P1.2V
H2
AV TERMINAL
SUSTAIN
YG/UB
Y,P b , P r
S.R.
P9
DG
S.R
L/R
SS12
INPUT
C11
PULSE
DC POWER
R
S.R
DG20
VSUS
FAN SOS
ERASE
AUDIO IN
DC POWER
HDSL
VIDEO
SOS7
SS23
L
STB12V
D
DG2
L/R
64
RECTIFIER
VOLTAGE
S.R
Vda
DC-DC CONVERTER
S.R.
VDA
D20
64
SC2
TV
SOS8
PEAKS
VIDEO2
AUDIO
SCAN OUT
VOLTAGE
SELECT
INPUT
15V
PICTURE
SELECT
VSUS
BS L/R
HDMI IN
CONTROL
VOLTAGE
DAC
SUSTAIN
S.R.
PA2 0
P_ON/OFF
MCU
SCAN CONTROL
P11
SCAN DRIVE
SD
S.R.
LVDS
RECTIFIER
F_STBY-14V
64
STANDBY
64
S.R
Y,P b , P r
PLASMA AI PROCESSOR
64
S.R
+5V
Y,C , V
C22
VDA
ATV L/ R
DT
PA
SOS6
V,Y, C
DC/DC
D31
FORMAT CONVERTER
ATSC INTERFACE
MICOM
PROCESS
SPEAKER
DG3
RECTIFIER
OUTPUT
H
64
SUSTAIN CONTROL
64
PROCESS
C23
STB5V
RECTIFIER
S.R
PA4 0
CONTROL
S.R.
S.R
Y,C , V
PROTECTION(SOS)
P23
+15V
P
BS L/R
FORMAT
VDA
SC23
L/R
AV SWITCH
SOS
SOUND
FAN
+15V
FAN SOS
FILTER
LINE
PS_SOS
KEY SW
KEY SW
K2
REMOTE
S2
POWER SW K
REMOTE RECEIVER
H53
RECEIVER
K1
POWER LED
LED
H2
S
SD CARD
SLOT
DT9
OPT OUT
TH-42PX6U
Main Block Diagram
TH-42PX6U
Main Block Diagram
TH-42PX6U / TH-50PX6U
20