TDA11105 PS/N3/3 Substitutes CRT TV Repair

TDA11105 PS/N3/3 Substitutes – Complete CRT TV Repair Guide

🧰 Introduction

The TDA11105 PS/N3/3 IC is widely used in LG, Philips, and universal CRT TV kits. Technicians often struggle to find the original IC. This guide provides compatible numbers, substitute ICs, equivalent series, and practical repair tips to simplify your repair workflow.

Using the correct substitutes ensures optimal TV functionality and longevity.

⚙️ Importance of IC Substitution

• Availability: Original ICs may be unavailable; substitutes often provide the only solution.
• Cost Efficiency: Substitute ICs are cheaper, reducing repair costs.
• Compatibility: Correct substitutes maintain TV performance.
• Service Simplification: Universal CRT kits often support substitute ICs for better compatibility.

🧩 TDA11105 IC Substitutes – Master Table

Original IC	Compatible / Substitute ICs	Equivalent Series	Notes
TDA11105 PS/N3/3	TDA11105PS/N1/2, TDA11105PS/N2/3	Same Family	EEPROM reset may be required
TDA11105PS/N2/3	TDA11105PS/N3/3, TDA11105PS/N1/2	Philips Equivalent	Adjust service mode after replacement
TDA11105PS/N1/2	TDA11105PS/N3/3, TDA11104PS/N2/3	Cross-Compatible	Check voltage compatibility
TDA11104PS/N2/3	TDA11105PS/N3/3	Jungle IC Series	Adjust color via EEPROM
TDA11106PS/N2/3	TDA11105PS/N3/3	Higher Series	Check vertical oscillator

🔧 Vertical IC Substitutes

Original Vertical IC	Substitute ICs	Notes
LA78040	LA78041, LA78045	Use proper heat sink
LA78041	LA78040, LA78045	Verify supply voltage
TDA8177	TDA8172, TDA8170	Adjust vertical height in service mode
TDA8356	TDA8350Q, TDA8357J	Check PCB layout compatibility

Tip: Fine-tune picture size and linearity in service mode after replacing vertical ICs.

🛠️ Practical Repair Tips

1. Service Mode: Adjust geometry, color balance, and sound settings.
2. EEPROM Programming: Reset or reprogram EEPROM (24C08, 24C16) when required.
3. Voltage Testing: Verify voltage levels with a multimeter.
4. Heat Management: Apply proper heat sinks and thermal paste if ICs run hot.
5. Signal Compatibility: Ensure support for PAL/NTSC/SECAM.
6. Pinout Verification: Always check substitute IC pinout.

📌 Best Practices

• Check datasheets before using substitutes.
• Maintain a list of tested and verified substitutes.
• Substitute ICs may require minor adjustments in service mode.
• Incorrect EEPROM programming can damage the TV.
• Cross-reference substitute ICs with original family for best results.

🏁 Conclusion

This enhanced guide provides complete information on TDA11105 PS/N3/3 substitutes, equivalent series, practical tips, and best practices. Follow all steps including service mode adjustments, EEPROM verification, voltage testing, and heat management to ensure successful repairs.

Call to Action: Share this guide with technicians and post your experiences or questions in the comment section.

Compatible IC Numbers for LG CRT TV Kit – CRT TV Main IC Substitutes

 Title: CRT TV Main IC Substitutes – Compatible IC Numbers for LG CRT TV Kit (Detailed Guide)

Introduction:
CRT (Cathode Ray Tube) TVs may seem like old technology today, but they still hold value for many users and technicians, especially in rural areas or small repair shops. Among CRT TV brands, LG CRT TVs are widely known for their durability and reliable picture quality. However, when repairing these TVs, one of the most common challenges is finding compatible or substitute ICs (Integrated Circuits) for the main board.

In this post, we will cover LG CRT TV main IC substitutes, discuss their functions, pin compatibility, and provide a detailed guide for identifying equivalent ICs that work in CRT TV kits. This will be a valuable resource for electronics repair engineers, technicians, and hobbyists.

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Understanding the Main IC in LG CRT TVs

The Main IC (also known as the jungle IC or system IC) in a CRT TV is responsible for multiple operations such as:

• Video and audio signal processing

• Synchronization and deflection control

• Color decoding (PAL/NTSC/SECAM)

• On-Screen Display (OSD) control

Because of these functions, choosing a correct replacement IC is crucial for maintaining picture quality and avoiding horizontal or vertical sync issues.

---

Common LG CRT TV Main IC Models

Here are some commonly used main ICs in LG CRT TVs:

Original IC Number	Function / Description	Compatible Substitute ICs
TDA9381PS/N2/3/1908	Jungle IC (Video/Audio Processor)	TDA9384PS/N3/4/1908, TDA9381PS/N2/3/1910
TDA9384PS/N3/4/1908	Main Processor for 21" LG TVs	TDA9381PS/N2/3/1908, TDA9381PS/N2/3/1910
TDA9370PS/N2/AI1225	Used in older LG 21” TVs	TDA9370PS/N2/AI1230, TDA9371PS/N2/AI1240
TDA9381PS/N2/3/1910	Multi-system Jungle IC	TDA9384PS/N3/4/1908, TDA9381PS/N2/3/1908
TDA9373PS/N2/AI1241	Main IC for LG Flatron CRT TV	TDA9370PS/N2/AI1225, TDA9371PS/N2/AI1240
TDA9384PS/N3/4/1908	Common IC in LG Universal Kit	TDA9381PS/N2/3/1908, TDA9381PS/N2/3/1910
LA76810A	Video/Chroma/Sync IC	LA76818A, LA76814A, LA76812A
LA76931	Jungle IC for newer LG CRT models	LA76933, LA76935, LA76938

---

Important Tips for Selecting Substitute ICs

1. Check Pin Configuration:
   Even though many ICs are compatible, the pin configuration might differ slightly. Always compare datasheets before replacement.

2. Use Same IC Series:
   For best performance, stick to ICs from the same family or series, like replacing TDA9381 with TDA9384.

3. Check System Compatibility:
   Ensure that the substitute supports the same TV system standard (PAL, NTSC, or SECAM).

4. Firmware and EEPROM Data:
   Sometimes, even with a compatible IC, you might need to reprogram or replace the EEPROM (24C08, 24C16, etc.) to match the software.

5. Check Power Supply Voltage:
   Verify that the VCC and ground pins match and that the IC supports the same voltage range.

---

CRT TV Kit and Universal Board IC Information

Many LG CRT TV repair kits come with universal main boards, which are designed to work with several ICs. Common ICs in these kits include:

• TDA9381PS/N2/3/1908 (Most popular in 21-inch kits)

• TDA9384PS/N3/4/1908 (Used in slim CRT models)

• TDA9370PS/N2/AI1225 (Older models)

• LA76931 / LA76933 (Newer flat CRT TVs)

When using a universal CRT kit, always ensure that the IC used matches the original tuner type, deflection yoke, and power supply.

---

Common Problems When Using Substitute ICs

Problem	Possible Cause	Solution
No display	EEPROM not matched	Reprogram or replace EEPROM
Color distortion	Mismatch in color decoder IC	Check system format (PAL/NTSC)
Vertical collapse	IC pin mismatch or wrong IC	Verify pin configuration
No sound	Audio output pin mismatch	Check audio amp IC and connection

---

Helpful Resources for Technicians

• Datasheets: Always download datasheets from trusted semiconductor sources (like NXP, Philips, or Toshiba).

• Service Manuals: Use LG CRT TV service manuals to confirm circuit layouts.

• Universal Board Manuals: Most CRT TV kits come with IC compatibility charts.

---

Conclusion

Finding the right substitute IC for an LG CRT TV can make the difference between a successful repair and wasted effort. Always verify compatibility by comparing the datasheets, pinouts, and voltage ratings. Universal CRT kits with ICs like TDA9381PS, TDA9384PS, or LA76931 are the most common choices for replacement.

This guide will help you confidently replace ICs in LG CRT TV kits, ensuring stable performance and long-lasting results.

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Keywords: LG CRT TV IC, CRT TV Kit IC Substitute, TDA9381PS compatible IC, TDA9384PS replacement, LA76931 substitute, CRT TV jungle IC, Universal CRT board IC list, LG CRT TV repair guide, CRT main IC chart.

CRT TV Main IC 8873CSCNG6PR6 Substitutes – Compatible IC Numbers for China Kit

CRT TV Main IC 8873CSCNG6PR6 Substitutes – Compatible IC Numbers for China Kit

CRT टीवी की मेन IC 8873 के विकल्प – चाइना किट के लिए सही IC नंबर

Hello Friends! Welcome to ELECTRONICS TRICS AND TIPS. In this post, we’ll talk about a very common issue in CRT TVs – the failure of the Main IC (Integrated Circuit) on the motherboard, especially in Chinese universal kits.

📌 Common IC Number in China CRT Kits:

One of the most commonly found main ICs in these kits is: 8873CSCNG 6PR6 (sometimes ending with V09).

🔁 Substitutes for IC 8873:

If the 8873 IC gets damaged or is unavailable, you can use the following substitute ICs:

• 8873CSNG 6V09
• 8873CSCNG 7D65
• 8895CSNG7G09
• 8873CSCNG 6PR6
• 8895 series ICs commonly used in similar CRT boards

These ICs may have different model numbers, but they serve the same purpose in most Chinese CRT kits. They are interchangeable in many cases depending on the board layout.

🔍 Note:

Always verify the pin configuration and power supply specifications before replacement. While the functionality may match, the layout and voltage compatibility must be confirmed.

❌ ICs That Are NOT Compatible:

Some ICs like TD11105 are not compatible with these China kits. These are typically used in branded TVs like Konka, etc.

📥 More Information & Resources:

You can find detailed IC datasheets, diagrams, and compatible component info on our website. The link is available in the video description and below:

🧰 Final Tips:

• Keep a list of common substitute ICs handy for quick repairs.
• Label each removed IC properly to avoid confusion.
• Check voltage rating before installing replacement.

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Tags: 8873 IC replace, CRT TV IC number, China kit IC substitute, 8895 IC compatibility, CRT motherboard repair, TV technician guide

Top 5 Substitutes for the 555 Timer IC – Best Alternatives for Your Projects

Top 5 Substitutes for the 555 Timer IC – Best Alternatives for Your Projects

555 टाइमर IC के 5 बेहतरीन विकल्प – आपके प्रोजेक्ट्स के लिए सर्वोत्तम विकल्प

The 555 Timer IC is one of the most popular and versatile integrated circuits used in electronics projects. However, there are situations where you might need an alternative due to availability, specific requirements, or design considerations. Here are the top 5 substitutes for the 555 Timer IC:

1. NE556 Dual Timer IC

The NE556 consists of two independent 555 timers in a single package. It's ideal for applications requiring dual timing circuits.

2. LM556 Dual Timer IC

Similar to the NE556, the LM556 offers two timers in one package with improved performance characteristics.

3. TLC555 CMOS Timer

The TLC555 is a CMOS version of the 555 timer, offering lower power consumption and a wider operating voltage range.

4. ICM7555 Low-Power Timer

The ICM7555 is a low-power CMOS timer that serves as a direct replacement for the standard 555 timer in battery-operated devices.

5. LMC555 CMOS Timer

The LMC555 offers high-speed operation with low power consumption, making it suitable for modern electronic applications.

📌 Applications:

• Pulse generation
• Time delay circuits
• Oscillators
• LED flashers
• Audio tone generation

🔗 Additional Resources:

For more information on these ICs and their datasheets, visit the manufacturers' websites or trusted electronics component distributors.

📢 Final Words:

Choosing the right timer IC depends on your project's specific requirements. The substitutes listed above offer various features that might better suit your application than the standard 555 timer.

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Tags: 555 timer alternatives, NE556, LM556, TLC555, ICM7555, LMC555, electronics components, IC substitutes

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TDA12156H1-N3-3-AT4 COLOUR TV CHROMA IC DATA SHEET & PINOUT

LG ULTRA SLIM CHROMA IC TDA12156/N3/3/AT4

TDA12156H1/N3/3/AT4

1	IR 1.8
2	3.3 NC
3	GND
4
5	3.3 VPF
6	B OUT
7	G OUT
8	R OUT
9	IK
10	ABL
11	5V
12	PBIB
13	YIG
14	PRIR
15	COMP IN FB
16	YOUT
17	YSYNC
18	5V
19	GND
20	HOUT
21	HFB
22	EHT O
23	R OUT
24	L OUT
25	SPK L
26	SPK R
27	CRIN
28	R2
29	V2
30	L2
31	V1
32	R1
33	L1
34	V OUT
35	5V
36	8V
37	RLLIF
38	GND
39	SIF AGC
40	AGC
41	SIF 2 AV1
42	SIF1
43	IREF
44	VSC
45	VIF2
46	VIF1
47	VA
48	VB
49	EW
50	DECBG
51	SECPLL
52	GND
53	PH1LF
54	PH2LF
55	5V
56	DECDIG
57
58	DECDIG NEG
59	XIL OUT
60	XIL IN
61	SND 3.3V
62	3.3
63	ABN
64	PWR
65	DEG
66	EYE
67	KEY
68	VDD 8V
69	10
70
71	MUTE
72	SAW S/W
73
74
75	VDDP 3.3V
76	SDA
77	SCL
78
79	IR RF
80

TDA9381PS-N2-310877 COLOUR TV CHROMA IC DATA SHEET & PINOUT

TDA9381PS-N2-310877 PIN DESCRIPTION
SAMSUNG MODEL CZ 20E4V CHROMA IC TDA9381PS-N2-310877

TDA9381PS-N2-310877

THE MAIN CHIP INSTRUCTION
The UOC ultimate one chip TDA9381PS-N2-310877 is adopted in this chassis. This IC is the first available component that contains the complete control and small signal functionality needed for a TV application in one device.

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TDA9381PS/N2/3/0660 PIN DESCRIPTION

USE IN SAMSUNG CZ20D8V COLOUR TV CHROMA

TDA9381PS-N2-3-0660

THE MAIN CHIP INSTRUCTION
The UOC ultimate one chip TDA9381PS/N2/3/0660 is adopted in this chassis. This IC is the first available component that contains the complete control and small signal functionality needed for a TV application in one device.

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LG COLOUR TV CHROMA IC TDA 8842 S1 

tda 8842s1

SNDIF                      1  Sound IF input 
AUDIOEXT                 2  External audio input
NC                                3  not connected
NC                                4  not connected
PLLLF                          5  IF-PLL loop filter
IFVO                            6  IF video output
SCL                              7  serial clock input
SDA                             8  serial data input/output
DECBG                       9 bandgap decoupling
CHROMA                   10  chrominance input (S-VHS)
CVBS/Y                      11  external CVBS/Y input
VP1                             12  main supply voltage 1 (+8 V)
CVBSINT                   13  internal CVBS input
GND1                         14  ground 1
AUDIOOUT              15  audio output
SECPLL                     16  SECAM PLL decoupling
CVBSEXT                  17  external CVBS input
BLKIN                        18  black-current input
BO                              19  blue output
GO                              20  green output
RO                              21  red output
BCLIN                       22  beam current limiter input/V-guard input
RI                               23  red input for insertion
GI                               24  green input for insertion
BI                               25  blue input for insertion
RGBIN                      26  RGB insertion input
LUMIN                      27  luminance
LUMOUT                  28  luminance output
BYO                           29  (B-Y) signal output
RYO                           30  (R-Y) signal output
BYI                             31  (B-Y) signal input
RYI                            32  (R-Y) signal input
REFO                        33  subcarrier reference output
XTAL1                      34  3.58 MHz crystal connection
XTAL2                      35  4.43/3.58 MHz crystal connection
DET                           36  loop filter phase detector
VP2                            37  2nd supply voltage 1(+8 V)
CVBS1O                    38  CVBS-1 output
DECDIG                    39  Decoupling digital supply
HOUT                        40  horizontal output
FBISO                        41  flyback input/sandcastle output
PH2LF                       42  phase-2 filter
PH1LF                        43  phase-1 filter
GND2                         44  ground 2
EWD                           45  east-west drive output
VDRB                         46  vertical drive B output
VDRA                        47  vertical drive A output
IFIN1                         48  IF input 1
IFIN2                         49  IF input 2
EHTO                        50  EHT/overvoltage protection input
VSC                           51  vertical sawtooth capacitor
Iref                             52  reference current input
DECAGC                   53  AGC decoupling capacitor
AGCOUT                  54  tuner AGC output
AUDEEM                  55  Audio deemphasis
DECSDEM                56  Decoupling sound demodulator

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TDA9370PS-N3-A-1743 COLOUR TV CHROMA IC DATA SHEET & PINOUTS

TDA9370PS-N3-A-1743  DESCRIPTION

TDA9370PS-N3-A-1743

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TDA9381PS-N2-3I0955 COLOUR TV CHROMA IC DATA SHEET & PINOUT

TDA9381PS/N2/3/0489 PIN DESCRIPTION

TDA9381PS-N2-3I0955

THE MAIN CHIP INSTRUCTION
The UOC ultimate one chip TDA9381PS-N2-3I0955 is adopted in this chassis. This IC is the first available component that contains the complete control and small signal functionality needed for a TV application in one device.

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TDA11105PS/N3/3 PIN DESCRIPTION

1 IFVO
2 VP2
3 VCC AUDIO
4 PLLIF
5GND2
6 DECSDEM
7 FMDEMOUT
8 EHTO
9 AGC
10 IREF
11CSC
12IF IN2
13 IF IN 1
14 VDRA
15 VDRB
16 AVLEW
17 DECBG
18 SECPLL
19 GNG1
20 PHL1FL
21 PHL2FL
22 VP1
23 DECDIG
24 XTALOUT
25 XTALIN
26 IR
27 MUTE
28 TILT
29 KEY
30 BAND2
31 BAND1
32 TUNNING
33 VDDP
34 SCL
35 SDA
36
37 TV/AV
38 STANDBY
39
40 VDD
41GND5
42 VPE
43 VDDA
44 BOUT
45 GOUT
46 ROUT
47 BLKIN
48 BCLIN
49 PB
50 YS/CVBS
51 PR/C3
52 YOUT
53 YSYNC
54 VP3
55 GND 3
56 HOUT
57 FBISO
58 LSR
59 LSL
60 C2/C3/C4
61 AIN3/IN1R
62 CVBSE/Y2
63 A/N2/N1L
64 CVBS4/Y4

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TDA9370PS/N2/AI1399 COLOR TV CHROMA IC DATA SHEET AND PINOUT PDF

TDA9370PS/N2/AI1399  DESCRIPTION

TDA9370PS-N2-AI1399

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TDA9370PS pin voltage tda9370ps/n3/a/1717 pin voltage tda9370ps/n3/a/1930 pin voltage tda9370ps n3 a 1717 pin detail tda9370ps/n3/a/1930 circuit diagram tda9370ps/n3/a/1747 tda9370ps/n3/a/1717 onida tda9370ps/n3/a/1710 datasheet tda9370ps/n3/a/1747 pin details