Power Section

Assembly

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Large toroidal mains transformer feeding a main power board with rectification, bulk filtering, and rail regulation; a small SMPS supplies standby/logic rails.

Direct parts	4
Total parts	136
Used in	1 assembly
Class	Assembly

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Large toroidal mains transformer feeding a main power board with rectification, bulk filtering, and rail regulation; a small SMPS supplies standby/logic rails. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Section parts and their functions

4 top-level parts · 136 parts in total · full bill of materials below

Power Section parts diagram: 1 toroidal transformer, 2 main power board, 3 power supply, 4 wire bundle. 136 parts in 4 top-level items. — Power Section parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Toroidal Transformer	1×	Large toroidal power transformer
2	Main Power Board 5 parts	1×	Rectifier + filter + regulation board
3	Power Supply	1×	Standby/auxiliary SMPS (reuse)
4	Wire Bundle	1×	Transformer secondary harness (reuse)

3D model

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Build & assembly graph

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Bill of materials for Power Section

4 top-level lines · 9 rows shown · 136 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Toroidal Transformer	av-receiver-toroidal-transformer	1×	1	·	part
2	Main Power Board 5 parts	av-receiver-main-power-board	1×	1	133	assembly
2.1	Bare PCB	pcb-bare	1×	1	·	part
2.2	Bridge Rectifier	av-receiver-bridge-rectifier	2×	2	·	part
2.3	Bulk Filter Capacitor	av-receiver-filter-cap	4×	4	·	part
2.4	SMD Passive (R/C/L)	smd-passives	120×	120	·	part
2.5	Connector	connector	6×	6	·	part
3	Power Supply	power-supply	1×	1	·	part
4	Wire Bundle	wire-bundle	1×	1	·	part

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Where the power section is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Audio & Video 1 AV Receiver

Used in 1 assembly

AV Receiver

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks