Pioneer MUH-GA35VB, MUH-GA25VB, MUH-GA20VB service manual Models Wiring Diagram

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WIRING DIAGRAM

MUH-GA20VB - E1

OUTDOOR UNIT

MUH-GA25VB - E1 MUH-GA35VB - E1

MODELS WIRING DIAGRAM

 

 

 

 

 

RT61

21S4

 

 

 

 

 

 

 

TB2

 

 

 

 

 

 

 

 

 

INDOORTO UNIT CONNECTING 12V

 

RED

123

 

 

 

 

 

 

 

 

N

 

CN730

SR62

 

1

 

WHT

 

 

 

3

 

 

 

CN661

CN721

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

CN711

 

 

 

 

 

CIRCUIT

 

 

 

 

 

 

2

 

BLK

MF

 

 

 

DSAR

 

 

 

 

 

RED

 

SUPPLY 50Hz

BREAKER

 

F61

 

NR61

SR61

C653

 

 

TB1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

T61

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

POWER 230V~/N

N

PE

 

 

52C

 

 

WHT

 

 

BRN

TAB20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN/YLW

 

 

4

3

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

RED

S

MC

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

SYMBOL

NAME

 

SYMBOL

 

NAME

 

SYMBOL

 

 

 

NAME

C1

COMPRESSOR CAPACITOR

MF

OUTDOOR FAN MOTOR

T61

TRANS FORMER

C65

OUTDOOR FAN CAPACITOR

(INNER FUSE)

TB1,TB2

TERMINAL BLOCK

 

 

 

 

 

 

 

DSAR

SURGE ABSORBER

NR61

VARISTOR

21S4

R.V. COIL

 

 

 

 

 

 

F61

FUSE(2A)

RT61

DEFROST THERMISTOR

52C

COMPRESSOR CONTACTOR

 

 

 

 

MC

COMPRESSOR(INNER PROTECTOR) SR61,SR62 SOLID STATE RELAY

 

 

NOTE:1. About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing.

2.Use copper conductors only. (For field wiring)

3.Symbols below indicate.

/: Terminal block, : Connector

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Contents MUH-GA20VB E1 MUH-GA25VB E1 MUH-GA35VB E1 ContentsMUH-A07YV- E1 MUH-GA20VB- E1 Technical ChangesMUH-A09YV- E1 MUH-GA25VB- E1 MUH-A12YV- E1 MUH-GA35VB- E1Information for the AIR Conditioner with R410A Refrigerant Refrigerant piping Refrigeration oil Part Names and Functions SpecificationMUH-GA20VB Noise Criteria CurvesMUH-GA25VB MUH-GA35VBMUH-GA20VB E1 Outdoor Unit MUH-GA25VB E1 MUH-GA35VB E1 Outlines and DimensionsModels Wiring Diagram Wiring DiagramUnitmm Refrigerant System DiagramPerformance Curves MAX. Refrigerant Piping LengthMAX. Height Difference Capacity and the Input Curves Indoor Unit Outdoor UnitMUH-GA20VB E1 Heat operation MUH-GA20VB E1 MSC-GA20VB E1701 744 758 729 765 787 801 815 822 840 851 869 MUH-GA25VB E1 MSC-GA25VB E1Outdoor MUH-GA35VB E1 MSC-GA35VB E11068 1134 1155 1112 1166 1199 1221 1243 1254 1281 1297 1324 Performance Data Heat operation Troubleshooting Service FunctionsInstruction of troubleshooting Check of outdoor unit Check of R.V. coil How to check mis-wiring and serial signal error Check of outdoor thermistor Outdoor deicer P.C. board Terminal with locking mechanism Detaching points Disassembly InstructionsRemoving the deicer P.C. board Photo Operating Procedure PhotosPhotos Outdoor Unit Structural Parts Parts ListOutdoor FAN Motor Page Page New publication, effective Feb

MUH-GA20VB, MUH-GA25VB, MUH-GA35VB specifications

The Pioneer MUH-GA25VB, MUH-GA35VB, and MUH-GA20VB are a trio of advanced multimedia head units designed to enhance the in-car experience with a blend of cutting-edge technology and user-friendly features. Each model offers a unique set of functionalities tailored to meet varying needs and preferences, while maintaining high standards in audio performance and connectivity.

The MUH-GA25VB serves as a versatile entry point into Pioneer’s lineup. It features a sleek 6.2-inch touchscreen display that provides intuitive controls and easy access to music and navigation. With Bluetooth connectivity, users can enjoy hands-free calling and wireless audio streaming, enhancing safety and convenience on the road. The built-in FM/AM tuner and compatibility with USB and AUX sources allow for diverse listening options. Moreover, the MUH-GA25VB supports various audio formats, ensuring playback flexibility.

Stepping up, the MUH-GA35VB incorporates enhanced sound tuning features, including a 13-band graphic equalizer that allows users to tailor audio output to their liking. The larger 7-inch touchscreen provides an immersive interface, making navigation through multimedia content seamless. This model also supports Apple CarPlay and Android Auto, enabling users to integrate their smartphones for a more connected experience. The voice control feature allows for hands-free operation of navigation and music, making it an ideal choice for tech-savvy drivers.

At the top of the range, the MUH-GA20VB boasts superior connectivity and sound quality. It is equipped with a high-resolution audio playback capability, supporting formats up to 192 kHz/24-bit for audiophiles seeking the best sound fidelity. With dual USB ports, users can connect multiple devices simultaneously, allowing for easier management of music and charging. The hardware enhancements include high-performance DACs that result in clearer and more detailed audio reproduction. Furthermore, this model features a customizable interface, enabling users to tailor the look of the head unit to match their vehicle’s interior.

Collectively, the Pioneer MUH series – MUH-GA25VB, MUH-GA35VB, and MUH-GA20VB – presents a compelling case for anyone looking to upgrade their vehicle’s audio and multimedia capabilities. They combine sophisticated technology with user-centric designs, ensuring a remarkable in-car experience that caters to a diverse range of audiophiles and tech enthusiasts alike. Whether you prioritize straightforward functionality or advanced features, there is a model in this lineup to suit every taste and requirement.