Pioneer GEX-M7347XMZH/XN/UC, Service Manual

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GEX-M7027XMZH/XN/UC
CONTENTS
SAFETY INFORMATION ......................................................................................................................................................2
1. SPECIFICATIONS .................................................................................................................................................................3
2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................4
2.1 PACKING ........................................................................................................................................................................4
2.2 EXTERIOR ......................................................................................................................................................................6
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM...............................................................................................................8
3.1 BLOCK DIAGRAM..........................................................................................................................................................8
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ..................................................................................................10
3.3 RF UNIT ........................................................................................................................................................................16
3.4 DIGITAL UNIT ..............................................................................................................................................................22
4. PCB CONNECTION DIAGRAM..........................................................................................................................................28
4.1 MAIN UNIT...................................................................................................................................................................28
4.2 RF UNIT ........................................................................................................................................................................32
4.3 DIGITAL UNIT ..............................................................................................................................................................34
5. ELECTRICAL PARTS LIST..................................................................................................................................................36
6. ADJUSTMENT ...................................................................................................................................................................42
6.1 TEST MODE .................................................................................................................................................................42
7. GENERAL INFORMATION.................................................................................................................................................53
7.1 DIAGNOSIS..................................................................................................................................................................53
7.1.1 DISASSEMBLY..........................................................................................................................................................53
7.1.2 CONNECTOR FUNCTION DESCRIPTION................................................................................................................54
7.2 IC...................................................................................................................................................................................55
7.3 EXPLANATION.............................................................................................................................................................59
7.3.1 SYSTEM BLOCK DIAGRAM.....................................................................................................................................59
7.3.2 OPERATIONAL FLOW CHART .................................................................................................................................60
8. OPERATIONS .....................................................................................................................................................................61
1. SPECIFICATIONS
General
Power source ................. 13.2 V DC (10.8 – 15.2 V allowable)
Grounding system ........................................... Negative type
Backup current ................................................... 2 mA or less
Dimensions ........................ 187.5 (W) x 30 (H) x 130 (D) mm
Weight .......................................................................... 0.82 kg
XM tuner
Frequency range ............................. 2,332.50 – 2,345.00 MHz
Usable sensitivity
Satellite .................................................................. – 94.0 dBm
Terrestrial ............................................................... – 92.0 dBm
Audio
Signal-to-noise ratio ........ 78 dB or more (IHF-A, 20kHz LPF)
Separation ............... 58 dB or more (400Hz HPF, 20kHz LPF)
Output Level ......................................... 8.2 dBs ± 2 dB (1kHz)