Sanyo NV-E7500 Service Manual
Sanyo NV-E7500 - Navigation System With DVD Player Manual
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- Sanyo NV-E7500 | Service Manual - Page 1
SERVICE MANUAL Portable DVD Navigation System FILE NO. NV-E7500 (U.S.A.) INDEX PRODUCT CODE No. 949 005 05 SPECIFICATIONS 1 CHARACTERISTICS 2 ACCESSORIES 2 COMPONENT NAMES AND FUNCTIONS 3 DISASSEMBLY 8 ADJUSTMENT PROCEDURES 11 EXPLANATION OF MICROCOMPUTER 14 TROUBLE SHOOTING 22 - Sanyo NV-E7500 | Service Manual - Page 2
SPECIFICATIONS 12 _1_ - Sanyo NV-E7500 | Service Manual - Page 3
TOUCH SCREEN The unit shows you the way just by selecting a destination point. Search for your destination by entering the address or telephone number. Displays the recommended route all the way to your destination. Vocally guides you in an accurate and easy to understand way.(Voice guide - Sanyo NV-E7500 | Service Manual - Page 4
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removed. How to remove the PCB-ML,LCD. [Refer to figure 4] 1. Remove the FFC,14P from the PCB-W,KEY. 2. Remove the FFC,8P from the touch screen. 3. Remove the FPC,32P from the LCD. 4. Remove the 8 screws E which fasten the BRACKET,LCD and BRACKET-E,LCD. 5. Remove the solder of LEAD WIRE which - Sanyo NV-E7500 | Service Manual - Page 10
DISASSEMBLY B PCB-ML,MAIN B LEAD,WIRE SOLDER B FFC,50P Figure2 FFC,34P LEAD,WIRE FAN,MOTOR,DC C DVD MECHANISM, C MDVC07 2 LEAD WIRES PLACED ON FAN, MOTOR,DC SIDE D FFC,50P D LEAD,WIRE D LEAD,WIRE Figure3 PCB-ML,DVD _9_ - Sanyo NV-E7500 | Service Manual - Page 11
DISASSEMBLY E BRACKET-E,LCD BRACKET,LCD SOCKET E BRACKET-E,LCD PCB-ML,LCD FFC,8P FFC,14P E Figure4 E SOLDER FPC,32P BRACKET,LCD PCB-W,DIMMER 1 PCB-W,KEY G F H PCB-W,DIMMER G SPEAKER BR R O GN Y BL BK R SPEAKER H R BK SHEET Figure5 SHEET SOLDER _ 10 _ - Sanyo NV-E7500 | Service Manual - Page 12
wave form observation into CN1007. IN NAVI MODE,display the present location. Go to TEST MODE and adjust in order of the following because NAVI screen become monochrome 10 step signal. GAMMA Adjustment Adjust "GAMMA 0" to make the fifth from black become +2.0V±0.1V(DC). Adjust "GAMMA 2" to make the - Sanyo NV-E7500 | Service Manual - Page 13
BLACK-WHITE VOLTAGE VBB BLACK-BLACK VOLTAGE FIGURE 1 Adjustment shall be done with the combination of a paired LCD module. Display a map screen in the NAVI MODE. Be within TEST MODE,and adjust it. FLICKER adjustment Adjustment bar is made "FLICKER". Give a shock to the set - Sanyo NV-E7500 | Service Manual - Page 14
become 15.73kHz±0.01kHz. Go to TEST MODE. Any mode can be adjusted. TOUCH SCREEN Adjustment Press the "touch" button on the bottom right of the screen,and display the TOUCH SCREEN adjustment screen. adjust TOUCH SCREEN adjustment jig in accordance with the indication of the - Sanyo NV-E7500 | Service Manual - Page 15
) NC Chip select output Chip select output NC RF AMP prescaler +5V GND System clock output CPU hard ware standby terminal +5V CPU hard reset +5V 0V processor interrupt input Serial data trans terminal for debug Serial data receive terminal for debug NC ENCODER pulse input Analog +5V power down - Sanyo NV-E7500 | Service Manual - Page 16
signal I2C BUS communication I2C BUS communication RS232C output Power supply 4.2V-5.5V GND GND FRASH writing TOUCH SCREEN control SH communication SH communication TOUCH SCREEN control TOUCH SCREEN control TV MODE output VIDEO MODE output NAVI MODE output DVD MODE output FRASH writing GND FRASH - Sanyo NV-E7500 | Service Manual - Page 17
DATA LCD I/F TIP SELECT LCD MODE output LCD MODE output OSD expression output GND GND BACKLIGHT control Power supply 4.2V-5.5V TOUCH SCREEN input TOUCH SCREEN input Input of power supply confirmation Input of temperature detection Input of voltage detection Dimmer sensor input GND Analog GND Revision - Sanyo NV-E7500 | Service Manual - Page 18
EXPLANATION OF MICROCOMPUTER IC 20 (HD6417706) Pin Signal 1 LLVcc 2 XTAL2 3 EXTAL2 4 GND 5 SD31 10 SD26 11 GND 12 SD25 13 LVcc 14 SD24 18 SD20 19 GND 20 SD19 21 LLVcc 22 SD18 23 SD17 24 SD16 25 GND 26 SD15 27 LVcc 28 SD14 36 SD6 37 GND 38 SD5 39 - Sanyo NV-E7500 | Service Manual - Page 19
Pull-up 136 PTE[7] I ADPCM SW 137 GND GND 138 CKIO O System clock input/output(39.3216MHz) 139 LVcc POWER +3.3V 140 TxD0 O O SC port 144 SCPT[4] I/O NC 145 RxD0 I SCI receive data0 146 RxD2 I SCI receive data2 147 IRQ5 I External interrupt request(MAIN) 148 GND GND - Sanyo NV-E7500 | Service Manual - Page 20
EXPLANATION OF MICROCOMPUTER IC 20 (HD6417706) 3/3 Pin Signal I/O 151 IRQ0 I External interrupt request(Q2) 152 IRQ1 I External interrupt request(ATAPI) 153 IRQ2 I External interrupt request(FM) 154 IRQ3 I External interrupt request(BEACON) 155 IRQ4 I External interrupt - Sanyo NV-E7500 | Service Manual - Page 21
-ASIC I NC 35 ASIC-BEACON O NC 36 GYRO-ASIC I GYRO data received 37 ASIC-GYRO O GYRO data transmission 38 MAIN-ASIC I SH communication 39 ASIC switch 57 GND GND 58 /RST_3 I Power on reset 59 CKIO I System clock input(39.3216MHz) 60 GND GND 61 LVcc POWER +3.3V 62 /FCS - Sanyo NV-E7500 | Service Manual - Page 22
EXPLANATION OF MICROCOMPUTER IC 30 (LC24072B) 1/2 Pin Signal I/O 66 /DACK1 O DMA acknowledge 67 /DACK0 O DMA acknowledge 68 /WAIT O Wait output 69 /CS6 70 /CS5 71 /CS4 I Chip select input 72 /CS0 73 GND GND 74 /WE1 I Write strobe 75 /WE0 I Write strobe 76 /RD I - Sanyo NV-E7500 | Service Manual - Page 23
TROUBLE SHOOTING Is this DC +9.0V connected to the power supply socket(JK6)? YES Is the power supply swich(SW1)turned ON? YES Confirm +5V - Sanyo NV-E7500 | Service Manual - Page 24
TROUBLE SHOOTING NAVI Confirm the signal at pin 1,9,14 of IC8 and pin 5 of IC11. NO NAVI BLOCK DVD Confirm the signal at pin 8, - Sanyo NV-E7500 | Service Manual - Page 25
TROUBLE SHOOTING VIDEO Confirm the signal at pin 2,15 of IC13. NO Confirm the signal at pin 2,6 of IC17. NO Then check around IC18 - Sanyo NV-E7500 | Service Manual - Page 26
TROUBLE SHOOTING (DVD - ROM MECHANISM) Does disc rotate? Yes No Is laser luminescence No performed? Yes Check RF AMP IC(IC1101) Check DSP IC(IC1201) Check - Sanyo NV-E7500 | Service Manual - Page 27
- Sanyo NV-E7500 | Service Manual - Page 28
for tuner, pin 10 is power supply fro antenna, and pin 7 is power supply for backup. Pin 4 receives data from NAVI microcomputer, and data is transmitted to NAVI microcomputer from pin 3. From GPS tuner, position/time data is outputted for every seconds, and it is inputted into pin 145 of NAVI - Sanyo NV-E7500 | Service Manual - Page 29
EXPLANATION OF CIRCUIT c. Audio part There are 3 kinds of audio outputted by this set, NAVI GUIDANCE, DVD AUDIO, and VIDEO IN AUDIO. NAVI GUIDANCE outputted from NAVI BLOCK is directly inputted to SW IC13 . The audio outputted from DVD BLOCK is outputted to IC13 via GRAND ISOLATOR IC15 . VIDEO IN - Sanyo NV-E7500 | Service Manual - Page 30
EXPLANATION OF CIRCUIT 1. RF AMP PART(IC1101) For the signal read by PICK UP, AMP is performed, and equalizing of playback RF signal and error signal required for each SERVO are generated. 2. DSP PART(IC1201) Digital signal processing of the signal from RF AMP is performed, and control signals of - Sanyo NV-E7500 | Service Manual - Page 31
M E M O _ 30 _ - Sanyo NV-E7500 | Service Manual - Page 32
EXPLODED VIEW(DVD-ROM MECHANISM) # & $ $ ) # $ & ' ) % ' ( ( % 1$# Note: The form of this diagram may differ from the actual thing. _ 31 _ 3"6" .%7$ - Sanyo NV-E7500 | Service Manual - Page 33
(DVD-ROM MECHANISM) Ref. No. PART No. DESCRIPTION Q'ty Ref. No. PART No. DESCRIPTION Q'ty DVD-ROM MECHANISM 661 035 1884 ASSY,CHASSIS,DVD, NO SERVICE PART 40 661 080 0214 MOTOR ASSY,FEED 41 661 030 2503 BASE 42 632 889 9166 PLATE,BOTTOM 43 412 056 0208 SPECIAL SCREW - Sanyo NV-E7500 | Service Manual - Page 34
Note: The form of this diagram may differ from the actual thing. 32 25 1 5 12 27 27 28 44 28 45 28 50 14 30 NV-E7 - Sanyo NV-E7500 | Service Manual - Page 35
NOTICE NOTICE POLY COVER,230X300 INSTRUCTION MANUAL NOTICE AC ADAPTOR,AC/DC ADAPTER CORE CORE(LARGE) DC-DC DC-DC CONVERTER ASSY 12V CIGARETTE LIGHTER CONNECTOR CABLE FUSE 250V 8A DC-DC CONVERTER ANTENNA,GPS GPS EXTERIOR ANTENNA AND INSTALLATION PARTS ANTENNA,GPS GPS EXTERIOR ANTENNA AND INSTALLATION - Sanyo NV-E7500 | Service Manual - Page 36
1 55 661 034 9447 WIRE,50P-64MM, MAIN-DVD 1 GPS1 661 052 1980 GPS RECEIVING UNIT 1 56 661 043 4488 WIRE,50P-94MM, MAIN-LCD 1 IC1 410 545 -KEY 1 IC4 410 563 4108 IC S-80942CLNB-G7C-T2G 1 59 661 052 0921 TOUCH PANEL 1 IC5 410 552 7905 IC M35075-052FP W4 1 60 661 035 1372 CORE - Sanyo NV-E7500 | Service Manual - Page 37
.7456MHZ RESONATOR,XTAL,32.720MHZ RESONATOR,XTAL,7.15909MHZ SHIELD, JACK SPACER SPACER CUSHION,LCD CUSHION,RING SHIELD SHEET SHIELD SHEET SHIELD SHEET SPECIAL SCREW, GPS SHEET LCD P.C.B. ASSEMBLY 64 BR1004 BR1005 CN1001 CN1004 CN1005 CN1005 OR CN1007 661 073 8777 661 064 8700 661 064 9844 661 050 - Sanyo NV-E7500 | Service Manual - Page 38
PARTS LIST(CONTINUED) Ref. No. PART No. DESCRIPTION Q'ty Ref. No. PART No. DESCRIPTION Q'ty BR2012 661 064 9691 RESISTOR BLOCK,33X4 1 L2006 632 883 2132 INDUCTOR,FERRITE 1 BR2013 661 064 9691 RESISTOR BLOCK,33X4 1 L2008 632 883 2132 INDUCTOR,FERRITE 1 BR2022 661 064 9691 - Sanyo NV-E7500 | Service Manual - Page 39
- Sanyo NV-E7500 | Service Manual - Page 40
large/small ferrite core and make one turn. 2 Turn the power supply ON for the video deck/video camera "VIDEO" will be displayed on the screen for roughly 15 seconds. mode. button to return the unit to the VIDEO 3 Start playback on the video deck/video camera. method. Hint When connecting
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FILE NO.
NV-E7500
(
U.S.A.
)
SERVICE MANUAL
Portable DVD Navigation
System
PRODUCT CODE No.
949 005 05
REFERENCE
No. SM590500
INDEX
SPECIFICATIONS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
CHARACTERISTICS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
ACCESSORIES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
COMPONENT NAMES AND FUNCTIONS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
ADJUSTMENT PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
EXPLANATION OF MICROCOMPUTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14
TROUBLE SHOOTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
EXPLANATION OF OPERATION(DVD-ROM MECHANISM)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
EXPLANATION OF CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27
EXPLODED VIEW(DVD-ROM MECHANISM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
PARTS LIST(DVD-ROM MECHANISM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
EXPLODED VIEW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34
ABOUT UPGRADES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38
CONNECTING A VIDEO DECK/VIDEO CAMERA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
39
BLOCK DIAGRAM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43
REGARDING CLEANING THE PICKUP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106