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SERVICE MANUAL
AUDIO/VIDEO CONTROL RECEIVER
TV/CATV/DBS
VCR
DVD
DVD MUILTI
CD
TAPE/MD
TV/DBS
PHONO
FM/AM
VCR
ANALOG/DIGITAL
SLEEP
SURROUND
CENTER
1
2
3
ON/OFF
MENU
MENU
TEST
REAR-L
SURROUND
MODE
4
5
6
ENTER
ENTER
CD-DISC
EFFECT
REAR-R
7
8
9
/P
SOUND
SEA MODE
SUBWOOFER
10
0
+10
RETURN
FM MODE
100+
AUDIO/
TV/VCR
MENU
CATV/DBS
SET
TEXT
EXIT
DISPLAY
STANDBY
TV VOL
CHANNEL
VOLUME
STANDBY/ON
TV/VIDEO
VCR
TAPE/MD
MUTING
CONTROL
/REW
PLAY
FF/
DOWN
TUNING
UP
REC
STOP
PAUSE
PHONES
COMPULINK
Remote
RM-SRX7001P
REMOTE CONTROL
Contents
Safety precautions --------------------------------------------------------1-2
Disassembly method -----------------------------------------------------1-3
Adjustment method -------------------------------------------------------1-9
Description of major ICs -------------------------------------------------1-10
RX-7001PGD
RX-7001P AUDIO/VIDEO CONTROL RECEIVER
SURROUND ON/OFF
THEATER
LIVE CLUB
DANCE CLUB
HALL
INPUT
DSP MODE
SEA MODE
ANALOG/DIGITAL
FM/AM TUNING
TUNER PRESET
TUNER/SEA MEMORY
FM MODE
SPEAKERS
BALANCE/SURROUND
1
2
ADJUST
SEA ADJUST
SETTING
SOUND SELECT
BASS BOOST ONE TOUCH OPERATION
INPUT ATT.
SOURCE NAME
COPYRIGHT
2000 VICTOR COMPANY OF JAPAN, LTD.
MASTER VOLUME
-
+
DVD
CD
TV SOUND/DBS
PHONO
VCR
TAPE/MD
FM
AM
PAVILION
MULTI JOG
SOURCE SELECTOR
RX-7001PGD
Area Suffix
A
Australia
UF
China
US
Singapore
No.20881
Oct. 2000
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Summary of Contents for JVC RX-7001PGD
- Page 1 RX-7001PGD SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER RX-7001PGD Area Suffix Australia China Singapore TV/CATV/DBS DVD MUILTI TAPE/MD TV/DBS PHONO FM/AM ANALOG/DIGITAL SLEEP SURROUND CENTER ON/OFF MENU MENU TEST REAR-L SURROUND MODE ENTER ENTER CD-DISC EFFECT REAR-R SOUND SEA MODE SUBWOOFER RETURN...
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Page 2: Safety Precautions
RX-7001PGD Safety Precautions 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. -
Page 3: Disassembly Method
RX-7001PGD Disassembly method Top cover Removing the top cover (See Fig.1) Remove the four screws A attaching the top cover on both sides of the body. Remove the three screws B on the back of the body. Remove the top cover from behind in the direction of Fig.1... - Page 4 RX-7001PGD Removing each board connected to the rear side of the main board CN202 (See Fig.5 to 9) Prior to performing the following procedure, remove the top cover and the rear panel. Cut off the tie band fixing the harness.
- Page 5 RX-7001PGD Removing the main board / regulator Relay board 1 CN821 CN704 CN901 board (See Fig.10 to 12) Relay board 2 Prior to performing the following procedure, remove the top cover and the rear panel. Power supply Main board board...
- Page 6 RX-7001PGD Removing the amplifier board CN821 CN704 Relay board 1 CN901 (See Fig.10 and 14) Relay board 2 Prior to performing the following procedure, remove the top cover. Power supply Main board board CN400 Cut off the four tie bands fixing the harnesses.
- Page 7 RX-7001PGD Removing the power supply board (See Fig.18 and 19) Prior to performing the following procedure, remove the top cover and the front panel. Remove the one nut attaching the headphone jack of the power supply board on the front side of the body.
- Page 8 RX-7001PGD Removing the operation switch board (See Fig.22 to 24) Front panel Prior to performing the following procedure, remove the top cover, the front panel assembly and the system control board. Remove the six screws R attaching the operation switch board on the back of the front panel.
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Page 9: Adjustment Method
RX-7001PGD Adjustment method Tuner section 1.Tuner range 87.5MHz~108.0MHz AM(MW) 530kHz~1710kHz Power amplifier section Adjustment of idling current Measurement location TP781 Adjustment part VR787(Lch) , VR788(Rch) Attention This adjustment does not obtain a correct adjustment value immediately after the amplifier is used (state that an internal temperature has risen). -
Page 10: Description Of Major Ics
RX-7001PGD Description of major ICs AK4527 (IC601) : A/D,D/A Converter 1.Pin layout VREFL SDOS RIN+ OCKS RIN- LIN+ BCLK LIN- LRCK ROUT1 SDTI1 LOUT1 SDTI2 ROUT2 SDTI3 LOUT2 SDTO ROUT3 DAUX LOUT3 2.Block diagram Audio LIN+ LIN- RIN+ RIN- LRCK... - Page 11 RX-7001PGD 3. Pin function (1/2) AK4527(1/2) Pin name Function SDTO Source select pin SDOS "L" : Internal ADC output, "H" : DAUX input ORed with serial control register if P/S="L". MCKO Clock frequency select pin OCKS "L" : MCLK, "H" : MCLK/2.
- Page 12 RX-7001PGD 3.Pin function (2/2) AK4527(2/2) Pin Name Function VREFL Negative voltage reference Input pin, AVSS VCOM Common voltage output pin,AVDD/2 Large external capacitor around 2.2uF is used to reduce power-supply noise VREFH Positive voltage reference input pin,AVDD AVDD Analog power supply pin...
- Page 13 RX-7001PGD BA15218F(IC303):OP AMP. OUT1 -IN1 OUT2 +IN1 -IN2 +IN2 BA15218N (IC501, IC510, IC511) : Dual Ope. Amp. OUT1 +IN1 +IN1 GND +IN2 -IN2 OUT2 Vcc BA7625 (IC242,IC201) / BA7626 (IC241): Video selector MONITOR OUT MONITOR OUT CTL A VOUT 1...
- Page 14 RX-7001PGD BU2092(IC402,IC405):LED Controller 1.Terminal Layout DATA CLOCK CONTROL CIRCUIT 2.Pin Function Symbol Function Pin No. Connect to GND DATA Serial Data input CLOCK Shift Clock of Data Latch Clock of Data 5~16 Q0~Q11 Parallel Data Output Latch Data OUTPUT ON OFF...
- Page 15 RX-7001PGD BU4066BCF (IC602,IC611) : Switch 1.Pin Layout 2.Block Diagram W24L011AJ-15(IC641):SDRAM 1.Pin layout 2.Block diagram 3.Pin function Symbol Description A0~A16 Address inputs I/O1~I/O8 Data inputs/outputs Chip select inputs CORE Write enable input DECODER I/O1 I/O8 ARRAY Output enable input I/O2 I/O7...
- Page 16 RX-7001PGD LA1838(IC102): FM AM IF AMP&detector, FM MPX Decoder 1. Block Diagram DECODER RF.AMP ANIT-BIRDIE MUTE BUFF STEREO P-DET AM IF PILOT 384KHz COMP S-METER AM/FM S-CLRVE S-METER IF-BUFF TUNING STEREO DRIVE DRIVE FM IF 2. Pin Function Symbol Function...
- Page 17 RX-7001PGD LC72136N (IC121) : PLL Frequency synthesizer 1. Pin layout FM/AM LPFOUT LPFIN CLOCK FM/ST/VCO FMIN AM/FM AMIN IFCONT SDIN IFIN 2. Block diagram Phase Reference Detector Driver Charge Pump Swallow Counter Swallow Counter 1/16,1/17 4bit 1/16,1/17 4bit Unlock Detector...
- Page 18 RX-7001PGD LC7522 (IC451) : SEA Control 1.Pin layout 2.Block diagram – – 26 IN2 27 IN1 Network Network Resistor Resistor Latch Circuit Control Shift Resistor 12 TEST2 TEST1 3.Pin function Pin No. Symbol Function Power Supply terminal for Audio signal +7V(typ) Power Supply terminal 0V Power Supply terminal for Audio signal.
- Page 19 RX-7001PGD M5243AP12(IC452):S.E.A.Graphic equalizer IN1-2 NF1-2 IN2-2 NF2-2 IN3-2 NF3-2 IN-2 IN-2 OUT-2 VDD Vref. Vref. IN1-1 NF1-1 IN2-1 NF2-1 IN3-1 NF3-1 IN-1 IN-1 OUT-1 GND NJM4580D (IC301, IC302, IC306) : LPF, Mic and H.phone Amp. 1.Terminal layout A OUT A -IN...
- Page 20 RX-7001PGD MN101C15FDE (IC401) : System control micon 1. Pin layout 2. Pin function Functions Functions Symbol Symbol VIDEO3 Ground VIDEO 3 signal terminal VIDEO4 DVD S/C signal select terminal VIDEO 4 signal terminal DVD-S/C VCR1 S/C signal select terminal S.MUTE...
- Page 21 RX-7001PGD MN173222DG(IC400):FL Display & Operation switch control 1.Pin layout 2.Key matrix KEY OUT 2 KEY OUT 0 KEY OUT1 KEY OUT 3 KEY OUT 5 KEY IN 0 SEA ADJUST POWER ANALOG/ FM/AM TUNING ONE TOUCH DIGITAL OPERATION KEY IN 1...
- Page 22 RX-7001PGD MB90088 (IC203) : On screen display controller 1.Terminal layout AVss YOUT VOUT AVcc COUT FSCO VBLK SCLK TEST VOC0 HSYNC VOC1 VSYNC VOC2 EXHSYN EXVSYN 2.Block diagram Serial Input Each Control, Data SCLK Control EXHSYN H/V Separate EXVSYN VOUT...
- Page 23 RX-7001PGD 3.Pin functions (MB90088) Symbol I/O Function Brightness signal Input terminal for Superinpause indication Composite video signal input terminal for Superinpause indication Contrast signal input terminal for Superinpause indication Analog power supply terminal AVcc Color (Brightness) signal output terminal IOUT...
- Page 24 RX-7001PGD NJM2285D (IC202) : Video switch 1.Terminal layout & Block diagram GND 1 IN 2B CTL 2 IN 2A GND 3 IN 3B IN 1A Clamp Type Bias Type Clamp Type IN 1B CTL 1 OUT 1 GND 2 OUT 2...
- Page 25 RX-7001PGD TC9446F-013(IC631):Digital signal processor for dolby digital / DTS audio decode Pin No. Symbol Function Reset signal input terminal (L:reset H:Operation usually) Microcomputer interface mode selection input terminal (L:serial H:IC bus) MIMD Microcomputer interface chip select input terminal MICS Microcomputer interface latch pulse input...
- Page 26 RX-7001PGD TC9459F (IC331,IC332,IC333) : Electronic volume control 2. Block diagram 1.Pin layout L-OUT R-OUT L-OUT R-OUT 50k / L-IN R-IN 91 STEP L-ch L-1N R-IN L-LD1 R-ch R-LD1 L-LD2 R-LD2 Same as L-ch L-LD1 R-LD1 L-A-GND R-A-GND Circuit L-LD2 R-LD2...
- Page 27 RX-7001PGD UPD78F4216AGC(IC671):UNIT CPU 1.Pin layout 2.Pin function Pin No. Symbol Function Non connect Power supply terminal Connecting the crystal oscillator for system main clock Connecting the crystal oscillator for system main clock Connect to GND Connecting the crystal oscillator for system sub clock...
- Page 28 RX-7001PGD VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan No.20881 200010(V)