Panasonic NV-HS870EG Service Manual

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ORDER NO. VRD0108036C2

Video Cassette Recorder

NV-HS870EG/NV-HS870B/NV-HS870EC

Z-MECHANISM

http://servis-manual.com/

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Summary of Contents for Panasonic NV-HS870EG

Page 1 Service Manual TOP NEXT ORDER NO. VRD0108036C2 Video Cassette Recorder NV-HS870EG/NV-HS870B/NV-HS870EC Z-MECHANISM © 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. http://servis-manual.com/...
Page 2 2.1.1 REPLACING IC6002/EEPROM TOP PREVIOUS NEXT When the EEPROM: IC6002 is replaced, applicable model code, option code, tuning channel data and electrical adjustment data will not be available. Therefore, enter and/or adjust the necessary data after replacing IC6002 by referring following procedure.
Page 3 Model No. Model Code Option Code 1 Option Code 2 Option Code 3 NV-HS870EG (B1h) (08h) (F0h) (00h) NV-HS870B (B3h) (28h) (F0h) (00h) NV-HS870EC (B2h) (08h) (F0h) (00h) Fig. S2 Model Code & Option Code NOTE: 1. Tune the TV Broadcasting channels by referring the memo.
Page 4 2.4 SELF-DIAGNOSIS RESULT DISPLAY TOP PREVIOUS NEXT The "SELF-DIAGNOSIS RESULT DISPLAY & MEMORY function is built in this VTR. It means that when the VCR detects undesirable condition, it can be displayed a “Error code (Two numbers from the left)” with Service Mode 2. Since the "Error code"...
Page 5 SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) IC1501 IC1502 Ref. No. MODE STOP PLAY IC2501 Ref. No. MODE STOP 15.5 PLAY 15.5 15.5 15.5 15.5 IC6001 Ref. No. MODE STOP PLAY IC6001 Ref. No. MODE STOP PLAY IC6001 Ref.
Page 6 SYSTEM CONTROL & SERVO TRs DC VOLTAGE CHART (SP MODE) Q1501 Q1502 Q6002 Q6005 Ref. No. MODE STOP PLAY Q6007 Q6008 Q6009 Q6010 Ref. No. MODE STOP -0.1 11.8 PLAY 11.2 11.8 11.8 -0.1 11.8 11.8 11.8 QR6001 QR6002 QR6004 QR6005 QR6006 Ref.
Page 7 T1101-6 STOP T1101-7 STOP T1101-10 STOP T1101-3 STOP T1101-5 STOP 540Vp-p (5usec.div.) 30Vp-p (5usec.div.) 180Vp-p (5usec.div.) 3.8Vp-p (2msec.div.) 500Vp-p (5usec.div.) T1101-11 STOP T1101-13 STOP T1101-16 STOP T1101-17 STOP T1101-12 STOP 22Vp-p (5usec.div.) 50Vp-p (5usec.div.) 94Vp-p (5usec.div.) 23Vp-p (5usec.div.) 22Vp-p (5usec.div.) Q1101-G STOP Q1102-1 STOP Q1101-S STOP...
Page 8 IC3001-68 REC IC3001-84 PLAY IC3001-85 REC IC3001-86 PLAY PP3001-2 PLAY 1.2Vp-p (20usec.div.) 2.8Vp-p (20usec.div.) 3.0Vp-p (20usec.div.) 1.2Vp-p (20usec.div.) 2.8Vp-p (20usec.div.) PP3001-4 REC PP3001-6 REC PP3001-10 REC PP3001-6 PLAY PP3001-8 REC/PLAY 2.0Vp-p (5msec.div.) 0.6Vp-p (20usec.div.) 0.8Vp-p (20usec.div.) 0.6Vp-p (20usec.div.) 5.0Vp-p (20usec.div.) PP3001-12 REC PP3001-17 REC/PLAY PP3001-18 REC/PLAY...
Page 9: Schematic Diagrams
8 SCHEMATIC DIAGRAMS 8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY CAUTION FROM THE SECONDARY CIRCUIT. PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS.
Page 10 2200 C1111 R1203 R1205 0.01 2200 POWER TRANSFORMER NV-HS870EG/B/EC FOLLOWS. POWER TRANSFORMER SECTION IN MAIN NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR N THE VOLTAGE WHEN ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
Page 11 8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO POWER TRANSFORMER SECTION :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION Q1001 QR1002 Q1011 :TO Hi-Fi AUDIO SECTION 2SD602A...
Page 12 (BUFFER) R7653 R7654 150K 150K R7652 100K NV-HS870EG/B/EC POWER SUPPLY/RF NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SECTION IN MAIN SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU SCHEMATIC DIAGRAM DC VOLTAGE ON THIS DIAGRAM IS STOP MODE. ORDER A PART,PLEASE REFER TO PARTS LIST.
Page 13 8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM DP7501 A2BD00000040 :TO POWER TRANSFORMER SECTION :TO POWER SUPPLY/RF SECTION S-VHS :TO SYSTEM CONTROL & SERVO SECTION :TO Hi-Fi AUDIO SECTION Link R7508 HEATER (+) C7501 0.01 HEATER DC (-) D7501 C7502 R7511 R7510 MN4220NM 50V10...
Page 14 S7510 S7516 EVQ11L07B EVQ11L07B EVQ11G07K EVQ11G07K R7519 R7536 R7522 R7523 4300 5600 8200 NV-HS870EG/B/EC TIMER SECTION IN MAIN NOTE:DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLESE REFER TO PARTS LIST. SCHEMATIC DIAGRAM...
Page 15 8.4. SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM :TO POWER TRANSFORMER SECTION CAPSTAN SERVO SPEED LOOP CAPSTAN SERVO PHASE LOOP CYLINDER SERVO SPEE :TO POWER SUPPLY/RF SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION :TO Hi-Fi AUDIO SECTION :TO TIMER SECTION R2507 R2508 C2514...
Page 16 220P R6040 L6005 R6004 C6024 R6002 C6035 R6078 220K 6V47 Q6009 L6002 C6009 C6003 C6005 R6077 C6036 0.56u 2SD601A 470P 0.01 560P (AMP) R6003 C6007 C6006 150P 120P C6008 1000P NV-HS870EG/B/EC SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM...
Page 17 SAVE C6034 220P Q6007 2SD1819A (BUFFER) R6068 R6069 R2520 R2521 R2522 220K 100K QR6004 R1017 R6016 XN1211 (SLEEP :OFF) R2509 C2524 L2501 C2516 C2526 R2518 6V220 L6001 100u C6001 6V47 NV-HS870EG/B/EC SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM...
Page 18 R2517 R2519 SLEEP POWER SAVE PROJECT 50 UNREG 14.5V NV-HS870EG/B/EC SYSTEM CONTROL & SERVO SECTION IN MAIN NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
Page 19 8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRA VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION :TO Hi-Fi AUDIO SECTION N SW 5V PAL EP C4017 QR4005...
Page 20 C3501 C3502 R3501 2200 R3513 C3509 R3503 C3063 1200 R3022 Q3502 Q3501 3900 R3511 R3510 C3507 C3516 2SB709A 2SB709A 1200 390K 6V47 (AMP) (AMP) R3502 1500 THIS DIAGRAM IS PLAYBACK MODE NV-HS870EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM...
Page 21 48PIN CLAMP MESECAM -10dB R4072 100K R4065 FROM -10dB -10dB CLAMP QR4002 3300 MESEC -DET UN2211 (PAL EP :ON) C4016 IC3001 6V100 (1.8) (0.1) (2.6) C1AB00001299 TW3001 C3002 150P R3003 1500 NV-HS870EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM...
Page 22 (SWITCHING) FREQ.ADJ L3003 AV2/AV3 C IN VIDEO/Y IN NORMAL L3015 NV-HS870EG/B/EC LUMINANCE & CHROMINANCE/AUDIO NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SECTION IN MAIN SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
Page 23 8.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MOD :TO LUMINANCE &...
Page 24 TUNER AUDIO (L) L4501 1.2u GND (SYS) GND (LVM) GND (HA2) NV-HS870EG/B/EC NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS Hi-Fi AUDIO SECTION IN CKETS ON THIS DIAGRAM IS PLAYBACK MODE SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU MAIN SCHEMATIC DIAGRAM...
Page 25 8.7. INPUT/ OUTPUT PACK SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNA R3911 R390 L3907 C3945 R3939 C3936 C3937 R3908 R3938 6V330 220K Q3902 2SD601A L3908 R3912 C3914 C3913 R3906 C3912 (AMP)
Page 26 :ON) (AV3 :ON) (PROG :ON) L3904 NV-HS870EG/B/EC TS ON THIS DIAGRAM IS PLAYBACK MODE NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. INPUT/OUTPUT PACK SCHEMATIC DIAGRAM...
Page 27 8.8. DNR PACK SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MOD A-LINE V BLK VR3001 C3302 C3303 R3326 C3301 100KB 0.01 680P 0.01 R3302 PS3301 R3323 110K Y/C C OUT C3304 CNR OFF R3301 CORR SIGNAL TL3304...
Page 28 C3433 0.01 L3318 (2.9) C3430 0.01 C3432 C3427 C3415 C3428 C3429 C3431 16V10 16V10 L3317 B-LINE NT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE NV-HS870EG/B/EC DNR PACK SCHEMATIC DIAGRAM R SIGNAL.(SP MODE)
Page 29 Q3319 2SB1218A 2SB1218A C3396 L3311 (AMP) (INV.) L3310 C3398 C3400 R3376 R3382 Q3316 1200 R3309 2SB1218A (AMP) C3397 R3373 C3395 NOTE:DO NOT ANY PART NUMBER SHOWN ON THIS SCHEM NV-HS870EG/B/EC DNR PACK SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFE...
Page 30 Q3321 Q3319 2SB1218A 2SB1218A (INV.) Q3322 (INV.) Q3323 2SD1819A L3314 2SD1819A (AMP) (AMP) R3393 R3382 R3383 C3413 R3387 R3384 C3414 C3412 R3388 SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-HS870EG/B/EC DNR PACK SCHEMATIC DIAGRAM ER A PART,PLEASE REFER TO PARTS LIST.
Page 31 8.9. OSD/SECAM SCHEMATIC DIAGRAM L7701 100u C7704 C7705 6V100 R7717 100 R7701 100 R7716 100 C7708 C7732 C7707 100P 100P 100P R7714 TL7705 P7701 GND (SYS) SHUTTLE 1 SHUTTLE 2 SHUTTLE 3 SHUTTLE 4 R7760 R7762 JOG A JOG B Q7703 R7712 GND (SYS)
Page 32 R7743 R7744 R7745 C7715 C7729 6V100 R7746 L7703 R7747 100u R7748 7731 C7714 C7730 V220 6V220 NV-HS870EG/B/EC OSD/SECAM SCHEMATIC DIAGRAM NOTE:DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLESE REFER TO PARTS LIST.
Page 33 BA6138 L CH R CH 12.4 R7764 R7767 C7739 16V10 C7737 R7765 C7735 C7736 R7766 C7738 C7740 25V4.7 16V10 16V10 25V4.7 QR7701 XN6116 (AMP) R7773 2200 R7772 2200 C7742 R7769 R7771 C7741 R7768 R7770 16V10 16V10 NV-HS870EG/B/EC OSD/SECAM SCHEMATIC DIAGRAM...
Page 34 AV3 S-VHS IN 3D DNR R4805 R4804 D4801 R4807 LN38GCPPSV NV-HS870EG/B/EC NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR FRONT SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. 8.11. JOG SCHEMATIC DIAGRAM PS6301...
Page 35 8.12. TV DEMODULATOR PACK SCHEMATIC DIAGRAM VIDEO SIGNAL PATH AUDIO SIGNAL PATH R0713 C0724 220P: EG/EC 330P:B R0742 Q0702 2SD601A (AMP) PK0701 DU7601-19 DU7601-20 C0721 R0741 DU7601-21 120P: DU7601-22 SIF/QPSK EG/EC DU7601-23 AFC S-CURVE 82P:B DU7601-24 TUNER VIDEO DU7601-25 TUNER 5V R0743 DU7601-26 IC0701...
Page 36 R0707 C0702 C0703 1000P R0719 C0712 4700 X0704 VLF1493: EG/EC VLF1495: C0710 0.01 L0703 R0725 2.2u:EG/EC 1.8u:B C0715 EG/EC 12P:B C0711 R0715 16V22 NV-HS870EG/B/EC SHOWN ON THIS SCHEMATIC DIAGRAM FOR TV DEMODURATOR PACK SCHEMATIC DIAGRAM PART,PLEASE REFER TO PARTS LIST.
Page 37 8.13. DECODER PACK SCHEMATIC DIAGRAM (NV-HS870EG) PK7301 R7315 C7318 R7316 16V10 6800 TUNER AUDIO (N) R7309 R7314 C7326 TL7302 3300 1500P IC7301 TUNER 5V TDA7873H/V2 C7317 C7316 6V100 R7308 R7307 C7327 C7328 C7310 6800 6800 1500P 1500P 0.01 C7313 C7312...
Page 38 10KB TL7303 R7306 R7305 5600 5600 X7301 C7307 C7304 VSX1086 680P 680P C7306 C7305 0.012 0.012 E ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-HS870EG WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. DECODER PACK SCHEMATIC DIAGRAM...
Page 39 8.14. NICAM DECODER PACK SCHEMATIC DIAGRAM (NV-HS870B/EC) L7302 C7302 6V100 C7316 SIF2 C7315 INPUT SWITCH VREF1 AGC, C7307 R7302 C7311 PK7301 0.01 SIF1 QPSK/SIF TUNER AUDIO (N) IC7302 CRESET PST7043 TUNER 5V (RESET) IDENTIFI- VSSA3 CATION L7301 VDDA3 C7308 C7312 R7305 50V2.2 IIC BUS...
Page 40 AUDIO SIGNAL PATH X7302 VSX0953 C7316 R7327 R7325 8200 NICAM INPUT DEMODULATION NICAM SWITCH AGC, FM/AM DEMODULATION NICAM DEMATRIX VDEC2 DECODER IDENTIFI- VSSD2 CATION 2 CHANNEL LB7301 ANALOG/ DIGITAL LEVEL SATELLITE SELECTOR ADJUST VDDD1 DECODER C7325 IIC BUS VSSD1 INTERFACE VSSA1 POST FILTER C7324...
Page 41 MAIN COIL 2 MAIN COIL 3 HALL IC GND (CYL) MAIN COIL 1 NV-HS870EG/B/EC CYLINDER STATOR UNIT NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. SCHEMATIC DIAGRAM 8.16.
Page 42 R0212 R0213 Q0203 Q0202 Q0201 R0210 D0203 TL0204 TL0202 TL0203 TL0201 L0201 C0208 R0204 C0210 C0209 OUT2 CAPSTAN MOTOR DRIVER MAIN COIL OUT1 TL0205 DRIVER CONTROL LOGIC NV-HS870EG/B/EC CAPSTAN UNIT SCHEMATIC DIAGRAM...
Page 43 http://servis-manual.com/...
Page 44 11.1 CHASSIS PARTS SECTION PARTS LIST TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks VEG1574 CYLINDER UNIT [SUPPLIED FROM MBV] VXP2113 UPPER CYLINDER UNIT [SUPPLIED FROM MBV] VDB1256 CYLINDER RETAINER VEM0715 CYLINDER MOTOR UNIT VXS0135 EARTH BRUSH VMD3795 FLAT CABLE HOLDER VEK9069...
Page 45 VXL2672 SUPPLY LOADING ARM UNIT VXL2785 PINCH ARM UNIT VXL2996 P5 ARM UNIT VXL2792 IDLER ARM UNIT VXL2733 SUPPLY BRAKE ARM UNIT VXL2747 LOADING RACK UNIT VXP2053 CENTRE CLUTCH UNIT VXL2783 REV ARM UNIT VML3276 IDLER POSITIONING ARM VDP1668-K CLEANER ROLLER VML3164 CLEANER ARM VXS0244...
Page 46 11.2 CASING PARTS SECTION PARTS LIST TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks VGM1733 TOP PANEL VYP8162 FRONT PANEL UNIT [SUPPLIED FROM MBV]NV-HS870EG-S VYP8165 FRONT PANEL UNIT [SUPPLIED FROM MBV]NV-HS870B-S VYP8164 FRONT PANEL UNIT [SUPPLIED FROM MBV]NV-HS870EC-S RKA0072-K FOOT RKA0072-K...

This manual is also suitable for:

Nv-hs870b Nv-hs870ec