Table Of Contents - JVC HR-S5950EU Service Manual

Section
Important Safety Precautions
INSTRUCTIONS
1. DISASSEMBLY
1.1 Manually removing the cassette tape ......................... 1-1
1.2 Removing the major parts ........................................... 1-2
1.2.1 How to read the procedure table ........................... 1-2
1.2.2 Disassembly procedure ........................................ 1-2
1.3 Emergency display function ........................................ 1-4
1.3.1 Displaying the EMG information ........................... 1-4
1.3.2 Clearing the EMG history ...................................... 1-4
1.3.3 Details of the OSD display in the EMG display mode ... 1-5
1.3.4 EMG content description ....................................... 1-6
1.3.5 EMG detail information<1> ................................... 1-7
1.3.6 EMG detail information<2> ................................... 1-8
1.3.7 EMG detail information<3> ................................... 1-8
1.4 Service position ........................................................... 1-9
1.4.1 How to set the "Service position" .......................... 1-9
1.5 Jig RCU mode ............................................................. 1-9
1.5.1 Setting the Jig RCU mode .................................... 1-9
1.5.2 Setting the User RCU mode ................................. 1-9
1.6 Mechanism service mode ........................................... 1-9
1.6.1 How to set the "Mechanism service mode" ........... 1-9
1.6.2 How to exit from the "Mechanism service mode" .. 1-9
1.7 Maintenance and inspection ..................................... 1-10
1.7.1 Cleaning .............................................................. 1-10
1.7.2 Lubrication .......................................................... 1-10
1.7.3 Suggested servicing schedule for main components .. 1-10
2. MECHANISM
1. Before disassembling/assembling ................................ 2-1
1.1 Notes ........................................................................ 2-1
1.2 Mechanism operation check .................................... 2-1
1.3 Setting the mechanism assembling mode ............... 2-1
1.4 Layout of the main mechanism parts ....................... 2-2
1.5 Disassembling procedure table ................................ 2-3
2. Replacement of the main mechanism parts .................. 2-4
2.1 Cassette holder ........................................................ 2-4
2.2 A/C head .................................................................. 2-5
2.3 Guide arm, pinch roller arm ..................................... 2-6
2.4 Idler arm, idler gear 1/2 ............................................ 2-6
2.5 Main brake(T), brake lever, tension arm,reel disk(S/T), Rec safety lever .. 2-6
2.6 Press lever, control cam, capstan brake assembly,loading motor assembly .. 2-7
2.7 Capstan motor, load gear, control plate ................... 2-8
2.8 Clutch unit assembly, direct gear ............................. 2-9
3. Mechanism timing chart .............................................. 2-10
3. ADJUSTMENT
3.1 Before adjustment ....................................................... 3-1
3.1.1 Precaution .............................................................. 3-1
3.1.2 Required test equipments ..................................... 3-1
3.1.3 Required adjustment tools .................................... 3-1
3.1.4 Color(colour) bar signal, color(colour) bar pattern 3-1
3.1.5 Switch settings ...................................................... 3-1
3.1.6 Manual tracking mode (Auto tracking ON/OFF) setting 3-1
3.1.7 EVR adjustment ..................................................... 3-2
The following table lists the differing points between models HR-S5950EU, HR-S5955EK and HR-S5955MS.
MODEL
ITEM
POWER PLUG
FRONT AV CAP
SCART CABLE
MESECAM USED(MANUAL)
SECAM
DECODER(L-2)
BROADCASTING STANDARD
RF OUT
VPS
OSD LANGUAGE 13 LANGUAGES
Notes: Mark is same as left.

TABLE OF CONTENTS

Title
HR-S5950EU HR-S5955EK
CEE 3PIN
NOT USED USED
OPTIONAL
NOT USED
NOT USED
USED NOT USED
B/G, D/K I
USED
USED NOT USED
ENGLISH
Page Section
3.2 Mechanism compatibility adjustment .......................... 3-2
3.2.1 Tension pole position ............................................. 3-2
3.2.2 FM waveform linearity ........................................... 3-3
3.2.3 Height and tilt of the A/C head .............................. 3-3
3.2.4 A/C head phase(X-value) ...................................... 3-4
3.3 Electrical Adjustment ................................................... 3-4
3.3.1 Servo circuit .......................................................... 3-4
3.3.1.1 Switching point ................................................. 3-4
3.3.1.2 Slow tracking preset ......................................... 3-5
3.3.2 Video circuit ............................................................ 3-5
3.3.2.1 EE Y/PB Y (S-VHS/VHS) level .......................... 3-5
3.3.3 Audio circuit ............................................................ 3-5
3.3.3.1 Audio REC FM .................................................. 3-5
3.3.4 Syscon circuit [EU MODEL] .................................. 3-6
3.3.4.1 Timer clock ....................................................... 3-6
3.3.5 PAL/SECAM converter circuit [MS MODEL] .......... 3-6
3.3.5.1 Colour difference level ...................................... 3-6
3.3.5.2 SECAM burst position ....................................... 3-6
4. CHARTS AND DIAGRAMS
4.1 BOARD INTERCONNECTIONS ................................. 4-3
4.2 MAIN(VIDEO/N.AUDIO) SCHEMATIC DIAGRAM ...... 4-5
4.3 MAIN(FMA) SCHEMATIC DIAGRAM .......................... 4-7
4.4 MAIN(SYSCON) SCHEMATIC DIAGRAM ................... 4-9
4.5 MAIN(VPS/PDC SLICER) SCHEMATIC DIAGRAM .. 4-12
4.6 MAIN(SW REG) SCHEMATIC DIAGRAM ................. 4-13
4.7 MAIN(TUNER) SCHEMATIC DIAGRAM .................... 4-15
4.8 MAIN(FRONT) SCHEMATIC DIAGRAM .................... 4-17
4.9 MAIN(TERMINAL) SCHEMATIC DIAGRAM .............. 4-19
4.10 S-SUB SCHEMATIC DIAGRAM .............................. 4-21
4.11 S-P CONVERTER SCHEMATIC DIAGRAM [MS MODEL]..... 4-23
4.12 MAIN(SECAM) SCHEMATIC DIAGRAM [MS MODEL] .... 4-25
4.13 CPU PIN FUNCTION ............................................... 4-26
4.14 MAIN CIRCUIT BOARD ........................................... 4-27
4.15 S-SUB CIRCUIT BOARD ......................................... 4-30
4.16 S-P CONVERTER CIRCUIT BOARD ...................... 4-31
4.17 VOLTAGE CHARTS ................................................. 4-32
4.18 WAVEFORMS .......................................................... 4-33
4.19 REMOTE CONTROLLER SCHEMATIC DIAGRAM .. 4-34
4.20 FDP GRID ASSIGNMENT AND ANODE CONNECTION .. 4-34
4.21 SYSTEM CONTROL BLOCK DIAGRAM ................. 4-35
4.22 VIDEO BLOCK DIAGRAM ....................................... 4-37
4.23 AUDIO BLOCK DIAGRAM ....................................... 4-41
5. PARTS LIST
5.1 PACKING AND ACCESSORY ASSEMBLY<M1> ....... 5-1
5.2 FINAL ASSEMBLY<M2> ............................................. 5-2
5.3 MECHANISM ASSEMBLY<M4> ................................. 5-4
5.4 ELECTRICAL PARTS LIST ......................................... 5-6
MAIN BOARD ASSEMBLY<03> ..................................... 5-6
A/C HEAD BOARD ASSEMBLY<12> ........................... 5-14
S-SUB BOARD ASSEMBLY<15> ................................. 5-14
LOADING MOTOR BOARD ASSEMBLY<55> ............... 5-15
S/P CONVERTER BOARD ASSEMBLY<87> [HR-S5955MS] .... 5-15
HR-J5955MS
CEE
NOT USED
PROVIDED
USED(PB ONLY)
USED
USED
L/L', B/G
NOT USED
NOT USED
FRENCH
Title Page