Main(Secam) Schematic Diagram [Ms Model]; Cpu Pin Function - JVC HR-S5950EU Service Manual

4.12 MAIN (SECAM) SCHEMATIC DIAGRAM [MS MODEL]
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
5
0 3 MAIN
(SECAM)
R305
47k
B301
R301 R302 C305 C323
OPEN
27k 120k 0.01 47 /6.3
2SA1576A/QR/
2SB1218A/QR/
Q312
OPEN
R304
C301
6.8k
R321 150p
OPEN
Q311
OPEN
R303
27k
L302
6.8µ
4
C307
150p
VCC
SECAM PHASE
4.3MHZ
DET
SYNC GAIE DET OSC
IC301 R
GEN./V-SEP P
LA7358 FROM LIM F0
TO MUTE
ADJ.
2.2M
X2
Q302 AFC LOGIC BPF
DTA144WUA
UN511E
F0
RN2309 LIMITER
4.43MHZ ADJ.
PDTA144WU
VCO HOLD
R
P
FILT. FILT. 1.1MHZ
TO
ADJ OSC
REC MUTE DET SENSE
MODE B BGP
CTL GEN CONTROL
TO
GND
PB MUTE
R316
220k
R328
OPEN
R315
3
560k
R314 R312
24k 2.7k
±0.5% R329 C317 L303 R311
0 680p 27µ 3.9k
R327
OPEN
C321
R326 300p C320 R313 C319 C318
OPEN ±2% 0.01 22k 1 /50 0.022
C322
0.47
2
1
A
L301
10µ
Q301
TO
2PA1576/R/
VIDEO/N.AUDIO
C308
0.01 C.SYNC
SECAM_DET
C311
R306 C309 0.01
EE[L]
27k 0.1
SW5V
R308
2.2k R307
SECAM_PB_COLOR
2.2k
V_TO_OSD
GND
C310
0.01
SECAM_REC_COLOR
PB_FM
Fsc
R
B
IREF R/P
SECAM[H]
PB P
MUTE
4.3MHZ SYNC
BPF GATE
R
LIM
4.3M
X2
BPF
P
R
SYNC
1.1M 1/4
GATE
BPF
P
PB
MUTE
IREF REG AGC AGC
B 4.2V AMP DET
R309
820Ω
C312
0.001
R310 C315 C314 C313
22k 10 /50 470p 0.47 /50
C316
0.01
B C
4.13

CPU PIN FUNCTION

<SYSCON IC3001>
PIN NO. LABEL IN/OUT
1
SVSS - GND
CTLREF - CTL REFERENCE VOLTAGE
2
3 CTL(+) IN/OUT CTL(+) SIGNAL
4
CTL(-) IN/OUT CTL(-) SIGNAL
CTLBIAS - CTL BIAS VOLTAGE
5
6 CTLAMPOUT OUT CTL PULSE OUTPUT
7 CTLFB IN CTL PULSE FEEDBACK
CTLSMTIN IN CTL PULSE INPUT
8
9 CFG IN CAPST
10 SVCC - SYSTEM POWER
11
AFCPC OUT AFC CLOCK (SYNC SEPARATOR FOR OSD / EXTERNAL CIRCUIT FOR AFC)
12 AFCOSC OUT AFC CLOCK (SYNC SEPARATOR FOR OSD / EXTERNAL CIRCUIT FOR AFC)
13 AFCLPF IN FILTER OUTPUT FOR HORIZONTAL SYNCHRONIZING OF OSD CHARACTER
14 CSYNC/HSYNC IN COMPOSITE SYNC/HORIZONTAL SYNC
15 VLPF/VSYNC - NC
16 CVIN1 IN COMPOSITE VIDEO SIGNAL INPUT(1)
17 CVIN2 IN COMPOSITE VIDEO SIGNAL INPUT(2)
18 OVCC - SYSTEM POWER
19 CVOUT OUT COMPOSITE VIDEO SIGNAL OUTPUT
20
OVSS - GND
21 FSCOUT OUT FSC OUTPUT FOR OSD
22 FSCIN IN FSC INPUT FOR OSD
23 AVSS - GND FOR
24 AFC IN TUNING CLOCK
CHANGES IN ATS+IC OUTPUT AS CAUSED BY CHANGES IN RECEIVER SENSITIVITY
25 RF AGC IN
WHEN THE SAME CHANNEL IS RECEIVED MORE THAN ONCE ARE INPUT.
26 VIDEO_ENV IN AUTO TRACKING DETECT/INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
27 SCR(H) IN SCRAMBLE CONTROL INPUT (SCRAMBLE:H)
28 KEY2 IN OPERATION CONTROL SIGNAL
29 START_SENSOR IN START SENSOR
30 KEY1 IN OPERATION CONTROL SIGNAL
31 END_SENSOR IN END SENSOR
32
A.ENV/ND(L) IN AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
33 LSD - MECHANISM MODE DETECT(D)
34 LSC - MECHANISM MODE DETECT(C)
35 NORM/MESEC/S IN NORMAL MODE:L/MESECAM MODE:M/S VHS MODE:H
AVCC - SYSTEM POWER FOR ANALOG CIRCUIT
36
37 SP_FG IN DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
38 LSB - MECHANISM MODE DETECT(B)
39 REC_SAFETY IN REC SAFETY SWITCH DETECT (SW ON:L)
40 POWER_DET IN DETECTION SIGNAL
DETECTION SIGNAL FOR SVHS CASSETTE (SVHS:H)
41 S.CASS[H]/JSA IN
/INPUT FOR THE JOG SHUTTLE
42 TU_FG IN DETECTION SIGNAL FOR TAKE-UP REEL ROTATION/TAPE REMAIN
43 SECAM_DET(H) IN DETECTION SIGNAL FOR SECAM ON P.B MODE (SECAM:H)
44 LM_FR(LMC1) OUT LOADING MOT
45 PB_CTL2 OUT PARALLEL CONTROLLER FOR CH+ IC (IN/OUT SWITCH)
46 D_A OUT LED DRIVE
47 D_B OUT LED DRIVE
48 D_C OUT LED DRIVE
49 D_D OUT LED DRIVE
50 D_E OUT LED DRIVE
51 D_F OUT LED DRIVE
52 D_G OUT LED DRIVE
53 SAT_CTL OUT CONTROL SIGNAL FOR SATELLITE RECEIVER
54 P.CTL(H) OUT CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
CAP_REV(H) CAPSTAN MOTOR REVERSE CONTROL (REV:H)
55 OUT
56 VCC - SYSTEM POWER
p40044001a_rev0
D
4-25 4-26
FUNCTION PIN NO. PIN NO. LABEL LABEL
57
VCC
58 DIG5
59 I2C_CLK2
60 I2C_DATA2
61 I2C_CLK
62 I2C_DATA
63 DIG4
64 DIG3
AN FG PULSE INPUT 65 DIG2
66 DIG1
67 LSA
P50_OUT/ET_REC(H)
68
69 POWER_DET
70 P50_IN/VHS(H)
71 PROTECT
72 RC
73 SW2/CH_SW
74 FWE
75 X2
76 X1
77 RES
78 OSC1(IN)
ANALOG CIRCUIT 79 VSS
80
OSC2(OUT)
81 VCL
82 MODE
83
CH+A/CONV_CTL
84 TU_A_MUTE(H)
85 SB_GAIN
86 SYNC_DET(H)/P.MUTE(L)
87 CH+B
88 MESECAM(H)
89
SECAM(H)
90 PB_CTL1
91 SP_SHORT(H)
92 LP/EP_SHORT(H)
93 H.REC_ST(H)
94 A.MUTE(H)
95 PAL_PB(H)
FOR POWER DOWN OF AC POWER SUPPLY 96 FULL_E_ON(H)/YCO
97 Y/C_OUT/EE(L)
98 N.REC_ST(H)
99 TU_V_MUTE(H)
OR DRIVE 100 N.REC_ST(H)
101 CAPPWM
102 AGC_CTL/SW1
103 CTL GAIN
104 DFG
D.FF
105
106 A.FF
107 CAP_CTL_V
108
DRUM_CTL_V
109 V.PULSE
110
VSS
111 C.SYNC
112 VCC
IN/OUT IN/OUT FUNCTION FUNCTION
- SYSTEM POWER
OUT LED DRIVE
OUT SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
OUT SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
OUT LED DRIVE
OUT LED DRIVE
OUT LED DRIVE
OUT LED DRIVE
IN MECHANISM MODE DETECT(A)
OUT CONTROL SIGNAL FOR TV LINK/ET REC MODE:H
IN DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
OUT CONTROL SIGNAL FOR TV LINK/VHS MODE(H)
IN DETECTION SIGNAL FOR SW POWER SUPPLY
IN REMOTE CONTROL DATA INPUT
IN TUNER SYSTEM MODE:L /CHANNEL SWITCHING SIGNAL
OUT FLASH WRITE ENABLE
- TIMER CLOCK (32.768KHz)
- TIMER CLOCK (32.768KHz)
- RESET TERMINAL
- MAIN SYSTEM CLOCK(10MHz)
- GND
- MAIN SYSTEM CLOCK(10MHz)
- SYSTEM POWER
- NC
OUT AV1 OUTPUT SWITCH CONTROL / R/F CONVERTER ON/OFF CONTROL
OUT TUNER AUDIO MUTE CONTROL (MUTE:H)
OUT VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
DETECTION OF VIDEO SYNC SIGNAL (DETECTED:H)/
IN/OUT
PICTURE CONTROL (MUTE:L)
OUT AV2 OUTPUT SWITCH CONTROL
OUT MESECAM:H
OUT COLOUR SYSTEM SECAM:H
OUT PARALLEL CONTROLLER FOR CH+ IC (IN/OUT SWITCH)
OUT MODE SELECT
OUT MODE SELECT
OUT HIFI AUDIO SOUND RECORDING START
OUT AUDIO MUTE CONTROL (MUTE:H)
OUT PLAYBACK MODE FOR PAL:H
IN FULL ERASE ON:H
- Y/C OUT[H]/EE:L
OUT NORMAL AUDIO SOUND RECORDING START
OUT TUNER VIDEO CONTROL (MUTE:H)
OUT NORMAL AUDIO SOUND RECORDING START
OUT CAPST AN MOTOR CONTROL
IN
AGC CONTROL INPUT/TUNER SYSTEM MODE:H
OUT CONTROL AMP OUT FREQUENCY RESPONSE SWITCHING
IN DRUM FG PULSE INPUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING
OUT
CONTROL SIGNAL FOR REC
OUT AUDIO FF OUTPUT
OUT
CAPSTAN MOTOR CONTROL
OUT DRUM MOTOR CONTROL
OUT V.PULSE ADDITION TIMING CONTROL
- GND
IN COMPOSITE SYNC
- SYSTEM POWER