JVC HR-S6970AA Service Manual page 28

MAIN(SYSCON) SCHEMATIC DIAGRAM
5
C.SYNC
N.REC_ST[H]
N.REC[H]
V.PULSE
CTL[+]
TO
CTL[-]
VIDEO/N.AUDIO
2Fsc
SHEET 1 S_DET
VIDEO_ENV
SB_GAIN
V_TO_OSD
SW5V
GND
CN3001
4
C3071
33
C3056
0.1
R3253
R3252
10K
15K
R3254
R3255
C3004
0.047
L3002
3
R3206
R3207
R3205
18k
180
Q3002 Q3003
JS3001
D3001
C3046 C3008 C3045
0.01
R3217 R3216 R3215 R3214
10k 10k 10k 10k
GND
M12V
GND
P.CTL[H]
IC3003
CAT24WC08JI-X
2
TO SW.REG
SHEET 5
R3212
SW12V
!
D3005 470k
AL5.8V
10EDB20
D3002
SW5V
R3218
D3003
48V
4.7k
µ
D3004 L3001 10
10EDB20
C3011
R3219
4.7k
R3213
330k
R3222 Q3005
2SD601A/QRS
10k
C3013
0.01
C3012
1 47
A
R3237
R4021
R4020
C4001
C4002
0.01
C4005
0.0022
TP4001
C4010
0.022
C210
0.01
Q4001
R3210 R3211 R3208 R3209
120 18k 120 18k
PC3002 PC3001
L202 0
Q202
2SA2412K/QRS/
C209
47
R209
R3225 R3221
10k 10K
S3001
S3002
R3220
100k
Q3004
2SD601A/QRS
B C
TO FMA
SHEET 4
D4001 R4016
R4017 1k
R4001
C4015
0.001
R4003 R4004
560 560
C4004
22
C4006
47
R4005 R4006
C4007
R4007 5.6k
1K IC3001
C4008 1
C4003 C4009 0.056
C214 µ
C201 L201 R201
22p 15 470
R202 R203
C202
10K
4.7 C203 10k
1000p
D201
R205 2.2K
µ C205
L204
4.7
R210 100 150 C207 4.7
R214
470k
C204
R207
C206
R212 1k 680p
C212
100 0.01
B201
B202
Q201
2SA1037AK/QR/
R208
0
C208
L203 C213
0 0 0.01
R3024 0
R3026
C3047 R3028
B3003
C3014 C3048
47 0.01
D E
2-7 2-8
R3102
0
IC3002
S-80827CNNB-G-W
C3052 C3055
C3054
10
R3084
R3083 1k
R3082
1k
C3050 B3001
R3080
0.1 C3037 12p
100
X3002
R3229
1M
18p
R3077 1k C3036 C3025
C3073
30p
X3001
C3041
0.01
C3024
R3073
R3072
0
R3071
R3069 0
R3067 4.7k
R3066
R3065
R3064
R3063
R3062 330
R3061 330
R3060 330
R3059 330
B3903 B3901
R3058
B3902
C3078
CN3901
C3077
Q3901
R3244
R3245 33k
33k
F
A.MUTE[H]
D.FF
TO
VIDEO/N.AUDIO
I2C_DATA
I2C_CLK SHEET 1
LP/EP_SHORT[H]
SP_SHORT[H]
MESECAM_DET
V_FROM_OSD
TO TERMINAL
GND
CTL_A SHEET 8
CTL_B
I2C_DATA
I2C_CLK
TO S-SUB
V_FROM_OSD
SHEET 3
P.MUTE[L]
CHARA_DATA
GND
SW2
I2C_CLK2
TO TUNER
I2C_DATA2
SHEET 6
SW1
RF_VIDEO
AFC
AL5V
RC
DIG1
DIG2
DIG3
DIG4
DIG5
DIG6
DIG7
TO FRONT
D_G
SHEET 7
D_F
D_E
D_D
D_C
D_B
D_A
KEY1
KEY2
JSB
JSA
GND
p10608001a_rev0
SHEET 2
G