JVC TV-20F242 Service Manual page 63

[SYSCON PCB IN/OUT DIAGRAM]
A B
8
NC
7
FROM/TO SOUND AMP
SP_OUT_R
SOUND_R+
SP_OUT_L
SOUND_L+
SOUND_GND
6
5
FROM/TO Y/C/A/H.AMP
VIDEO_OUT
FRONT_VIDEO_IN
REAR_VIDEO_IN
GND
FROM/TO HIFI
AUDIO_OUT_R
W892
4
AUDIO_OUT_L
FRONT_AUDIO_IN_L
FRONT_AUDIO_IN_R
REAR_AUDIO_IN_L
REAR_AUDIO_IN_R
3
2
FROM/TO CHASSIS
CD4203 CH01812A
(JACK)
1 GND
1
A B
No.51768
C
IN/OUT SCHEMATIC DIAGRAM
(SYSCON PCB)
R4205 C4208
1K 1 B
C4212
16V 10 KA
0
R4203 MUTE SW
0
Q4203
2.2K 2SC2412K
0
0
CH MUTE
Q4211
0
2SC2412K
0
CAUTION: DIGITAL TRANSISTOR
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
C
TV-20F242 TV-20F242
D E
NC NC
ON TIMER REC
LED SW LED SW
Q4201
3.3 3.5
DTC114EKA DTC114EKA
0
0
0 0
TO PLATE DECK SILDE
CC4201 CC4202
R4217 C4206
1K 16V 10 KA
25
W912
24
W914
H2 H1 NC H1 H1 H2 H1
4 2 3 6 2 3 5
1 5 1 4
E E E E
REAR A/V JACK(STEREO) REAR A/V JACK(STEREO)
J4201_1 J4202_1
AV3-19S-1 AV3-19-1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
2-19 2-20
F G
T-REC
LED SW
Q4205 Q4206
3.6
DTC114EKA
0
0
P.CON+9V
R4232
10K
D4201
V.OUT 8.9
MTZJ5.6B
TP4201 8.1 EXT_MUTE
R4213 C4211 R4239 R4204
8.8
MUTE SW
1K
Q4210
75 16V 470 YK 220 1/2W
2SA1037AK
BUFFER
Q4212
2SA1037AK
1.9
R4238
2.5
VIDEO_OUT
33
0
TUNER VIDEO SIGNAL
AUDIO SIGNAL(REC)
F G
No.51768
H
8
7
6
FROM/TO MICON
VCR_A_MUTE
ON_TIM_LED
5
REC_LED
T-REC_LED
KEY_A
KEY_B
REMOCON_IN
EXT_MUTE
4
3
FROM/TO POWER
2
AT+5V[UCON]
P.CON+9V
GND
PCB010
VMX188
1
H