JVC TV-20F242 Service Manual page 57

AT + 5V
P. CON + 5V
DEGAUSS_H
TV
VCR_POWER_H
CP1004
4 CTL
CAPSTAN
6 FG
DD UNIT
CAP.M F/R
7
CP1005
CYL PG
1
MICRO
3 CYL FG
MOTOR
5 CYL DRIVE
D1003
P. CON + 5V
SYSTEM RESET
IC1002
PST600H
EOT
Q1013
C_ROTARY
Y/C/AUDIO/
HEAD AMP/
DUMMY_V.SYNC
IN/OUT
INPUT_SEL
LOADING MOTOR DRIVER
IC1003 BA6955N
CONTROL LOGIC
POWER
SAVE
2
M101
CP101 CP1006
LOADING
LDM+ 1 4 LDM+
LM
MOTOR
LDM- 2 3 LDM-
BOT 3 2 BOT
VCC 4 1 VCC
BOT SENSOR
Q101
No.51768
TV-20F242
MICON/OPERATION/DECK BLOCK DIAGRAM
TIMER SYSCON MICON
IC1001 OEC7043B
SW1001
2 3
HI-FI-H.SW
1 50 TAB SW
4
1 MSSEN-A
1 4
X_RAY_TEST
MS_SEN A
POWER_FAIL_L
Q1009
2 3
XC-OUT(32KHz)
2 MSSEN-B
1 4
MS_SEN B
XC-IN(32KHz)
Q1003
2 3
Q1002
23 SENS LED
SENSOR SW
V-REC-ST-H
1 3 80 REEL-T
REEL SENS.
4 Q1005
2
VIDEO-H.SW
REC-H/EE-M/PB-L
1 3 79 REEL-S
YC DOC/XO-CTL
REEL SENS.
2 4
Q1001
SP/LP/EP-H
TRICK_PB-H/PB/EE-H
22
DEGAUSS_H
VIDEO-ENV
27 VCR-POWER
VCR_A_MUTE
76 CAP-PWM
87 CAP-FG
11 CAP-FWD
CTL AMP-OUT
90
DRUM-PG
89
DRUM-FG
77
DRUM-PWM
Q1024
LED DRIVER 68 CENTER LED
AFT(MONI)
3 34 RESET-L
OUT
OSD OUT1
P. CON + 5V
H/C-SYNC
3 EOT
TV_A_MUTE
15 COLOR ROTARY
13 DUMMY-V.SYNC
33 INPUT_SELC
TV-POWER
STD
5
7 4
REMOCON-IN
20 LDM-RVS
21
LDM-FWD
4 BOT
T-REC LED
P. CON + 5V
39 X-OUT(12MHz)
X1001
12MHz
38 X-IN(12MHz)
TV-20F242
HI-FI-ENV 5
19
STEREO
100
41
85
36
X1002
32.768KHz
35
CTL+ 95
CTL- 94
66
CVIN 56
18
61
67
83
69
6
81
IIC-DATA1 5 SDA
72
IIC-CLK1 71 SCL
6 EEP ROM
IC1099
97 Q1004
S-24C04BDP-LA
FF/REW_SW
FF/REW-L 73
R
64
G 63
B 62
7
60
V-SYNC 59
58
82
KEY A
9
POWER
28
ON/OFF
KEY B 10
OS753
Q4204
TV POWER 1 2 3
LED SW
14
Q4205
REC LED 30 REC LED SW
REC/OTR
T-REC
D791
Q4206
T-REC
29
LED SW
2-7 2-8
REC/OTR STOP/EJECT PLAY FF/CUE
CH UP VOL. UP VOL. DOWN
CH DOWN
AT + 5V
POWER
D793
D792
No.51768
V. REC_ST_H
VCR_A_MUTE
HIFI_ENV HIFI
HIFI_H.SW
ST_SELECT
X_RAY_TEST
TV
POWER FAIL(DC)
SCL
HIFI
SDA
CTL+
CTL-
V. REC_ST_H
SD_VIDEO
H. SW
Y/C/AUDIO/
HEAD AMP/
REC/EE/PB
IN/OUT
DOC_XO_CTL
SP/LP/EP-H
TRICK_PB-H/EE-H
ENV_DET
SDA
SCL
OSD_R
OSD_G
OSD_B
TV
AFT_M
OSD_BLK
VD
HD
TV_A_MUTE
TV_POWER_H
REW