Memorex MVT2139 A Series Service Manual page 47

A B
8
7
FROM/TO SOUND AMP
SOUND_GND
SOUND_L+
SP_OUT_L
6
FROM POWER
AT+5V[UCON]
5
P.CON+9V
GND
FROM/TO MICON
VCR_A_MUTE
REC_LED
T-REC_LED
KEY_A
KEY_B
OTPB_LED
PLAY_LED
4
REMOCON_IN
TV_POWER_H
EXT_MUTE
FROM/TO Y/C/AUDIO/CCD/HEAD AMP
MONITOR_A
VIDEO_OUT
FRONT_V_IN
FRONT_A_IN_L
3
REAR_V_IN
REAR_A_IN_L
2
FROM IF
VIDEO_OUT
CAUTION: DIGITAL TRANSISTOR
1
A B
G-7
C D
IN/OUT SCHEMATIC DIAGRAM
(SYSCON PCB)
C4201
0.01 B
0 3.7
FRONT_A_IN_L
(W239)
REC LED SW
W828
FRONT_V_IN Q4205
0
KRC102SRTK
T-REC LED SW
REC_LED
KRC102SRTK
0
0 0
TV POWER LED SW
Q4204
W883 4.8
TV_POWER_H
KRC102SRTK
T-REC_LED
C4212
R4212
C4216 R4207
330 1/4W 1 F 100 16V 10 KA
0
CH MUTE
0
Q4211
2SC2412K
0
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
C D
E F
C4205
0.01 B
W908
Q4206
3.7
0
R2211
4.7K
1/4W
R2212
4.7K
C4211
W887 R4213
W892
75
16V 470
R4224
75
H1 H2 H1 H2
REAR A/V JACK(MONO)
2 3 2 3
J4202
AV2-20D-2
1 1
E E
REAR A/V JACK(MONO)
J4201
AV2-20D-2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E F
G
R4232
10K
8.9 D4201
MUTE SW
Q4210
0
2SA1037AK
8.8
MTZJ5.6B
YK
BUFFER
Q4212
5.2 2SA1037AK
R4238
4.6
33 1/4W
0
TUNER VIDEO SIGNAL
AUDIO SIGNAL(REC)
G
H
8
7
6
5
4
3
2
PCB010
VMA245
1
H
G-8