13/19" Main Micro Block Diagram - Zenith TVBR1342Z Service Manual

1 2
G
AT + 5.6V
P. CON + 5V
F
This schematic
applies to the
following models
only:
TVBR1342
TVBR1942
E
TV VCR_POWER_H
CP1004
4 CTL
CAPSTAN
6 FG
DD UNIT
7 CAP.M F/R
CP1005
D
CYL PG
1
MICRO
3 CYL FG
MOTOR
5 CYL DRIVE
C
EOT SENSOR
C_ROTARY
Y/C/AUDIO/
DUMMY_V. SYNC
HEAD AMP
INPUT_SEL
B
M101
CP101
LOADING
LM LDM+ 4
MOTOR
LDM- 3
BOT 2
A
VCC 1
BOT SENSOR
Q101
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL
REPLACE ONLY WITH PART NUMBERS SPECIFIED.

13/19" Main Micro Block Diagram

3 4
SW1001
TIMER SYSCON MICON IC
IC1001 OEC7043A
2 3
TAB SW
1 4 50
4 1 MSSEN-A
1
MS_SEN A
Q1009
2 3
2 MSSEN-B
1 4
MS_SEN B
Q1003
2 3
Q1002
23 SENS LED
SENSOR SW
1 3 80 REEL-T
REEL SENS
Q1001
2 4
1 79 REEL-S
3
REEL SENS
2 4
Q1005
27 VCR-POWER
76 CAP-PWM
87 CAP-FG
11 CAP-FWD
90
DRUM-PG
89
DRUM-FG
77 DRUM-PWM
D1003
Q1024
P. CON + 5V
LED DRIVER 68 CENTER LED
P. CON + 5V
3 EOT
Q1013
15 COLOR ROTARY
13 DUMMY-V.SYNC
33 INPUT_SEL
LOADING MOTOR DRIVER IC
ICIC1003 BA6955AN
CONTROL LOGIC
POWER
SAVE
STD
2 5 7 4
20 LDM-RVS
21 LDM-FWD
CP1006
4 LDM+
3 LDM-
2 BOT 4 BOT
1 VCC P. CON + 5V
.
5 6
SYSTEM RESET IC
RESET-L 34 3 OUT IC1002
PST600H
POWER_FAIL_L 85
X-OUT(12MHz) 39
X1001
12MHz
X-IN(12MHz) 38
XC-OUT(32KHz)
36
X1002
32.768KHz
35
XC-IN(32MHz)
ENV_CMP_IN
17
CTL+ 95
CTL- 94
66
V-REC-ST-H
CVIN 56
VIDEO-H.SW 18
REC-H/EE-M/PB-L
61
DOC/XO-CTL 67
SP/LP/EP-H 83
TRICK_PB-H/EE-H 69
ENV_DET
6
VCR_A_MUTE 81
EEP ROM IC
IIC-DATA1 72 5 SDA
IC1099
IIC-CLK1 71 SCL
6 S-24C02BDP-11
97 Q1004
CTL AMP-OUT
FF/REW_SW
FF/REW-L 73
R
64
G 63
B 62
AFT(MONI) 7
OSD OUT1
60
V-SYNC 59
H/C-SYNC 58
TV_A_MUTE 82
KEY A 9
POWER
28
TV-POWER ON/OFF
KEY B 10
OS753
Q4204
TV POWER 1 2
SW
REMOCON-IN 14
Q1007
REC LED 30 REC LED SW
REC/OTR
D793
Q1008
T-REC
T-REC LED 29
LED SW
5-2 P/L = See parts list for part description
7 8
POWER FAIL (DC)
Q1023
J701
AUDIO L
X_RAY_SW
3 4 FRONT_VIDEO
1 FRONT_AUDIO
2
VIDEO
COMP
CTL+
CTL-
V. REC_ST_H
SD_VIDEO
H. SW
REC/EE/PB
DOC_XO_CTL
SP/LP/EP-H
TRICK_PB-H/EE-H
ENV_DET
VCR_A_MUTE
X_RAY
SDA
SCL
OSD_R
OSD_G
OSD_B
AFT_M
OSD_BLK
VD
HD
TV_A_MUTE
TV_POWER_H
REC/OTR STOP/EJECT PLAY FF/CUE
3 CH DOWN CH UP VOL UP VOL DOWN
AT + 5.6V
POWER/PLAY
T-REC
D791 D792
PROV = Provisional
9 10
Y/C/AUDIO/
HEAD AMP
TV
REW/REV
TVBR2000 SHEET 2