Panasonic PV-D4742 Service Manual page 100

I/O CHART OF IC6001
Pin No. I/O Signal Name Description Pin No. I/O
1 I POWER_DOWN_L POWER DOWN(L) 51 I OSD_VDD
2 I E/V-MASK E/V-MASK 52 O AFCC
3 I T-REEL TAKEUP REEL PULSE 53 I AFCLPF
4 I S-REEL SUPPLY REEL PULSE 54 O PANE_CS
5 I IR-DATA IR-DATA 55 O 3CH_HIZ/4CH_L
6 - NC (Not used) 56 O BLACK_H
7 O LD_CTL LOADING MOTOR CONTROL REVERSE(L)/STOP(M)/FORWARD(H) 57 O SW_MUTE_H
8 O H-RDY HOST READY(H) 58 O DVD_SEL_H
9 O DVD_RST_L DVD RESET(L) 59 O DVD_PWR_ON_H
10 O TV_L/VCR_H TV(L)/VCR(H) 60 I D-RDY
11 O SCK_1 SERIAL CLOCK 1 61 O PROGRESSIVE_LED_ON_H PROGRESSIVE LED ON(H)
12 - NC (Not used) 62 O PROGRESSIVE_SW_ON_H
13 O MASTER_DATA_1 SERIAL DATA 0 63 I CPN_SEL_L
14 I SCK_0 DVD SERIAL CLOCK 64 O W/CANADA_L
15 I SI DVD SERIAL DATA 1 65 I PFG
16 O SO DVD SERIAL DATA 0 66 - NC
17 I/O IIC_DATA I2C SERIAL DATA 67 I FGF
18 O IIC_CLK I2C SERIAL CLOCK 68 - AFG
19 O INPUT2 INPUT SELECT 2 69 O VRO
20 O DEFEAT_H AUDIO DEFEAT(H) 70 - VRI
21 O CAP_R/F CAPSTAN MOTOR REVERSE(H)/FORWARD(L) 71 - AVSS
22 O A-MUTE_H AUDIO MUTE(H) 72 - CTLA
23 O HSW HEAD SW 73 I AVDD
24 O V-LOCKPLS V-LOCK PULSE 74 I/O RCTLP
25 I RST RESET 75 - RCTLN
26 O 1/4_OSC 3.58MHz 76 - CO
27 O HIFI-HSW Hi-Fi HEAD SW 77 - NC
28 O V-D-REC_H VIDEO DELAY REC(H) 78 I KEY5
29 I HIFI-PB_H Hi-Fi PB(H) 79 I T-PHOTO_L
30 I S-TAB SAFETY TAB BROKEN(H) 80 I S-PHOTO_L
31 O VIDEO_MUTE_H VIDEO MUTE(H) 81 I DTS-AFC
32 I W/VCR+_L VCR+(L) 82 I MTS_MODE
33 O PWM1(CAP) CAP ERROR 83 O POWER-ON_L
34 O PWM0(CYL) CYL ERROR 84 I W/CMA_L
35 O PANE_CLK PANEL CLOCK 85 I AT_ENV
36 I DVDD VDD 86 I KEY4
37 O OSC_OUT OSC 2 87 I KEY3
38 I OSC_IN OSC 1 88 I KEY2
39 - DVSS GND 89 I KEY1
40 O ANGLE_LED_H ANGLE LED ON(H) 90 - W/ALL_SET_L
41 O VCR_LED_H VCR LED ON(H) 91 O POWER_ON_H
42 - SXI SXI 92 I BLACK_DET_A
43 O VCR_REC_LED_H VCR REC LED ON(H) 93 I BLACK_DET_V
44 O DVD_LED_H DVD LED ON(H) 94 O C/R/SS-L
45 - NC (Not used) 95 I POS.3
46 O DVD_AUDIO_SW_H DVD AUDIO CONTROL ON(H) 96 I POS.2
47 O CV_OUT VIDEO 97 I POS.1
48 - OSD_VSS GND 98 O ROT
49 I CV_IN VIDEO 99 O HAMP
50 I CV_IN2 V-SYNC 100 I DENV
Signal Name Description
VDD
AFC
AFC
PANEL CS(L)
CH3(H)/CH4(L)
BLACK DETECT(H)
SW MUTE(H)
DVD SELECT(H)
DVD POWER ON(H)
DVD READY(H)
PROGRESSIVE ON(H)
COMPONENT SELECT(L)
(Not used)
CYL PG/FG
(Not used)
CAP FG
CAP FG
LOADING
MOTOR
V-REF 1
V-REF 2
GND
CTL AMP
VDD
CTL PULSE(+)
CYLINDER
CTL PULSE(-) MOTOR
PB CONTROL PULSE
(Not used)
KEY DATA 5
TAKEUP PHOTO TR(L)
SUPPLY PHOTO TR(L)
AFC
MTS MODE
POWER ON(L)
CM ADVANCE(L)
ENV-VOLTAGE
KEY DATA 4
KEY DATA 3
KEY DATA 2
KEY DATA 1
(Not used)
POWER ON(H)
AUDIO BLACK DETECT(L)
VIDEO BLACK DETECT(L)
CUE/REV/SS(L)
MODE SW POSITION C
MODE SW POSITION B
MODE SW POSITION A
ROTARY SW
HEAD AMP SW
ENVELOPE DET
NOTE:
PARTS ENCLOSED IN DASHED LINES MARKED "PT" ARE NOT USED.
CAPSTAN MOTOR ASS'Y
NOTE:
CAPSTAN MOTOR ASS'Y (REF. NO. 46) IS SUPPLIED AS A UNIT ONLY.
HOWEVER, THE FLAT FLEXIBLE CABLE (REF. NO. 48) IS AVAILABLE SEPARATELY AS A REPLACEMENT PART.
(CAPSTAN / CYLINDER / LOADING MOTOR DRIVE IC)
POSITION
SIGNAL
PROCESS
CAPSTAN CAPSTAN
MOTOR
MOTOR
COIL
DRIVE
TO LOADING
MOTOR CN3
CAPSTAN
LOADING
FG PULSE
M LDM OUT 2 1
MOTOR
GENERATOR
LDM OUT 1 2
DRIVE
LDM OUT1 LDM OUT 2
DIFFERENTIAL
CCW L H
AMP
STOP L L
CW H L CYLINDER
MOTOR
DRIVE
(TO CYLINDER) CN2
U PHASE 7
MOTOR
V PHASE 6
POSITION
W PHASE 5
DET
COIL COMMON 4
MOTOR GND 3
CYLINDER
PG OUTPUT 2
HALL PG PULSE
IC GENERATOR
PG GND 1
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
HALL
ELEMENT
HALL
ELEMENT
HALL
ELEMENT
TO MAIN C.B.A.
CN1 P6201
1 CAPSTAN MOTOR REVERSE(H)/FORWARD(L)
2 MOTOR GND
3 CAPSTAN FG OUTPUT
4 VCC(14V) FOR CAPSTAN MOTOR
5 CURRENT LIMIT FOR CAPSTAN MOTOR
6 VCC(5V)
7 CYLINDER PG/FG OUTPUT
8 CYLINDER SPEED CONTROL
9 CAPSTAN MOTOR SPEED CONTROL
10 VCC(14V) FOR CYLINDER & LODING MOTOR
MR
HEAD 11 SIGNAL GND
12 LODING MOTOR CONTROL REVERSE(L)/STOP(M)/FORWARD(H)
FG
PG
I/O CHART OF IC6001
PV-D4742