Panel Circuit - Panasonic SA-AK66 Service Manual

SCHEMATIC DIAGRAM - 8

PANEL CIRCUIT

41 42 43 44 45 46 47 48 49 50 51 52
80 79 78 77 76 75 74 73 72 71
81 GRD8
<-27.8V>(-27.83V)
((-27.84V))-27.82V
82 GRD7
<-27.94V>(-27.95V)
((-27.87V))-27.94V
GRD6
83
<-27.91V>(-27.94V)
((-27.85V))-27.93V
84 GRD5
<-27.91V>(-27.94V)
((-27.85V))-27.93V
85 GRD4
<-27.93V>(-27.94V)
((-27.86V))-27.41V
86 GRD3
<-27.92V>(-27.95V)
((-27.85V))-27.9V
87 GRD2
<-28V>(-28.01V)
((-27.93V))-28.01V
88 GRD1
<-28V>(-28.02V)
((-27.94V))-28.01V
89 VEE
<-29.86V>(-29.82V)
((-29.75V))-29.84V
SUBQ
90
<0.8V>(0.26V)
((0.61V))0.4V
91 CHG_HALF
<4.57V>(4.57V)
((4.54V))4.57V
92 SQCK/ST/DO
<5.11V>(5.11V)
((5.09V))5.1V
CHG_CW
93
<0.15V>(0.02V)
((0.15V))0.02V
CHG_CCW
94
<0.02V>(0.02V)
((0.16V))0.02V
95 CHG_PLGR
<0.05V>(0.05V)
((0.05V))0.05V
96 REG_IN/EE_CS
<0.02V>(0.02V)
((0.02V))0.02V
97 AVSS
<0.01V>(0.01V)
((0.02V))0.02V
98 VREF+
<5.23V>(5.24V)
((5.21V))5.22V
99 TPS
<4.71V>(4.71V)
((4.68V))4.7V DECK1
100
<4.42V>
(4.42V)
((4.4V))
DECK2
4.6V
10
1 2 3 4 5 6 7 8 9
D620-D621
1SS291TA
R675
4.7K
R676
4.7K
(0.02V)
<0.02V>
(1.07V)<0.99V>
Q607
0.02V
0.96V((2.1V))[2.6V]
((0.02V))
[0.02V]
Q608
(0.72V)
(0.02V)
<0.72V> <0.02V>
(0.01V)
(0.02V)
0.72V
0.02V
<0.01V>
<0.02V>
((0.72V)) ((0.02V))
0.02V
0.02V
[0.72V]
[0.02V]
((0.02V)) ((0.02V))
[0.01V]
[0.02V]
C640 C641
1000P
1000P
Q607 Q608
KTC3199GRTA
KTC3199GRTA
SWITCH SWITCH
32K OSCILLATOR
OSCILLATOR
: +B SIGNAL LINE
: -B SIGNAL LINE
C634
35V22
70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54
IC600
M38B79MFA054
(SP_DAT/DPL_DAT/SP2_CLK)SER5
MICROPROCESSOR
(EE_CLK/MK_CLK/EX2_CLK)SER4
(SP_CLK/DPL_CLK)SER6
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
R660
100
R641
47K
C631
0.01
C644 R677
68P 680
X600
RSXZ4M19M01T
C645
68P
R678
R679
330K
10M
X601
RSXD32K7S02
C642 C643
C646 C647
56P
56P 18P 15P
: MAIN SIGNAL LINE
: CD SIGNAL LINE
R651
R652
D613
68 68
MA4020LTA
RLQB101JTD-D
C660
R622
50V3.3
R621 100K
(5.13V)<5.13V>
100K R620
5.13V((0.12V))
[5.14V]
R619 100K
R618
100K
R617 100K (5.21V)<5.21V>
5.21V((5.19V))
R616
100K
[5.23V]
R615 R650
100K
470K
R614
100K
R613
100K
Q602
R612
100K
R611
100K
(0.03V)
<0.03V>
100K
0.03V
((0.02V))
[0.03V]
D612
RVD1SS133TA
<-22.16V>(-25.91V)
((-19.33V))-24.69V
53 52 51
SEG6 50
<-21.94V>(-19.72V)
((-21.17V))-23.87V
SEG5 49
<-24.4V>(-25.87V)
((-17.28V))-25.85V
SEG4 48
<-26.28V>(-29.85V)
((-25.78V))-29.83V
SEG3 47
<-27.79V>(-29.8V)
((-23.63V))-27.79V
SEG2 46
<-23.61V>(-23.57V)
((-23.6V))-23.56V
SEG1 45
<-21.79V>(-19.43V)
((-21.38V))-19.45V
REST_SW 44
<0V>(0V)
((0V))0V
SPC 43
<2.19V>(2.2V)
((2.18V))2.2V
SPB 42
<2.18V>(2.19V)
((2.17V))2.19V
SPA 41
<2.18V>(2.19V)
R648 100
((2.19V))2.17V
40
<0V>(0V)
R698 100
((0V))0V
39
<0V>(0V)
((0V))0V
38
STATUS
<0V>(0V)
((0V))0V
SD 37
<0V>(0V)
((0V))0V
DPL_LAT 36
<5.01V>(5.03V)
((4.98V))5.02V
35
<5V>(5.02V)
((4.96V))5V
CDRST 34
<5.09V>(5.12V)
R645
((5.1V))5.11V
DCDET1
33
<5.16V>(5.16V)((5.12V))5.15V
1K R644 470
SYNC 32
R643
(5.04V)<5.04V>5.04V((5.02V))[5.06V]
RMT 31
10K
BLKCK
28 29 30
(0.02V)
<0.01V>
0.02V
((0.02V))
[0.02V]
R659
100
Q601
KRC103MTA
POWER RESET
SWITCH
C650
330P
8 7 6 5
IC603
1 2 3 4
R689
4.7K
R688
C667
22K
0.022
18 17 16 15 14 13 12 11 10
9 8 7 6 5 4
TO
MAIN CIRCUIT
(CP503) ON
SCHEMATIC DIAGRAM-4
TO
DECK CIRCUIT
(CN1001) ON
SCHEMATIC DIAGRAM-10
H600
1 2 3 4 5 6 7
FL1
FL2
L605
-VP
Q604
KRC101MTA
DVREF+
SWITCH
CD STATUS INTERFACE
Q605
(4.47V)<4.47V>
4.47V((4.44V))[4.49V] KRC101MTA
Q603
SWITCH
CD SUBQ INTERFACE
Q606
R649
KRC101MTA
4.7K
(0.05V)<0.05V>
SWITCH
0.05V((0.05V))[0.05V]
CD BLK CLK INTERFACE
ECONO
(3.66V)
<3.66V>
3.66V DVREF+
((3.64V))
[3.68V]
SYS6V
R699
4.7K
STATUS
/RESTSW
R703
1K (0V)<0V>
0V((0.02V))
[0V]
Q605
BLKCLK
(5.15V)<5.15V>
SUBQ
5.13V((0.7V))[5.14V]
/CDRST
(0V)
<0V>
ST/DO/SQCLK
0V
((1.28V))
[0V]
(0V)<0V>
0V((0.02V))[0V]
REST_SW
PLLCE
R707 4.7K
SPC
R708
SPB D614-D617
10K
MA700ATA
SPA
SER5 D614
D618-D619
SER4
RVD1SS133TA
STATUS R664 100
R665 100
SD PLLDA
SER7 R666 100
PLLCLK
SER6
R670
R646 100K
VREF+
22K DCDET1
D619
SYNC
C618
0.1
VREF+
R673
(0.02V) C617
DVREF+ 22K
<0.02V>
50V2.2
0.02V
((0.02V))
[0.02V]
Q601
D611
R686
RVD1SS133TA DVREF+
5.6K
D601
RVD1SS133TA
R696
SYS6V
IC603
93LC46B
E2PROM
INTERFACE
VREF+
R674
DVREF+
1K
3 2 1
CP605
8
Q603
2SA933SSTA
SWITCH
DECK +6V SUPPLY
Q602
KRC102MTA
POWER CONTROL
SWITCH
Q604
(5.13V)<5.13V>
5.13V((0.12V))
(0V)<0V>
[5.14V]
0V((1.44V))
[0V]
R704
10K
Q606
(5.14V)<5.14V>
5.14V((5.05V))[5.14V]
(0V)
<0V>
0V
((0.03V))
CP606
[0V]
(0V)<0V>
1
0V((0.02V))[0V]
2
3
R706
10K
4
5
6
R667 R668
R669
5.6K
5.6K 5.6K
7
MLD
8
D615
MDAT
TO
9
D616
MCLK
CD SERVO
10
D617
PGND
(CN702) ON
11
CD7.5V
SCHEMATIC
12
TX
DIAGRAM-2
13
LD_SW
14
CDDGND
15
CD3.3V
16
CDR
17
CDAGND
18
CDL
19
C619
100P
CP607
C620 100P
1
SD
2
SER2
3
SER3
4
SPE
5
CHG_AD2
6
CHG_SW1
7
SW5V
8
CHG_SW2
9
CHG_AD1
10
SER6
11
SER7
12
VREF+
13
-VP
TO
14
LED9V
MAIN
15
MIC_GND
CIRCUIT
16
+9V
(CP502) ON
17
MIC
SCHEMATIC
18
CHG_PLGR
DIAGRAM-5
19
CHG_CCW
20
CHG_CW
21
SQCK/ST/DO
22
CHG_HALF
23
DVREF+
24
DGND
25
HP_GND
26
HPR
27
HPL
28
HPSW
H601
SYNC
1 TO
FL1
2 TRANS
FL2
3 CIRCUIT
SYS6V
4 (CN502) ON
ECONO
5 SCHEMATIC
6 DIAGRAM-12