System Controller Section - JVC DR-M10SEF Service Manual

System controller section

TO SHEET 9 443[H]
TO SHEET 11
SCR_ID
SEPA_IN[H]
TO SHEET 9
SECAM_DET[H]
4_3[L]
TV[L]
RGB_TH[H]
AV1_YC_IN[H]
TO
BIAS/RGB_CTL
AV1_L
SHEET 11
AV2_H
P.MUTE[H]
RAPID_SW
V_MUTE[L]
GND
I2C_DATA_A/V
TO SHEET 9
I2C_CLK_A/V
R3220
100k
HDD_P.SAVE
P.SAVE
SW5V
TO
SW12V
48V
SHEET 10
GND
FAN_CTL
R3218
Q3004
P_CTL[H] 4.7k
2SD601A/QRS/
2SC2412K/QRS/
AL5.3V
# D3003 2SC3928A/QRS/
RD39ES/B3
MTZJ39C R3219
4.7k
L3001 0.22u
D3004
11ES2
1A3G
EDL # C3010 # C3011
QEZ0244-229 4700 /6.3
K_BUS_OUT
K_BUS_IN
K_BUS_CLK
TO
K_BUS_REQ
SYS_RESET[L]
SHEET 10
GND
P_CTL[H]
VD
VIDEO_LED
DVD_LED
DVD_REC_LED
HDD_LED
HDD_REC_LED
R3251
LED_OUT 10k
TO
BACK_UP_GND
SHEET 14
AL5V
S_CLK
S_DATA_TOSYS
S_DATA_FRSYS
STB
RC_IN
GND
2-18 (No.XA020SCH)
SVss
C3038 C3039
47 /6.8 0.01
C3007 1
C3014 47 /6.3
SVcc
C3015 0.1
AVcc
R3011 SHORT
R3252 SHORT R3012 1k
R3213 D3002
470k 1SS133
1SS270A
R3249 SHORT R3016 SHORT
TEST
R3017 100k
# R3018
SCR_ID
R3214
# R3242 4.7k R3248 SHORT
330k
# R3246 OPEN
AFC
# R3247 OPEN
RF_AGC
R3022 1k
AVss
SW2
D3005 RAPID_SW
11ES2
1A3G SW1
R3028 1k
LED_OUT
# C3042
470 /6.3
[for_EDL]
# C3051 0.0027
C3049 OPEN
# R3260
10K
# Q3010
R3234 10k # D3008
UN221E
DTC144WKA
R3233 10k # D3007
Vss
DVD_REC_LED
Vcc
DVD_LED
VIDEO_LED
R3079 1k
443[H]
SEPA_IN[H]
# IC3001
R3076 0
HD643219****F I2C_DATA
HD64F2194F**** R3075 0
I2C_CLK
A.MUTE1[H]
R3073 1k
TU_V_MUTE[H]
R3072 1k
TU_A_MUTE[H]
TP3904 R3071
MODE
C3050 0.1 R3069
Vcl
OSC2
Vss
OSC1
TP3905
RES
X1
# X3001
X2
R3063 SHORT
TP3903 R3062
FWE
R3061 1k C3028
TU_DATA
R3060 1k
TU_CLK
JUST_CLK
TP3908
TP3907 B3971
B3962
R3258
# R3257
TP3906
# R3256
# IC3004
AT24C**N-10SC
24LC**B/SN
BR24C**F
X24C**S
C3017 OPEN
C3018 OPEN
C3019 OPEN
C3020 OPEN
C3021 OPEN R3223
R3224
R3235 3.3k
R3236 3.3k
# R3237 3.3k
# Q3009 # Q3007
UN221E UN221E
DTC144WKA DTC144WKA
1SS355
C3037 12p
10k
X3002
QAX0528-001
100
QAX0527-001 C3054 C3031
QAX0533-001 OPEN R3230 0.1
R3229 QAX0532-001 4.7k
R3231
1M QAX0527-002
1k
C3036 18p
R3066
C3030
4.7k
# C3041 10p
47
/6.3
# C3025 # IC3003
IC3002
# C3024 BD4727G
IC-PST3427U
10k
C3029
OPEN OPEN
R3239 R3240
10k 10k
SHORT
SHORT
10k
10k
10k
# Q3901
UN221E
DTC144WKA
4.7k
4.7k
R7202 220
R7203
AV1_L
AV2_H
TO
ADC_RST[L]
A_MUTE1[H]
SHEET 8
I2C_DATA2
I2C_CLK2
TO
SYNC_DET
I2C_DATA2
SHEET 9
I2C_CLK2
CN3901
TO SHEET 11
P50_I/O
R.PAUSE TO
SAT_CTL
SHEET 10
R7204
GND
10 1/2W
Q7201 QRE123J-100Y
2SC1317/RS
L7201
100u
C7203
4.7k C7202
330 /6.3
100
/6.3
I2C_DATA2
I2C_CLK2
TU_V_MUTE[H]
TU_DATA TO
TU_CLK
SHEET 13
SW_2
SW_1
AFC
RF_AGC
SHEET 12