Service Manuals, User Guides, Schematic Diagrams or docs for : ARCAM CD37 Arcam-CD37-cd-sch
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L165C08 Power
L165C08 Power.Sch NOTES ON VARIANTS
This board is one of 4 variants that all use the same bare PCB (L988PB). The build differences are:
PSUCLK AC_PRES* Number of audio channels (2 OR 8)
POWER Type of audio DAC (WM8740 OR WM8741)
Video section populated/not populated
SHEET 8 Scaler/HDMI transmitter used (vaddis internal or external devices)
Aux audio PSU fitted/not fitted
SPDIF transformer fitted/not fitted
AC_PRES*
DV135 DV137 DV139 CD37
L165C03 Front End L165C02 Vaddis 8 L165C05 DAC L & R BOARD ASSEMBLY P/N L111AY L988AY L110AY L165AY
L165C03 Front End.Sch L165C02 Vaddis 8.Sch L165C05 DAC L & R.Sch
RF SCART_LEFT AUDIO CHANNELS 2 8 8 2
RF RF AC_PRES* SCART_LEFT
RFA SCART_RIGHT
RFA RFA SCART_RIGHT
RFB RESET* AUDIO DAC WM8740 WM8740 WM8740 WM8741
RFB RFB RESET* RESET*
RFC MD
RFC RFC MD MD
FRONT END RFD
RFE
RFD
RFE
RFD
RFE
MC
ML_8740_0
MC
ML_8740_0
MC
ML_8740_0
VIDEO SECTION POPULATED POPULATED NOT POPULATED NOT POPULATED
RFF ML_8740_3 HDMI VADDIS ABT1010/SI9030 ON SEPARATE BOARD L102AY NOT POPULATED
SHEET 3 RFF
ADC_H
ADC_H
RFF
ADC_H
ML_8740_3
MUTE*
MUTE*
ML_8740_3
MUTE*
SPDL_SENSE-
SPDL_SENSE+
SPDL_SENSE-
SPDL_SENSE+
SPDL_SENSE-
SPDL_SENSE+
ML_8740_1
ML_8740_2
ML_8740_1
ML_8740_2 DAC AUX PSU NOT FITTED NOT FITTED FITTED FITTED
CD_MD SPDIF TRANSFORMER NOT FITTED FITTED FITTED FITTED
CD_MD
DVD_MD
DVD_MD
CD_LD
CD_MD
DVD_MD
L165C04 Clocks & Buffers
L,R,Lt,Rt
CD_LD
DVD_LD
DVD_LD
VC
CD_LD
DVD_LD
L165C04 Clocks & Buffers.Sch
PSU_CLK
SHEET 5
VC VC PSUCLK
CD*_DVD PCM_DAC0
CD*_DVD CD*_DVD PCM_DAC0 PCM_DAC0
TRACK_S PCM_DAC3/DSD3
TRACK_S TRACK_S PCM_DAC3/DSD3 PCM_DAC3/DSD3
SLED_S ABCLK_DAC0
SLED_S SLED_S ABCLK_DAC0 ABCLK_DAC0
SPINDLE_S ABCLK_DAC3
SPINDLE_S SPINDLE_S ABCLK_DAC3 ABCLK_DAC3
FOCUS_S PCM/DSD0 ALRCLK/DSD0
FOCUS_S FOCUS_S PCM/DSD0 PCM/DSD0 ALRCLK/DSD0 ALRCLK/DSD0
OPEN PCM/DSD1 ALRCLK_DAC3
OPEN OPEN PCM/DSD1 PCM/DSD1 ALRCLK_DAC3 ALRCLK_DAC3
CLOSE PCM/DSD2 MCLK_DAC0
CLOSE CLOSE PCM/DSD2 PCM/DSD2 MCLK_DAC0 MCLK_DAC0
IN_SW PCM/DSD3 MCLK_DAC3
IN_SW IN_SW PCM/DSD3 PCM/DSD3 MCLK_DAC3 MCLK_DAC3
OUT_SW DSD4
OUT_SW OUT_SW DSD4 DSD4 PCM_DAC1/DSD1
HOME_SW DSD5 GAIN_SCALING
HOME_SW HOME_SW DSD5 DSD5 GAIN_SCALING GAIN_SCALING
DRVSB* ABCLK
DRVSB* DRVSB* ABCLK ABCLK
ALRCLK
ALRCLK ALRCLK
CLK27M_VADDIS CLOCKS L165C06 DAC LS RS C SUB
L165C06 DAC LS RS C SUB.Sch
VADDIS 8 CLK27M_VADDIS
MCLK_VADDIS
CLK27M_VADDIS
BUFFERS
MCLK_VADDIS MCLK_VADDIS ML_8740_1
ML_8740_2 DAC
SDA
SDA
SDA SHEET 4 RESET*
RESET*
LS,RS,C,SUB
SHEET 2 SCL
SCL
SCL
MD
MC
MD
SERIAL_RX
SERIAL_RX
SERIAL_TX
SERIAL_RX
PCM_DAC1/DSD1
MC
PCM_DAC3/DSD3 SHEET 6
SERIAL_TX SERIAL_TX PCM_DAC1/DSD1 PCM_DAC1/DSD1
PCM_DAC2
PCM_DAC2 PCM_DAC2
ABCLK_DAC1
ABCLK_DAC1 ABCLK_DAC1
ABCLK_DAC2
ABCLK_DAC2 ABCLK_DAC2
ALRCLK/DSD2
ALRCLK/DSD2 ALRCLK/DSD2
HDMI_INT* ALRCLK/DSD4
HDMI_INT* HDMI_INT* ALRCLK/DSD4 ALRCLK/DSD4
MCLK_DAC1
MCLK_DAC1 MCLK_DAC1
595_DATA MCLK_DAC2
595_DATA 595_DATA MCLK_DAC2 MCLK_DAC2
595_CLK DSD5_DAC3
595_CLK 595_CLK DSD5_DAC3 DSD5_DAC3
595_LATCH
595_LATCH 595_LATCH
ENABLE_AV
ENABLE_AV
16/9
SPDIF_HDMI 16/9
L165C07 HDMI 1 SCART Remote
L165C07 HDMI 1 SCART Remote.Sch
SCART_LEFT REM_BUSP
SCART_RIGHT REM_BUSN
SCART_RED
ENABLE_AV
16/9 HDMI 1 O/P
SCART_RED SCART_RED
SCART_GREEN
SCART_BLUE
SCART_GREEN
SCART_BLUE
SCART_GREEN
SCART_BLUE
SCART
COMPOSITE
COMPOSITE
COMPOSITE_B
COMPOSITE
REMOTE IN
COMPOSITE_B COMPOSITE_B
SHEET 7
TRIGGER_IN*
TRIGGER_IN*
TRIGGER_IN* SNAP-OFF VIDEO SECTION
TMDS_D2+
TMDS_D2+ TMDS_D2+
TMDS_D2- L165C09 Buffer & PLD L165C10 Video Encoder
TMDS_D2- TMDS_D2-
TMDS_D1+ L165C09 Buffer & PLD.Sch L165C10 Video Encoder.Sch
TMDS_D1+ TMDS_D1+
TMDS_D1- COMPOSITE_BA
TMDS_D1- TMDS_D1- COMPOSITE_BA COMPOSITE_BA
TMDS_D0+ SDA_A
TMDS_D0+ TMDS_D0+ SDA_A SDA_A
TMDS_D0-
TMDS_CK+
TMDS_D0-
TMDS_CK+
TMDS_D0-
TMDS_CK+
SCL_A
SCL_A
SCL_A VIDEO ENCODER
TMDS_CK- ENC_RESET*
TMDS_CK-
DDC_SDA
DDC_SDA
DDS_SCL
TMDS_CK-
DDC_SDA
ENC_RESET*
VIDCLK_ENC
VIDCLK_ENC
HSYNC_ENC*
ENC_RESET*
VIDCLK_ENC SHEET 10
DDC_SCL DDC_SCL HSYNC_ENC* HSYNC_ENC*
HDMI_DET
HDMI_DET HDMI_DET VSYNC_861B*
VIDB[0..7]
VIDB[0..7] VIDB[0..7]
DIG VIDEO BUFFER
L165C12 SPDIF & Front panel interface CPLD
REM_BUSP
L165C12 SPDIF & Front panel interface.Sch
REM_BUSP
RS232 Scaler L165C11 HDMI 2
REM_BUSN
REM_BUSN
SPDIF_HDMI
SPDIF_HDMI SHEET 9 VIDB[0..7]
L165C13 Scaler.sch
VIDB[0..7] RED[0..7]
RED[0..7]
L165C11 HDMI 2.Sch
RED[0..7]
SPDIF HSYNC_861B* GREEN[0..7]
SPDIF SPDIF HSYNC_861B* HSYNC_861B* GREEN[0..7] GREEN[0..7]
FPDIN
FPDIN
FPDIN SHEET 12 VSYNC_861B*
VIDCLK_SCALER
VSYNC_861B*
VIDCLK_SCALER
VSYNC_861B*
VIDCLK_SCALER
BLUE[0..7]
HSYNC_HDMI*
BLUE[0..7]
HSYNC_HDMI*
BLUE[0..7]
HSYNC_HDMI*
HDMI O/P 2
FPDOUT SYSCLK VSYNC_HDMI*
FPDOUT
FPCLK
FPCLK
FPSEL_VFD
FPDOUT
FPCLK SPDIF
SYSCLK
SCALER_RESET*
SCALER_RESET*
SYSCLK
SCALER_RESET*
VSYNC_HDMI*
DE_HDMI
DE_HDMI
VSYNC_HDMI*
DE_HDMI SHEET 11
FPSEL_VFD FPSEL_VFD
FPSEL_SW
IRRCV
FPSEL_SW
IRRCV
FPSEL_SW
IRRCV
FRONT PANEL I/F SDA_A
SCL_A
SDA_A
SCL_A
SCALER VIDCLK_HDMI
VIDCLK_HDMI
VIDCLK_HDMI
SHEET 13 SDA_A
SDA_A
SCL_A
SCL_A
HDMI_RESET*
HDMI_RESET* ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo